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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 14. Отображено 14.
02-06-2010 дата публикации

Preparation method of polymer grafting magnetic carbon nano-tube

Номер: CN0101239716B
Автор: WAN JIAQI, CAI WEI, FENG JIANGTAO, SUI XIEHE, JIAQI WAN, WEI CAI, JIANGTAO FENG, XIEHE SUI
Принадлежит:

The present invention provides a preparing method of polymer graft magnetic carbon nanotube, relating to a preparing method of carbon nanotube. The invention resolves the problem of lower dispersivityand poor wettability of the present carbon nanotube. The preparing method includes following steps: adding organic iron to carbon nanotube polylol solution, cooling to room temperature by heating toboiling, the product dispersing in toluol or chloroform via being separated, dried after adding nonpolar solvent, then adding the prepared solution to solution prepared by L-lactide and evocating agent, then separating, drying product. An applied magnetic field controls the prepared polymer graft magnetic carbon nanotube, and enhances the dispersivity, maximum amplitude of polymer graft magnetic carbon nanotube prepared by tension test as a Polylactide composite material of reinforcement relative to the tensile-strength of the pure polylactic acid is 70%, the wettability between polymer graftmagnetic ...

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Номер записи: 1
30-05-2023 дата публикации

Method for preparing efficient self-supporting oxygen evolution electrocatalyst by using cation exchange method

Номер: CN116180138A
Автор: ZHENG XIAOHANG, YE ZHENYU, YAN YAOTIAN, WANG PEIJIA, ZHONG WENJIE, DUN LIANG, WANG HONGDA, SUI XIEHE, CAI WEI
Принадлежит:

The invention discloses a method for preparing an efficient self-supporting oxygen evolution electrocatalyst by using a cation exchange method, and relates to a preparation method of an oxygen evolution electrocatalyst. The problems that existing ferro-nickel double hydroxides are poor in conductivity and few in active sites are solved. The preparation method comprises the following steps: 1, preparing a precursor by using a hydrothermal method; 2, soaking the precursor in a chemical bath; the method is used for preparing the efficient self-supporting oxygen evolution electrocatalyst by using the cation exchange method.

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Номер записи: 2
04-03-2015 дата публикации

Method for efficiently preparing Ti-Ta high-temperature memory alloy thin film

Номер: CN104388904A
Автор: ZHENG XIAOHANG, YAO JIAN, FENG YIWEI, SUI XIEHE, CAI WEI
Принадлежит:

The invention discloses a method for efficiently preparing a Ti-Ta high-temperature memory alloy thin film and relates to a method for preparing a thin film. The method is used for solving such problems of the existing Ti-Ta alloy thin film as complicated single target sputtering process and low efficiency. The method comprises the following steps of carrying out fan-shaped hollowing treatment on a Ti target and placing the Ta target on the bottom of the Ti target subjected to hollowing treatment to obtain a composite target, loading the composite target on a target position of a single-chamber magnetron sputtering instrument, fixing a substrate on a sample holder, vacuumizing, introducing argon and depositing by direct current magnetron sputtering and the composite target as a cathode to obtain the Ti-Ta high-temperature memory alloy thin film. The method is used for efficiently preparing the Ti-Ta high-temperature memory alloy thin film.

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Номер записи: 3
04-02-2015 дата публикации

Connecting method of connected part

Номер: CN104329326A
Автор: GAO ZHIYONG, CAI WEI, MENG XIANGLONG, SUI XIEHE, WU YE
Принадлежит:

The invention provides a connecting method of a connected part. The method comprises the following steps: (1) preparing a T-shaped shape memory alloy with a high phase transition temperature for serving as a connecting rod and a memory alloy with a low phase transition temperature for serving as a fastening ring, inserting the end part of the connecting rod into a connecting hole of the connected part, and arranging the fastening ring on the connecting rod in a sleeving manner in order that the connected part is positioned between the connecting rod and the fastening ring; (2) heating the end part of the connecting rod, increasing the diameter of the connecting rod and gradually reducing the inner diameter of the fastening ring at the room temperature in order to fix the connecting rod together with the fastening ring and realize impact-free connection of the connected part. In the connecting method, impact-free connection with pre-tightening force is adopted, and uniform interference can ...

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Номер записи: 4
12-05-2023 дата публикации

Preparation method of self-supporting efficient difunctional electrocatalyst

Номер: CN116103690A
Автор: ZHENG XIAOHANG, YE ZHENYU, YAN YAOTIAN, WANG PEIJIA, ZHONG WENJIE, DUN LIANG, WANG HONGDA, SUI XIEHE, CAI WEI
Принадлежит:

The invention relates to a preparation method of a difunctional electrocatalyst, in particular to a preparation method of a self-supporting efficient difunctional electrocatalyst. The problems that an existing transition metal-based catalyst is complex in preparation process and poor in full water decomposition performance are solved. The preparation method comprises the following steps: 1, preparing a precursor by using a hydrothermal method; 2, phosphorizing the precursor by using a chemical vapor deposition method; the preparation method is used for preparing the self-supporting high-efficiency difunctional electrocatalyst.

