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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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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 45. Отображено 45.
28-04-2011 дата публикации

CAROTENOID DERIVATIVES, PREPARATION METHOD AND USE THEREOF

Номер: WO2011047530A1
Автор: LI, Yanmei, LIU, Qinghua
Принадлежит:

Compounds having the structure of general formula I or pharmaceutically acceptable salts thereof which are derivatives of fucoxanthin and fucoxanthol are disclosed. A preparation method of the compound and its use in weight reducing are also disclosed.

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23-06-2023 дата публикации

Application of Chinese and western compound medicine in preparation of medicine for treating leukemia

Номер: CN116270787A
Принадлежит:

The invention discloses application of a Chinese and western compound medicine to preparation of a medicine for treating leukemia. The Chinese and western compound medicine is prepared from honeysuckle, common andrographis herb, isatis root, dandelion, acetaminophen, amantadine hydrochloride and chlorpheniramine maleate. The Chinese and western compound medicinal preparation can be used for treating leukemia by inhibiting the proliferation of leukemia cells and repairing the immune function of leukemia patients, wherein the leukemia comprises human acute myelocytic leukemia, acute lymphocytic leukemia, chronic myelocytic leukemia or chronic lymphocytic leukemia.

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13-04-2021 дата публикации

Anti-backfire oxygen lance for hot repair of steel ladle

Номер: CN212945406U

The utility model provides an anti-backfire oxygen burning gun for hot repair of a steel ladle. The anti-backfire oxygen burning gun comprises an anti-backfire oxygen burning device, an oxygen blowing pipe, a leather pipe and an air source, the anti-backfire oxygen-burning device comprises a gun head, a gun tail and a gun body tightening device; wherein one end of the oxygen blowing pipe is inserted into the gun head, one end of the leather pipe is connected with an air source, the other end of the leather pipe is inserted into the gun tail, the oxygen blowing pipe and the leather pipe are connected in the gun tail and locked through a hoop, and the gun body tightening device is arranged between the gun head and the gun tail and used for tightening or loosening the oxygen blowing pipe inserted into the gun head. The problem that when residual steel and residues are removed through oxygen blowing in the ladle hot repair process, tempering is prone to being caused at the contact position ...

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16-06-2023 дата публикации

Blade root forming die

Номер: CN116262379A
Принадлежит:

The blade root forming die comprises an upper die plate, two upper die movable blocks, two side pressing plates, a lower die plate, a lower die movable block and a core die, an upper groove is formed in the bottom face of the upper die plate, a shape follow-up block is fixedly connected to the middle of the bottom of the upper groove, and the two sides of the shape follow-up block penetrate through the two sides of the upper die plate; the two upper die movable blocks are connected into the upper grooves in a sliding mode along the two sides of the upper die plate respectively. The top surface of the lower template is provided with a lower groove corresponding to the upper groove, and the front end surface of the lower template is provided with a lower half hole corresponding to the upper half hole; the lower die loose piece is detachably connected to the lower groove; the upper half hole and the lower half hole form a core mold insertion hole; the core mold can be inserted into or pulled ...

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08-03-2018 дата публикации

DIRECT-CURRENT FAULT RIDE-THROUGH METHOD AND COMPUTER STORAGE MEDIUM

Номер: WO2018040466A1
Принадлежит:

A direct-current fault ride-through method, wherein same is applied to a hybrid multi-terminal high-voltage direct-current transmission system. The hybrid multi-terminal high-voltage direct-current transmission system comprises at least two line commutated converter (LCC) type converter stations and at least one full-bridge modular multilevel converter (FB-MMC) type converter station. The method comprises: when a direct-current fault signal is detected, forcing an LCC type rectifier to perform a phase shift, so as to rapidly inhibit a fault current, with the LCC type rectifier being a converter in the LCC type converter stations for rectification; switching an FB-MMC type converter to a direct-current control mode, the FB-MMC type converter being a converter in the FB-MMC type converter station; after it is detected that the direct-current fault signal disappears, detecting a stable running signal of the LCC type rectifier; and after the stable running signal is detected, switching the ...

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04-06-2015 дата публикации

ON-LINE LOGIN AND LOGOUT CONTROL METHOD FOR CONVERTER OF PARALLEL HIGH-VOLTAGE DIRECT-CURRENT POWER TRANSMISSION SYSTEM

Номер: WO2015078232A1
Принадлежит:

An on-line login and logout control method for a converter of a parallel high-voltage direct-current power transmission system. The method is based on the voltage and current operation control manners of the traditional parallel high-voltage direct-current power transmission, i.e. a rectifier station adopts constant current control, and an inverter station adopts constant voltage control. A current balance controller is particularly added to an inverter side, and operates in the case of unlocking two converters simultaneously for eliminating an unbalance phenomenon which is generated when the two converters conduct voltage control independently.

