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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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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 12. Отображено 12.
11-07-2012 дата публикации

Method for subsequent treatment of aluminum sulfate generated in technical process of extracting alumina from fly ash

Номер: CN102557091A
Автор: Guo Xinfeng, Zeng Wei, Yang Chao, Guo Kun, Gao Xuan, Liang Xingguo
Принадлежит:

The invention relates to a method for the subsequent treatment of aluminum sulfate generated in the technical process of extracting alumina from fly ash. According to a process for extracting the alumina from the fly ash, when hydrochloric acid is used for dissolving out, the corrosion of equipment is serious, and the continuous production is difficult to realize; and when sulfuric acid is used for dissolving out, the content of crystal water in prepared aluminum salt crystals is high, and the thermal loss of roasting decomposition is relatively high. The method comprises the following steps of: adding a subsequent aluminum chloride lotion or a solution of hydrochloric acid into a solution of aluminum sulfate generated in the technical process or aluminum sulfate crystals obtained after crystallization, diluting, introducing HCl gas into the mixed solution at the temperature of between 30 and 85 DEG C to ensure that the solution is saturated, and precipitating aluminum chloride hexahydrate ...

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Номер записи: 1
18-09-2013 дата публикации

Impurity removal method in process of preparing alumina from fly ash by using acid method

Номер: CN103303948A
Автор: Yang Chao, Liang Xingguo, Wu Jin, Guo Xinfeng, Huang Xing, Lan Haiping, Zeng Wei, Gao Xuan, Zhang Jianning, Zhang Wen, Li Ning, Zheng Panfeng
Принадлежит:

The invention relates to an impurity removal method in a process of preparing alumina from fly ash by using an acid method. The impurity removal method comprises the following steps: (1) adding precipitator N, N-dimethyl ammonium dithiocarbamate into acidic aqueous solution of aluminum salt according to the molar mass ratio of Fe<3+>:NH4<+> being 1:1-6 while stirring, reacting to produce black precipitate N, N-dimethyl iron dithiocarbamate, and filtering, separating and collecting filtrate to obtain iron-removed aluminum salt solution, wherein the acidic aqueous solution of the aluminum salt is an intermediate product which is obtained during the process of producing the alumina from the fly ash by using the acid method; (2) crystallizing and separating the iron-removed aluminum salt solution, filtering and separating to obtain aluminum salt crystals and collecting filtrate for later use; and (3) baking the aluminum salt crystals to obtain the impurity-removed alumina. According to the ...

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Номер записи: 2
18-12-2013 дата публикации

Impurity removing method in process of preparing alumina from fly ash by utilizing acid method

Номер: CN103449483A
Автор: Yang Chao, Li Ning, Wu Jin, Liang Xingguo, Lan Haiping, Guo Xinfeng, Huang Xing, Zeng Wei, Gao Xuan, Zhang Jianning, Zhang Wen, Zheng Panfeng
Принадлежит:

The invention relates to an impurity removing method in a process of preparing alumina from fly ash by utilizing an acid method. The method comprises following steps: by utilizing the characteristic that iron (III) dimethyldithiocarbamate does not precipitate in an alkaline environment condition, adjusting the pH value of the system to the alkaline range by adding ammonia water, ammonia gas, or sodium hydroxide to precipitate iron in the form of iron hydroxide, then subjecting the reaction liquid to a filtration separation treatment so as to obtain an aluminium salt solution without iron, crystallizing the aluminium salt solution without iron to precipitate, filtrating to separate so as to obtain aluminium salt crystals and filtration liquid, burning the aluminium salt crystals so as to obtain purified alumina. The method solves the technical problems of complicated technologies and difficult separation of impurities in the conventional acid method, and has the advantages of prominent iron-removing ...

