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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 48057. Отображено 100.
07-06-2012 дата публикации

PREPARATION OF 1-(SUBSTITUTED ARYL)-5-TRIFLUOROMETHYL-2-(1H)PYRIDONE COMPOUNDS AND SALTS THEREOF AND THEIR APPLICATIONS

Номер: US20120142688A1
Автор:
Принадлежит: CENTRAL SOUTH UNIVERSITY

A 1-(substituted aryl)-5-trifluoromethyl-2-(1H)pyridone compounds and pharmaceutical acceptable salts, preparation methods and uses for preparing the drugs for treating fibrosis thereof. 15.-. (canceled)7. The 1-(substituted phenyl)-5-trifluoromethyl-2(1H)pyridone compound according to claim 6 , wherein R12 is NRR.8. The 1-(substituted phenyl)-5-trifluoromethyl-2(1H)pyridone compound according to claim 6 , wherein one of R1-R4 is a halogen atom and others are H if Ris NRR.9. The 1-(substituted phenyl)-5-trifluoromethyl-2(1H)pyridone compound according to claim 6 , selected from the group consisting of:1-(2-chloro-4-((3-(4-methylpiperazin-1-yl)propyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 1);1-(2-chloro-4-((3-morpholinylpropyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 2);1-(2-chloro-4-((3-piperidin-1-yl)propylamino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 3);1-(4-((3-butoxypropyl)amino)-2-chlorophenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 4);1-(2-chloro-4-((2-hydroxyethyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 5);1-(4-(N,N-(2-hydroxyethyl)amino)-2-chlorophenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 6);1-(2-chloro-4-(((3-piperidin-1-yl)propyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one hydrochloride (compound 7);1-(2-chloro-4-((2-(2-hydroxyethoxy)ethyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 8);1-((4-((piperazin-1-yl)ethyl)amino)-2-chlorophenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 9);1-(2-chloro-4-((2-(piperidyl-1-yl)ethyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 10);1-(2-chloro-4-((2-morpholinylethyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 11);1-(2-chloro-4-((2-(4-methylpiperazin-1-yl)ethyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 12); and1-(2-chloro-4-((2-(4-(2-hydroxyethyl)piperazin-1-yl)ethyl)amino)phenyl)-5-(trifluoromethyl)pyridin-2(1H)-one (compound 13).109. An anti- ...

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Номер записи: 1
25-07-2013 дата публикации

METHOD AND DEVICE FOR EXTRACTING AND ENRICHING LITHIUM

Номер: US20130186760A1
Автор: LIU Xuheng, ZHAO Zhongwei
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method for extracting and enriching lithium, including: (a) providing an electrodialysis device including an electrodialysis cell; (b) dividing the electrodialysis cell into a lithium salt chamber and a brine chamber using an anion exchange membrane; (c) filling the brine chamber with salt lake brine; (d) filling the lithium salt chamber with a Mg free supporting electrolyte solution; (e) placing a conductive substrate coated with an ion sieve in the brine chamber to operate as a cathode; (f) placing a conductive substrate coated with a lithium-intercalated ion sieve in the lithium salt chamber to operate as an anode; and (g) carrying out an electrodialysis. 1. A method for extracting and enriching lithium , the method comprising:{'sup': '2+', '1) providing an electrodialysis device comprising an electrodialysis cell, dividing the electrodialysis cell into a lithium salt chamber and a brine chamber using an anion exchange membrane; filling the brine chamber with salt lake brine; and filling the lithium salt chamber with a Mg free supporting electrolyte solution; and'}{'sup': +', '+', '+', '+', '2+, '2) placing a conductive substrate coated with an ion sieve in the brine chamber to operate as a cathode, placing a conductive substrate coated with a lithium-intercalated ion sieve in the lithium salt chamber to operate as an anode; and carrying out electrodialysis, the ion sieve being capable of intercalating Li in the brine chamber to transform into another lithium-intercalated ion sieve under an external electric potential, the lithium-intercalated ion sieve being capable of releasing Li into a conductive solution to transform into another ion sieve under the external electric potential, and after the intercalating and releasing of Li respectively by the ion sieve and the lithium-intercalated ion sieve, Li being separated from Mg and enriched in the lithium salt chamber to yield a lithium-enriched solution.'}2. The method of claim 1 , further comprising: discharging ...

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Номер записи: 2
01-08-2013 дата публикации

METHOD FOR EXTRACTING TUNGSTEN FROM SCHEELITE

Номер: US20130195737A1
Автор: Li Jiangtao, ZHAO Zhongwei
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method for extracting tungsten from scheelite by: 1) adding a mixed acid including HSOand HPOto a decomposition reactor; 2) heating the mixed acid to a temperature of 70-100° C.; adding scheelite while controlling the liquid-solid ratio at about 3:1-8:1 L/kg; allowing the components in the decomposition reactor to react for 1-6 h, and filtering to obtain a filtrate; 3) supplementing the filtrate with sulfuric acid consumed in the reaction; 4) crystallizing the filtrate to obtain phosphotungstic acid crystals and mother liquor; 5) dissolving the phosphotungstic acid crystals in water to obtain phosphotungstic acid solution; 6) transforming the phosphotungstic acid solution into an ammonium tungstate solution for the purpose of preparing ammonium paratungstate; and 7) supplementing the mother liquor with phosphoric acid and water to an initial level and reusing the mother liquor for ore leaching. 1. A method for extracting tungsten from scheelite , the method comprising the steps of:{'sub': 2', '4', '2', '5, '1) adding a mixed acid comprising sulfuric acid and phosphoric acid into a decomposition reactor, the mixed acid comprising 150-500 g/L of HSOand 15-35 wt. % of PO;'}2) heating the mixed acid to a temperature of 70-100° C.; adding scheelite to the decomposition reactor and controlling a liquid-solid ratio at 3:1-8:1 L/kg; allowing components in the decomposition reactor for reaction for 1-6 h, and filtering to obtain a filtrate;3) supplementing the filtrate with sulfuric acid consumed in the reaction;4) crystallizing the filtrate to obtain phosphotungstic acid crystals and mother liquor;5) dissolving the phosphotungstic acid crystals in water to obtain a phosphotungstic acid solution;6) transforming the phosphotungstic acid solution to an ammonium tungstate solution for preparing ammonium paratungstate (APT); and7) supplementing the mother liquor with phosphoric acid and water to an initial level and returning the mother liquor for ore leaching.2. The method of ...

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Номер записи: 3
02-01-2020 дата публикации

Medical Uses Of N-(2-Aminoethyl)-N-(4-Benzyloxy)-3-Methoxybenzyl)Thiophene-2-Formamide Hydrochloride

Номер: US20200000769A1
Автор: Xu Xundi
Принадлежит: The Second Xiangya Hospital, Central South University

The present invention relates to the use of N-(2-aminoethyl)-N-(4-benzyloxy)-3-methoxybenzyl)thiophene-2-formamide hydrochloride for treating liver cancer. The N-(2-aminoethyl)-N-(4-benzyloxy)-3-methoxybenzyl)thiophene-2-formamide hydrochloride of the present invention can effectively inhibit the growth of liver cancer cells and has a therapeutic effect on liver cancer. 1. A method of treating liver cancer , comprising administering an effective amount of a medicament comprising N-(2-aminoethyl)-N-(4-benzyloxy)-3-methoxybenzyl)thiophene-2-formamide hydrochloride to a human with liver cancer.2. The method according to claim 1 , wherein said medicament further comprises one or more pharmaceutically acceptable adjuvant(s).3. The method according to claim 1 , wherein said medicament is used in combination with at least one additional medicament for treating liver cancer.4. The method according to claim 3 , wherein said additional medicament is selected from Sorafenib claim 3 , Sunitinib claim 3 , or a combination thereof.5. The method according to claim 4 , wherein said additional medicament is Sorafenib.6. The method according to claim 1 , wherein said medicament is administered in ways comprising: oral administration claim 1 , injection administration claim 1 , subcutaneous administration claim 1 , inhalation administration claim 1 , rectal administration.7. The method according to claim 6 , wherein said injection administration is selected from intramuscular injection claim 6 , intravenous injection or intraperitoneal injection.8. The method according to claim 1 , wherein said medicament is prepared as a tablet claim 1 , a capsule claim 1 , a suppository claim 1 , a powder for injection claim 1 , an injection or an aerosol.9. The method according to claim 2 , wherein said medicament is used in combination with at least one additional medicament for treating liver cancer.10. The method according to claim 9 , wherein said additional medicament is selected from ...

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Номер записи: 4
07-01-2021 дата публикации

METHOD FOR PREPARING THIONOCARBAMATE AND CO-PRODUCING 2-MERCAPTOETHANOL OR O-ALKYLTHIOETHYL XANTHATE

Номер: US20210002218A1
Автор: CAO Zhanfang, HUANG Xiaoping, WANG Shuai, ZHONG Hong
Принадлежит: CENTRAL SOUTH UNIVERSITY

The invention belongs to the field of mineral flotation collector materials, and particularly discloses a method for preparing thionocarbamate. In the preparation process, xanthate and 2-haloethanol are esterified to obtain O-alkyl-S-hydroxyethyl xanthate, and then O-alkyl-S-hydroxyethyl xanthate and fatty amine are reacted to obtain a mixture of thionocarbamate and 2-mercaptoethanol. The mixture of thionocarbamate and 2-mercaptoethanol is washed with alkali, and the oil phase and water phase are separated. The oil phase and water phase are thionocarbamate and 2-hydroxyethylthiolate, respectively, and 2-mercaptoethanol is obtained by washing with an acid. 2-alkylthioethanol is obtained by reacting 2-hydroxyethanethiolate with alkyl halide, and then with carbon disulfide and alkali to prepare O-alkylthioethyl xanthate. Thionocarbamate, 2-mercaptoethanol and O-alkylthioethyl xanthate prepared by this method possess high yield and high purity. The process is green and environmentally friendly, and is beneficial to the industrialization of co-production. 3. The method according to claim 1 , whereinthe aminolysis reaction in step 2) is conducted at a temperature of 30-100° C. for reaction time of 1-6 h; andthe fatty amine is added at an amount of 0.9-1.2 times a molar weight of the O-alkyl/alkylthioethyl-S-hydroxyethyl xanthate.4. The method according to claim 1 , wherein in step 3) claim 1 , the mixture of the thionocarbamate and the 2-mercaptoethanol is washed 1-5 times with the alkali having a concentration of 0.1-5 mol/L.5. A method for preparing a thionocarbamate and co-producing 2-mercaptoethanol claim 1 , comprising: washing the 2-hydroxyethyl thiolate obtained in step 3) in the method according to claim 1 , with an acid claim 1 , to obtain the 2-mercaptoethanol.7. The method according to claim 6 , wherein the thioalkylation reaction is conducted at a temperature of 5-50° C. for a reaction time of 0.5-3 h claim 6 , andthe alkyl halide is added at an amount of 0.8- ...

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Номер записи: 5
02-01-2020 дата публикации

Degradable sulfur-containing hyperbranched epoxy resin and preparation method thereof

Номер: US20200002463A1
Автор: Aiqing Zhang, Daohong Zhang, Jinlin Li, Juan CHENG, Junheng Zhang, Wenqiang GUO
Принадлежит: South Central University for Nationalities

Degradable sulfur-containing hyperbranched epoxy resin and a preparation method thereof. The preparation method comprises initiating a reaction of a mercaptocyclotriazine compound and a binary olefin by ultraviolet light to prepare a mercapto hyperbranched polymer; then reacting with glycidyl methacrylate to obtain a degradable sulfur-containing hyperbranched epoxy resin of which the molecular weight is about 3,000-35,400 g/mol. After the degradable sulfur-containing hyperbranched epoxy resin is cured, a cyclotriazine structure can be completely degraded within 1.5 h in a phosphoric acid solution at the temperature of 80 DEG C, thus realizing the recycle of the epoxy resin. The invention is simple in process, low in reaction temperature, rapid in reaction and high in yield, the sulfur-containing structure lowers curing temperature and realizes rapid curing, and cyclotriazine structure has a degradation function, and is expected to be used in the fields of strengthening and toughening of the epoxy resins, solvent-free coatings, electronic packaging.

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Номер записи: 6
02-01-2020 дата публикации

Degradable hyperbranched epoxy resin and preparation method thereof

Номер: US20200002481A1
Автор: Aiqing Zhang, Daohong Zhang, Juan CHENG, Junheng Zhang, Yeyun Liang
Принадлежит: South Central University for Nationalities

Degradable hyperbranched epoxy resin and a preparation method thereof, wherein the preparation method comprises carrying out a reaction between a cyclotriazine compound and a carboxyl-sourced compound to prepare a carboxyl-terminated or hydroxy-terminated hyperbranched polymer; then reacting with epoxy chloropropane to obtain a degradable hyperbranched epoxy resin of which the molecular weight is about 1,900-22,000 g/mol. After the degradable hyperbranched epoxy resin is cured, a cyclotriazine structure can be completely degraded within 2 h in a phosphoric acid solution at the temperature of 80 ° C., thus realizing the recycle of the epoxy resin. The invention has simple process, and the product is degradable and has self-strengthening and self-toughening functions, and is expected to be used in the fields of strengthening and toughening of epoxy resins, solvent-free coatings etc.

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Номер записи: 7
13-01-2022 дата публикации

HEALTH EARLY WARNING SYSTEM FOR PASSENGERS ON A TRAIN IN AN OUTDOOR AIR POLLUTED ENVIRONMENT AND METHOD THEREOF

Номер: US20220011284A1
Автор: Chen Chao, Li Yanfei, Liu Hui, Wu Haiping
Принадлежит: CENTRAL SOUTH UNIVERSITY

A health early warning system for passengers on a train in an outdoor air polluted environment and a method thereof are provided. The system comprises an air quality monitoring station data acquisition module, a train data acquisition module, a train air pollution prediction module, and a train air environment early warning module; the air quality monitoring station data acquisition module acquires data of air quality monitoring stations and uploads the data to the train air pollution prediction module; the train data acquisition module acquires data of the train and uploads the data to the train air pollution prediction module; the train air pollution prediction module performs short-term prediction on air pollution of the train and uploads a result of the short-term prediction to the train air environment early warning module; and the train air environment early warning module performs early warning on the health of the passengers on the train. 2. (canceled)3. The method according to claim 1 , wherein the step of acquiring the data information of the each air quality monitoring station and the corresponding air quality monitoring data of the each air quality monitoring station in the step S1 is claim 1 , specifically claim 1 , to acquire code information claim 1 , longitude and latitude information claim 1 , as well as corresponding information of concentrations of PM2.5 claim 1 , PM10 claim 1 , CO claim 1 , NO claim 1 , SOand Oand AQIs of the each air quality monitoring station.4. The method according to claim 3 , wherein the step of acquiring the pollutant data information of the position where the train is located and the position information of the train in the step S2 is claim 3 , specifically claim 3 , to acquire longitude and latitude information claim 3 , information of concentrations of PM2.5 claim 3 , PM10 claim 3 , CO claim 3 , NO claim 3 , SOand Oof the position where the train is located claim 3 , and information of average speed per minute of the ...

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Номер записи: 8
14-01-2021 дата публикации

TRUE-SEEING INFRARED INDUSTRIAL ENDOSCOPE AND IMAGE CAPTURING METHOD FOR SAME

Номер: US20210011275A1
Автор: CHEN Zhipeng, GUI Weihua, Jiang Zhaohui, XIE Yongfang, Yang ChunHua, Zhang Haifeng, ZHU Jilin
Принадлежит: CENTRAL SOUTH UNIVERSITY

A true-seeing infrared industrial endoscope endoscope includes an external shell protective unit including a housing and an electrical appliance component box connected to a rear end of the housing. A cavity of the housing is provided with a dual capturing-imaging unit including at least two capturing-imaging subunits. Each of the capturing-imaging subunits includes a light splitter, an image capturing lens, an infrared imaging tube, and a visible light imaging tube. The electrical appliance component box is provided with a communication module and a power supply electrically connected to the dual capturing-imaging unit and the communication module. The communication module is communicatively connected to the dual capturing-imaging unit and an upper computer via a communication bus, and the power supply is electrically connected to the dual capturing-imaging unit via a power bus. 1. A true-seeing infrared industrial endoscope , comprising an external shell protective unit , wherein the external shell protective unit comprises a housing and an electrical appliance component box connected to a rear end of the housing;wherein a cavity of the housing is provided with a dual capturing-imaging unit comprising at least two capturing-imaging subunits, and each of the capturing-imaging subunits comprises a light splitter disposed at a central portion of the cavity of the housing, an image capturing lens disposed at a front portion of the cavity of the housing and connected to a front end of the light splitter via an image guide fiber, an infrared imaging tube disposed at a rear portion of the cavity of the housing and communicating with a light outlet I at a rear end of the light splitter, and a visible light imaging tube disposed at the rear portion of the cavity of the housing and communicating with a light outlet II at the rear end of the light splitter; andthe electrical appliance component box is provided with a communication module and a power supply electrically ...

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Номер записи: 9
17-01-2019 дата публикации

METHOD FOR CATALYTICALLY REDUCING SELENIUM

Номер: US20190016599A1
Автор: GUO Xueyi, Li Dong, TIAN QINGHUA, XU Runze
Принадлежит: CENTRAL SOUTH UNIVERSITY

Provided is a method for catalytically reducing selenium. Hydrogen peroxide is used as a catalyst, and a reducer is added to a hexavalent-selenium-containing solution for reaction so as to reduce the selenium to elemental selenium, wherein the standard oxidation-reduction potential of the reducer is lower than the standard oxidation-reduction potential of the conversion of the hexavalent selenium to elemental selenium. The present method can further reduce a hexavalent-selenium element-containing selenic acid or selenate solution to an elemental selenium product in one step. In the present method, the hydrogen peroxide effectively lowers the descending speed of the reduction potential of the solution while having a catalytic effect, so that the reduction reaction process is carried out gently, thereby effectively preventing the selenium in the solution from overreducing to generate negatively bivalent selenium ions or compounds thereof, and solving problems such as a low recovery rate caused by selenium overreduction. 1. A method for catalytically reducing selenium , wherein hydrogen peroxide is used as a catalyst , and a reducer is added into a hexavalent-selenium-containing solution for reaction so as to reduce the selenium to elemental selenium , in which the solution is a hexavalent-selenium-containing selenic acid or selenate solution , including a hexavalent-selenium-containing solution generated in chemical or metallurgical scientific research or industrial production , and a ratio of a volume of the hydrogen peroxide to a concentration of selenium in the solution is not lower than 10 mL:1 g/L.2. The method according to claim 1 , wherein a standard oxidation-reduction potential of the reducer is lower than a standard oxidation-reduction potential of a conversion of hexavalent selenium to elemental selenium.3. The method according to claim 2 , wherein the reducer is one or more of hydrazine hydrate claim 2 , sulfur dioxide claim 2 , sulfite and sodium ...