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22-07-2010 дата публикации

A COMPOSITION COMPRISING EXTRACTION OF FUCOXANTHIN

Номер: WO2010081259A1
Автор: LI, Yanmei, LIU, Qinghua
Принадлежит:

A composition comprises extraction of fucoxanthin, wherein said composition further comprises tocotrienols and/or fucoidan. Said composition can be used to treat obesity.

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31-05-2018 дата публикации

METHOD FOR IDENTIFYING SINGLE POLE GROUND FAULT IN VSC-DC POWER DISTRIBUTION NETWORK, AND SINGLE POLE GROUND FAULT PROTECTION METHOD FOR VSC-DC POWER DISTRIBUTION NETWORK

Номер: WO2018094862A1
Принадлежит:

Provided are a method for identifying a single pole ground fault in a VSC-DC power distribution network, and a single pole ground fault protection method for a VSC-DC power distribution network. The method comprises: acquiring voltages to ground (UP, UN) of positive and negative DC lines, acquiring a voltage change rate between the positive and negative DC lines; if an absolute value of the voltage change rate between the positive and negative DC lines is greater than a first comparison threshold (dUdcset), generating a pulse signal and stretching the pulse signal to a preset value (t1), and if an absolute value of a sum of the voltage to ground (UP) of the positive DC line and the voltage to ground (UN) of the negative DC line is greater than a second comparison threshold (Udcunbalset) for a duration exceeding a time threshold (t2), determining that a single pole ground fault has occurred. The method enables quick identification of a single pole ground fault. In the invention, a DC circuit ...

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30-05-2023 дата публикации

Remote sensing image adaptive segmentation method based on land utilization type

Номер: CN116188496A
Принадлежит:

The invention relates to the technical field of image segmentation in the technical field of image processing, in particular to a remote sensing image adaptive segmentation method based on a land utilization type, and the method comprises the steps: carrying out the preliminary clustering segmentation of a land remote sensing image based on color information, and obtaining a target connected domain of a field region and a mountain region; obtaining a suspected shadow region connected domain corresponding to the target connected domain, dividing the suspected shadow region connected domain into at least two layers of pixel points, and then calculating the probability that a target region corresponding to the suspected shadow region connected domain belongs to a mountain region; the fuzzy C-means clustering model is corrected according to the probability, image re-segmentation is carried out based on the corrected fuzzy C-means clustering model, local range feature analysis is carried out ...

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28-04-2011 дата публикации

CAROTENOID DERIVATIVES, PREPARATION METHOD AND USE THEREOF

Номер: WO2011047530A8
Автор: LI, Yanmei, LIU, Qinghua
Принадлежит:

Compounds having the structure of general formula I or pharmaceutically acceptable salts thereof which are derivatives of fucoxanthin and fucoxanthol are disclosed. A preparation method of the compound and its use in weight reducing are also disclosed.

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25-06-2015 дата публикации

ON-LINE DEBLOCKING AND BLOCKING CONTROL METHOD FOR EXTRA-HIGH VOLTAGE DIRECT CURRENT TRANSMISSION PROJECT CONVERTER

Номер: WO2015090100A1
Принадлежит:

An on-line deblocking and blocking control method for extra-high voltage direct current transmission project converter; through control of a firing angle of an SCA shielding pole layer,, a self-calculation trigger angle is outputted, allowing the voltage across two ends of a valve group to be zero; at the same time tracking current of the valve group using a PI regulator, pulling open a bypass breaker BPS after the current in the bypass breaker BPS is reduced to a breaking capacity so as to complete an on-line deblocking process of the valve group. In a blocking process, transfer of direct current is completed by limiting the firing angle outputted by a current control amplifier, and then implementing a by-pass pair and blocking, thus achieving blocking of the valve group online. The method has faster deblocking and blocking speed, a smaller transient state (overvoltage, overcurrent) in a start process, has a smaller reactive power impact on an alternating current system, while also ensuring ...

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11-08-2011 дата публикации

USE OF BLACK SOYBEAN SEEDCOAT EXTRACTS IN MANUFACTURE OF PRODUCTS FOR PREVENTING AND TREATING OSTEOARTHRITIS

Номер: WO2011095021A1
Принадлежит:

The use of black soybean seedcoat extracts in the manufacture of foods, health care products and medicaments is provided in the present invention. The black soybean seedcoat extracts can be added into foods or drinks, and also can be made into all kinds of health care products and medicaments for oral use by conventional methods of preparing Chinese drugs preparations. The said products can significantly improve symptoms of osteoarthritis, and also can stabilize or even reverse the degradation of cartilage in osteoarthritis.

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08-03-2018 дата публикации

YEAST AND USE THEREOF IN CATALYTICAL SYNTHESIS OF 2,5-DIHYDROXYMETHYLFURAN

Номер: WO2018040372A1
Принадлежит:

Provided are a yeast and a method for catalyticaly synthesizing 2,5-dihydroxymethylfuran by using the same. The yeast is Meyerozyma guilliermondii SC 1103 deposited in the China Center for Type Culture Collection with CCTCC NO.M 2016144. The method for catalytically synthesizing 2,5-dihydroxymethylfuran by using the yeast comprises: introducing activated Meyerozyma guilliermondii SC 1103 into a buffer containing 2,5-hydroxymethylfurfural and glucose, and reacting under certain conditions to produce 2,5-dihydroxymethylfuran.