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Номер записи: 3
18-12-2013 дата публикации

Impurity removing method in process of preparing alumina from fly ash by using acid method

Номер: CN103449487A
Автор: Yang Chao, Liang Xingguo, Lan Haiping, Wu Jin, Li Ning, Guo Xinfeng, Huang Xing, Zeng Wei, Gao Xuan, Zhang Jianning, Zhang Wen, Zheng Panfeng
Принадлежит:

The invention relates to an impurity removing method in the process of preparing alumina from fly ash by using an acid method. The method utilizes the characteristic that iron diethyl dithiocarbamate does not precipitate in the alkaline conditions, and comprises following steps: adding ammonia water, ammonia gas or sodium hydroxide to adjust the pH value of the system to alkaline range, precipitating the iron element in the form of iron hydroxide, filtering and separating the reaction liquid, collecting the filtrate so as to obtain the iron-free aluminium salt solution, separating the aluminium salt from the iron-free aluminium salt solution by crystallization, filtering, separating so as to obtain the aluminium salt crystals, collecting the filtrate for later use, and burning the aluminium crystals so as to obtain the purified alumina. The impurity removing method solves the technical problems of complexity and difficult separation of impurity iron in the conventional acid method for preparing ...

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Номер записи: 4
24-07-2013 дата публикации

Thermal insulation fireproof material prepared from fly ash and preparation method of material

Номер: CN103214230A
Автор: Guo Xinfeng, Dang Tao, Duan Wenke, Liang Xingguo, Gao Xuan, Xu Yuejun, Zeng Wei, Song Xiangqin, Wang Hui, Li Qi, Yu Hai, Xiang Liang
Принадлежит:

The invention relates to a thermal insulation fireproof material prepared from fly ash and a preparation method of the material. Currently, fly ash emission in China is increased year by year, which causes a huge pressure to the national economic construction and the ecological environment, however, the comprehensive utilization process of the fly ash is low in added value and limited in adding amount, and certain technical requirements on the fly ash are generated. The preparation method comprises the following steps: putting raw materials into a ball mill, wherein the raw materials comprise the following components in parts by weight: 20 to 80 parts of fly ash, 1-10 parts of a foaming agent, 5-40 parts of a feldspar, 5-40 parts of a flux and 0-0.25 parts of a grinding agent; adding 30-40 parts by weight of water to mill; drying at 200-300 DEG C after grinding, and then placing into a granulator for granulation; placing the granulated components into a fireproof composite mold and then ...

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Номер записи: 5
18-07-2012 дата публикации

Method for extracting aluminum oxide from fly ash based on ammonium sulfate activation process

Номер: CN102583468A
Автор: Guo Xinfeng, Zeng Wei, Qian Yongkang, Guo Kun, Ding Jianliang, Gao Xuan, Liang Xingguo, Yang Chao
Принадлежит:

The invention relates to a method for extracting aluminum oxide from fly ash based on an ammonium sulfate activation process. By adopting roasting of the fly ash and ammonium sulfate, combined impurity removal and a two-section fluidized roasting system, the problem of high corrosion of equipment in the background technology is solved; a process chain of a main flow is shortened; through the roasting system, the roasting process is low in energy consumption, economic and low in cost by using methods such as two-section cyclic fluidized roasting and dense phase transportation; and the technical problem of material melting, wall sticking, caking or ring forming is solved.

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Номер записи: 6
29-08-2013 дата публикации

OLIGONUCLEOTIDE AND USE THEREOF

Номер: US20130225797A1
Автор: Asanuma Hiroyuki, Fujii Taiga, Ishikawa Teruchika, Kashida Hiromu, Liang Xingguo, Nishioka Hidenori
Принадлежит: National University Corporation Nagoya University