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Номер записи: 5
04-01-2012 дата публикации

Application with Ni-Mn-Ga magnetic drive memory alloy as optomagnetic mixing storage materials

Номер: CN0101252009B
Автор: CAI WEI, GAO ZHIYONG, SUI XIEHE, TAN CHANGLONG, WEI CAI, ZHIYONG GAO, XIEHE SUI, CHANGLONG TAN
Принадлежит:

The invention discloses an application of a Ni-Mn-Ga magnetic driven memory alloy as a photomagnetic hybrid storage material, which relates to a new use of the Ni-Mn-Ga magnetic driven memory alloy, in particular to the application of the Ni-Mn-Ga magnetic driven memory alloy as the photomagnetic hybrid storage material. The invention solves the problem that densification of recording density is limited because magnetic storage medium is subject to superparamagnetic effect, and the problem that low information storage intensity and slow writing and erasing are caused by a heat accumulation process which is needed for phase-change optical storage medium and at the same time by heat conduction effect of the storage medium. The application of the Ni-Mn-Ga magnetic driven memory alloy as the photomagnetic hybrid storage material is that the Ni-Mn-Ga magnetic driven memory alloy is used as the photomagnetic hybrid storage material. Photomagnetic hybrid storage is a brand new information storage ...

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Номер записи: 6
02-06-2023 дата публикации

Preparation method of nano hard alloy compound electrocatalyst with multiple defect active sites

Номер: CN116200772A
Автор: ZHENG XIAOHANG, HUANG KEKE, YAN YAOTIAN, ZHANG XIANDA, YE ZHENYU, SUI XIEHE, CAI WEI
Принадлежит:

The invention relates to a preparation method of a nano hard alloy compound electrocatalyst, in particular to a preparation method of a nano hard alloy compound electrocatalyst with multiple defect active sites. The problem that the catalytic activity of a hard alloy type compound is difficult to improve through defect engineering is solved. The preparation method comprises the following steps: 1, synthesizing a precursor; 2, preparing an active substance; and 3, applying inductive plasma to the active substance. The method is used for preparing the nano hard alloy compound electrocatalyst with multiple defect active sites.

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Номер записи: 7
13-08-2008 дата публикации

Preparation method of polymer grafting magnetic carbon nano-tube

Номер: CN0101239716A
Автор: CAI WEI, FENG JIANGTAO, SUI XIEHE, WAN JIAQI, WEI CAI, JIANGTAO FENG, XIEHE SUI, JIAQI WAN
Принадлежит:

The present invention provides a preparing method of polymer graft magnetic carbon nanotube, relating to a preparing method of carbon nanotube. The invention resolves the problem of lower dispersivity and poor wettability of the present carbon nanotube. The preparing method includes following steps: adding organic iron to carbon nanotube polylol solution, cooling to room temperature by heating to boiling, the product dispersing in toluol or chloroform via being separated, dried after adding nonpolar solvent, then adding the prepared solution to solution prepared by L-lactide and evocating agent, then separating, drying product. An applied magnetic field controls the prepared polymer graft magnetic carbon nanotube, and enhances the dispersivity, maximum amplitude of polymer graft magnetic carbon nanotube prepared by tension test as a Polylactide composite material of reinforcement relative to the tensile-strength of the pure polylactic acid is 70%, the wettability between polymer graft magnetic ...

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Номер записи: 8
18-06-2014 дата публикации

High-temperature shape memory alloy with excellent thermal stability and used in space environment, and preparation method thereof

Номер: CN103866161A
Автор: GAO ZHIYONG, CAI WEI, ZHANG XIN, MENG XIANGLONG, SUI XIEHE, WU YE
Принадлежит:

The invention relates to a high-temperature shape memory alloy with excellent thermal stability and used in space environment, and a preparation method thereof. The invention relates to shape memory alloy and a preparation method thereof, and the shape memory alloy is used for solving the problem that the existing high-temperature memory alloy lacks of the thermal stability. The chemical formula of the high-temperature shape memory alloy is Ni54Mn25Ga[21-x]Re[x], wherein X is more than 0 and less than 0.5, and RE is Gd, Dy, Y, Tb, Ce or Ho. The preparation method comprises the following steps: I, weighing all raw materials according to the chemical formula; II, putting the raw materials in a non-consumable vacuum arc melting furnace, vacuumizing, introducing argon, vacuumizing and repeatedly overturning and melting at a high temperature, to obtain an alloy ingot; III, performing mechanical polishing and cleaning, then sealing in a quartz tube, insulating for certain time, and quenching ...

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Номер записи: 9
23-05-2023 дата публикации

Preparation method of CuCoNiMoFe multi-element oxide electrolyzed water catalyst

Номер: CN116145177A
Автор: ZHENG XIAOHANG, ZHONG WENJIE, YAN YAOTIAN, WANG PEIJIA, YE ZHENYU, DUN LIANG, WANG HONGDA, SUI XIEHE, CAI WEI
Принадлежит:

The invention discloses a preparation method of a CuCoNiMoFe multi-element oxide electrolyzed water catalyst, and relates to a preparation method of a transition metal-based multi-element oxide electrolyzed water catalyst. The problem that an existing transition metal-based multi-component oxide preparation technology is tedious is solved. The preparation method comprises the following steps: 1, weighing; 2, dripping the precursor solution on a substrate, and then drying; and 3, carbon thermal shock treatment. The preparation method is used for preparing the CuCoNiMoFe multi-element oxide electrolyzed water catalyst.