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05-04-2012 дата публикации

USE OF FUCOXANTHIN IN THE PREPARATION OF PRODUCT HAVING NEUROPROTECTIVE EFFECT ASSOCIATED WITH NEURODEGENERATIVE DISORDER AND IMPROVING MEMORY

Номер: WO2012040938A1
Автор: LI, Yanmei, LI, Liang
Принадлежит:

Use of fucoxanthin in the preparation of a product having neuroprotective effect associated with neurodegenerative disorder and improving memory is disclosed in the present invention. A product having neuroprotective effect associated with neurodegenerative disorder is also disclosed in the present invention. Fucoxanthin can inhibit oxidative stress of cells and has the effect of preventing or treating Alzheimer's disease and improving memory.

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29-08-2023 дата публикации

Application of protein TaGH9-9A in regulation and control of pollen development

Номер: CN116656653A
Принадлежит:

The invention relates to the technical field of agricultural biology, in particular to application of protein TaGH9-9A to regulation and control of pollen development. According to the invention, a wheat photo-thermo-sensitive male sterile line BS366 is taken as an experimental material, the coding gene for regulating and controlling the pollen development related protein TaGH9-9A is obtained, the coding gene is introduced into arabidopsis thaliana, and the result shows that the pollen development of the arabidopsis thaliana is abnormal. The related protein for regulating pollen development and the coding gene thereof have very important theoretical and practical significance for improving plant varieties and shortening the crop harvesting period.

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31-03-2016 дата публикации

INFORMATION PRESENTATION METHOD BASED ON INPUT AND INPUT METHOD SYSTEM

Номер: WO2016045465A1
Автор: LI, Yanmei, LI, Ping
Принадлежит:

An information presentation method based on input and an input method system solve the problem of low efficiency due to separately inputting words and expressions in an input method. The method comprises: adopting context information to identify a received input character string, to identify a current semantic keyword (102); determining presentation information matching the semantic keyword, and presenting the presentation information in the form of a pop-up bubble (104), wherein the presentation information comprises but is not limited to an expression picture; and displaying the presentation information according to a user instruction (106), wherein the displaying comprises but is not limited to performing an on-screen operation on the expression picture. A current semantic keyword identified by the method and device is not limited to a candidate item corresponding to an input character string, and semantic identification based on context information better meets an input intention of ...

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11-07-2023 дата публикации

Device and method for detecting horizontal bearing capacity of overwater large-diameter high pile foundation

Номер: CN116411596A
Принадлежит:

The invention discloses a device and a method for detecting the horizontal bearing capacity of an overwater large-diameter high pile foundation. The device at least comprises a first loading cable, a second loading cable, a third loading cable, a force transmission cable, a marking cable, a first fixed pulley, a second fixed pulley, a first fixed pulley support, a second fixed pulley support, a first adjustable triangular support, a second adjustable triangular support, a marking cable support, a bottom support, a large-tonnage high-precision dynamometer and a first test ship. A first anchor chain, a second anchor chain, a first anchor fluke and a second anchor fluke; one end of the loading cable is connected with the pile outer wall; one end of the force transmission cable is connected with the loading cables connected with the test piles, and the other end of the force transmission cable bypasses the fixed pulley, is connected with the large-tonnage high-precision dynamometer and the ...

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18-10-2018 дата публикации

FULL-BRIDGE MMC ACTIVATION CONTROL METHOD, SYSTEM, AND STORAGE MEDIUM

Номер: WO2018188350A1
Принадлежит:

A full-bridge modular multilevel converter (MMC) activation control method and system: each phase bridge arm among a three-phase bridge arm comprises at least two sub-bridge arms, and each sub-bridge arm comprises thereon a full-bridge MMC sub-module; the direction of a current which flows through each sub-bridge arm is detected (S301); a working state of an auxiliary circuit breaker on a corresponding sub-bridge arm, which is connected in parallel to a full-bridge MMC sub-module, is determined according to the detected current direction (S302); whether the full-bridge MMC sub-module on the corresponding sub-bridge arm continues to carry out charging is determined by means of the working state of the auxiliary circuit breaker (S303). As such, direct current bus voltage will not experience significant sudden changes during unlocking, greatly reducing impact current during unlocking, and improving the security and reliability of a system.