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Номер записи: 10
10-02-2022 дата публикации

FAT CUTTER AND INTEGRATED MACHINE FOR PREPARATION OF IN VITRO FINE-PARTICLE FAT

Номер: US20220040399A1
Автор: FAN Pengju, FANG Man, Li Jingjing, Li Zhen
Принадлежит: XIANGYA HOSPITAL CENTRAL SOUTH UNIVERSITY

A fat cutter and an integrated machine for preparation of in vitro fine-particle fat are provided. The fat cutter includes a fat inlet channel, a fat outlet channel, at least one set of blades disposed between an outlet of the fat inlet channel and an inlet of the fat outlet channel, and a housing that seals a space in which the outlet of the fat inlet channel, the inlet of the fat outlet channel, and the blades are located. A fat inlet of the fat inlet channel is connected to a large-diameter liposuction tube by a liposuction channel, and a fat outlet of the fat outlet channel is connected to a high-negative pressure device. The outlet of the fat inlet channel and the inlet of the fat outlet channel are oppositely provided, and a gap therebetween matches the thickness of the blades. 1. A fat cutter , comprising a fat inlet channel , a fat outlet channel , at least one set of blades disposed between an outlet of the fat inlet channel and an inlet of the fat outlet channel , and a housing that seals a space , wherein the outlet of the fat inlet channel , the inlet of the fat outlet channel , and the at least one set of blades are located in the space , wherein a fat inlet of the fat inlet channel is connected to a large-diameter liposuction tube , and a fat outlet of the fat outlet channel is connected to a high-negative pressure device; andthe outlet of the fat inlet channel and the inlet of the fat outlet channel are oppositely provided, and a first gap is provided between the outlet of the fat inlet channel and the inlet of the fat outlet channel to form an annular cutting slot matching a thickness of the at least one set of blades, the outlet of the fat inlet channel is provided above the inlet of the fat outlet channel, and in a working state, cutting edges of the at least one set of blades pass through a line connecting the outlet of the fat inlet channel and the inlet of the fat outlet channel to cut fat particles.2. The fat cutter according to claim 1 , ...

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Номер записи: 11
24-01-2019 дата публикации

METHOD AND APPARATUS FOR THE RECOVERY AND DEEP TREATMENT OF POLLUTED ACID

Номер: US20190023585A1
Автор: CHAI Liyuan, GAO Weirong, JIANG Guomin, LI Qingzhu, WANG Qingwei, Yang Zhihui, ZHOU Chengyun
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method and an apparatus for recovery and deep treatment of a polluted acid. The method comprises the following main steps: (1) selectively adsorbing rare and noble metals, such as rhenium, selenium and the like; (2) separating copper from arsenic to recover the copper; (3) carrying out efficient vulcanization to perform deep arsenic removal; (4) carrying out electrodialysis to pre-concentrate acid; (5) evaporating and concentrating the acid; (6) carrying out an air-stripping method to remove fluorine and chlorine. The polluted acid treatment apparatus mainly comprises a precision filtering tank, a special adsorbing tank, a copper-arsenic separation device, a vulcanization device, an electrodialysis device, an evaporative concentration device, and an air-stripping device. The method and the apparatus can implement efficient recovery of valuable elements in polluted acid wastewater and separate treatment harmful elements, has obvious economical, social and environmental benefits, and has wide application prospects. 1. A method for the recovery and deep treatment of polluted acid , characterized in that , comprising the steps of:(1) pretreatment and selective adsorption: polluted acid wastewater is first filtered through a precision filter to remove suspended matters, and then enters a special adsorbing tank to selectively adsorb rare and noble metals, such as rhenium and selenium;(2) copper is separated from arsenic by using arsenic sulfide or arsenic sulfide residue;(3) after the separation of copper and arsenic, the filtrate is subjected to deep arsenic removal by using a vulcanizing agent, and the obtained arsenic sulfide residue is reused in step (2);(4) after the separation of arsenic residue, the filtrate enters the electrodialysis device for the pre-concentration of the acid and the separation and enrichment of the fluorine and chlorine;(5) the concentrate from the electrodialysis device enters the evaporative concentration device to concentrate acid and the ...

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Номер записи: 12
28-01-2021 дата публикации

METHOD FOR PROMOTING DENSIFICATION OF METAL BODY BY UTILIZING METAL EXPANSION INDUCED BY HYDROGEN ABSORPTION

Номер: US20210023625A1
Автор: LIU BIN, Liu Yong, Sun Pei, ZHOU ChengShang
Принадлежит: CENTRAL SOUTH UNIVERSITY

Provided is a method for promoting densification of a metal body by utilizing metal expansion induced by hydrogen absorption. The hydrogen absorption expansion refers to a volume expansion effect produced by absorbing hydrogen on some metal blocks or metal powder in a hydrogen atmosphere under certain temperature conditions. Hydrogen is introduced into a rigid closed mold filled with a hydrogen absorption expansion material or filled with the hydrogen absorption expansion material and a material to be densified, and the mold and/or the material to be densified are/is densified by using the volume expansion effect of the hydrogen absorption expansion material. The present method may be used for eliminating residual pores from a metal material so as to improve the properties of the material. 1. A method for promoting densification of a metal body by utilizing metal expansion induced by hydrogen absorption , wherein hydrogen is introduced into a rigid closed mold filled with a hydrogen absorption expansion material or filled with the hydrogen absorption expansion material and a metal material to be densified , and a volume expansion effect of the hydrogen absorption expansion material is used to densify the hydrogen absorption expansion material and/or the material to be densified.2. The method for promoting densification of the metal body according to claim 1 , wherein the hydrogen absorption expansion material comprises a metal with hydrogen absorption capability.3. The method for promoting densification of the metal body according to claim 1 , comprising the following steps:step 1:putting a first pre-densified metal body into a mold, performing encapsulation and fastening, and reserving a gas opening to obtain a pretreatment assembly, wherein the first pre-densified metal body comprises a metal material with hydrogen absorption capability; in the pretreatment assembly, an outer wall of the first pre-densified metal body is in contact with an inner wall of the mold, ...

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Номер записи: 13
04-02-2021 дата публикации

UNISOURCE HIGH-STRENGTH ULTRASOUND-ASSISTED METHOD FOR CASTING LARGE-SPECIFICATION 2XXX SERIES ALUMINIUM ALLOY ROUND INGOT

Номер: US20210032728A1
Автор: JIANG Ripeng, LI Ruiqing, LI Xiaoqian, Liu Zhilin, Peng Hao, ZHANG Lihua, ZHAO Xiaolin
Принадлежит: CENTRAL SOUTH UNIVERSITY

In the technical field of metal melting, a unisource high-strength ultrasound-assisted method for casting large-specification 2XXX series aluminum alloy round ingots applies in an ingot guiding process, a unisource high-strength ultrasonic vibration system to the center of a hot-top crystallizer, ultrasound directly acts on the center position of a crystallizer, and enough ultrasonic field energy is provided for a melt by controlling the power of the ultrasonic vibration system, so that an aluminum alloy solidification process is implemented under the effect of ultrasound, homogenization of microstructures and components of ingots is promoted, and the existing problems that microstructures are thick and crystal phases are enriched due to slow cooling of centers of large-specification round ingots are effectively solved, meanwhile, the problems of great operation difficulty and heavy workload during multisource ultrasonic coupling are avoided. 1. A unisource high-strength ultrasound-assisted method for casting large-specification 2XXX series aluminum alloy round ingots , comprising the following steps: enabling melt of 2XXX series aluminum alloy to flow into a hot-top crystallizer,', 'after ingot guiding is started, applying a set of ultrasonic vibration system to the center of a crystallizer of the hot-top crystallizer, and, 'performing solidification and ingot guiding by'}when casting is about to end, removing the ultrasonic vibration system, to obtain a large-specification 2XXX series aluminum alloy round ingot;wherein power of the ultrasonic vibration system being is 2˜4 kw; andwherein diameter of the large-specification 2XXX series aluminum alloy round ingot is ≥500 mm.2. The method according to claim 1 , wherein the diameter of the large-specification 2XXX series aluminum alloy round ingot is 500-1380 mm.3. The method according to claim 1 , wherein the ultrasonic vibration system comprises an ultrasonic transducer claim 1 , an amplitude transformer and a ...

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Номер записи: 14
18-02-2021 дата публикации

Internal fixation system of spine posterior screw-plate

Номер: US20210045781A1
Автор: Dingchao Rong, Hongru Ye, Weiwei Li, Xiao Xiao, Xiyang Wang, Yilin Wang, Yilu Zhang, Yunqi Wu, Zhen Zhang, Zhenchao Xu, Zheng Liu, Zhicheng SUN
Принадлежит: Xiangya Hospital of Central South University

The invention provides the internal fixation system of spine posterior screw-plate, including the vertebral plate. The vertebral plate is curved, its internal cambered surface directly faces the spine, and external cambered surface of vertebral plate is equipped with a reinforcing rib. The vertebral plate is set with the perforative injecting hole. One side of vertebral plate is fixed with a fixed connecting plate, and the end of the fixed connecting plate away from the vertebral plate is set with the first regulating hole. The bottom of the fixed connecting plate on two sides of the first regulating hole is set with n-shaped caulking groove.

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Номер записи: 15
18-02-2021 дата публикации

System And Method For Mixing Stone-Plastic Floor Base Material

Номер: US20210046436A1
Автор: Li Xingong, Liu Ming, QING YAN, WU YIQIANG, YANG Yixu, ZHENG Xia, ZUO Yingfeng
Принадлежит: Central South University of Forestry and Technology

A solenoid valve includes a main valve, a first auxiliary valve, a second auxiliary valve, a main valve body, and an auxiliary valve body. The main and auxiliary valve bodies are axially parallel and detachably connected. The main valve is mounted on the main valve body, the first and second auxiliary valves are mounted on the auxiliary valve body, which is provided with an air inlet, a cylinder port and an air discharging port. The air inlet communicates with the main valve through a first air passage. The cylinder port is sequentially in communication with the first and second auxiliary valves and the main valve through a second air passage. The air discharging port sequentially communicates with the first and second auxiliary valves and the main valve through a third air passage. The main and second auxiliary valves are solenoid valves. The first auxiliary valve is a hand-operated valve. 1. A system for mixing stone-plastic floor base materials , comprising:{'b': '1', 'a hot air pipe ();'}{'b': '4', 'a transition pipe ();'}{'b': '5', 'a mixing pipe (); and'}{'b': '9', 'a cyclone separator (), which are sequentially connected, wherein'}{'b': 1', '2', '3', '2', '3', '3', '4, 'the hot air pipe () is provided with a calcium carbonate feed port () and a polyvinyl chloride (PVC) feed port (); a distance between the calcium carbonate feed port () and the PVC feed port () is 1,000-2,000 mm; the PVC feed port () is adjacent to the transition pipe ();'}{'b': 5', '6', '5', '5', '1', '5', '2, 'the mixing pipe () is provided with a cold air pipe (); the mixing pipe () is a double-layered sleeve structure, and an outer layer of the double-layered sleeve structure is provided with a water inlet (-) and a water outlet (-);'}{'b': 9', '10', '7', '8, 'a bottom end of the cyclone separator () is provided with a locking device (), and a top end is sequentially connected to an induced air pipe () and an induced draft fan ().'}214551. The system for mixing stone-plastic floor base ...

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Номер записи: 16
07-02-2019 дата публикации

Rapid screening method of processing raw rice for rice products

Номер: US20190041374A1
Автор: Huaxi XIAO, Lizhong LIN, Qinlu LIN, Simin ZHAO, Tao Yang, Wei Wu, Yue Wu, Yunhui Cheng, Yuqin DING
Принадлежит: Central South University of Forestry and Technology

A rapid screening method of processing raw materials for rice products is disclosed. The invention establishes a membership function between the raw materials and the processing suitability of raw materials by adopting theories in fuzzy mathematics. In combination with the analytic hierarchy process to obtain the weight of each evaluation index, the invention then establishes a two-level evaluation model for evaluating the quality of the rice products to improve the scientificity and accuracy of rice products' quality evaluation. On the basis of the above, a mathematical model between the characteristics of raw materials and the comprehensive evaluation values of the quality of rice products is constructed through regression analyses, which can quantitatively calculate the suitability of different varieties of raw materials in the processing of rice products and can provide support for reasonable use of the raw materials.

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Номер записи: 17
03-03-2022 дата публикации

NICKEL-BASED SUPERALLOY FOR 3D PRINTING AND POWDER PREPARATION METHOD THEREOF

Номер: US20220062992A1
Автор: AI Yongkang, Cao Bin, LIU Zuming, LV Xueqian, NONG Bizhong, REN Yake, WEI Bing
Принадлежит: CENTRAL SOUTH UNIVERSITY

A nickel-based superalloy for three-dimension (3D) printing and a powder preparation method thereof are provided. The method of preparing the nickel-based superalloy and its powder includes: RE microalloying combined with vacuum melting, degassing, refining, atomization with reasonable parameters, and a sieving process. The new method significantly reduces the cracking sensitivity of the “non-weldable” PM nickel-based superalloys, and broadens the 3D printing process window. The as-printed part has no cracks, and good mechanical properties. In addition, the powder prepared by the new method has higher sphericity and better flowability, and less irregular powders. The yield of fine powders with a particle size of 15-53 μm and medium-sized powders with a particle size of 53-106 μm that are required for 3D printing is greatly improved, which meet the requirements for 3D printing of high-quality, low-cost nickel-based superalloy powder. 1. A nickel-based superalloy for three-dimension (3D) printing , comprising the following components in percentage by mass:Co: 14-23 wt %;Cr: 11-15 wt %;Al: 2-5 wt %;Ti: 3-6 wt %;Mo: 2.7-5 wt %;W: 0.5-3 wt %;Ta: 0.5-4 wt %;Nb: 0.25-3 wt %;Zr: 0.02-0.06 wt %;B: 0.01-0.05 wt %;C: 0.0015-0.1 wt %;RE: 0.05-0.18 wt %; andNi: the balance;or another non-weldable nickel-based superalloy is used as a matrix, and 0.05-0.18 wt % of RE is added to the matrix, whereinthe another non-weldable nickel-based superalloy is one selected from the group consisting of IN738LC, CM247LC, CMSX-4, René 142, and Hastelloy X; or one selected from the group consisting of nickel-based superalloys IN718 and IN625 is used as the matrix, and 0.05-0.18 wt % of RE is added to the matrix.2. The nickel-based superalloy according to claim 1 , comprising the following components in percentage by mass:Co: 20.6 wt %;Cr: 13 wt %;Al: 3.4 wt %;Ti: 3.9 wt %;Mo: 3.8 wt %;W: 2.1 wt %;Ta: 2.4 wt %;Nb: 0.9 wt %;Zr: 0.05 wt %;B: 0.03 wt %;C: 0.04 wt %;RE: 0.06-0.18 wt %; andNi: the ...

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Номер записи: 18
03-03-2022 дата публикации

METHOD FOR PREVENTING CRACKING OF NICKEL-BASED SUPERALLOY FABRICATED BY SELECTIVE LASER MELTING

Номер: US20220062995A1
Автор: AI Yongkang, Cao Bin, LIU Zuming, LU Sizhe, NONG Bizhong, REN Yake, WEI Bing, Zhou Xu
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method for preventing cracking of nickel-based superalloy fabricated by selective laser melting (SLM) belongs to the field of additive manufacturing (AM). The method of preparing an as-built part with a high density, no crack defects, and good mechanical properties includes: reducing the content of elements Zr and B forming low melting point phase in a nickel-based superalloy, adjusting the total content of Al and Ti in the alloy to 4.5 wt % or below, and combining with the control of special SLM process parameters. The new method has the advantages of a reasonable component design, a simple preparation process, and good performance of the as-built part, and therefore is suitable for large-scale application.

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Номер записи: 19
13-02-2020 дата публикации

BORON DOPED DIAMOND ELECTRODE AND PREPARATION METHOD AND APPLICATIONS THEREOF

Номер: US20200048776A1
Автор: Ma Li, WEI Qiuping, YU Zhiming, Zhang Long, ZHOU Kezhao
Принадлежит: CENTRAL SOUTH UNIVERSITY

A boron doped diamond electrode and its preparation method and application, the electrode is deposited with a boron or nitrogen doped diamond layer or a boron or nitrogen doped diamond layer composite layer on the surface of the electrode substrate, or after a transition layer is disposed on the surface of the substrate, a boron or nitrogen doped diamond layer or a composite layer of boron or nitrogen doped diamond layer is disposed on the surface of transition layer. The preparation method is depositing or plating a boron or nitrogen doped diamond layer on the surface of the electrode substrate, or providing a transition layer on the surface of the electrode substrate, and then depositing or plating a boron or nitrogen doped diamond layer or a composite layer of boron or nitrogen doped diamond layer on the surface of the transition layer. 1. A boron doped diamond electrode , wherein the electrode is composed by disposing a modified layer on a surface of a foam metal skeleton and then arranging a boron or nitrogen doped diamond layer or a boron or nitrogen doped diamond layer composite layer on the surface of the modified layer; or ,the electrode is composed by disposing a layer of metal niobium on a surface of a foam metal skeleton, or after disposing a modified layer on a surface of a foamed skeleton, disposing an electrode matrix composed of a layer of metal niobium on the surface of the modified layer, and arranging a boron or nitrogen doped diamond layer or a boron or nitrogen doped diamond layer composite layer on the surface of the electrode matrix.2. The boron doped diamond electrode according to claim 1 , wherein the foamed skeleton is selected from one of sponge claim 1 , foamed metal or alloy claim 1 , foamed organic matter and foamed non-metallic inorganic substance; a foamed skeleton substrate pore size is 0.01-10 mm claim 1 , opening ratio is 20%˜99% claim 1 , the pores are evenly distributed or randomly distributed; a foam substrate is a two- ...