Provided is an oligonucleotide containing an azobenzene derivative, represented by Formula (1) or (2) below: 2. The oligonucleotide according to claim 1 , wherein Rto Rand Rto Rare hydrogen atoms.3. The oligonucleotide according to claim 1 , wherein Rand Rare methyl groups.5. The oligonucleotide according to claim 4 , wherein Rand Rbind with each other to represent a cyclohexyl group or adamantyl group together with a carbon atom for linking to a sulfur atom.6. The oligonucleotide according to claim 4 , wherein{'sup': 31', '32, 'sub': '1-4', 'Rand Reach independently represent a Calkyl group, and'}{'sup': 33', '40, 'Rto Rare hydrogen atoms.'}7. The oligonucleotide according to claim 6 , wherein Rand Rare methyl groups.8. A photo-switching agent claim 1 , by which the formation and dissociation of a double strand can be controlled by visible light irradiation claim 1 , and which is provided with the oligonucleotide according to .10. The photo-switching agent according to claim 9 , wherein Rand Rrepresent methyl groups or hydrogen atoms claim 9 , and R claim 9 , R claim 9 , and Rto Rare hydrogen atoms.11. The photo-switching agent according to claim 9 , wherein each of the pair of oligonucleotides has two or more of the azobenzene derivative adjacent to one another on either side of two or more nucleotides. The present invention relates to an oligonucleotide, and to a photo-switching agent using the oligonucleotide. The priority claim for the present application is based on Japanese Patent Application No. 2010-194942, submitted on Aug. 31, 2010, and the entire contents of the Description of that Japanese Patent Application are incorporated by reference in this Description.Techniques have been developed for controlling hybridization between oligonucleotides with complementary structures by an external stimulus. If hybridization control could be achieved, it could contribute to more precise gene detection, identification and assay, and to the development of molecular ...

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Номер записи: 7
09-01-2020 дата публикации

Preparation method and application of astaxanthin H1-, or H2- or J-aggregate water dispersion system

Номер: US20200008446A1
Автор: Chang Yaoguang, Dai Mingqin, LI Jing, Liang Xingguo, Xu Jie, Xue Changhu, YANG LU
Принадлежит:

Preparation method and application of astaxanthin H1-, or H2- or J-aggregate water dispersion system are provided. The three kind of color-different astaxanthin multimer nano-dispersion systems utilize a special molecular structure of natural biomacromolecule chitosan and fish sperm DNA as well as physical interaction between macromolecules to induce formation and stability of astaxanthin multimers under solvent and salt ion-effects. Low-toxicity ethanol is selected as a good solvent for astaxanthin. The organic solvent can be completely removed in the later stage of the preparation process, and can be further enriched and recycled, which is beneficial to clean production and low cost. By adjusting process parameters, the H1-, or H2- or J-type astaxanthin aggregate water dispersion system can be obtained, so as to control a coloration range of astaxanthin water-based products to be yellow, orange and pink. Furthermore, during concentration, dehydration and reconstitution, astaxanthin aggregation patterns and coloring effects are maintained. 1. A preparation method of an H1-type astaxanthin aggregate water dispersion system , comprising steps of:1) dissolving astaxanthin in any volume of ethanol at 4-25° C. in dark, so as to obtain an astaxanthin ethanol solution, wherein the ethanol has a volume fraction greater than 95%; if there is undissolved astaxanthin, removing undissolved astaxanthin particles by centrifugation or filtration;2) dissolving solid DNA in water at a room temperature, and autoclaving at 120° C. for 30 min to obtain a DNA solution of 0.01-0.5 mg/ml;3) dissolving chitosan in a hydrochloric acid solution or an acetic acid solution of pH 1-4 at the room temperature, then adjusting the pH to 5-6 with a sodium hydroxide solution or a potassium hydroxide solution to obtain a chitosan solution with a chitosan content of 0.01-0.5 mg/ml;4) rapidly adding the astaxanthin ethanol solution prepared in the step 1) to the chitosan solution prepared in the step 3 ...