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25-04-2023 дата публикации

Lipid nanoparticle, delivery system and preparation method of delivery system

Номер: CN115998714A
Принадлежит:

The invention relates to a lipid nanoparticle, a delivery system and a preparation method of the delivery system, belongs to the field of biological medicine, and provides a lipid nanoparticle containing two cationic lipid molecules. As a carrier, the nano-lipid particles can efficiently deliver mRNA to in-vivo cells, so that mRNA molecules can translate and express related vaccine antigens in the cells, activation of an acquired immune system is realized under the background of starting an innate immune response system in the cells, and the immune response system is activated. The encapsulation efficiency of a delivery system prepared by taking the lipid nanoparticles as a carrier on mRNA molecules reaches 95% or above, and the effectiveness and the safety of the delivery system are equal to those of an existing LNP system.

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21-04-2022 дата публикации

TRANSIENT VOLTAGE CONTROL METHOD AND APPARATUS FOR ULTRA-HIGH-VOLTAGE HYBRID DIRECT-CURRENT POWER TRANSMISSION SYSTEM

Номер: WO2022078527A1
Принадлежит:

A transient voltage control method and apparatus for an ultra-high-voltage hybrid direct-current power transmission system. The method comprises: superimposing an LCC direct-current voltage reference value Udcref output by upper control onto a voltage adjustment amount ΔUdcLCC processed by a transient voltage controller, and outputting a final LCC direct-current voltage reference value; after calculating the difference between a direct-current voltage actual value UdcLCC and the final LCC direct-current voltage reference value, inputting same into a PI controller for adjustment, and outputting a cosine value of a trigger angle; and by means of inverse cosine calculation, outputting a trigger angle of an inverter station. In the method, after a fault in an alternating-current system is cleared, an LCC transient voltage controller appropriately reduces a voltage reference value according to a VSC overvoltage situation and a voltage drop of a direct-current line, such that during a system ...

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18-08-2023 дата публикации

Regulation reagent of hexokinase 2 or c-Myc and application of regulation reagent in preparation of medicine for treating leukemia

Номер: CN116602956A
Принадлежит:

The invention relates to the technical field of cancer treatment drugs, in particular to a hexokinase 2 (HK2) or c-Myc regulation reagent and application thereof in preparation of drugs for treating leukemia. The research finds that the c-Myc positively regulates and controls the expression of the HK2; the proliferation of cancer cells can be hindered by using shRNA to inhibit HK2; the melia azedarach is used for inhibiting the expression of c-Myc and HK2 and the combination of the c-Myc and the HK2. ShRNA and melia azedarach are used as regulation and control reagents to be applied to treatment of related diseases taking HK2 as a target spot; or shRNA and melia azedarach are used as a c-Myc protein expression inhibitor, an HK2 protein expression inhibitor, a gene transcription inhibitor and a c-Myc and HK2 binding blocker to be applied to mechanism research of occurrence and development of diseases as research tools. According to the technical scheme, the technical problem that drugs taking ...

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30-08-2018 дата публикации

FLEXIBLE DIRECT-CURRENT POWER DISTRIBUTION NETWORK SINGLE-POLE GROUND FAULT RECOGNITION METHOD AND APPARATUS, AND STORAGE MEDIUM

Номер: WO2018153137A1
Принадлежит:

A flexible direct-current power distribution network single-pole ground fault recognition method and apparatus, and a computer storage medium. The method comprises: 1) acquiring a current in and a voltage to ground at a positive direct-current bus on an outlet of a converter, a current in and a voltage to ground at a negative direct-current bus, a positive current of a direct-current line connected to the positive direct-current bus and a negative current of a direct-current line connected to the negative direct-current bus (101); and 2) when the absolute value of the sum of the voltage to ground at the positive direct-current bus on the outlet of the converter and the voltage to ground at the negative direct-current bus is greater than a pre-set voltage threshold, and a differential current change rate between the current in the positive direct-current bus on the outlet of the converter and the positive current in a direct-current line connected to the positive direct-current bus, or between ...

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23-06-2023 дата публикации

Engineered myeloid cell as well as preparation method and application thereof

Номер: CN116271054A
Принадлежит:

The invention relates to the field of vaccines, in particular to an engineered myeloid cell as well as a preparation method and application thereof. The present invention provides an antigen-modified gel, an engineered myeloid cell and uses thereof, the antigen-modified gel comprising a plurality of immunostimulants and tumor antigens, the antigen-modified gel attracting mononuclear cells to migrate into and differentiated into antigen presenting cells, the activated and antigen-loaded mononuclear cells further migrate out of the gel and go to lymph nodes, and the engineered myeloid cell is formed. The anti-tumor immune response of T cells and other lymphocytes can be efficiently induced.

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23-05-2023 дата публикации

Lipid delivery system and virus-like structure vaccine formed by lipid delivery system

Номер: CN116139108A
Принадлежит:

The invention relates to a lipid delivery system and a virus-like structure vaccine formed by the lipid delivery system, and provides lipid particles capable of wrapping SARS-CoV-2 virus specific antigen coding mRNA molecules, and after the lipid particles wrap the SARS-CoV-2 virus specific antigen coding mRNA molecules, under the condition of a specific buffer solution, the SARS-CoV-2 virus specific antigen coding mRNA molecules are separated from the lipid particles. According to the present invention, the SARS-CoV-2 virus S1 antigen protein can be embedded into the envelope structure surface of the lipid so as to form the vaccine having the virus-like structure with the internal mRNA molecule wrapping the coding antigen and the capability of the required virus antigen protein on the outer membrane, and the vaccine has the specific antibody induction ability superior to the SARS-CoV-2 virus mRNA vaccine and the polypeptide vaccine, can maintain the high antibody level, and can be used ...

