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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 7. Отображено 7.
04-04-2023 дата публикации

System and method for preparing polycarbonate from residual oil

Номер: CN115888567A
Принадлежит:

The invention belongs to the technical field of polycarbonate preparation, and provides a system for preparing polycarbonate from residual oil, the system comprises a residual oil catalytic cracking unit, a liquefied petroleum gas separation unit, a hydrogen peroxide-to-epoxypropane unit and a carbon dioxide one-step synthesis-to-polycarbonate unit. The invention also provides a method for preparing polycarbonate by using the system for preparing polycarbonate from residual oil. The acid-base catalyst disclosed by the invention shows excellent carbon dioxide adsorption capacity in flue gas at medium and low temperatures, and is good in reusability and low in cost. According to the method, the conversion rate of CO2 is higher than 99%, the conversion rate of epoxypropane is higher than 99%, the yield of polycarbonate reaches 99.99%, and the purity of polycarbonate is higher than 99%. The polycarbonate product disclosed by the invention has the characteristics of good thermal stability, tensile ...

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19-05-2023 дата публикации

Device and method for continuously capturing carbon dioxide from air

Номер: CN116135286A
Принадлежит:

The invention relates to a device and a method for continuously capturing carbon dioxide from air, and relates to the technical field of carbon dioxide capturing. Comprising a gas inlet unit, an absorption unit and a desorption unit, the bottom of the gas inlet unit extends into the absorbent filled in the absorption unit; the lower part of the absorption unit is connected with the desorption unit through a lower guide pipe, and the absorption unit is used for conveying the generated precipitate and a part of the absorbent to the desorption unit through the lower guide pipe; the upper part of the desorption unit is connected with the absorption unit through an upper guide pipe, and the desorption unit is used for releasing carbon dioxide and conveying the regenerated absorbent to the absorption unit through the upper guide pipe to complete circulation. The absorption and desorption processes are integrated in a small device, continuous operation of directly capturing carbon dioxide in air ...

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21-07-2023 дата публикации

Recovery device for plastic particles

Номер: CN116461010A
Принадлежит:

The invention discloses a recovery device for plastic particles, and relates to the technical field of plastic particle processing.The recovery device comprises a workbench, a feeding frame, a first inclined discharging frame, a second inclined discharging frame, a particle smoothing assembly, a particle screening assembly and a particle containing box, and the feeding frame, the particle smoothing assembly and the particle screening assembly are sequentially arranged on the workbench; the multiple particle containing boxes are arranged on the workbench and located below the particle screening assembly, and the bottom end of the second inclined discharging frame is connected with the feeding end of the particle screening assembly. The problems that in the prior art, the effect is not obvious when the size of screened particles is large, and when a vibrating screen screens the particles, the particles are clamped in holes to a great extent when the extrusion among the particles and the difference ...

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18-07-2023 дата публикации

Nonmetal dynamic imine polyionic liquid catalyst as well as preparation method and application method thereof

Номер: CN116444710A
Принадлежит:

The invention belongs to the field of catalyst modification, and provides a nonmetal dynamic imine polyionic liquid catalyst, and a preparation method and an application method thereof. The preparation method comprises the following steps: mixing an amino ionic liquid monomer, an initiator and water, and then carrying out polymerization reaction to obtain amino polyionic liquid; the preparation method comprises the following steps: mixing amino polyionic liquid and dialdehyde, and assembling to generate the nonmetal dynamic imine polyionic liquid catalyst. The method comprises the following steps: mixing CO2, an epoxy compound and a nonmetal dynamic imine polyionic liquid catalyst, and reacting to obtain cyclic carbonate; the preparation method comprises the following steps: carrying out reaction on cyclic carbonate and diamine to obtain non-isocyanate polyurethane; the method comprises the following steps: mixing non-isocyanate polyurethane with a foaming agent, and foaming to obtain rigid ...

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07-04-2023 дата публикации

Rigid non-isocyanate polyurethane foam and preparation method thereof

Номер: CN115926157A
Принадлежит:

The invention belongs to the technical field of carbon emission reduction and polyurethane material preparation, and particularly discloses rigid non-isocyanate polyurethane foam and a preparation method thereof. The preparation method comprises the following steps: reacting a rigid epoxy compound with CO2 to obtain rigid cyclic carbonate, then reacting the product with diamine to obtain rigid non-isocyanate polyurethane, and mixing the rigid non-isocyanate polyurethane with a foaming agent for foaming to obtain the rigid non-isocyanate polyurethane foam. According to the invention, the structure and groups of the raw materials are limited, so that the mechanical property and adjustability of the non-isocyanate polyurethane are improved; the reaction degree is obviously enhanced and an excellent foaming effect is achieved by adopting normal pressure, low temperature and other mild reaction conditions and adjusting the dosage of reactants and the foaming agent.

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23-05-2023 дата публикации

Improved traditional Chinese medicine bag fragrant arm pillow, traditional Chinese medicine bag and use method of traditional Chinese medicine bag

Номер: CN116139395A
Принадлежит:

The invention discloses an improved traditional Chinese medicine bag fragrant arm pillow and a traditional Chinese medicine bag and a using method thereof in the technical field of traditional Chinese medicine, the improved traditional Chinese medicine bag fragrant arm pillow comprises an arm pillow bag and a binding belt, the arm pillow bag is arranged to be in a bag shape and is formed by sewing all-cotton breathable fabric, an opening is formed in the surface of the arm pillow bag, and a zipper is connected to the opening; according to the scheme, after being sprayed and heated, the prescription medicine bag pillow inner is placed in the arm pillow bag and fixed to the position where the Taiyin lung meridian, the shaoyin heart meridian and the jueyin pericardium meridian of the forearm and the hand of a patient pass through, effective medicine ingredients permeate and are absorbed through the skin, the most equal acupuncture points such as Neiguan, lizhou, Shenmen and Hole are stimulated ...

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18-07-2023 дата публикации

Amino acid porous ionic liquid adsorbent as well as preparation method and application thereof

Номер: CN116440864A
Принадлежит:

The invention belongs to the technical field of catalyst modification, and discloses an amino acid porous ionic liquid adsorbent as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing amino acid ionic liquid and polyol to obtain a eutectic solvent; and dispersing the metal organic framework material in the eutectic solvent to obtain the amino acid porous ionic liquid adsorbent. The preparation method is mild in preparation condition and suitable for batch production; the porous ionic liquid is non-volatile, environment-friendly, low in equipment requirement and beneficial to industrial application. The porous ionic liquid disclosed by the invention can efficiently desorb CO2 at a relatively low temperature while efficiently capturing CO2, the desorption temperature is obviously lower than that of traditional ethanolamine (110-140 DEG C), the technical barrier is overcome, and the method is a CO2 capturing method with industrial ...

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