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Номер записи: 8
18-02-2021 дата публикации

Method for restriction endonuclease-mediated primer generation-rolling amplification

Номер: US20210047667A1
Автор: Boying Zhang, Chenru WANG, Ran AN, Shuting Yu, Xingguo Liang
Принадлежит: OCEAN UNIVERSITY OF CHINA

The present invention relates to a method for restriction endonuclease-mediated primer generation-rolling circle amplification (PG-RCA), including the following steps of: 1) thiol-modifying a single-stranded DNA (ssDNA) at a restriction site of a restriction endonuclease; 2) cyclizing the thiol-modified ssDNA to obtain a thiol-modified circular ssDNA; and 3) using the thiol-modified circular ssDNA obtained in step 2) as a template, adding the template into a reaction system of a target DNA primer to be detected, a DNA polymerase with strand displacement, and a restriction endonuclease for multiple cycles of rolling circle amplification, to amplify a molecular signal of target DNA. The method for RCA provided by the present invention has the following beneficial effects: using a restriction endonuclease to trigger primer generation and establish a restriction endonuclease-mediated rolling circle amplification technique, high amplification efficiency can be guaranteed and the application scope of the technique is broadened.

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Номер записи: 9
18-01-2024 дата публикации

Material intelligent sorting apparatus and method

Номер: AU2021446611A1
Автор: Chaochen LIANG, Chun Liu, Jiandong Chen, Junzhen WANG, Xiaodong Ge, Xingguo Liang
Принадлежит: Tianjin Meiteng Technology Co Ltd

Provided in the present application are a material intelligent sorting apparatus and a method, which relate to the technical field of material sorting. The material intelligent sorting apparatus comprises a material distribution system, an identification system and an execution system, wherein the material distribution system is configured to lay materials according to a preset value; the material distribution system comprises a vibrating distributor, a first sliding plate, a second sliding plate, a first belt-type distributor and a second belt-type distributor; the first sliding plate, the first belt-type distributor, the second sliding plate and the second belt-type distributor are sequentially arranged and form a stepped structure; a first preset included angle is configured between the first sliding plate and the first belt-type distributor, a second preset included angle is configured between the second sliding plate and the first belt-type distributor, and a third preset included angle is configured between the second sliding plate and the second belt-type distributor; and the first belt-type distributor and the second belt-type distributor are arranged in parallel, and the second belt-type distributor is located below the first belt-type distributor.

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Номер записи: 10
29-09-2022 дата публикации

Intelligent photoelectric sorting machine and product separation method thereof

Номер: AU2020427333A1
Автор: Taiyou LI, Xiaodong Ge, Xingguo Liang
Принадлежит: Tianjin Meiteng Technology Co Ltd

Disclosed are an intelligent photoelectric sorting machine and a product separation method thereof. The intelligent photoelectric sorting machine comprises a belt transmission mechanism (4), a discrimination apparatus, and an aggregation mechanism (9). The belt transmission mechanism (4) is configured to convey multiple products to be sorted; the discrimination apparatus is configured to discriminate said multiple products and define same one by one with different label numbers; the aggregation mechanism (9) comprises multiple aggregation channels. Each aggregation channel is electrically connected to the discrimination apparatus, and is configured to identify the label number corresponding to the aggregation channel and control a product to be sorted corresponding to the label number to enter the aggregation channel.

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Номер записи: 11
16-05-2024 дата публикации

Intelligent photoelectric sorting machine and product separation method thereof

Номер: AU2020427333B2
Автор: Taiyou LI, Xiaodong Ge, Xingguo Liang
Принадлежит: Tianjin Meiteng Technology Co Ltd

Disclosed are an intelligent photoelectric sorting machine and a product separation method thereof. The intelligent photoelectric sorting machine comprises a belt transmission mechanism (4), a discrimination apparatus, and an aggregation mechanism (9). The belt transmission mechanism (4) is configured to convey multiple products to be sorted; the discrimination apparatus is configured to discriminate said multiple products and define same one by one with different label numbers; the aggregation mechanism (9) comprises multiple aggregation channels. Each aggregation channel is electrically connected to the discrimination apparatus, and is configured to identify the label number corresponding to the aggregation channel and control a product to be sorted corresponding to the label number to enter the aggregation channel.

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Номер записи: 12