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12-05-2023 дата публикации

Voltage class optimization method and device for offshore wind power flexible direct current sending-out system

Номер: CN116111625A
Принадлежит:

The invention relates to a voltage class optimization method and device for an offshore wind power flexible direct current sending-out system, and direct current voltage class optimization design is carried out based on a genetic algorithm by taking economical efficiency optimization as a target. The main equipment parameters and the system cost are calculated within the direct-current voltage and sub-module capacitance average voltage range meeting the main equipment type selection requirement, the direct-current voltage level with the lowest system cost and the sub-module capacitance average voltage are selected, and the situation that the voltage level excessively depends on the direct-current cable parameters is avoided. According to the technical scheme provided by the invention, the population aggregation degree is monitored in the genetic iteration process, and the population with relatively high aggregation degree is reinitialized in the last stage of evolution, so that over assimilation ...

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25-08-2023 дата публикации

Method for carrying out impedance amplitude-frequency characteristic scanning on RTDS model based on positive and negative zero domains

Номер: CN116643548A
Принадлежит:

The embodiment of the invention provides a method for carrying out impedance amplitude-frequency characteristic scanning on an RTDS model based on positive and negative zero domains. The method comprises the following steps: constructing a power grid model in a real-time digital simulation system RTDS; creating a functional block for generating a harmonic voltage signal; a script is created, the frequency of the harmonic voltage is modified in a stepping mode within a specific frequency range, and harmonic voltage injection can be conducted once every time the frequency is modified; the functional block injects harmonic waves into a specified port of the power grid model, executes the script, detects voltage and current output by the specified port, and stores voltage and current data files; and voltage and current data files are read by adopting matlab, and impedance amplitudes and phase angles under different frequencies are calculated. Due to the fact that the Fourier transform link ...

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06-07-2016 дата публикации

Full -automatic limit seam sewing machine

Номер: CN0205368676U
Автор: LI YANMEI
Принадлежит:

... 本实用新型公开了全自动边缝缝纫机,其机架结构顶端的两侧安装有Y向驱动导轨,两根Y向驱动导轨的上部安装有龙门架结构,龙门架结构为桥式结构可沿Y向驱动导轨移动。所述的龙门架结构顶部的横梁的一侧安装有X向移动模组,弹簧压布机构安装于X向移动模组的移动端;所述的三同步缝纫机机头安装于机头机架顶部,三同步缝纫机机头朝向X向移动模组,并与弹簧压布机构相对应。自动边缝缝纫机结合模板缝制技术,通过控制缝制品在XY平面内的移动,结合三同步缝纫机机头的缝制,完成对布料边沿的缝制,保证了线迹的一致性,人工参与度低,劳动强度低,效率高。 ...

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08-08-2023 дата публикации

Hypergravity neutralization process for petroleum sulfonate

Номер: CN116554064A
Принадлежит:

The invention relates to a hypergravity neutralization process for petroleum sulfonate. The problems that existing operation equipment is prone to causing corrosion of related pipelines, blocking of process pipeline elbows and low active matter content of products are mainly solved. The method comprises the following steps: S1, pumping alkali liquor into a high-gravity reactor from an alkali adding pump, and uniformly spraying the alkali liquor on a three-dimensional filler under high pressure under the action of a distributor; s2, the sulfonic acid and the unsulfonated oil liquid in the gas-liquid separator are pumped into the supergravity reactor through a sulfonic acid discharging pump; s3, carrying out neutralization reaction on sulfonic acid, unsulfonated oil liquid and alkali liquor on the filler of the supergravity reactor; s4, enabling a part of the product mahogany petroleum sulfonate generated by the neutralization reaction to pass through a neutralization circulating pump, and ...

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11-04-2023 дата публикации

RTDS simulation method and device for optimizing equivalent AC voltage source

Номер: CN115952648A
Принадлежит:

The invention relates to the field of power system simulation, and discloses an RTDS simulation method and device for optimizing an equivalent AC voltage source, and the device comprises a steady state discrimination module and an AC voltage control module. The steady state judgment module is used for judging whether the system reaches a steady state or not; the AC voltage module is used for controlling an equivalent AC voltage source; calculating an AC voltage value of an actual project, and subtracting the AC voltage value from a target AC voltage value to obtain a voltage error; carrying out closed-loop control on the voltage error through an integration link so as to eliminate the error, and transmitting a voltage signal after the error is eliminated to an equivalent alternating-current voltage source; the size of the time constant of the integration link is selected according to the system state: when the system reaches a steady state, a larger time constant is selected; otherwise, ...