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Номер записи: 20
01-03-2018 дата публикации

Method for eliminating hollow defect in atomized alloy powder

Номер: US20180056398A1
Автор: Boyun HUANG, Mengmei MA, Pengfei Su, Qinglong DUAN, Shiqi Chen, Yang Guo, Zuming Liu
Принадлежит: CENTRAL SOUTH UNIVERSITY

The invention relates to a method for eliminating hollow defects in atomized superalloy powder, and pertains to the field of powder metallurgy materials. A ball-milling processing is conducted on the atomized alloy powder to eliminate the hollow defect, obtain solid powder and increase powder utilization efficiency. By controlling mill ball diameters, mass ratio of mill balls with different diameters, mass ratio of ball to powder and ball milling time, a multi-directional impact on the powder is achieved, thereby control powder shape and obtain solid spherical powder. The invention eliminates powder hollow defect by using ball milling process and equipment. This invention with high powder utilization efficiency, short ball milling time and simple operating process, can be used for large-scale preparation and application.

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Номер записи: 21
24-03-2022 дата публикации

HIGH-PRECISION RESISTANCE MEASUREMENT SYSTEM AND METHOD COMBINING MICRO-DIFFERENTIAL METHOD AND RATIOMETRIC METHOD

Номер: US20220091169A1
Автор: CHEN Zeyu, FAN Xiaoping, LI Dulin, LIU Shaoqiang, ZHANG Yiming
Принадлежит: CENTRAL SOUTH UNIVERSITY

Disclosed are a high-precision resistance measurement system and method combining a micro-differential method and a ratiometric method. The system includes a constant-current source, a reference resistor, a first differential amplifier, a programmable gain amplifier (PGA), an ADC, a microprocessor, a DAC and a to-be-measured resistor interface. The reference resistor and a to-be-measured resistor are connected in series between the constant-current source and ground. The voltage across the reference resistor is inputted to the first differential amplifier, and the output of the first differential amplifier is used as the reference voltage for the ADC and the DAC. The single-ended voltage to ground of the to-be-measured resistor and the output voltage of the DAC are inputted to the PGA in differential manner, and the PGA outputs the amplified difference voltage to the ADC. The output terminal of the ADC and the input terminal of the DAC are both connected to the microprocessor. 1. A high-precision resistance measurement system combining a micro-differential method and a ratiometric method , comprising: a constant-current source , a reference resistor , a first differential amplifier , a programmable gain amplifier (PGA) , an analog-to-digital converter (ADC) , a microprocessor , a digital-to-analog converter (DAC) , and a to-be-measured resistor interface , whereinthe to-be-measured resistor interface is configured to connect to a to-be-measured resistor;the reference resistor and the to-be-measured resistor are connected in series to form a series branch, wherein one terminal of the series branch is connected to the constant-current source, and an other terminal of the series branch is grounded;two input terminals of the first differential amplifier are respectively connected to two terminals of the reference resistor, and an output terminal of the first differential amplifier is connected to a voltage reference terminal of the ADC; a voltage reference terminal of ...

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Номер записи: 22
31-03-2022 дата публикации

Mesoscopic simulation method for liquid-vapor phase transition

Номер: US20220100933A1
Автор: Lijuan LAN, Rongzong HUANG
Принадлежит: CENTRAL SOUTH UNIVERSITY

A mesoscopic simulation method for liquid-vapor phase transition: Short-range repulsive intermolecular interaction is incorporated by equation of state for dense gas, long-range attractive intermolecular interaction is mimicked by pairwise interaction force, density distribution function is used to handle mass-momentum conservation laws, and total kinetic energy distribution function is used to handle energy conservation law. Lattice Boltzmann equation for density distribution function recovers the equation of state for dense gas and pairwise interaction force. Lattice Boltzmann equation for total kinetic energy distribution function recovers viscous dissipation, compression work, and works done by the pairwise interaction force and surface tension. The method has microscopic particle picture, mesoscopic kinetic background, conceptual and computational simplicity, wide applicability, and high reliability. The method is kinetically and thermodynamically consistent and allows direct numerical simulations of liquid-vapor phase transition processes.

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Номер записи: 23
25-03-2021 дата публикации

Method and system for detecting flow velocity of high-temperature molten fluid

Номер: US20210090270A1
Автор: Chunhua Yang, Dong Pan, Haifeng Zhang, Lei He, Weihua GUI, Yongfang XIE, Zhaohui Jiang, Zhipeng Chen
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method for detecting a flow velocity of a high-temperature molten fluid can include: collecting a video stream of a high-temperature high-velocity molten fluid, decomposing the video stream into a frame image sequence sorted by time, and extracting a molten fluid Region Of Interest (ROI) from the frame image sequence, extracting a molten fluid outline of the molten fluid ROI, and extracting a characteristic block of the molten fluid outline, and obtaining the flow velocity of the molten fluid based on the characteristic block. A flow velocity detection accuracy can be improved for a molten fluid with a high temperature, a high velocity and a high glossiness.

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Номер записи: 24
01-04-2021 дата публикации

REUSABLE COLLISION ENERGY ABSORPTION DEVICE FOR RAIL VEHICLE

Номер: US20210094592A1
Автор: GAO Guangjun, GUAN Weiyuan, WANG Shuai
Принадлежит: CENTRAL SOUTH UNIVERSITY

A reusable collision energy absorption device for a rail vehicle includes an impacted rod, a damping structure including a damping plug, a guide tube and a damping elastic element, a return structure including a return piston and an elastic return element, an outer tube having a tubular structure, and an interior partitioned into a front cavity and a rear cavity through a partition plate provided with a damping hole in the form of a through hole. A portion of the damping plug is in the damping hole when the damping plug is in an initial position, and the damping plug can move in a front-rear direction when the device is impacted. A gap between a radial thickest portion of the damping plug and the damping hole allows the fluid to circulate between the front cavity and the rear cavity. 1. A reusable collision energy absorption device for a rail vehicle , comprising an impacted rod , an outer tube , a damping structure , a return structure and an end base ,wherein the damping structure comprises a damping plug, a guide tube and a damping elastic element, and the return structure comprises a return piston and an elastic return element;the outer tube is in the form of a tubular structure, and an interior of the outer tube is partitioned into a front cavity and a rear cavity through a partition plate, the partition plate being provided with a damping hole in the form of a through hole, so that a damping fluid is able to circulate between the front cavity and the rear cavity;the impacted rod comprises an impacted end at a front end of the impacted rod and a piston end at a rear end of the impacted rod, the piston end of the impacted rod being arranged inside the outer tube, and the impacted end of the impacted rod being arranged outside the outer tube;at least a portion of a length of the damping plug is arranged in the damping hole when the damping plug is in an initial position; the damping plug is movable in a front-rear direction of the device when the device is ...

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Номер записи: 25
01-04-2021 дата публикации

STARTUP STAGE PROTECTION DEVICE FOR EXPERIMENT OF EMU TRAIN COUPLER

Номер: US20210094593A1
Автор: HUANG Qi, LU Zhaijun, Peng Yong, SUN Chengming, Tan Bowen, Xu Kai, Xu Ping, YAO Shuguang
Принадлежит: CENTRAL SOUTH UNIVERSITY

A startup stage protection device used in Electric Multiple Unit (EMU) train coupler experiment is provided between two test cars. The startup stage protection device is arranged between and tightly abuts two test cars at the starting stage of the experiment to receive a compressing force in place of the coupler. The startup stage protection device separates from the two test cars after the end of the starting stage. 1. A startup stage protection device for an experiment of a coupler of Electric Multiple Unit (EMU) train , wherein the startup stage protection device is provided between two test cars used in the experiment , and the startup stage protection device is pressed between the two test cars during a startup stage of an experimental device to undergo a pressing force in place of the coupler , and in that the startup stage protection device is detached from the two test cars after the startup stage is completed.2. The startup stage protection device according to claim 1 , wherein the startup stage protection device comprises a support member claim 1 , a first mounting base installed on one car and a second mounting base installed on another car claim 1 , the first end of the support member is hinged to the second mounting base claim 1 , and the second end of the support member is pressed against the car or the first mounting base during the startup stage of the experimental device and detached from the first mounting base after the startup stage is completed.3. The startup stage protection device according to claim 2 , wherein the first mounting base comprises a detachment driving member claim 2 , and a drive end of the detachment driving member is configured to push the support member to leave a pressed state.4. The startup stage protection device according to claim 3 , wherein the support member comprises a strut and a stopper connected to the strut and arranged below the strut claim 3 , an end of the strut rest on an upper surface of the car claim 3 , and ...

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Номер записи: 26
28-03-2019 дата публикации

METHOD FOR TESTING PHASE TRANSFORMATION POINT OF ALUMINUM ALLOY

Номер: US20190094162A1
Автор: Li Hongying, Liu Jiaojiao
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method for testing a phase transformation point of aluminium alloy, comprising cutting an aluminium alloy material to obtain at least three samples to be tested; performing heat treatment on a first sample to be tested to obtain a first resistivity-temperature curve; respectively performing quenching treatment and annealing treatment on a second sample to be tested and a third sample to be tested to obtain the second sample to be tested at a quenched state and the third sample to be tested at a fully annealed state, and respectively heating the second sample to be tested at a quenched state and the third sample to be tested at a fully annealed state to obtain a second resistivity-temperature curve and a third resistivity-temperature curve; obtaining a relative resistivity-temperature curve; and determining a phase transformation starting temperature and a phase transformation termination temperature of the sample to be tested according to the relative resistivity-temperature curve. By means of this method, a phase transformation behavior and a phase transformation temperature under a non-linear cooling condition can be tested. The range of a cooling rate which can be tested in the method is wide, and a phase transformation behavior of a small volume fraction and precipitated phase information about a small size can be captured. 2. The method according to claim 1 , wherein the step of determining the phase transformation starting temperature and the phase transformation termination temperature of the sample to be tested according to the relative resistivity-temperature curve comprises:determining the extrapolated starting baseline and the extrapolated termination baseline on the relative resistivity-temperature curve;defining the temperature corresponding to the intersection point of the straight line where the extrapolated starting baseline is located with the relative resistivity-temperature curve as the phase transformation starting temperature;and defining the ...

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Номер записи: 27
28-03-2019 дата публикации

LIGHTWEIGHT, HIGH-CONDUCTIVITY, HEAT-RESISTANT, AND IRON-CONTAINING ALUMINUM WIRE, AND PREPARATION PROCESS THEREOF

Номер: US20190096538A1
Автор: BIN Jie, GAO Zhaohe, Li Hongying
Принадлежит: CENTRAL SOUTH UNIVERSITY

A lightweight, high-conductivity, heat-resistant, and iron-containing aluminum wire, and a preparation process thereof. The aluminum wire is mainly composed of aluminum, boron, zirconium, iron, lanthanum, and inevitable impurity elements, and the preparation process for the wire is as follows: melting industrial pure aluminum; then adding intermediate alloys of boron, zirconium, iron, and lanthanum to the melt; performing stirring, refining, furnace front component rapid analysis, component adjustment, standing, deslagging, and rapid cooling casting to obtain an aluminum alloy blank; and performing annealing, extrusion, and drawing on the cast blank to obtain an aluminum alloy monofilament. The wire obtained has density less than or equal to 2.714 g/cm3, electrical conductivity greater than or equal to 62% IACS, a short-term heat-resistance temperature as high as 230° C., a long-term heat-resistance temperature as high as 210° C., and tensile strength greater than or equal to 170 MPa. 1. A lightweight , high-conductivity , heat-resistant , and iron-containing aluminum wire comprising the following components in percentage by weight:B 0.04-0.10 wt. %;Zr 0.10-0.15 wt. %;Fe 0.10-0.20 wt. %;La 0.05-0.30 wt. %; andinevitable titanium, vanadium, chromium, and manganese with a total content less than 0.01 wt. %, and aluminum as the remaining.2. The lightweight claim 1 , high-conductivity claim 1 , heat-resistant claim 1 , and iron-containing aluminum wire according to claim 1 , comprising the following components in percentage by weight:B 0.045-0.095 wt. %;Zr 0.10-0.15 wt. %;Fe 0.10-0.20 wt. %;La 0.05-0.30 wt. %; andinevitable titanium, vanadium, chromium, and manganese with a total content less than 0.01 wt. %, and aluminum as the remaining.3. The lightweight claim 1 , high-conductivity claim 1 , heat-resistant claim 1 , and iron-containing aluminum wire according to claim 1 , wherein during casting claim 1 , cooling is performed to a room temperature at a rate of 20-300° ...

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Номер записи: 28
18-04-2019 дата публикации

FOAM SKELETON REINFORCED COMPOSITE, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Номер: US20190112445A1
Автор: Ma Li, WEI Qiuping, YU Zhiming, Zhang Long, ZHOU Kezhao
Принадлежит: CENTRAL SOUTH UNIVERSITY

A foamed skeleton reinforced composite, comprising a foamed skeleton and a matrix material. The foamed skeleton is selected from at least one of a metal foamed skeleton, an inorganic non-metal foamed skeleton, and an organic foamed skeleton. The matrix material is selected from a metal or a polymer. 115-. (canceled)16. A composite material reinforced by a foamed skeleton , comprising:a foamed skeleton having pores, wherein a material of the foamed skeleton is a metal material, an inorganic non-metallic material comprising a ceramic material and carbon, or an organic non-metallic material; anda matrix, wherein a material of the matrix is a metal material or a polymer material.17. The composite material of claim 16 ,wherein the metal material of the matrix is selected from a group consisting of Al, Cu, Mg, Ag, Ti, Co, Ni, W, Mo, Ta, Nb, and any alloys thereof; andwherein the polymer material of the matrix is a paraffin, a thermoplastic polymer or a thermosetting polymer; the thermoplastic polymer is polyethylene, polypropylene, polystyrene, polyvinyl chloride, polytetrafluoroethylene, nylon, polycarbonate, polymethyl methacrylate, ethylene glycol, polyterephthalic acid, polyformaldehyde, polyamide, or polysulfone; the thermosetting polymer is an epoxy resin, a phenolic resin, a urea-formaldehyde resin, an amino resin, a melamine resin, an unsaturated polyester resin, a silicone rubber, a foamed polystyrene, or a polyurethane.18. The composite material of claim 16 ,wherein the metal material of the foamed skeleton is Ni, Cu, Ti, Co, W, Mo, Cr, Fe Ni or Al;{'sub': 2', '3', '2', '3', '4', '4', '7', '3, 'wherein the inorganic non-metallic material of the foamed skeleton is carbon, AlO, ZrO, SiC, SiN, BN, BC, AlN, WC or CrC; and'}wherein the organic non-metallic material of the foamed skeleton is sponge, polyurethane (PUR), polystyrene (PS), polyvinyl chloride (PVC), polyethylene (PE) or phenolic resin (PF).19. The composite material of claim 16 , further comprisinga ...

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Номер записи: 29
27-05-2021 дата публикации

METHOD FOR PROCESSING HIGHLY ALLOYED ALUMINUM ALLOY SHEET WITH HIGH ROLLING YIELD

Номер: US20210156006A1
Автор: Bai Song, Cao Jing, Chen Ye, Liu Zhiyi, WANG Jian
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present invention discloses a method for processing a highly alloyed aluminum alloy sheet with a high rolling yield, including the steps of cold rolling and hot rolling of an alloy sheet followed by heat treatment. The highly alloyed Al—Cu—Mg—Ag alloy sheet is subjected to short-time solution treatment and quenching at high temperature for multiple times by increasing the solution treatment temperature and shortening the solution treatment time. In this way, the mechanical properties of the alloy at room temperature and high temperature match with or even exceed those of a conventional alloy subjected to long-time solution treatment at high temperature. The present invention implements multiple times of short-time continuous solution treatment and quenching of a highly-alloyed coiled aluminum alloy sheet. This prevents a large amount of scraps caused by the conventional processes of segmented solution treatment and quenching of the coiled material and stretching straightening treatment. 1. A method for processing a highly alloyed aluminum alloy sheet with a high rolling yield , comprising the following steps:S1: heating a rolled Al—Cu—Mg—Ag sheet to 515-535° C. in an air cushion furnace, keeping the temperature for 5-15 min, and making a coiled material enter a quenching water tank to finish alloy quenching after primary solution treatment, which is called primary solution treatment and quenching;S2: repeating step S1 2-4 times, to perform solution treatment and quenching for multiple times;S3: naturally aging the water quenched alloy sheet at room temperature for 18-36 h; andS4: subjecting the alloy sheet after step S3 to artificial aging treatment to a required aging state.2. The method of claim 1 , wherein the artificial aging treatment in step S4 comprises heating the alloy sheet to 180-200° C. claim 1 , keeping the temperature for 45-120 min claim 1 , taking the alloy sheet out of the furnace for air cooling to below 150° C. claim 1 , then heating the alloy ...

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Номер записи: 30
01-09-2022 дата публикации

BONE REMODELING REGULATORY PEPTIDES AND APPLICATION THEREOF

Номер: US20220275025A1
Автор: Guo Yue, YUE Haiqng, Zhou Houde, Zhou Yinghui
Принадлежит: THE SECOND XIANGYA HOSPITAL OF CENTRAL SOUTH UNIVERSITY

A series of bone remodeling regulatory peptides and application thereof are disclosed. Through sequence alignment, structure analysis, physical and chemical properties and function prediction, a series of bone remodeling regulatory peptides are designed and synthesized by solid-phase peptide synthesis method: 3. The group of the bone remodeling regulatory peptides according to claim 1 , wherein the core sequence is selected from the group consisting of SEQ ID NOS. 2-5.4. The group of the bone remodeling regulatory peptides according to claim 1 , comprising a series of the bone remodeling regulatory peptides having a bone remodeling regulating function obtained by N-terminal or C-terminal modification claim 1 , an extension of an amino acid sequence claim 1 , a substitution and replacement of amino acids claim 1 , and a cyclization or a chiral transformation on the core sequence.5. The group of the bone remodeling regulatory peptides according to claim 4 , wherein the bone remodeling regulating function refers to controlling differentiation and function of osteoclasts and osteoblasts by regulating a concentration of the bone remodeling regulatory peptides claim 4 , thereby achieving an orderly regulation of bone resorption and bone formation.6. The group of the bone remodeling regulatory peptides according to claim 1 , wherein an amino terminal of the core sequence is connected with at least 2 aspartic acids.7. A method of using the group of the bone remodeling regulatory peptides according to claim 1 , comprising the step of using any one of the bone remodeling regulatory peptides in preparing a preparation for promoting bone resorption and inhibiting bone formation claim 1 , or a preparation for inhibiting the bone resorption and promoting the bone formation.8. The method according to claim 7 ,wherein when the core sequence of the bone remodeling regulatory peptides is at least one set forth by SEQ ID NOS. 2-5,a concentration of the preparation for promoting the ...

