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

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Применить Всего найдено 5. Отображено 5.
18-04-2023 дата публикации

Organic fluorescent material for high-sensitivity detection of oxygen difluoride as well as preparation method and application of organic fluorescent material

Номер: CN115974875A
Автор: CHENG JIANGLIAN, SUN LIN, TANG CAN, WANG BAILING, YAN QING, RONG XIAOQIAN, QIU XIANYU, CHENG YUETING, LIU JIE
Принадлежит:

The invention discloses an organic fluorescent material for high-sensitivity detection of oxygen difluoride as well as a preparation method and application of the organic fluorescent material. According to the organic fluorescent material, construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the interconnected network structure in the prepared organic fluorescent material provides a high-speed transmission channel for energy transfer among molecules, so that the rapid proceeding of photoinduced electron transfer is ensured, and meanwhile, the large specific surface area is beneficial to adsorption and diffusion with gas to be detected; the detection sensitivity of the organic fluorescent material is improved; the high fluorescence quantum yield is beneficial to further improvement of the detection sensitivity, and the lowest detection limit of the oxygen difluoride poison gas is greatly reduced. And the organic ...

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Номер записи: 1
14-04-2023 дата публикации

Organic fluorescent material for high-sensitivity detection of sulfur decafluoride as well as preparation method and application of organic fluorescent material

Номер: CN115960102A
Автор: ZHANG YIBIN, LIU JIE, RONG XIAOQIAN, QIU XIANYU, CHENG YUETING, SUN LIN, TANG CAN, WANG BAILING, YAN QING
Принадлежит:

The invention discloses an organic fluorescent material for high-sensitivity detection of disulfur decafluoride as well as a preparation method and application of the organic fluorescent material. According to the organic fluorescent material, construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the structural formula of the building unit is as follows: a network structure which is mutually connected and crossed in the organic fluorescent material provides a high-speed transmission channel for electron transfer among molecules, so that the rapid proceeding of photoinduced electron transfer is effectively ensured; the high fluorescence quantum yield is beneficial to further improvement of the detection sensitivity, and the lowest detection limit of the disulfur decafluoride toxic gas is greatly reduced. And the organic fluorescent material has no fluorescent response to phosgene, sarin poison gas, tower collapse ...

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Номер записи: 2
25-04-2023 дата публикации

Aggregate material based on perylene tetracarboxylic anhydride as well as preparation method and application of aggregate material

Номер: CN116003817A
Автор: CHENG JIANGLIAN, CHENG YUETING, LIU JIE, SUN LIN, TANG CAN, WANG BAILING, YAN QING, RONG XIAOQIAN, QIU XIANYU
Принадлежит:

The invention discloses an aggregate material based on perylenetetracarboxylic anhydride as well as a preparation method and application thereof. The aggregate material has specific selective response oxygen difluoride, and construction units are self-assembled and aggregated into a microscopic cross network structure with nanobelts through pi-pi stacking; the aggregate material prepared by the preparation method disclosed by the invention has a micron-sized uniform nanobelt structure and is regular and uniform in form, and a porous net structure formed by mutually connecting nanobelts provides a high-speed transmission channel for energy transfer among molecules; meanwhile, the large specific surface area is beneficial to adsorption and diffusion of to-be-detected gas, and the detection sensitivity of the material is improved. And the material has no fluorescent response to phosgene, sarin poison gas, tower collapse poison gas, thionyl fluoride or disulfide decafluoride and the like, has ...

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Номер записи: 3
23-06-2023 дата публикации

Organic fluorescent material for high-sensitivity detection of thionyl fluoride as well as preparation method and application of organic fluorescent material

Номер: CN116283979A
Автор: CHENG JIANGLIAN, QIU XIANYU, CHENG YUETING, LIU JIE, SUN LIN, TANG CAN, WANG BAILING, YAN QING, RONG XIAOQIAN
Принадлежит:

The invention discloses an organic fluorescent material for high-sensitivity detection of thionyl fluoride as well as a preparation method and application of the organic fluorescent material. According to the organic fluorescent material, construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the structural formula of the building unit is as follows: the interconnected network structure in the organic fluorescent material provides a high-speed transmission channel for electron transfer among molecules, so that the rapid proceeding of photoinduced electron transfer is ensured, meanwhile, the large specific surface area is beneficial to adsorption and diffusion with gas to be detected, and the detection sensitivity of the organic fluorescent material is improved; the high fluorescence quantum yield is beneficial to further improvement of the detection sensitivity, and the lowest detection limit of the thionyl fluoride ...

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Номер записи: 4
02-05-2023 дата публикации

Nano material with enhanced fluorescence response to sulfur decafluoride as well as preparation method and application of nano material

Номер: CN116041348A
Автор: CHENG JIANGLIAN, WANG BAILING, YAN QING, RONG XIAOQIAN, QIU XIANYU, CHENG YUETING, LIU JIE, SUN LIN, TANG CAN
Принадлежит:

The invention discloses a nano material with enhanced fluorescence response to disulfur decafluoride as well as a preparation method and application of the nano material. The nano material has specific selective response to disulfur decafluoride, and construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the nano material prepared by the method has a micron-sized uniform nanobelt structure and is regular and uniform in form, a high-speed transmission channel is provided for energy transmission among molecules by the interconnected netlike structure of the nanobelts, and meanwhile, the large specific surface area of the nanobelts is beneficial to adsorption and diffusion with gas to be detected; compared with the prior art, the detection sensitivity of the material is improved, and the material has no fluorescent response to phosgene, sarin poison gas, tower collapse poison gas, thionyl fluoride or oxygen difluoride ...

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Номер записи: 5