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18-08-2023 дата публикации

New energy power generation system containing energy storage and control method thereof

Номер: CN116613797A
Принадлежит:

The invention relates to a new energy power generation system containing energy storage and a control method thereof, and belongs to the technical field of wind power generation. After the new energy power generation system containing energy storage is started, the new energy power generation system is controlled to enter stable operation, and after the power generation system is in stable operation, control modes of a machine-side converter, a grid-side converter and an energy storage battery are adjusted according to the state of SOC of the energy storage battery, so that the power generation system is in a corresponding stable operation mode. Wherein the stable operation mode comprises at least two of a maximum power supporting mode, a first limited power supporting mode, a second limited power supporting mode and an energy storage charging and discharging mode, the power generation system operates according to the energy storage electric quantity, the influence of fluctuation of a draught ...

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30-06-2023 дата публикации

Coated fumigation therapy device for leg arthritis

Номер: CN116350493A
Принадлежит:

The invention relates to the technical field of fumigation treatment devices, in particular to a coated fumigation treatment device for leg arthritis, and solves the problems that in the prior art, when different acupuncture points of knee joints are fumigated, positions need to be replaced alternately, moxibustion fumigation is long in time and low in efficiency, and meanwhile, due to an open moxibustion fumigation mode, the fumigation time is short. Therefore, the smoke retention time is short, and the time of the whole moxibustion treatment process is relatively prolonged. A coating type fumigation therapy device for leg arthritis comprises a base, one side of the bottom of the base is fixedly connected with a box body, the inner side of the box body is elastically connected with a pressing plate, the bottom of the pressing plate is fixedly connected with a plurality of bearing sleeves, and the tops of the inner sides of all the bearing sleeves are fixedly connected with heating plates ...

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11-07-2023 дата публикации

Self-healing polyurethane capable of repairing internal cracks under excitation of sunlight as well as preparation method and application of self-healing polyurethane

Номер: CN116410439A
Принадлежит:

The invention discloses self-healing polyurethane capable of repairing internal cracks under excitation of sunlight as well as a preparation method and application of the self-healing polyurethane, and relates to the field of self-repairing materials. The self-healing polyurethane comprises a dynamic reversible diamine monomer containing a dithiocarbamate structure, a polyester or polyether glycol monomer, a diisocyanate monomer, a common diamine monomer, a catalyst and a polyamine cross-linking agent. The polyurethane provided by the invention contains a characteristic ultraviolet-excited dynamic reversible dithiocarbamate bond unit, and due to a unique free radical exchange and transfer mechanism, the polyurethane has the properties of sunlight-induced reversible self-repairing and solid-state crushing and recycling, and can realize repairing of internal cracks, so that the service life of the polyurethane is prolonged, and the service life of the polyurethane is prolonged. Meanwhile, ...

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08-08-2023 дата публикации

MMC control method, electronic equipment, storage medium and direct current power transmission system

Номер: CN116565932A
Принадлежит:

The invention belongs to the technical field of flexible direct-current power transmission, and particularly relates to an MMC control method, electronic equipment, a storage medium and a direct-current power transmission system. The MMC uses a virtual synchronous machine control strategy and comprises a virtual rotor mechanical equation part, a virtual excitation control part, a voltage outer loop control part and a current inner loop control part. A current instruction of the current inner loop control part is no longer only a voltage outer loop output value, but a feedforward value is superposed on the basis of the voltage outer loop output value, a value obtained after an active power given value is processed is superposed on a d-axis current instruction value, and a value obtained after a reactive power given value is processed is superposed on a q-axis current instruction value. The power regulation speed is increased, the purpose of rapid power tracking is achieved, power frequency ...

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11-08-2023 дата публикации

Application of duck gall bladder in preparation of calculus bovis factitius

Номер: CN116570624A
Автор: LI YANMEI, QI YI
Принадлежит:

The invention discloses application of duck gallbladder in preparation of calculus bovis factitius. The calculus bovis factitius comprises the following components: duck gallbladder, taurine, bilirubin, cholic acid, deoxycholic acid, cholesterol, fatty acid, lecithin, zinc sulfate, ferrous sulfate and starch. According to the preparation method of the calculus bovis factitius, the effects of other important components in the calculus bovis factitius can be effectively reserved, the other important components and the added duck gall bladder are mutually matched and have a synergistic effect, the overall effect of the calculus bovis factitius is effectively improved, and meanwhile, the preparation method of the calculus bovis factitius is simple, low in cost and easy to realize industrial production.