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Номер записи: 31
10-06-2021 дата публикации

METHOD FOR ELIMINATING CRACKS IN RENÉ 104 NICKEL-BASED SUPERALLOY PREPARED BY LASER ADDITIVE MANUFACTURING

Номер: US20210170487A1
Автор: Li Quan, LIU Zuming, LV Xueqian, Peng Kai, WEI Bing, ZHAO Fan
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present disclosure relates to the field of additive manufacturing and superalloys, particularly to a method for eliminating cracks in René 104 nickel-based superalloy prepared by laser additive manufacturing. For solving the problem that cracks are easily generated during laser additive manufacturing of René 104 nickel-based superalloy with high content of Al and Ti (Al+Ti>5 wt. %), generation of large-size cracks inside a fabricated part is suppressed by means of designing laser forming parameters and a partition scanning strategy; then stress relief annealing is performed to completely eliminate residual stress inside the fabricated part; and a spark plasma sintering process is performed to eliminate cracks inside the fabricated part and suppress the growth of grains during the sintering process. 1. A method for eliminating cracks in René 104 nickel-based superalloy prepared by laser additive manufacturing , wherein the method comprising the following steps:Step 1: preparation before the laser additive manufacturing, comprisingAccording to a shape of a required part, designing a three-dimensional model of the part by using a three-dimensional design software, and then importing the three-dimensional design model into the laser additive manufacturing equipment; and after auto-slicing by the software, importing data of each slice layer into the laser additive manufacturing system;Step 2: additive manufacturing by selective laser melting, comprisingLaying the René 104 nickel-based superalloy powder, then using a laser to selectively melt the powder bed according to information of the slice layer, wherein scanning methods include a contour scanning and a solid scanning, and for scanning of each layer, the contour scanning is carried out first, then the solid scanning is carried out, where the solid scanning adopts a partition scanning strategy, and then contour scanning is carried out again; the whole step consists of powder laying and laser melting processing;{' ...

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Номер записи: 32
17-06-2021 дата публикации

Multi-scale and multi-phase dispersion strengthened iron-based alloy, and preparation and characterization methods thereof

Номер: US20210178469A1
Автор: Boyun HUANG, FAN Zhao, Kai Peng, Quan Li, Xueqian LV, Zuming Liu
Принадлежит: CENTRAL SOUTH UNIVERSITY

A multi-scale and multi-phase dispersion strengthened iron-based alloy, and preparation and characterization methods thereof are provided. The alloy contains a matrix and a strengthening phase. The strengthening phase includes at least two types of the strengthening phase particles with different sizes. A volume of the two types of the strengthening phase particles with different sizes having a particle size less than or equal to 50 nm accounts for 85-95% of a total volume of all the strengthening phase particles. The matrix is a Fe—Cr—W—Ti alloy. The strengthening phases include crystalline Y2O3 phase, Y—Ti—O phase, Y—Cr—O phase, and Y—W—O phase. The characterization method comprises electrolytically separating the strengthening phases in the alloy, and then characterizing by using an electron microscope. The tensile strength of the prepared alloy is more than 1600 MPa at room temperature, and is more than 600 MPa at 700° C.

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Номер записи: 33
20-06-2019 дата публикации

PREPARATION METHOD OF PHOSPHOTUNGSTIC ACID

Номер: US20190185341A1
Автор: Li Yongli, ZHAO Zhongwei
Принадлежит: CENTRAL SOUTH UNIVERSITY

A preparation method of phosphotungstic acid includes mixing a mixed solution containing tungsten, phosphorus and an inorganic acid with an organic-alcohol-containing oil phase for extraction, stripping the obtained supported organic phase and distilled water according to an oil phase:aqueous phase volume ratio of 3:1 to 10:1 to obtain a stripping solution; and carrying out thermal evaporation crystallization or spray drying on the stripping solution to obtain a phosphotungstic acid crystal, wherein the organic alcohol is a C7-C20 alcohol. The inventors have found out that the addition of an inorganic acid to a solution of phosphorus or tungsten and the use of an organic alcohol as an extractant can achieve simultaneous and efficient extraction of phosphotungstic acid. It has also been found that the organic-alcohol-containing oil phase has excellent selectivity for phosphotungstic acid molecules in the mixed solution. 1. A preparation method of phosphotungstic acid , comprising: mixing a mixed solution containing tungsten , phosphorus and an inorganic acid with an organic-alcohol-containing oil phase for extraction , stripping the obtained supported organic phase and distilled water according to an oil phase:aqueous phase volume ratio of 3:1 to 10:1 to obtain a stripping solution , and carrying out thermal evaporation crystallization or spray drying on the stripping solution to obtain a phosphotungstic acid crystal;comprising Scheme A, Scheme B, Scheme C or Scheme D:Scheme A: the mixed solution is obtained by reacting a tungsten source of white tungstic acid or artificial scheelite with an aqueous solution of a phosphorus compound and the inorganic acid;Scheme B: the mixed solution is obtained by dissolving an industrial sodium tungstate crystal in water, then adding the phosphorus compound and the inorganic acid and mixing;in the extraction process in Scheme A and Scheme B, the oil phase:aqueous phase volume ratio is 2:1 to 1:5;Scheme C: the mixed solution is a ...

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Номер записи: 34
11-06-2020 дата публикации

TWO MOLECULAR MARKERS, KITS AND APPLICATIONS FOR GLAUCOMA DIAGNOSIS

Номер: US20200181705A1
Автор: Huang Wei, JIANG Bing, XIE Lili, ZHANG Lusi
Принадлежит: THE SECOND XIANGYA HOSPITAL OF CENTRAL SOUTH UNIVERSITY

The present invention discloses two molecular markers, kits and applications for glaucoma diagnosis. Compared with people in a control group, the expressions of lncRNAs: T267384 are all up-regulated in aqueous humors and serums of patients with glaucoma, and the expression of lncRNAs: ENST00000564363 is up-regulated in aqueous humors of patients with glaucoma. It indicates that T267384 and ENST00000564363 are highly expressed lncRNAs in glaucoma and are biomarkers that contribute to the diagnosis of glaucoma. The present invention provides a strong molecular biology basis for the diagnosis of glaucoma, and has far-reaching clinical significance and generalization performance. 1. A molecular marker for glaucoma diagnosis , wherein the molecular marker is a lncRNAs T267384 or a lncRNAs ENST00000564363 , the lncRNAs T267384 has a sequence as shown in SEQ ID NO: 1 , the lncRNAs ENST00000564363 has a sequence as shown in SEQ ID NO: 4.2. An application of a product for detecting an expression level of a lncRNAs T267384 or a lncRNAs ENST00000564363 in preparation of a tool for glaucoma diagnosis.3. The application according to claim 2 , wherein the product for detecting the expression level of the lncRNAs T267384 comprises a preparation for detecting the expression level of the lncRNAs T267384 by a real-time fluorescent quantitative PCR claim 2 , and wherein the product for detecting the expression level of the lncRNAs ENST00000564363 comprises a preparation for detecting the expression level of the lncRNAs ENST00000564363 by a real-time fluorescent quantitative PCR.4. The application according to claim 3 , wherein the preparation for detecting the expression level of the lncRNAs T267384 by the real-time fluorescent quantitative PCR comprises primers specifically amplifying the lncRNAs T267384 claim 3 , and wherein the preparation for detecting the expression level of the lncRNAs ENST00000564363 by the real-time fluorescent quantitative PCR comprises primers specifically ...

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Номер записи: 35
18-06-2020 дата публикации

THREE MOLECULAR MARKERS, KITS AND APPLICATIONS FOR GLAUCOMA DIAGNOSIS

Номер: US20200190558A1
Автор: Huang Wei, JIANG Bing, XIE Lili, ZHANG Lusi
Принадлежит: THE SECOND XIANGYA HOSPITAL OF CENTRAL SOUTH UNIVERSITY

The present invention discloses three molecular markers kits and applications for glaucoma diagnosis. The expressions of lncRNAs: T342877, lncRNAs: NR_026887, and lncRNAs: TCONS_00025577 are up-regulated in aqueous humors of patients with glaucoma compared with people in a control group. It indicates that lncRNAs: T342877, lncRNAs: NR_026887, and lncRNAs: TCONS_00025577 are highly expressed lncRNAs in glaucoma and are biomarkers that contribute to the diagnosis of glaucoma. The present invention provides a strong molecular biology basis for the diagnosis of glaucoma, and has far-reaching clinical significance and generalization performance. 1. A molecular marker a lncRNAs T312877 for glaucoma diagnosis , wherein the molecular marker is one of a lncRNAs T342877 , a lncRNAs NR_026887 and a lncRNAs TCONS_00025577; the lncRNAs T342877 having a sequence as shown in SEQ ID NO: 1 , lncRNAs NR_026887 having a sequence shown in SEQ ID NO: 4 , and lncRNAs TCONS_00025577 having a sequence shown in SEQ ID NO: 7.2. An application of a product for detecting an expression level of one of a lncRNAs T342877 , a lncRNAs NR_026887 and a lncRNAs TCONS_00025577 in preparation of a tool for glaucoma diagnosis.3. The application according to claim 2 , wherein the product for detecting the expression level of the lncRNAs T342877 comprises a preparation for detecting the expression level of the lncRNAs T342877 by a real-time fluorescent quantitative PCR; wherein the product for detecting the expression level of the lncRNAs NR_026887 comprises a preparation for detecting the expression level of the lncRNAs NR_026887 by a real-time fluorescent quantitative PCR; and wherein the product for detecting the expression level of the lncRNAs TCONS_00025577 comprises a preparation for detecting the expression level of the lncRNAs TCONS_00025577 by a real-time fluorescent quantitative PCR.4. The application according to claim 3 , wherein the preparation for detecting the expression level of the lncRNAs ...

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Номер записи: 36
03-08-2017 дата публикации

METHOD FOR REMOVING PRIOR PARTICLE BOUNDARY AND HOLE DEFECT OF POWDER METALLURGY HIGH-TEMPERATURE ALLOY

Номер: US20170216919A1
Автор: DUAN Qinglong, Guo Yang, Huang Boyun, LIU Zuming, MA Mengmei, SU Pengfei
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method for removing prior particle boundaries and hole defects of a powder metallurgy high-temperature alloy. The method includes performing mechanical ball milling treatment on an atomized powder, thermosetting the powder to form a shape, and preparing a powder metallurgy high-temperature alloy. 1. A method for removing prior particle boundaries and hole defects of a powder metallurgy high-temperature alloy , comprising: first performing mechanical ball milling treatment on high-temperature alloy powder prepared by using an atomization method to prepare surface activated solid powder , then thermosetting the powder to form a shape , and preparing a powder metallurgy high-temperature alloy.2. The method for removing prior particle boundaries and hole defects of a powder metallurgy high-temperature alloy according to claim 1 , wherein granularity of the atomized alloy powder is less than or equal to 150 μm.3. The method for removing prior particle boundaries and hole defects of a powder metallurgy high-temperature alloy according to claim 1 , wherein in ball milling claim 1 , a used ball mill is one of a planetary ball mill claim 1 , a stirring ball mill claim 1 , and a roller drum ball mill.4. The method for removing prior particle boundaries and hole defects of a powder metallurgy high-temperature alloy according to claim 3 , wherein ball milling is performed under protection of an inert gas.5. The method for removing prior particle boundaries and hole defects of a powder metallurgy high-temperature alloy according to claim 3 , wherein atomized powder is put into a ball mill pot with a ball-to-powder ratio of: (8-12): 1 claim 3 , and ball milling is performed in a planetary ball mill for 1-4 h at a ball milling rotation speed of 250-350 r/min.6. The method for removing prior particle boundaries and hole defects of a powder metallurgy high-temperature alloy according to claim 3 , wherein atomized powder is put into a ball mill pot with a ball-to-powder ratio of: ( ...

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Номер записи: 37
10-08-2017 дата публикации

A PREPARATION METHOD OF RARE EARTH OXIDE DISPERSION STRENGTHENED FINE GRAIN TUNGSTEN MATERIALS

Номер: US20170225234A1
Автор: FAN JINGLIAN, HAN Yong
Принадлежит: CENTRAL SOUTH UNIVERSITY

This invention relates to a preparation method of rare earth oxide dispersion strengthened fee grain tungsten materials, the mass percent of the rare earth oxide is of -%, and the rest ingredient is W. Weigh soluble rare earth salt and tungstate, dissolve into water to made into - g/L of rare earth salt solution and - g/L of tungstate solution, respectively. Firstly, add trace alkali in rare earth salt solution to control pH in -, then add organic dispersant and stir to form evenly suspended R(OH)particle colloid (R refers to rare earth element). Secondly pour the tungstate solution into the R(OH)colloid, add trace acid to control pH in -, then add organic dispersant and stir to form tungstic acid micro particles, which wrap around the colloidal particles, forming coprecipitation coating particle colloid. Thirdly, the coprecipitation coating particle colloidal is spray-dried, forming tungsten and rare earth oxide compound precursor powder. Alter that, ultrafine or nanoscale tungsten powder with particle size of nm is obtained through a process of calcination subsequent with hydrogen thermal reduction. Finally, the tungsten powder is subjected to ordinary compression molding and then conventional high temperature sintering. The trace rare earth oxide dispersion strengthened high performance fine grain tungsten materials prepared by this invention, its density is close to full density (% or higher), its grain size is uniform and very fine (average in microns), and the rare earth oxides particles evenly distribute in tungsten intracrystalline or grain, boundary with particle size of nm. 1. A preparation method for rare earth oxide dispersion strengthened fine grain tungsten material , its character is that includes the following steps:{'sub': 3', '3', '2', '3', '2', '3', '2, '(1) The mass percent of the rare earth oxide is of 0.1˜2%, and the rest ingredient is W. Weigh soluble rare earth salt and tungstate, dissolve into water to made into 50˜100 g/L of rare earth salt ...

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Номер записи: 38
18-07-2019 дата публикации

METHOD OF USING FLOTATION COLLECTOR CONTAINING AZOLETHIONE STRUCTURE

Номер: US20190217310A1
Автор: Hu Zhe, HUANG Yaoguo, Liu Guangyi, Liu Jun, MA Longqun, NIU Xiaoxue, ZHONG Hong
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present invention relates to an azolethione flotation collector and application thereof. According to the application, an azolethione compound such as a 1,3,4-thiadiazole-2-thione compound, a 1,3,4-oxadiazole-2-thione compound, a 1,2,4-triazole-3-thione compound or a 1,2,4,5-tetrazole-3-thione compound is used as a mineral flotation collector to be applied to ores containing copper, zinc, lead, nickel, cobalt, platinum, palladium, silver or gold minerals to realize flotation recovery of valuable metal minerals. Compared with common flotation collectors in the existing technologies, the flotation collector of the present invention can effectively improve enrichment and recovery of copper, zinc, lead, nickel, cobalt, platinum, palladium, silver or gold minerals. 3. The method of using the flotation collector containing the azolethione structure according to claim 1 , wherein R is a C-Calkane group claim 1 , or a C-Colefinic group claim 1 , or a C-Caryl group.4. The method of using the flotation collector containing the azolethione structure according to claim 2 , wherein R is a C-Calkane group claim 2 , or a C-Colefinic group claim 2 , or a C-Caryl group.5. The method of using the flotation collector containing the azolethione structure according to claim 3 , wherein R is a linear C-Calkane group or a C-Cmonoolefine group.6. The method of using the flotation collector containing the azolethione structure according to claim 4 , wherein R is a linear C-Calkane group or a C-Cmonoolefine group.7. The method of using the flotation collector containing the azolethione structure according to claim 3 , wherein R is propyl claim 3 , pentyl claim 3 , hexyl claim 3 , heptyl claim 3 , nonyl claim 3 , n-hendecyl claim 3 , n-tridecyl claim 3 , n-pentadecyl claim 3 , n-heptadecyl or 8-heptadecenyl.8. The method of using the flotation collector containing the azolethione structure according to claim 4 , wherein R is propyl claim 4 , pentyl claim 4 , hexyl claim 4 , heptyl claim 4 ...

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Номер записи: 39
19-08-2021 дата публикации

HYDROXIMIC ACID-METAL HYDROXIDE COORDINATION COMPLEX AND PREPARATION AND APPLICATION THEREOF

Номер: US20210253620A1
Автор: HAN Haisheng, HU Yuehua, Sun Wei, Wang Jianjun, WANG Ruolin, Wei Zhao
Принадлежит: CENTRAL SOUTH UNIVERSITY

A hydroximic acid-metal hydroxide coordination complex and preparation and application thereof are disclosed. The hydroximic acid-metal hydroxide coordination complex is formed by a coordination of hydroximic acid with divalent or higher valent metal ions under an alkaline condition. The hydroximic acid-metal hydroxide coordination complex has a strong selectivity and a strong collection ability for metal oxide minerals such as tungsten-containing minerals, ilmenite, rutile, cassiterite, and rare earth. The preparation method is simple and low in costs, and is beneficial to industrialized production. 2. The hydroximic acid-metal hydroxide coordination complex according to claim 1 , wherein R is an aliphatic hydrocarbon radical or an aryl.3. The hydroximic acid-metal hydroxide coordination complex according to claim 2 , wherein R is a C-Calkyl claim 2 , a C-Cunsaturated aliphatic hydrocarbon radical claim 2 , phenyl claim 2 , or substituted phenyl.4. The hydroximic acid-metal hydroxide coordination complex according to claim 3 , wherein R is the phenyl.5. The hydroximic acid-metal hydroxide coordination complex according to claim 1 , wherein the divalent or higher valent metal ions comprise at least one of Pb claim 1 , Ca claim 1 , Mn claim 1 , Cu claim 1 , Fe claim 1 , and Al.6. The hydroximic acid-metal hydroxide coordination complex according to claim 5 , wherein the divalent metal ions are Pb.7. The hydroximic acid-metal hydroxide coordination complex according to claim 1 , wherein a coordination mole ratio of the divalent or higher valent metal ions to the hydroximic acid is (1-4):(1-5).8. The hydroximic acid-metal hydroxide coordination complex according to claim 7 , wherein the coordination mole ratio of the divalent or higher valent metal ions to the hydroximic acid is (1-2):(1-3).9. The hydroximic acid-metal hydroxide coordination complex according to claim 1 , wherein a pH value of the alkaline condition is 8-11.10. The hydroximic acid-metal hydroxide ...