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Номер записи: 10
05-01-2011 дата публикации

Method for synthesizing CdS nano-wire by inorganic molecular cluster single-source precursor

Номер: CN0101254941B
Автор: LI ZHIGUO, CAI WEI, SUI XIEHE, ZHIGUO LI, WEI CAI, XIEHE SUI
Принадлежит:

The invention provides a method for synthesizing CdS nanowire from inorganic molecular cluster single source precursor, which overcomes the disadvantages of the conventional CdS nanowire preparation method such as requirements for large scale equipment, high preparation temperature, complex subsequent treatment process, easy contamination or damage to nano-wire, non-controllable size and morphology and harsh technological conditions, inconvenient operation, and difficulty for industrialized large scale implementation. The preparation method includes vacuum degassing hexadecylamine; cooling, adding (Me4N)4[S4Cd10(SPh)16] in the nitrogen atmosphere, heating, and maintaining the temperature for reacting; cooling; and separating, precipitating and drying. The method has no need for large scale equipment, safe, convenient and easy operation and low cost, and facilitates controlling size, morphology and property of the CdS nanowire and industrialized large scale production with repeatability ...

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Номер записи: 11
27-08-2008 дата публикации

Application with Ni-Mn-Ga magnetic drive memory alloy as optomagnetic mixing storage materials

Номер: CN0101252009A
Автор: GAO ZHIYONG, SUI XIEHE, CAI WEI, TAN CHANGLONG, ZHIYONG GAO, XIEHE SUI, WEI CAI, CHANGLONG TAN
Принадлежит:

The invention discloses an application of a Ni-Mn-Ga magnetic driven memory alloy as a photomagnetic hybrid storage material, which relates to a new use of the Ni-Mn-Ga magnetic driven memory alloy, in particular to the application of the Ni-Mn-Ga magnetic driven memory alloy as the photomagnetic hybrid storage material. The invention solves the problem that densification of recording density is limited because magnetic storage medium is subject to superparamagnetic effect, and the problem that low information storage intensity and slow writing and erasing are caused by a heat accumulation process which is needed for phase-change optical storage medium and at the same time by heat conduction effect of the storage medium. The application of the Ni-Mn-Ga magnetic driven memory alloy as the photomagnetic hybrid storage material is that the Ni-Mn-Ga magnetic driven memory alloy is used as the photomagnetic hybrid storage material. Photomagnetic hybrid storage is a brand new information storage ...

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Номер записи: 12
03-09-2008 дата публикации

Method for synthesizing CdS nano-wire by inorganic molecular cluster single-source precursor

Номер: CN0101254941A
Автор: CAI WEI, LI ZHIGUO, SUI XIEHE, WEI CAI, ZHIGUO LI, XIEHE SUI
Принадлежит:

The invention provides a method for synthesizing CdS nanowire from inorganic molecular cluster single source precursor, which overcomes the disadvantages of the conventional CdS nanowire preparation method such as requirements for large scale equipment, high preparation temperature, complex subsequent treatment process, easy contamination or damage to nano-wire, non-controllable size and morphology and harsh technological conditions, inconvenient operation, and difficulty for industrialized large scale implementation. The preparation method includes vacuum degassing hexadecylamine; cooling, adding (Me4N)4[S4Cd10(SPh)16] in the nitrogen atmosphere, heating, and maintaining the temperature for reacting; cooling; and separating, precipitating and drying. The method has no need for large scale equipment, safe, convenient and easy operation and low cost, and facilitates controlling size, morphology and property of the CdS nanowire and industrialized large scale production with repeatability ...

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Номер записи: 13
04-04-2023 дата публикации

Preparation method of high-thermal-stability low-contact-resistance barrier layer based on MgAgSb-based thermoelectric material

Номер: CN115915896A
Автор: SUI XIEHE, XIE LIANGJUN, LIU ZIHANG, GUO FENGKAI
Принадлежит:

The invention relates to a preparation method of a barrier layer, in particular to a preparation method of a high-thermal-stability low-contact-resistance barrier layer based on an MgAgSb-based thermoelectric material. The invention aims to solve the problem that a MgAgSb/Mg3Bi2 device cannot realize long-term stability due to the fact that a barrier layer used by the existing MgAgSb is Ag and Ag3Sb is easily generated in the MgAgSb in an Ag-rich environment. The method comprises the following steps: 1, preparing MgCuSb nano powder; secondly, MgCu < 0.1 > Ag < 0.87 > Sb < 0.99 > nano powder is prepared; and 3, preparing a thermoelectric power generation device with the concentration of MgCu being 0.1, Ag being 0.87, Sb being 0.99-Mg being 3.2, Bi being 1.5 and Sb being 0.5. The method is used for preparing the high-thermal-stability low-contact-resistance barrier layer based on the MgAgSb-based thermoelectric material.

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Номер записи: 14