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15-08-2023 дата публикации

Heating system for chemical reaction

Номер: CN116585998A
Принадлежит:

The invention provides a heating system for chemical reaction, comprising: a base, a support frame arranged on the base, the support frame comprising a rotating shaft with an axis arranged in a horizontal direction; the heat conduction cavity is connected with the rotating shaft and comprises an arc-shaped bottom surface which is coaxial with the rotating shaft; the heating body is arranged on the base, is positioned below the heat conduction accommodating cavity, and comprises an arc-shaped heating surface which is coaxial with the rotating shaft and is in clearance fit with the arc-shaped bottom surface; the driving device is arranged between the heat conduction cavity and the base and used for driving the heat conduction cavity to swing in a reciprocating mode around the axis of the rotating shaft, the heating body works for heating, heat is transferred to the heat conduction cavity to heat a reagent in the heat conduction cavity, and meanwhile the driving device drives the heat conduction ...

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16-05-2023 дата публикации

Pharmaceutical composition for treating myocardial ischemia and preparation method thereof

Номер: CN116115669A
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The invention provides a pharmaceutical composition for treating myocardial ischemia. The pharmaceutical composition comprises 250-700 parts by weight of a salvia miltiorrhiza medicinal material, 50-150 parts by weight of a pseudo-ginseng medicinal material, 3-9 parts by weight of borneol and 25-100 parts by weight of ranolazine. On the other hand, the invention also provides application of the pharmaceutical composition in preparation of medicines for preventing and/or treating myocardial ischemia.

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28-07-2023 дата публикации

Essence extraction device for Chinese herbal medicine processing

Номер: CN116494587A
Автор: LI YANMEI, WU CHUNTAO
Принадлежит:

The invention belongs to the technical field of essence extraction for Chinese herbal medicine processing, particularly relates to an essence extraction device for Chinese herbal medicine processing, and aims to solve the problems that when an existing essence extraction device for Chinese herbal medicine processing is used for extracting essence of Chinese herbal medicine, sliced Chinese herbal medicine is directly conveyed to an extraction tank, so that the essence extraction is not thorough enough, and the efficiency is high. According to the scheme, the device comprises a treatment box, an extraction box is fixedly installed on the inner wall of the top of the treatment box, an overflow pipe is arranged at the bottom of the extraction box, a reciprocating box is fixedly installed on one side of the treatment box, a medicine smashing mechanism is arranged in the reciprocating box, and a conveying seat is fixedly installed on the top of the treatment box; a conveying mechanism is arranged ...

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06-07-2016 дата публикации

Full -automatic limit seam sewing machine spring presser

Номер: CN0205368701U
Автор: LI YANMEI
Принадлежит:

... 本实用新型公开了全自动边缝缝纫机弹簧压布机构,其双作用气缸安装于气缸安装板的两侧,两个气缸缸杆端安装有气缸连接板,气缸连接板位于气缸安装板下方;气缸连接板下安装有旋转滑台,旋转滑台通过花键与滚珠花键轴相联接;滚珠花键轴底部安装有模板锁紧块,滚珠花键轴的中部抱紧安装有螺套,螺母通过螺纹安装于螺套外部,滚珠花键轴顶部安装有锁紧螺母;滚珠花键轴中部套装有弹簧,弹簧下端面与螺母相抵,上端与旋转滑台下部相抵;铜套与旋转滑台连接,滚珠花键轴顶部的锁紧螺母与铜套顶部相抵。有效控制布料模板在Z方向上的升降,同时也控制布料在XY平面上旋转,自动化程度高,为实现全自动边缝缝纫机的自动化控制提供了基础。 ...

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14-07-2023 дата публикации

Fluorescent Au NCs ZIF-8 cellulose paper base as well as preparation method and application thereof

Номер: CN116426272A
Принадлежит:

The invention develops a fluorescent Au NCs ZIF-8 cellulose paper base as well as a preparation method and application thereof, and the preparation method comprises the following steps: S1, reducing chloroauric acid by adopting a glutathione-containing reduction system to obtain Au NCs; s2, treating the cellulose paper by using APTES as a modifier, so that APTES is deposited on the cellulose paper to prepare APTES modified cellulose paper; and S3, putting the modified cellulose paper prepared in the S2 into the Au NCs prepared in the S1, and a mixed solution of 2-methylimidazole, Zn (COOH) 2.2 H2O and water, so as to prepare the Au NCs ZIF-8 cellulose paper base. The cellulose paper base has an excellent selective recognition effect on copper ions, is not interfered by other metal ions after a sample is pretreated, can detect Cu < 2 + > within 20 minutes, and has the detection limit as low as 9.2 nM. Therefore, convenience is provided for on-site rapid detection of Cu < 2 + >.

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13-04-2021 дата публикации

Equipment for preparing astragalus polysaccharide oral liquid for veterinary use

Номер: CN212943282U

The utility model belongs to the technical field of radix astragali crushing and sterilization, particularly relates to radix astragali polysaccharide oral liquid preparation equipment for veterinary use, and aims to solve the problems that the crushing efficiency is low, the crushing size is inconvenient to adjust, the sterilization function is not realized, and the radix astragali polysaccharide oral liquid is difficult to crush when the radix astragali polysaccharide oral liquid is crushed in the existing radix astragali polysaccharide oral liquid preparation mode. According to the scheme, the astragalus membranaceus raw material crushing device comprises an electromagnetic sterilization box and a crushing box, the crushing box is fixedly connected to the top of the electromagnetic sterilization box, two electrode plates are arranged in the electromagnetic sterilization box, one of the two electrode plates is a positive electrode plate, and the other electrode plate is a negative electrode ...