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Номер записи: 40
09-07-2020 дата публикации

METHOD FOR DETECTING PARASITIC INFECTION AND KIT

Номер: US20200216915A1
Автор: Ling Jie, WAN Zhengqing, ZHANG Zhuohua
Принадлежит: XIANGYA HOSPITAL CENTRAL SOUTH UNIVERSITY

The present invention provides a method for testing the DNA of the source of the parasite in a sample, a method for diagnosing, using the testing method, whether a host object is suffered with a parasitic infection, a method for determining a treatment effect on a parasitic infection, and a method for screening a candidate treatment of a parasitic infection. Also provided is a kit for the methods. 1. A method of detecting parasite-derived DNA in a sample , comprising1) extracting DNA from the sample;2) selectively enriching the parasite-derived DNA in the DNA obtained in step 1);3) subjecting the DNA enriched in step 2) to high-throughput sequencing; and4) analyzing the sequencing result of step 3),wherein the presence of the parasite-derived DNA sequence in the sequencing result indicates that the sample contains the parasite-derived DNA.2. The method according to claim 1 , wherein in the selective enrichment of step 2) claim 1 , comprising enriching and amplifying an internal control fragment (ICF) along with the parasite-derived DNA for indicating whether the selective enrichment and amplification succeeds or not.3. The method according to claim 1 , wherein the selective enrichment of step 2) is performed by using an amplicon-based capture and/or a hybridization-based capture.4. The method according to claim 3 , wherein the amplicon-based capture is selected from the group consisting of multiplex PCR claim 3 , circular PCR claim 3 , circulating single-molecule amplification and resequencing technology claim 3 , bridge PCR claim 3 , droplet PCR and isothermal DNA amplification.5. The method according to claim 3 , wherein the hybridization-based capture is selected from the group consisting of solid-phase (microarray) hybridization capture claim 3 , liquid-phase hybridization capture and molecular inversion probe capture.6. The method according to claim 3 , wherein one or more specific target sequences from the parasite genomic DNA is selectively enriched claim 3 , ...

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Номер записи: 41
23-07-2020 дата публикации

NANO-OXIDE/KAOLIN COMPOSITE HEMOSTATIC ANTIBACTERIAL MATERIAL, HEMOSTATIC HEALING-PROMOTING DRESSING AND PREPARATION METHOD THEREOF

Номер: US20200230283A1
Автор: FU LIANGJIE, LONG Mei, Ouyang Jing, Yang Huaming, Zhang Yi
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present invention belongs to the field of medical materials. A nano-oxide/kaolin composite hemostatic antibacterial material includes an iron oxide/kaolin composite carrier, and zinc oxide supported on the surface of the composite carrier. The present invention further provides the preparation and application of the composite hemostatic antibacterial material. Furthermore, the present invention provides a hemostatic healing-promoting dressing including the composite hemostatic antibacterial material disclosed by the present invention. The present invention surprisingly finds from research that the zinc oxide and iron oxide/kaolin composite carrier have a synergistic effect, and further cooperated with a special loading morphology, the synergistic effect of the two is unexpectedly enhanced, the hemostatic property and antibacterial property of the material are effectively improved, and moreover, the rate of wound healing is further improved. 1. A nano-oxide/kaolin composite hemostatic antibacterial material , comprising:an iron oxide/kaolin composite carrier; andzinc oxide supported on a surface of the iron oxide/kaolin composite carrier.2. The nano-oxide/kaolin composite hemostatic antibacterial material according to claim 1 , wherein the iron oxide/kaolin composite carrier is a homogeneous mixed material of iron oxide and kaolin claim 1 , or a core-shell material with kaolin as a core and iron oxide as a shell.3. The nano-oxide/kaolin composite hemostatic antibacterial material according to claim 1 , wherein the nano-oxide/kaolin composite hemostatic antibacterial material has a particle size of 200-1000 nm; and the zinc oxide has a particle size of 10-100 nm.4. The nano-oxide/kaolin composite hemostatic antibacterial material according to claim 1 , wherein a weight percentage of the zinc oxide is 10%-50%; and a weight percentage of the iron oxide is 20-40%.5. A preparation method of the nano-oxide/kaolin composite hemostatic antibacterial material according to ...

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Номер записи: 42
09-09-2021 дата публикации

ALKYL THIOETHER ETHYL HYDROXAMIC ACID BENEFICIATION REAGENT AND PREPARATION METHOD AND APPLICATION THEREOF

Номер: US20210276023A1
Автор: Sun Qing, WANG Shuai, ZHONG Hong
Принадлежит: CENTRAL SOUTH UNIVERSITY

An alkyl thioether ethyl hydroxamic acid beneficiation reagent and a preparation method and application thereof are provided. The alkyl thioether ethyl hydroxamic acid molecules have two functional groups, a thioether group and a hydroxamate group. The beneficiation reagent is obtained by esterification of alkyl thioether acetic acid and methanol and then by hydroxamation of hydroxylamine and an alkali. The alkyl thioether ethyl hydroxamic acid beneficiation reagent can be used as a collector for mineral flotation. The preparation method is simple and has a high yield. The thioether and hydroxamate group in the molecules have a synergistic effect and can effectively improve the collection performance. 2. The alkyl thioether ethyl hydroxamic acid beneficiation reagent according to claim 1 , wherein Ris one selected from the group consisting of methyl claim 1 , ethyl claim 1 , propyl claim 1 , isopropyl claim 1 , butyl claim 1 , isobutyl claim 1 , sec-butyl claim 1 , tert-butyl claim 1 , pentyl claim 1 , isopentyl claim 1 , sec-pentyl claim 1 , neopentyl claim 1 , cyclopentyl claim 1 , n-hexyl claim 1 , isohexyl claim 1 , sec-hexyl claim 1 , cyclohexyl claim 1 , heptyl claim 1 , cycloheptyl claim 1 , n-octyl claim 1 , isooctyl claim 1 , sec-octyl claim 1 , cyclooctyl claim 1 , benzyl claim 1 , phenyl claim 1 , p-tert-butyl benzyl and dodecyl.3. The alkyl thioether ethyl hydroxamic acid beneficiation reagent according to claim 2 , wherein Ris the benzyl or the dodecyl.5. The preparation method according to claim 4 , wherein in step (1) claim 4 , a temperature of the esterification reaction is 50-100° C. claim 4 , a reaction time is 1-6 hours claim 4 , a molar ratio of the alkyl thioether acetic acid to the methanol is 1:(1-8) claim 4 , a mass fraction of the concentrated sulfuric acid is 25-50 g/mol claim 4 , and an added amount of the concentrated sulfuric acid is 2.5-5 g/0.1 mol of the alkyl thioether acetic acid.6. The preparation method according to claim 4 , ...

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Номер записи: 43
17-09-2020 дата публикации

APPLICATION OF LNCRNAS ENST00000607393 SIRNA IN PREPARING PREPARATION FOR TREATING GLAUCOMA

Номер: US20200289544A1
Автор: Huang Wei, JIANG Bing, XIE Lili, ZHANG Lusi
Принадлежит: THE SECOND XIANGYA HOSPITAL OF CENTRAL SOUTH UNIVERSITY

The present invention provides an application of lncRNAs ENST00000607393 siRNA in preparing a preparation for treating glaucoma. The present invention clarifies the correlation between the expression level of ENST00000607393 and the calcification of human primary trabecular meshwork cells. The expression level of ENST00000607393 in human primary trabecular meshwork cells is firstly down-regulated to 46.21% of a control group by siRNA interference. Under the condition of intervening with the cells by a 500 μmol/L hydrogen peroxide solution for 48 hours, it is observed that compared with the control group, the down-regulation of ENST00000607393 expression can significantly decrease the ALP activity in human primary trabecular meshwork cells, and thus significantly decrease the calcification level of human primary trabecular meshwork cells to play a role of treating or preventing glaucoma.

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Номер записи: 44
24-09-2020 дата публикации

Diglycosylated benzophenoxazine photosensitizer and preparation method and use thereof

Номер: US20200297846A1
Автор: An Liu, Chengxin ZUO, Guishao TANG, Jiahao Li, Jian Huang, Jian Kang, Jiayao PAN, Jing Chen, Jinhua Huang, Kehua GUO, Liyang KANG, Shengbo YANG, Siqi MA, Xiangzhi SONG, Yihao LI, ZHEN Wang
Принадлежит: Third Xiangya Hospital of Central South University

Disclosed are a diglycosylated benzophenoxazine photosensitizer, and a preparation method and use thereof. The present invention greatly improves the enriched concentration of the photosensitizer in tumor cells by taking full advantage of the enhanced uptake and enhanced glycolysis of carbohydrates by tumor cells and the glycosylation of a selenium-containing benzophenoxazine compound, thereby improving the targeting of a diglycosylated benzophenoxazine photosensitizer involved in the present invention in the treatment of cutaneous tumors and also significantly decreasing the toxic and side effects of the photodynamic therapy. The present invention can efficiently and rapidly inhibit the proliferation of cells of cutaneous squamous cell carcinoma and essentially cause no damage to normal cells.

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Номер записи: 45
22-11-2018 дата публикации

CLOUD ORIENTED STREAM SCHEDULING METHOD BASED ON ANDROID PLATFORM

Номер: US20180338013A1
Автор: Li Shaoyong, LIAO Haining, Liu Yaping, Zhang Shuo, ZHANG Yaoxue
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present invention discloses a cloud-oriented stream scheduling method based on Android platform, which aims to solve the problem that the calculation and storage capability of the mobile terminal device are limited and the application has a low expandability. The technical solution of the present invention is to build a core scheduling routine and an App management routine in a mobile terminal device based on Android operation system, and build a cloud management service subsystem in cloud server to construct a cloud-oriented stream scheduling system based on the Android platform to make the mobile terminal device enabled to dynamically install or uninstall the applications according to security attribute, user behavior habit, network status and transmission quality, processing capability of current mobile terminal device, and timed task of the application and achieve the consistent application view on the level of the mobile terminal device. 1. A cloud-oriented stream scheduling method based on an Android platform , comprising the following steps: wherein the system comprises two layers, one of the two layers is a cloud management service subsystem operated on a cloud server, an other of the two layers is a core scheduling routine and an App management routine operated in a mobile terminal device; the cloud management service subsystem provides services of application download, scheduling strategy access, user configuration access, and user App status access for all mobile terminal devices connected to the cloud management service subsystem in a parallel manner, and a data center database is installed on the cloud management service subsystem; the cloud management service subsystem obtains access information needed in a mobile terminal device access operation by querying the data center database;', 'wherein the data center database further comprises four data tables corresponding to four services of the cloud management service subsystem, the four data tables ...

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Номер записи: 46
31-10-2019 дата публикации

MOLECULAR MARKER AND KIT FOR EARLY DIAGNOSIS AND PREDICTION OF SEPSIS ACUTE KIDNEY INJURY AND APPLICATION THEREOF

Номер: US20190331698A1
Автор: Li Huiling, QU Siyuan, Zhang Dongshan, ZHANG PAN
Принадлежит: THE SECOND XIANGYA HOSPITAL OF CENTRAL SOUTH UNIVERSITY

The present invention relates to a molecular marker, a kit and an application for early diagnosis and prediction of sepsis acute kidney injury (AKI). TCONS_00024536 is highly expressed in the blood of sepsis AKI patients. By detecting the expression level of TCONS_00024536 in the blood of patients, whether the patients suffer from sepsis AKI or the probability of suffering from sepsis AKI can be judged. The present invention is of great significance for specific and sensitive early diagnosis and prediction of sepsis AKI.

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Номер записи: 47
06-12-2018 дата публикации

Streaming program execution method of intelligent terminal

Номер: US20180349193A1
Автор: Jianbin Li, Letian Yi, Yaoxue Zhang
Принадлежит: CENTRAL SOUTH UNIVERSITY

A streaming program execution method of an intelligent terminal is provided. The intelligent terminal does not store a program package of a program before the program is executed. The program package of the program includes a code segment, a read-only data segment, an uninitialized data segment, and a readable/writable data segment and is stored and managed by a server. The intelligent terminal obtains a program execution instruction, downloads the uninitialized data segment, the readable/writable data segment and the code segment of the program package from the server, loads the same into a local storage space and starts the execution of the program. During the execution process, according to a call request of the program on data of the code segment and the read-only data segment, the intelligent terminal downloads the requested data from the server and loads the data into the local storage space for the call of the program.

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Номер записи: 48
13-12-2018 дата публикации

Method for Machining Micro-Holes in Metal or Alloy Product

Номер: US20180354068A1
Автор: "Duan Jian", Dong Xinran, WANG Cong, Wang Hua
Принадлежит: CENTRAL SOUTH UNIVERSITY

Provided is a method for machining micro-holes in a metal or alloy product which relates to the field of micro-hole machining. The method reduces the duration of ejection of primary plasma and the residuals produced during the ejection of the primary plasma, improves the smoothness of the hole wall of the micro-hole, and increases the depth limit of the micro-hole. Injecting energy by low-energy pulse laser in two attempts further facilitates the reduction of the diameter of the micro-hole and reduces the possibility of cracks, compared with injection same energy by single high-energy pulse laser. Moreover, a ratio between the diameter of the central ring of the ring spot formed by the focused second laser beam and the diameter of the central ring of the Gaussian spot formed by the focused first laser beam is greater than 1, which can improve the injection efficiency of laser energy. 1. A method for machining micro-holes in a metal or alloy product , comprising steps of:step A. an ultra-short laser pulse generator generating ultra-short laser pulses and outputting the ultra-short laser pulses to a laser state adjusting device;step B. the laser state adjusting device regulating a diameter of a spot formed by the ultra-short laser pulses output by the ultra-short laser pulse generator to a required first spot diameter, splitting the regulated ultra-short laser pulses into a first laser beam and a second laser beam, and outputting the first laser beam and the second laser beam to a Gaussian laser pulse generating device and a ring laser pulse generating device respectively, wherein laser pulses of each of the first laser beam and the second laser beam per unit time are in number of a preset value;step C. the Gaussian laser pulse generating device regulating power of the first laser beam, collimating the first laser beam, regulating a spot of the first laser beam to have a required second spot diameter, delaying the regulated first laser beam to generate Gaussian laser ...

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Номер записи: 49
21-11-2019 дата публикации

METHOD AND SYSTEM FOR COMPREHENSIVE RECOVERY AND UTILIZATION OF COPPER-NICKEL SULFIDE ORE

Номер: US20190352740A1
Автор: Chen Xingyu, Li Jiangtao, Li Yongli, LIU Xuheng, XIAO Wanhai, ZHAO Zhongwei
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present invention relates to the field of ore smelting technology, and particularly provides a method and system for comprehensive recovery and utilization of copper-nickel sulfide ore. Under normal pressure, the method can be used to directly leach copper-nickel sulfide ore concentrate or low-grade nickel matte obtained by matte smelting of copper-nickel sulfide ore. In the leaching process, the leaching rate of nickel, cobalt and iron is up to 99% or more, and copper is hardly leached, whereby the deep separation of copper from elements such as nickel and cobalt is directly realized, and the huge system for copper-nickel separation in the conventional process is omitted. Moreover, noble metals are not leached, and almost all of them remain in the leaching slag with copper, so the destiny is simple. 1. A method for comprehensive recovery and utilization of copper-nickel sulfide ore , comprising the following steps:1) selective leaching, comprising:obtaining a nickel-iron-cobalt-enriched leachate and a copper-enriched leaching slag by selective leaching, whereinthe selective leaching is a method for recovering the main accompanying elements from copper-nickel sulfide ore, which comprises the following selective leaching steps:selectively leaching by continuously adding low-grade nickel matte obtained by matte smelting of copper-nickel sulfide ore and a leaching reaction solution to a reaction base liquid, and collecting gaseous hydrogen sulfide, a first leachate, and a first leaching slag respectively, wherein the reaction base liquid is a 20-60 wt % sulfuric acid solution, and the leaching reaction solution is a 60-95 wt % sulfuric acid solution; and adding water to dissolve the first leaching slag, and collecting a second leachate and a second leaching slag respectively,wherein the second leachate is a nickel-iron-cobalt-enriched leachate; and the second leaching slag is a copper-enriched leaching slag;2) removing iron from the nickel-iron-cobalt-enriched ...

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Номер записи: 50
12-11-2020 дата публикации

TISSUE CHIP CORE-MAKING SYSTEM BASED ON IMAGE RECOGNITION AND POSITIONING AND CORE-MAKING METHOD THEREOF

Номер: US20200355578A1
Автор: GUO Kehua, GUO Yichen, Huang Lihua, KANG Jian, LI Zhuoyu, LIU Bo, LONG Kexin, SHEN Chaoyang, SONG Xiangzhi, Wang Zhen, XIAO Zhepeng
Принадлежит: THE THIRD XIANGYA HOSPITAL OF CENTRAL SOUTH UNIVERSITY

A tissue chip core-making system based on image recognition and positioning and a core-making method thereof—includes a cutting system and a computer control system. The cutting system includes a numerical control cutting machine, XYZ-axis translation worktables, a 360° rotation turntable, a recipient wax block rack, a freezing table and an image recognition and positioning module. A core-making process based on the core-making system includes: lofting, sample position recognition, tissue sample image acquisition, tissue sample image processing, cutting parameter setting, tissue sample cutting, tissue core information recognition and storage to obtain a tissue core with information traceability. The method obtains a coring region through visual recognition, and has the characteristics of high automation degree and high work efficiency. 1. A tissue chip core-making system based on image recognition and positioning , comprising:a cutting system and a computer control system, whereinthe cutting system comprises a numerical control cutting machine, a plurality of XYZ-axis translation worktables, a 360° rotation turntable, a freezing table, a recipient wax block rack and an image recognition and positioning module;the numerical control cutting machine comprises a cutting machine worktable and a cutter, the plurality of XYZ-axis translation worktables are disposed on the cutting machine worktable, the recipient wax block rack is disposed on the plurality of XYZ-axis translation worktables, the 360° rotation turntable is disposed on the plurality of XYZ-axis translation worktables, the freezing table is disposed on the 360° rotation turntable, the recipient wax block rack is disposed on the freezing table, and the cutter is disposed above the freezing table; andthe image recognition and positioning module comprises a linear array CCDa and a linear array CCDb, the linear array CCDa is disposed above the freezing table, and the linear array CCDa is configured to recognize ...