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13-06-2023 дата публикации

Curcumenol derivative for treating tumors as well as preparation method and application of curcumenol derivative

Номер: CN116253745A
Принадлежит:

The invention provides a curcumenol derivative for treating tumors and a preparation method and application thereof, and belongs to the technical field of medicines.The curcumenol derivative-HCL-23 is obtained for the first time by conducting structural modification on curcumenol, and test results show that the curcumenol derivative-HCL-23 can be used for treating tumors. HCL-23 inhibits cancer cell proliferation by inducing G2-phase cycle arrest, cell apoptosis and ferroptosis of cancer cells, and also can inhibit cancer cell metastasis. In-vivo tests show that the HCL-23 can inhibit the increase of the tumor volume of a tumor-bearing mouse and reduce the tumor volume and weight of the tumor-bearing mouse, so that the anti-tumor effect is achieved. The curcumenol derivative HCL-23 provided by the invention provides a new thought for research and development of medicines for treating tumors, especially breast cancer.

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30-06-2023 дата публикации

Eye flushing fluid collector

Номер: CN116354302A
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The invention discloses an eye flushing fluid collector in the technical field of ophthalmology nursing, which comprises a water receiving hopper, a support cylinder is integrally formed at the bottom of the water receiving hopper, and a handle connected with the water receiving hopper is arranged on the support cylinder; an opening and closing assembly is arranged in the supporting cylinder; a detection assembly is arranged on the opening and closing assembly; the exterior of the supporting cylinder is spirally wound and connected with a water drainage pipe, one end of the water drainage pipe communicates with the opening and closing assembly, when the water amount in the water receiver is too large, a floating ball can drive a movable rod to move upwards through buoyancy of water, so that a blocking rod moves upwards on a fixed cylinder, and therefore the blocking rod does not block a connecting pipe any more; according to the water receiving device, water in the water receiving device ...

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02-05-2023 дата публикации

Artificially synthesized antibacterial peptide and application thereof

Номер: CN116041437A
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The invention discloses an artificially synthesized antibacterial peptide and application thereof. The amino acid sequence of the antibacterial peptide is FLFRVASKVFKALIGKFKKK, the molecular weight of the antibacterial peptide is 2355.98 Da, the isoelectric point of the antibacterial peptide is 11.43, and the net charge number of the antibacterial peptide is 7. Compared with the original antibacterial peptide D51, the antibacterial peptide has the advantages that the antibacterial activity on the bacillus cereus is obviously improved, the spore germination of the bacillus cereus and the formation of a biofilm are more efficiently inhibited, and the pollution of the bacillus cereus in food can be effectively controlled. The compound also has the advantages of good stability, low hemolytic activity, low possibility of causing drug resistance, low synthesis difficulty, low production cost and the like.

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11-04-2023 дата публикации

Optimized SARS-COV-2 spike protein S1 gene, mRNA containing gene and application

Номер: CN115947800A
Принадлежит:

The invention relates to an SARS-COV-2 spike protein S1 optimized sequence and application thereof, and belongs to the technical field of biology.New gene segments are obtained through SARS-COV-2 spike protein S1 gene segmentation and Overlap PCR splicing, the new gene segments are sequentially spliced in pairs, and finally the optimized S1 gene is obtained. The mRNA constructed by the obtained optimized gene can display a higher intracellular expression quantity, the obtained mRNA molecule has a stronger in-vivo immune response when being used as an existing SARS-CoV-2 mRNA S1 antigen vaccine, and meanwhile, detection finds that the antibody reaction can be maintained for a longer time and has a good cross protection effect in a mouse body.

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14-04-2023 дата публикации

SARS-COV-2 spike protein mRNA containing non-human species regulatory element as well as construction method and application of SARS-COV-2 spike protein mRNA

Номер: CN115960923A
Принадлежит:

The invention relates to an SARS-COV-2 spike protein mRNA (messenger ribonucleic acid) containing a non-human species regulatory element as well as a construction method and application thereof, and belongs to the technical field of biology. According to the invention, 5 '-UTR and 3'-UTR regulatory elements from a viral gene are taken as a research basis, and through combination of different regulatory elements, an S antigen coding mRNA molecule translation expression regulatory structure constructed by combination of a regulatory element from the viral gene and a regulatory element in a human gene is obtained. The obtained mRNA is used as an SARS-CoV-2 mRNA S1 antigen vaccine, so that the obtained mRNA can generate obviously enhanced in-vivo immune response when being used as the SARS-CoV-2 mRNA S1 antigen vaccine.

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