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Номер записи: 51
05-12-2019 дата публикации

IRON OXIDE/NANOKAOLIN COMPOSITE HEMOSTATIC AGENT AND PREPARATION METHOD THEREOF

Номер: US20190365801A1
Автор: LONG Mei, Yang Huaming, Zhang Yi
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present invention discloses an iron oxide/nanokaolin composite hemostatic agent and a preparation method thereof. The composite hemostatic agent is composed of nanokaolin and iron oxide, where the nanokaolin is used as a carrier, and the iron oxide is loaded on a surface of a nanokaolin flake. The composite hemostatic agent is obtained by a precipitation method. The composite hemostatic agent has the advantages of good hemostatic effect, rapid wound healing, no obvious cytotoxicity, no hemolysis, high biocompatibility, and the like. 1. An iron oxide/nanokaolin composite hemostatic agent , comprising an active ingredient of the composite hemostatic agent is a composite of a nanokaolin and an iron oxide.2. The iron oxide/nanokaolin composite hemostatic agent according to claim 1 , wherein the active ingredient is made by loading the iron oxide on a surface of the nanokaolin.3. The iron oxide/nanokaolin composite hemostatic agent according to claim 2 , wherein a mass percentage of the iron oxide is 15%-45%.4. The iron oxide/nanokaolin composite hemostatic agent according to claim 1 , wherein the iron oxide is iron oxyhydroxide claim 1 , α-ferric oxide claim 1 , γ-ferric oxide and/or ferroferric oxide.5. An iron oxide/nanokaolin composite hemostatic agent claim 1 , comprising a composite of a nanokaolin and an iron oxide.6. The iron oxide/nanokaolin composite hemostatic agent according to claim 5 , wherein the iron oxide is loaded on a surface of the nanokaolin.7. The iron oxide/nanokaolin composite hemostatic agent according to claim 6 , wherein a mass percentage of the iron oxide is 15%-45%.8. The iron oxide/nanokaolin composite hemostatic agent according to claim 5 , wherein the iron oxide is iron oxyhydroxide claim 5 , α-ferric oxide claim 5 , γ-ferric oxide and/or ferroferric oxide.9. A preparation method of the iron oxide/nanokaolin composite hemostatic agent according to claim 1 , comprising:a preparation of an iron oxyhydroxide/nanokaolin composite ...

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Номер записи: 52
10-12-2020 дата публикации

TWO-DIMENSIONAL CLAY BASED COMPOSITE PHOSPHORUS REMOVING AGENT AND PREPARATION METHOD AND APPLICATION THEREOF

Номер: US20200385276A1
Автор: CHEN HONGYUN, FU LIANGJIE, LIU SAINAN, Ouyang Jing, Yang Huaming, Zhang Yi
Принадлежит: CENTRAL SOUTH UNIVERSITY

The present invention belongs to the field of material preparation, and particularly relates to a two-dimensional clay based composite phosphorus removing agent and a preparation method. The two-dimensional clay based composite phosphorus removing agent provided by the present invention takes two-dimensional clay, hydroxide (such as lanthanum hydroxide, calcium hydroxide, magnesium hydroxide and aluminum hydroxide) and urea as raw materials, and the composite phosphorus removing agent with high property is prepared by a roasting method. Through a combined physical and chemical method, phosphorus in the phosphorus-containing wastewater is effectively removed by the synergic interaction between components of the composite phosphorus removing agent. The invention overcomes the defects of large consumption and secondary pollution easily caused by using metal hydroxides, metal oxides and metal salts separately as chemical phosphorus removing agents, and simultaneously expands the application fields of the two-dimensional clay. 1. A two-dimensional clay based composite phosphorus removing agent , comprising:two-dimensional clay; andoxide of M metal composited on a surface of the two-dimensional clay in situ;wherein the M metal is a metal capable of forming insoluble precipitate with phosphate.2. The two-dimensional clay based composite phosphorus removing agent according to claim 1 , wherein the two-dimensional clay is at least one of kaolinite claim 1 , montmorillonite and rectorite.3. The two-dimensional clay based composite phosphorus removing agent according to claim 1 , wherein the M metal is at least one of calcium claim 1 , magnesium claim 1 , lanthanum and aluminum.4. The two-dimensional clay based composite phosphorus removing agent according to claim 1 , wherein a content of the oxide of the M metal is 15-50%.5. The two-dimensional clay based composite phosphorus removing agent according to claim 2 , wherein a content of the oxide of the M metal is 15-50%.6. The ...

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Номер записи: 53
24-12-2020 дата публикации

METHOD FOR CLEAN METALLURGY OF MOLYBDENUM

Номер: US20200399738A1
Автор: Li Yongli, ZHAO Zhongwei
Принадлежит: CENTRAL SOUTH UNIVERSITY

Disclosed is a method for clean metallurgy of molybdenum, including steps: 1) roasting molybdenite with calcium to obtain calcified molybdenum calcine, and leaching the calcified molybdenum calcine with an inorganic acid to obtain a molybdenum-containing inorganic acid leachate; 2) extracting molybdenum in the leachate with a cationic extractant to obtain an organic phase loaded with molybdyl cations and a raffinate; 3) using a hydrogen peroxide solution as a stripping agent to obtain a molybdenum stripping liquor; and 4) heating the molybdenum stripping liquor to dissociate peroxymolybdic acid therein so as to form a molybdic acid precipitate, and then calcining to obtain a molybdenum trioxide product. The method solves the problem of ammonia nitrogen wastewater production and can also be used for the enrichment and recovery of rhenium. 1. A method for clean metallurgy of molybdenum , comprising the following steps:1) roasting molybdenite with calcium to obtain a calcified molybdenum calcine, and leaching the calcified molybdenum calcine with an inorganic acid to obtain a molybdenum-containing inorganic acid leachate;2) extracting molybdenum in the molybdenum-containing inorganic acid leachate obtained in step 1) with a cationic extractant to obtain an organic phase loaded with molybdyl cations and a raffinate, wherein the cationic extractant is one or more of P204, P507 or Cyanex272;3) using a hydrogen peroxide solution as a stripping agent, and mixing the hydrogen peroxide solution with the organic phase loaded with molybdyl cations to obtain a molybdenum stripping liquor; and4) heating the molybdenum stripping liquor to dissociate peroxymolybdic acid therein so as to form a molybdic acid precipitate, and then calcining to obtain a molybdenum trioxide product.2. The method for clean metallurgy of molybdenum according to claim 1 , wherein step 1) is leaching with the inorganic acid under a normal pressure and at a temperature of 75 to 96° C. claim 1 , and the ...

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Номер записи: 54
31-12-2020 дата публикации

METHOD FOR QUICK HOT-PRESS FORMING OF LAMINATED WOOD

Номер: US20200406494A1
Автор: Li Xianjun, Li Xingong, Liu Ming, QING YAN, WU YIQIANG, ZHENG Xia, ZUO Yingfeng
Принадлежит: Central South University of Forestry and Technology

The present invention discloses a method for quick hot-press forming of laminated wood. The method includes: drying a machined small wood material to a moisture content of 5-8 wt %; gluing the dried small wood material, and assembling and laying the dried small wood material to be a square material or a sheet material, where an adhesive for the gluing is a water-soluble adhesive having a solid content of 45-60 wt %; clamping the square material or the sheet material through a three-dimensional metal clamp; sending the clamped square material or sheet material together with the clamp into a microwave heating machine for microwave heating to obtain a formed laminated wood, where the time from the gluing to the entry into the microwave heating machine is controlled to not exceed 15 min. According to the present invention, a glued part that needs to be heated can be heated quickly, precisely and effectively, the gluing strength and production efficiency of the laminated wood can be significantly improved, and the cost of production energy consumption is reduced. 1. A method for quick hot-press forming of laminated wood , comprising the following steps:step S1: drying a machined small wood material to a moisture content of 5-8 wt %;step s2: gluing the dried small wood material, and assembling and laying the dried small wood material to be a square material or a sheet material, wherein an adhesive for the gluing is a water-soluble adhesive having a solid content of 45-60 wt %;step S3: clamping the square material or the sheet material through a three-dimensional metal clamp; andstep S4: sending the clamped square material or sheet material together with the clamp into a microwave heating machine for microwave heating to obtain a formed laminated wood, wherein the time from the gluing to the entry into the microwave heating machine is controlled to not exceed 15 min.2. The method for quick hot-press forming of laminated wood according to claim 1 , wherein the gluing in ...

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Номер записи: 55
31-12-2020 дата публикации

Integrated bipolar electrode, preparation method and use thereof

Номер: US20200411882A1
Автор: Suqin Liu, Xiugui YUAN
Принадлежит: CENTRAL SOUTH UNIVERSITY

An integrated bipolar electrode includes a laminated structure and a bipolar plate. The laminated structure is formed by interconnecting an anode active material layer with a cathode active material layer. The bipolar plate is sandwiched in a hollow cavity of the laminated structure. Side surfaces of the laminated structure are provided with a sealing layer for mating with a bipolar electrode fixing frame to prevent an anolyte and a catholyte from permeating into each other. The anode active material layer and the cathode active material layer in the integrated bipolar electrode are directly connected. A contact resistance between the anode active material layer and the cathode active material layer is quite low, and a battery prepared finally has better performances.

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Номер записи: 56
31-12-2020 дата публикации

Encryption and decryption method and system with continuous-variable quantum neural network

Номер: US20200412532A1
Автор: Duan Huang, Jinjing SHI, Ronghua SHI, Shuhui Chen, Tongge ZHAO, Wei Lai, Wenxuan WANG, Yanyan FENG, Yongze TANG, Yuhu LU, Zhenhuan LI
Принадлежит: CENTRAL SOUTH UNIVERSITY

A method and a system for encryption and decryption based on continuous-variable quantum neural network CVQNN. The method includes: updating a weight of the CVQNN with a training sample; triggering, by a sender, a legal measurement bases synchronization between the sender and the CVQNN; converting, by the sender, the information to be sent into a quadratic plaintext according to the synchronized measurement bases, and sending the quadratic plaintext to the CVQNN; encrypting, by the CVQNN, a received quadratic plaintext, and sending an encrypted quadratic plaintext to a receiver; after receiving the encrypted quadratic plaintext, sending by the receiver the encrypted quadratic plaintext to the CVQNN for decryption to obtain decrypted information. The embodiments implement data encryption and decryption by introducing CVQNN model and synchronization measurement technology. The embodiments provide advantages of high reliability, high security and easy realization.

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Номер записи: 57
21-09-2016 дата публикации

一种三腔肛管系统

Номер: CN205586346U
Автор: 周建大, 孙林丽, 廖俊琳, 秦春香, 谢建飞, 龚丽娜
Принадлежит: Third Xiangya Hospital of Central South University

本实用新型公开了一种三腔肛管系统。包括主肛管、气囊、气囊管、冲肛管、外引流管和引流袋。所述主肛管为中空管状结构，主肛管前端设为球面口和引流侧孔，前端标有刻度，方便引流和控制插入深度。所述气囊位于主肛管的侧孔后方，插入注水充气囊后，气囊位于肛门上部富有张力的齿状线位置，刺激小，更舒适，适合长期放置。冲肛管的设计，可以将较大的大便块冲开稀释后顺利引流出，可防止大便硬结、肛管堵塞等。气囊注水孔和冲肛管冲水入孔内均采用阀门塞设计，操作简便。所述外引流管后端设有三通接头和固定圈，固定圈可根据现场实况调节大小，固定于衣物或床边等处。该产品能作为医院、疗养院和部分家庭等处的护理用具，具有较好的市场推广前景。

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Номер записи: 58
02-02-2011 дата публикации

具有防撞功能的玩具直升机

Номер: CN201727964U
Автор: 贺超英
Принадлежит: Central South University of Forestry and Technology

本实用新型公开了一种具有防撞功能的玩具直升机，其特征在于，包括微处理器、无线接收器、执行机构以及分别安装于玩具直升机上、下、前、后、左和右的6个超声波传感器，所述的无线接收器、执行机构和超声波传感器均与微处理器连接。该具有防撞功能的玩具直升机能更有效避免与障碍物发生碰撞。

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Номер записи: 59
27-09-2006 дата публикации

一种制备介孔二氧化铈的方法

Номер: CN1837053A
Автор: 宋晓岚, 曲鹏, 杨华明, 胡岳华, 邱冠周, 金胜明
Принадлежит: CENTRAL SOUTH UNIVERSITY

一种制备介孔二氧化铈的方法，采用可溶性铈盐作为铈源，加入表面活性剂，倒入沉淀剂溶液进行化学反应生成前驱体；前驱体经过滤、去离子水洗涤后，进行超声波分散，再经过滤、干燥，焙烧得到介孔CeO 2 成品。本发明采用原料价格低廉，产品收率高，操作过程容易，所需设备简单，制备成本低；改变反应条件和焙烧条件可得到晶粒尺寸、孔径范围和比表面积均不同的介孔CeO 2 ；前驱体经去离子水洗涤可有效除去杂质获得高纯产品；反应过程引入表面活性剂作为模板剂，可以促进反应过程中孔道的形成，有利于获得比表面高的介孔CeO 2 ；所得产品粒径分布均匀，比表面积达40～140g/cm 2 ，孔径为2～20nm。

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Номер записи: 60
06-07-2016 дата публикации

一种锂硒电池正极的制备方法

Номер: CN104201389B
Автор: 屈耀辉, 张治安, 李劼, 李强, 蒋绍峰, 赖延清, 陈巍
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种锂硒电池正极的制备方法，该制备方法是将含氮导电聚合物沉积或生长在纸片表面，再经过碱活化，高温炭化，得到以碳纤维网络结构为自支撑体的含氮层次孔碳复合集流体，再进一步与硒复合，得到含硒量高、固硒效果好、机械性能好、电化学性能优良的锂硒电池正极；该制备方法操作简单，无污染，成本低，制得的锂硒电池电极无需使用粘结剂及相应的涂布工艺，直接用于制备出循环性能和倍率性能优异的锂硒电池。

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Номер записи: 61
01-05-2013 дата публикации

一种梯度包覆镍酸锂材料及其制备方法

Номер: CN103078109A
Автор: 彭忠东, 曹雁冰, 杜柯, 胡国荣, 黄金龙
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种锂离子电池正极材料梯度包覆的镍酸锂的制备方法，以解决现有镍酸锂循环性能差的问题。该镍酸锂的分子式为：LiNi 1-x M x O 2 ，其中0＜x≤0.3，所述M是掺杂的金属离子，M选自镁、镍、铁、钛、锌、钴、锰、铝、铌、钒中的一种或几种；所述梯度包覆是在球形氢氧化镍材料的表面，包覆具有浓度梯度的含镍和其它金属元素的氢氧化物共沉淀物，再将此前驱体与锂源材料混合后，在氧气气氛炉中高温焙烧，获得高性能改性镍酸锂正极材料。本发明所得到的梯度包覆镍酸锂具有比容量高、循环性能好、高温性能优异等特点，适合于高容量锂离子电池应用领域。

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Номер записи: 62
17-10-2017 дата публикации

制备极性修饰超高交联树脂的方法及应用

Номер: CN104910313B
Автор: 伏振宇, 刘又年, 李河冰, 王云秋, 闫冲, 陈立妙, 黄健涵
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了制备极性修饰超高交联树脂的方法及应用。制备极性修饰超高交联树脂的方法是将4‑乙烯基苄氯、丙烯酸酯与二乙烯基苯通过三元悬浮共聚，得到三元共聚前驱体树脂；所得三元共聚前驱体树脂在路易斯酸催化作用下，进行Friedel‑Crafts反应，得到超高交联树脂；所得超高交联树脂置于胺化试剂中溶胀后，进行胺化反应，即得高比表面积和大孔容，且孔径和极性大小适宜的极性修饰超高交联树脂，该极性修饰超高交联树脂可用于吸附水中的极性小分子芳香性有机化合物，具有广阔的应用前景。此外，制备的极性修饰超高交联树脂的方法简单、成本低，可工业化生产。

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Номер записи: 63
15-11-2019 дата публикации

一种含钙类或硅酸盐类脉石矿物浮选抑制剂及其制备方法和应用

Номер: CN107837967B
Автор: 卫召, 孙伟, 李爱民, 杨美情, 王琛, 王若林, 胡岳华, 韩海生, 黄景华
Принадлежит: CENTRAL SOUTH UNIVERSITY, Ninghua Jing Hang Tungsten Mine Co Ltd

本发明公开了一种含钙类或硅酸盐类脉石矿物浮选抑制剂及其制备方法和应用，该浮选抑制剂由无机聚合物与金属离子聚合而成；其制备方法是将硅藻土及氢氧化钠溶液在高温高压条件下反应得到无机聚合物，无机聚合物再与金属盐聚合反应，即得。该方法简单、成本较低，制备的浮选抑制剂对于含钙类和硅酸盐类脉石矿物具有极强的选择性抑制作用，能够实现含钨矿物与脉石矿物的高效浮选分离，且药剂用量小、成本低廉、浮选指标稳定，可广泛应用于钨矿浮选过程中精矿品位及回收率的大幅提高。

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Номер записи: 64
27-08-2021 дата публикации

一种低品位钒钛磁铁矿尾矿选磷的方法

Номер: CN112474065B
Автор: 刘维, 杨聪仁, 焦芬, 董留洋, 覃文庆, 韩俊伟, 魏茜
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种低品位钒钛磁铁矿尾矿选磷的方法，包括以下步骤：将低品位钒钛磁铁矿尾矿首先进行弱磁选抛尾，得到磁性矿物和磷浮选给矿；将磷浮选给矿进行调浆，得到矿浆，依次向矿浆中加入调整剂碳酸钠、脉石抑制剂HQ‑P 1 、捕收剂HQ‑P 2 ，进行正浮选选磷，得到高品质的磷精矿和选磷尾矿。本发明针对低品位钒钛磁铁矿尾矿选磷，鉴于原矿含磷低，采用预先弱磁选抛尾—磁选尾矿正浮选选磷的工艺，与全浮选选磷相比，该磁选‑浮选工艺比全浮选工艺成本低20~25%，提高了经济效益。本发明的抑制剂HQ‑P 1 与捕收剂HQ‑P 2 组合使用，在低药剂用量条件下，获得了高磷品位的磷精矿产品。

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Номер записи: 65
24-06-2015 дата публикации

一种建筑用临时通行桥

Номер: CN104727215A
Автор: 李伟坡, 许舟
Принадлежит: Central South University of Forestry and Technology

本发明公开了一种建筑用临时通行桥，包括第一、第二、第三桥体，第一、第二、第三桥体上端设有通行平板，第一、第三桥体的底部设有丝杆螺母钻头装置，并且第一桥体左端和第三桥体右端均设有手摇式丝杆螺母抽拉装置；所述丝杆螺母钻头装置包括一底部带有钻头的第一丝杆螺母副，所述第一丝杆螺母副上端设有能使第一丝杆螺母副行进伸缩的电动马达装置；所述手摇式丝杆螺母抽拉装置包括一凹槽，所述凹槽内设有一底部带有手摇式丝杆螺母副的横板，所述横板活动端设有螺栓固定孔；本发明通过拼接以及横向、纵向的丝杆螺母系统，使得桥梁的安装方式以及与河底的连接方式得以大大简化，而且安全牢固。

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Номер записи: 66
06-07-2016 дата публикации

一种对称式水溶液锂离子电池

Номер: CN103928681B
Автор: 彭文杰, 李新海, 王志兴, 王接喜, 胡启阳, 郭华军, 陈鑫
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种对称式水溶液锂离子电池及改性方法，以氟磷酸钒锂同时作为正极和负极，含锂离子的水溶液作为电解液。在作为负极的电极表面上包覆一层厚度为5-1000nm具有高析氢过电位的保护膜，抑制负极析氢。本发明创造性地将氟磷酸钒锂同时应用于水系锂离子正极和负极，节省了极片材料的制作成本。通过本发明改性的对称式水溶液锂离子电池有效抑制了析氢反应，具有长寿命、高功率、高安全性、无环境污染等特点。

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Номер записи: 67
22-03-2017 дата публикации

一种基于石蜡包覆钛酸钡纳米颗粒的介电复合材料及其制备方法

Номер: CN106519516A
Автор: 吴忠, 周学凡, 周科朝, 张斗, 罗行
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种基于石蜡包覆钛酸钡纳米颗粒的介电复合材料。利用成膜性和绝缘性好的石蜡作为修饰剂，包覆于150‑200nm尺寸的钛酸钡球形颗粒表面，制备成钛酸钡@石蜡核壳纳米结构的颗粒，然后与聚偏氟乙烯六氟丙烯(P(VDF‑HFP))聚合物基体复合，明显改善了其在P(VDF‑HFP)基体中的分散性和相容性。石蜡包覆钛酸钡/P(VDF‑HFP)复合物的渗流阈值相对钛酸钡/P(VDF‑HFP)复合物明显增大。当石蜡包覆钛酸钡球形纳米颗粒占复合物的体积分数为50％时，复合物介电常数在1kHz时增大到49.0，同时损耗低至0.06。在石蜡包覆钛酸钡球形纳米颗粒的体积分数为30％的条件下，复合物获得220kV/mm的抗击穿电场，能量密度高达13.85J/cm 3 。

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Номер записи: 68
30-06-2020 дата публикации

基于图像变形技术的骨折线地图绘制方法

Номер: CN111354057A
Автор: 刘姝, 廖胜辉, 申锴镔, 蒋义勇, 赵于前, 邹忠全, 韩付昌
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种基于图像变形技术的骨折线地图绘制方法，包括对输入的骨折CT数据进行预处理；对预处理图像提取外轮廓、完成骨折块的划分、骨折线的提取以及外轮廓特征点的确定；根据特征点进行三角剖分生成三角网络并调节图像区域；遍历整个三角形网络并对每个三角形进行分开调整和缩放调整；将个异性的骨骼样本在保证内部骨折线特征不变的情况下基于外轮廓进行图像变形，从而统一到标准骨骼模版，完成骨折线地图的绘制。本发明能够快速绘制出骨折线地图，而且靠性高，准确性好。

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Номер записи: 69
20-11-2020 дата публикации

一种生长金刚石厚膜的籽晶及其制备方法与应用

Номер: CN111962149A
Автор: 刘立斌, 彭国令, 黄翀
Принадлежит: CENTRAL SOUTH UNIVERSITY, Changsha New Material Industry Research Institute Co Ltd

本发明提供本申请提供一种生长金刚石厚膜的籽晶及其制备方法与应用，所述籽晶包括{100}晶面的上表面，与所述上表面垂直的{100}晶面的侧表面以及倒角面；所述倒角面包括位于所述上表面边缘线轮廓处的{110}晶面的第一倒角面，位于所述上表面边缘角处的{111}晶面的第二倒角面，位于{100}晶面的上表面与{111}晶面的第二倒角面之间的{113}晶面的第三倒角面，以及{100}晶面的上表面与{110}晶面的第一倒角面之间的交接处的第四倒角面。本发明中的第一倒角面、第二倒角面、第三倒角面和第四倒角面，在生长金刚石厚膜的过程中可以有效降低边角引起的尖端效应，延缓边缘多晶的生长，使得单晶金刚石可以长时间的稳定生长。

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Номер записи: 70
29-09-2010 дата публикации

具有高可逆容量与首次充放电效率的锂离子电池负极系统

Номер: CN101847751A
Автор: 张云河, 彭文杰, 方杰, 李新海, 王志兴, 胡启阳, 郭华军
Принадлежит: CENTRAL SOUTH UNIVERSITY

一种具有高可逆容量与首次充放电效率的锂离子电池负极系统，属于电化学领域。本发明针对中间相炭微球、人造石墨或天然石墨三种锂离子电池负极材料，使用由LiPF 6 或LiN(CF 3 SO 2 ) 2 溶解在离子液体1-乙基-3-甲基咪唑双三氟甲磺酰亚胺盐或N-甲基，丙基哌啶双三氟甲磺酰亚胺盐中而形成的电解质溶液。在此电解质溶液中，锂离子电池负极材料的可逆容量与首次充放电效率得到明显提高。电解质溶液中还可加入有机溶剂碳酸丙烯酯、碳酸乙烯酯、碳酸二甲酯或碳酸甲乙酯调节负极材料的电化学性能。

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Номер записи: 71
24-08-2016 дата публикации

一种新型井漏报警装置及方法

Номер: CN104131810B
Автор: 吴志虎, 王莉, 肖凯文, 鲁五, 鲁五一
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种新型井漏报警装置及方法，包括底座(1)、转轴(2)、连杆(4)、泥浆勺(5)、计算单元与报警单元；所述的底座设置在管道的泥浆流出口处；底座具有一个底板和两个侧板(3)；两个侧板垂直与底板固定在底板的相对两侧；且沿着泥浆流动方向设置；转轴设置在2块侧板上，由电机驱动；连杆的一端固定在转轴上，连杆的另一端固定有所述的泥浆勺；连杆处于水平位置时，泥浆勺的开口朝上；转轴上设有扭矩传感器；扭矩传感器与计算单元相连；计算单元与报警单元相连；在计算单元中计算比重值并启动报警单元实施报警。该新型井漏报警装置及方法易于实施，且能有效地避免井漏的发生，保障钻井过程中的人身和财产安全。

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Номер записи: 72
31-05-2017 дата публикации

一种铬酸盐制备三氧化二铬的方法

Номер: CN106745256A
Автор: 王学文, 王明玉
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明涉及一种铬酸盐制备三氧化二铬的方法，是以铬酸盐为原料，用含碳还原性气体作还原剂，在125‑780℃的温度下还原，得到由三氧化二铬和碳酸盐组成的还原产物，加水溶解还原产物中的碳酸盐，过滤、洗涤、烘干后得三氧化二铬产品，溶解液再经CO 2 酸化分离回收其中的碳酸盐。本发明不仅极大简化了三氧化二铬的生产工艺，而且显著降低了三氧化二铬的生产成本，并可实现整个工艺过程废水废渣的零排放。本发明具有工艺路线短，加工成本低，产品质量好，高效环保等优点，适合于三氧化二铬工业化生产。

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Номер записи: 73
13-02-2018 дата публикации

一种炭/炭复合材料耐烧蚀涂层及其制备工艺

Номер: CN105461357B
Автор: 冉丽萍, 吴皇, 周哲, 易茂中, 汪沅, 葛毅成, 龚洁明
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种炭/炭复合材料耐烧蚀涂层及其制备工艺，炭/炭复合材料耐烧蚀涂层包括SiC过渡层及钨喷涂层，SiC过渡涂层覆盖在基体的表层，钨喷涂层喷覆在SiC过渡涂层；其中，上述SiC过渡涂层包括以下质量比组成成分：70‑80%Si粉、10‑20%C粉、5‑15%Al 2 O 3 粉；炭/炭复合材料耐烧蚀涂层的制备工艺，包括以下工艺步骤：基体表面处理；SiC过渡涂层的制备；钨粉料的筛选；钨涂层/SiC/炭/炭复合材料的制备；钨涂层/SiC/炭/炭复合材料涂层应力缓解；采用氧乙炔焰烧蚀仪进行涂层的烧蚀性能测试。本发明使炭/炭复合材料在2800℃左右氧乙炔焰烧蚀从10 s提高到120 s且涂层不脱落。

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Номер записи: 74
18-01-2019 дата публикации

一种基于轨迹自适应聚类的路网快速更新的方法及系统

Номер: CN109241069A
Автор: 刘慧敏, 唐建波, 邓敏, 陈雪莹, 黄金彩
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明提出了一种基于轨迹自适应聚类的路网快速更新方法，其特征在于，该方法包括：将采集的移动轨迹数据与获取的原始路网数据通过距离约束条件与方向约束条件判断轨迹点与原始路网是否匹配，通过匹配结果获取未匹配的轨迹点，对未匹配的轨迹点进行自适应轨迹聚类，并针对每个轨迹聚类，采用最优主曲线拟合方法进行轨迹点的曲线拟合，提取出道路中心线，识别出道路行车方向、单/双向信息，进而完成变化道路与原始路网的融合。通过该方法可以解决大范围城市路网变化区域快速识别、复杂情景下变化道路精细几何结构的自适应提取与更新、道路行车方向、单/双向等语义信息的识别与更新。

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Номер записи: 75
07-06-2019 дата публикации

一种防误吸口腔清洁护理海绵棒

Номер: CN208942446U
Автор: 唐四元, 石泽亚, 陈三妹
Принадлежит: CENTRAL SOUTH UNIVERSITY

本实用新型公开了一种防误吸口腔清洁护理海绵棒，包括海绵柱和握持棒，所述握持棒的一端连接于所述海绵柱的一端，所述海绵柱包括内海绵层、套设于内海绵层外的环形中间海绵层和套设于中间海绵层外的环形外海绵层，其中，所述内海绵层和外海绵层均为吸水海绵层，中间海绵层为不吸水海绵层且设有粗孔，内海绵层的水分通过所述粗孔引流到外海绵层内。本实用新型具有可防误吸、结构简单、使用方便、省时省力、实用性强等优点。

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Номер записи: 76
12-06-2013 дата публикации

一种tbm滚刀磨损实时监测装置

Номер: CN103148771A
Автор: 兰浩, 夏毅敏, 张魁, 暨智勇, 朱宗铭, 程永亮, 邓荣, 郑伟
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种基于电感式位移传感器的TBM滚刀磨损量实时监测装置。其特征在于：电感式位移传感器安装在传感器基座内，引线插头连接在电感式位移传感器上，传感器基座内部空隙用AB胶填充。氧化锆保护套和传感器基座安装在传感器定位套中，传感器定位套沟槽中安装有防水橡胶圈。氧化锆保护套与传感器定位套之间用小防水橡胶垫圈密封，氧化锆保护套与传感器基座之间用大防水橡胶垫圈密封。传感器定位套安装进刀盘筋板与刀座侧面中间的圆孔，传感器基座用螺栓与刀盘筋板固定为一体。电感式位移传感器检测的滚刀磨损量信号经信号变送器处理后，用无线方式传输。本发明可以适应滚刀工作的恶劣环境，实现对滚刀磨损量的实时监测。

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Номер записи: 77
23-11-2021 дата публикации

一种基于过程尺寸特征的锌矿品位软测量方法

Номер: CN108647722B
Автор: 史伟东, 唐朝晖, 曾思迪, 牛亚辉, 高小亮
Принадлежит: CENTRAL SOUTH UNIVERSITY

一种基于过程特征的锌浮选精矿品位的软测量的方法，本发明综合了专家知识和数据建模方法，首先根据现场工人看泡时的观察重点利用图像中的气泡尺寸分布来表征泡沫图像，根据现场工人需要观察一段时间内泡沫状态来判断当前生产状态的特点提出用尺寸分布序列来数学化当前生产状态，并提出一种对泡沫尺寸序列的建模方法，降低了特征向量的维数。在预测算法中利用积累的大量数据采用改进的提升决策树算法，有效的抑制由于学习太快导致的过拟合问题，提高了泛化能力。实验证明本发明方法计算简单，执行速度较快，预测准确度较高，便于在现场实际操作，可即时指导现场操作，优化生产过程，解决了现锌矿品位在线检测难的问题。

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Номер записи: 78
13-04-2018 дата публикации

一种加氢裂化流程产品质量在线预测方法

Номер: CN106845796B
Автор: 夏海兵, 孙克楠, 孙备, 张旭, 李灵, 王雅琳, 袁小锋
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明提供一种加氢裂化流程产品质量在线预测方法。所述方法包括：S1基于产品质量离线化验时间前一个流程时滞时间窗口内的产品的敏感参数，利用多项式最小二乘法拟合得到所述产品敏感参数的稳态指数；S2基于所述产品敏感参数的稳态指数和所述产品敏感参数对所述流程的影响程度，利用Dempster规则构建系统稳态指数；根据系统稳态指数，获得产品质量离线化验时间前一个流程时滞时间窗口内系统处于稳态的稳态数据；S3基于所述稳态数据中各敏感参数在流程时滞时间窗口内的数据均值，利用随机森林产品质量在线预测模型实现所述产品的质量在线预测。本发明的方法充分利用加氢裂化全流程过程变量使得预测得到的质量能够反映全局运行状况。

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Номер записи: 79
09-12-2015 дата публикации

重症转运跟随车

Номер: CN105125351A
Автор: 肖艳超
Принадлежит: Second Xiangya Hospital of Central South University

本发明重症转运跟随车，包括车体，所述车体的上部设置有仪器放置台，所述车体的下部设置有支撑平台，所述仪器放置台和支撑平台通过支杆平行连接在一起，所述支撑平台的底部安装有万向轮。支撑平台靠近支杆的一侧设置有抢救箱放置盒。抢救箱放置盒一侧的顶部设置有氧气瓶存放筐。本发明将所有的抢救仪器设备集中有序的放置，使用方便，同时还节省了人力搬运，更加快捷，转运车的挂钩位置和支杆高度可以上下调整，以适应不同高度的病床的使用需求，护栏的设置能防止抢救的仪器设备在转运的过程中掉落。

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Номер записи: 80
11-05-2016 дата публикации

一种储能复合材料的制备方法

Номер: CN104312062B
Автор: 周科朝, 张斗, 李志友, 罗行, 陈超
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种储能复合材料的制备方法，通过使用海因环氧树脂包覆修饰陶瓷材料，然后与偏氟乙烯树脂或偏氟乙烯共聚物树脂基体复合，得到储能复合材料；本发明的制备方法简单，获得了在低电场下具有高储能密度的复合材料，且克服了无机陶瓷和有机高分子材料相容性不好和混合不均匀的问题。

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Номер записи: 81
28-04-2020 дата публикации

一种具有电磁波屏蔽性能的高强高导耐热Cu-Fe-Y-Mg合金材料及其制备方法

Номер: CN109022896B
Автор: 李周, 肖柱, 邱文婷, 龚深
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种具有电磁波屏蔽性能的高强高导耐热Cu‑Fe‑Y‑Mg合金材料及其制备方法，所述铜合金包括Cu、Fe、Mg、Y元素；且Fe的质量百分含量大于等于5％并小于Cu的质量百分含量，所述Fe均匀分布于合金材料中。该铜合金在成分设计上用大量廉价的铁元素，由于熔融状态下铜和铁不混溶，熔炼过程中，起始合金以铜为主，加入少量铁进行熔炼，溶化后，通过中间合金的方式加入Cu‑Fe中间合金，在熔炼再通过合金元素钇和镁的联合添加，起到变质剂的作用，促进凝固状态下铁相在铜基体中的均匀分布，使该体系合金产品最终具有性能均匀的、电磁波屏蔽性能和高强高导耐热性能。该铜合金材料适合非真空大规模产业化制造。

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Номер записи: 82
18-06-1997 дата публикации

铁精矿煤基直接还原法及所用的复合粘结剂

Номер: CN1035196C
Автор: 付伯诒, 代白红, 余克廷, 刘仲辉, 刘沂渊, 廖臣英, 张清岑, 徐经沧, 李树根, 杨有育, 蔡汝卓
Принадлежит: CENTRAL SOUTH UNIVERSITY, Luzhong Metallurgical Mining Company Ministry Of Metallurgical Industry

铁精矿煤基直接还原法及所用的复合粘结剂，属于直接还原铁生产领域。本发明采用有机物与无机物相配合的复合粘结剂，将铁精矿冷粘结成球，并以此为原料，在回转窑中采用快速升温的还原操作制度直接还原铁。该球团抗压300N/个左右、落下＞8次/1m、耐磨指数(-300mm)＜3%，冶金性能优良，在1050℃还原40分钟，金属化率即可达92%以上。该新工艺与采用氧化球团为炉料的“二步法”直接还原相比，设备投资少44.2%、产量可提高37.5%、节约能源33.32%、成本降低21.4%。

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Номер записи: 83
20-12-2019 дата публикации

一种含硅铝物料的脱硅方法

Номер: CN108892146B
Автор: 刘桂华, 周秋生, 彭志宏, 李小斌, 王洪阳, 项敏, 齐天贵
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明提供了一种含硅铝物料的脱硅方法，所述方法包括如下步骤：取铁氧化物、含硅铝物料和碳粉进行配矿、研磨、混合均匀后得到生料；将所得生料在1050～1200℃下，于还原气氛中焙烧，得到还原焙烧物料；将所得还原焙烧物料在900～1000℃下，于氧化气氛中焙烧，得到焙烧熟料；将所得焙烧熟料进行研磨、碱浸、固液分离后得到含硅碱液和脱硅渣；此发明在实现含硅铝物料中氧化铝和氧化硅高效分离，同样适用于难处理的高硅含铝矿物的脱硅，还可实现含硅碱液和赤泥的综合利用。能有效提高氧化铝纯净度和产品附加值，减少废物排放，经济效益显著。

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Номер записи: 84
13-09-2022 дата публикации

伤口智能测量方法及移动测量终端

Номер: CN108814613B
Автор: 张其健, 王时惠, 田含章, 胡建中, 黄伟红
Принадлежит: Xiangya Hospital of Central South University

本申请实施例提供一种伤口智能测量方法及移动测量终端，该方法包括：获得患者的身份标识，获得该身份标识对应的病史信息并显示；获取患者的包括伤口图像及参照尺图像的伤口图像信息；根据参照尺图像与伤口图像之间的关系获得伤口的长度及宽度，根据识别出的伤口边缘得到伤口的面积；将本次测量得到的伤口的长度、宽度、面积以及输入的伤口其他信息及治疗信息记录至该患者的本次测量记录中；根据多次测量过程中得到的该患者的多个测量记录得到患者的伤口评估动态变化图。通过以上过程，可为伤口治疗及愈合监控提供有效参考信息，且智能测量得到准确且全面的伤口信息，并对伤口治疗进行动态跟踪。在提高测量、治疗效率的同时，增加了临床应用价值。

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Номер записи: 85
25-09-2013 дата публикации

一种疏水/亲水性交联聚二乙烯苯/聚丙烯酰多乙烯多胺互贯聚合物网络及其制备方法

Номер: CN103319662A
Автор: 刘又年, 杨丽, 查宏伟, 梁晓磊, 王小梅, 陈立妙, 黄健涵
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种疏水/亲水性交联聚二乙烯苯/聚丙烯酰多乙烯多胺互贯聚合物网络及其制备方法，该交联聚二乙烯苯/聚丙烯酰多乙烯多胺互贯聚合物网络由交联聚丙烯酰多乙烯多胺贯穿在交联聚二乙烯苯大孔微球中形成；制备方法是先通过悬浮聚合制备交联聚二乙烯苯大孔微球，再在所得的交联聚二乙烯苯大孔微球中交联聚合生成交联聚丙烯酸甲酯，再经过与多乙烯多胺的胺化反应，即得；该制备方法简单、成本低；制得的互贯聚合物网络具有发达孔系，对同时具有疏水基团和亲水基团的小分子具有特殊的吸附选择性，特别适用于溶液中同时具有疏水和亲水基团的小分子的吸附分离。

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Номер записи: 86
10-05-2022 дата публикации

一种基于力导图的图神经网络可视分析方法

Номер: CN109977232B
Автор: 伍谷丰, 刘海英, 毕文杰, 潘毅, 王建新, 鲁鸣鸣
Принадлежит: CENTRAL SOUTH UNIVERSITY, Hunan University Of Finance And Economics

本发明公开了一种基于力导图的图神经网络(Graph NeuralNetwork，简称GNN)可视分析方法，该方法包括以下步骤：S1、构建图神经网络模型，统计图神经网络中间隐藏层参数或者中间隐藏层的输出；S2、构建力导图模型，将图网神经网络中间隐藏层参数或者中间隐藏层的输出作为力导图模型的输入；S3、根据力导图中节点的受力情况，迭代更新力导图中节点的位置，当图中所有节点受力平衡或者更新位移小于阈值时得到最终布局；本发明系统与方法对应；本发明从可视化角度观察图神经网络参数的更新过程，进而说明图神经网络的学习有效性，增强图神经网络的可解释性。

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Номер записи: 87
19-05-2010 дата публикации

采矿环境再造连续采矿嗣后充填采矿法

Номер: CN101105129B
Автор: 古德生, 周科平
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种采矿环境再造连续采矿嗣后充填采矿法，在矿体中部开采条形矿段，并垂直于该条形矿段在适当距离向两侧延伸开采适当宽度的矿段，采空区嗣后胶结充填，形成连续十字形胶结充填顶板支撑框架结构；该框架结构同时将矿体划分为若干间隔独立矿段，在矿体内重构造了一个新开采环境；在该环境中以独立矿段为回采单元，或间隔或平行回采，采空区嗣后非胶结充填，实现整个矿体连续开采，用下向平行垂直深孔侧向崩矿，沿矿块方向以双堑沟或单堑沟为底部结构，通过装矿，经阶段溜井下放到下阶段主运输平巷，井下机车运输出矿。开采环境安全可靠，矿石回收率和生产率大幅提高，损失贫化得到了有效控制，并使得生产成本大大降低。

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Номер записи: 88
03-04-2013 дата публикации

一种离子印迹羟肟酸螯合树脂的制备方法

Номер: CN103012677A
Автор: 刘广义, 夏柳荫, 曹占芳, 王帅, 钟宏
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种离子印迹羟肟酸螯合树脂的制备方法，使用丙烯基羟肟酸与锰、铜、钴、镍、镧、铈、钇、镨、钕等印迹金属离子配位后，在交联剂和引发剂的作用下使丙烯基羟肟酸-金属离子螯合物聚合，然后再将印迹金属离子洗脱，得到离子印迹羟肟酸螯合树脂。本发明的方法反应条件温和、反应效率高，制备的树脂具有吸附容量高、吸附选择性高等优点。

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Номер записи: 89
15-12-2010 дата публикации

一种片状氧化铁的制备方法

Номер: CN101913657A
Автор: 刘辉, 叶红齐, 李友凤, 韩凯
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种片状氧化铁的制备方法，包括以下步骤：将六水合三氯化铁、复合熔盐以及添加剂共同溶解在稀硫酸中配制前驱体溶液；然后在100℃～150℃条件下干燥24～36小时至无水，研磨得到前驱体粉末后，在900℃～1200℃温度下煅烧2～6小时；最后经水浴搅拌、洗涤、过滤、干燥得片状氧化铁产品。本发明采用湿法结晶代替传统的干法混合制备前驱体，有效解决了产品团聚问题，并引入添加剂氧化铝或氧化锌起到晶型向导的作用，其产品为六角形片状，表面平坦光滑，颗粒分散性能良好，平均粒径为20～60μm，厚度均匀分布在0.4μm左右，径厚比为50～150。制备出的片状氧化铁产品，可作为一种无机防锈材料广泛应用于防腐功能涂料、高档珠光颜料及化妆品。

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Номер записи: 90
05-06-2018 дата публикации

一种酶法水解三文鱼胶原制备抗氧化肽与抗冻肽的工艺

Номер: CN108118077A
Автор: 何海伦, 刘丹, 吴日帮, 廖斌强, 张姜, 杨兴昊, 武翠玲, 黄嘉丰
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明设计一种酶解胶原蛋白同时制备抗氧化肽与抗冻肽的工艺，其方法是以三文鱼皮为原料提取胶原蛋白，利用 Vibrio sp.SQS2‑3发酵所得的胞外蛋白酶粗酶液将其水解成短肽溶液，通过3000 Da超滤管4500×g离心超滤45min后获得具有保护肌球蛋白和减缓其Ca 2+ ‑ATPase活性在反复冻融中下降作用的抗冻肽，通过Sephadex LH‑20凝胶过滤层析分离下层超滤组份后，获得具有清除DPPH自由基、羟自由基以及对DNA氧化损伤具有一定抑制的能力，并且在氧自由基吸收能力检测中显示出浓度依赖的抗氧化活性的抗氧化肽。LC‑MS技术鉴定出该抗氧化组分含有19条多肽。

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Номер записи: 91
12-02-2019 дата публикации

一种丙烯酸和磺化二羟丙基壳聚糖改性聚砜膜及其制备方法

Номер: CN109316986A
Автор: 王灿, 邱运仁
Принадлежит: CENTRAL SOUTH UNIVERSITY

一种丙烯酸和磺化二羟丙基壳聚糖改性聚砜膜及其制备方法。本发明先通过紫外接枝在聚砜膜(PSF膜)表面接枝丙烯酸(AA)，得到丙烯酸改性聚砜膜(AA‑PSF膜)；再利用羧基与氨基的缩合反应，将磺化二羟丙基壳聚糖(SDHPCS)接枝在AA‑PSF膜表面，得到丙烯酸和磺化二羟丙基壳聚糖改性聚砜膜(SDHPCS‑AA‑PSF膜)。本发明的特点是以聚砜膜作为基膜，膜表面先接枝丙烯酸，再接枝磺化二羟丙基壳聚糖，得到丙烯酸和磺化二羟丙基壳聚糖改性聚砜膜具有良好的亲水性和抗凝血性；且制备工艺简单，条件温和易控。

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Номер записи: 92
01-02-2017 дата публикации

一种用于除砷的改性生物炭材料、其制备及应用

Номер: CN106362685A
Автор: 史力争, 吴川, 崔梦倩, 薛生国, 黄柳
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明涉及一种用于除砷的改性生物炭材料、其制备及应用，制备方法包括：将生物质原料粉末加入到经超声分散的赤泥和水的悬浮液中，搅拌混匀然后固液分离；将得到的生物质和赤泥混合物在非氧化气氛下焙烧，焙烧温度550～650℃，得到炭化产物，即为改性生物炭材料。本发明原料来源广泛，制备方便，并且对含砷废水具有较高的吸附性能，易进行大规模的生产，应用前景良好。

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Номер записи: 93
12-09-2007 дата публикации

红土镍矿熔融还原制取镍铁合金工艺

Номер: CN101033515A
Автор: 崔瑜, 徐小锋, 朱德庆, 李启厚, 潘建, 邱冠周
Принадлежит: CENTRAL SOUTH UNIVERSITY

红土镍矿熔融还原制取镍铁合金工艺，首先将红土镍矿中的氧化镍和赤铁矿预还原转化为金属镍和金属铁或四氧化三铁，然后利用湿式磁选，使镍铁大幅度富集的同时，脉石及硫、磷等有害元素被脱除，最后将预还原得到的镍铁精矿进行熔融还原制备镍铁合金。本发明具有工艺流程简单，技术指标先进的特点，可适应不同品位的红土镍矿资源；能综合利用红土镍矿中的镍和铁，有助于解决我国铁矿资源紧缺和镍资源奇缺的状况；利用非焦煤或少量焦作还原剂，成本低，环境好；可生产镍6－10％，铁85－90％的镍铁合金，镍铁收率大于85％，硫磷低于0.03％。

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Номер записи: 94
07-08-2020 дата публикации

一种新型两性手性选择剂cec整体柱的制备及用途

Номер: CN111495341A
Автор: 张思, 沈静茹, 覃信铭, 陆金富
Принадлежит: South Central University for Nationalities

本发明涉及毛细管电色谱整体柱的制备及应用技术领域，公开了一种双[‑6‑N‑(咪唑基‑2‑氨基‑丙酸‑3‑)]‑β‑CD（β‑CD‑E 2 ）毛细管电色谱（CEC）整体柱的制备及应用，用β‑CD‑E 2 制备成CEC柱，可对手性物质对映异构体进行拆分。本发明内容包括：1、用β‑CD‑E 2 构建手性环境，与次功能单体等制备成独特的手性CEC柱，应用于高效毛细管电泳中。2、通过适当的表征手段寻找最佳配方及条件，对方法及条件优化。3、用所制得的带有酸碱两性基团的β‑CD‑E 2 制成手性CEC柱可拆分手性化合物，建立了四种受体拮抗剂：盐酸特拉唑嗪（TER）、盐酸异丙嗪（PMZ）、甲磺酸多沙唑嗪（DOX）和羟丙哌嗪（DROP）；两种除草剂：咪唑乙烟酸（IMZR）和甲咪唑烟酸（IMZC）等多种手性化合物的对映体拆分和定性定量分析方法。

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Номер записи: 95
14-09-2021 дата публикации

一种降低焦锑酸钠粒度的制备方法

Номер: CN110015688B
Автор: 唐磊, 徐徽, 曹升, 李计深, 杨喜云, 石西昌
Принадлежит: CENTRAL SOUTH UNIVERSITY, Shiny Materials Science & Technology Inc

本发明公开了一种降低焦锑酸钠粒度的制备方法，包括以下步骤：步骤(1)：三氧化二锑、双氧水预先进行氧化反应；步骤(2)：步骤(1)反应结束后，向反应体系中投加表面活性剂和氢氧化钠，进行沉淀反应；沉淀反应结束后经固液分离、洗涤、干燥处理，得到细粒径的焦锑酸钠。本发明以三氧化二锑为原料，用双氧水充分氧化三氧化二锑，并加入表面活性剂促进晶粒的细化，然后加入氢氧化钠溶液进行充分反应，所产生的沉淀经洗涤，得到最终产品超细焦锑酸钠。本发明与传统工艺相比，采用先加双氧水氧化，再加氢氧化钠反应；而传统工艺则是先加氢氧化钠，再加双氧水。传统工艺得到的焦锑酸钠粒度一般为40um左右，而本发明在晶粒粒度上有非常大的改善。

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Номер записи: 96
08-08-2017 дата публикации

一种红土镍矿选择性还原制备镍铁精矿的方法

Номер: CN107022678A
Автор: 朱德庆, 李启厚, 李紫云, 梁钟仁, 潘建, 田宏宇, 郭正启
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明提供了一种红土镍矿选择性还原制备镍铁精矿的方法，所述方法具体包括以下步骤：将红土镍矿、还原剂和添加剂混合得到混合物；将混合物进行压块得到生团块；将生团块干燥后，在还原性气氛下进行选择性还原得到还原产物；将还原产物进行磨矿、磁选得到镍铁精矿。本发明的制备方法在降低选择性还原的温度的同时，抑制铁的还原，提高还原过程的选择性，从而达到强化腐殖土型红土镍矿中镍的直接还原效果，其制备的镍铁精矿具有较高的品位和回收率。

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Номер записи: 97
29-04-2022 дата публикации

一种皮肤减张器

Номер: CN111658042B
Автор: 张博友, 张�杰, 徐姣, 朱动明, 王李佳, 王静成
Принадлежит: Second Xiangya Hospital of Central South University

本发明公开一种皮肤减张器，包括导向架和两个滑块，两个滑块位于皮肤创口两侧，导向架的延伸方向垂直于滑块的延伸方向，导向架上设置有同向延伸的滑槽，滑块的上端活动安装于滑槽内，滑块的下端安装有穿过皮肤的固定针，导向架上平行安装有调节螺杆，调节螺杆螺纹连接滑块，用于驱动两个滑块相互靠近或远离。通过两个滑块下端的固定针固定创口两侧的皮肤，然后通过调节螺杆调整两个滑块的距离，进而调整牵引距离，对于创口较大、皮肤缺损较多的患者治疗时，能够实现量化、稳定、持续、有效的牵引。

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Номер записи: 98
01-05-2013 дата публикации

一种双配体硫脲捕收剂及其制备和在金属矿浮选中的应用

Номер: CN103071599A
Автор: 任恒, 刘广义, 曹占芳, 王帅, 肖静晶, 钟宏
Принадлежит: CENTRAL SOUTH UNIVERSITY

一种双配体硫脲浮选捕收剂——N,N’-亚烃二氧基羰基-N”,N”’-二烷氧丙基双硫脲化合物及其制备方法和在金属矿石浮选中的应用，其特征在于将如式(Ⅰ)所示的N,N’-亚烃二氧基羰基-N”,N”’-二烷氧丙基双硫脲化合物作为捕收剂从有色金属矿石和贵金属矿石中高效浮选回收有价金属矿物。 其中R 1 代表C 1 -C 16 的烷基、芳基和芳烷基，或R 3 OR 4 ，其中R 3 代表C 1 -C 3 的烷基、R 4 代表C 1 -C 16 的亚烷基、芳基和芳亚烷基；R 2 代表C 2 -C 18 的亚烃基、或通式为-R 5 -(OR 5 ) n -的含醚烃基，式中R 5 为亚乙基或亚丙基，n=1-4；R 1 、R 2 相互独立。

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Номер записи: 99
24-12-2014 дата публикации

一种镍基材料的应用

Номер: CN104241638A
Автор: 华传山, 张亮, 彭忠东, 曹雁冰, 杜柯, 梁龙伟, 胡国荣
Принадлежит: CENTRAL SOUTH UNIVERSITY

本发明公开了一种镍基材料的应用，其特征在于，将镍基材料应用作为抗湿度锂离子电池正极材料，所述镍基材料包括位于核层的富镍正极材料Li(Ni 1-x M x )O 2 ，其中0＜x≤0.4，M选自Co、Mn、Al、Fe、Mg、Zn、Ti、Si中的至少一种；以及包覆在核层表面的贫镍壳层Li(Ni 1-y M y )O 2 ，其中0.6＜y＜1，M选自Co、Mn、Al、Fe、Mg、Zn、Ti、Si中的一种或几种，贫镍壳层占镍基材料的1～40wt％。将本发明的镍基材料应用作为锂离子电池正极材料，能够获得核层与壳层连接紧密，不易脱落，且具有优异的抗湿度性能和电化学性能的锂离子电池正极材料。

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Номер записи: 100