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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 10. Отображено 10.
09-07-2020 дата публикации

PREPARATION METHOD AND USE OF WATER SOLUBLE BLUE FLUORESCENT SILICON QUANTUM DOTS

Номер: WO2020140325A1
Принадлежит:

Disclosed are a preparation method and a use of water soluble blue fluorescent silicon quantum dots. The preparation method uses a silane as a silicon source and involves subjecting the silane and sodium citrate to a hydrothermal reaction to prepare the water soluble blue fluorescent silicon quantum dots, the method being easy to control and low cost. The silicon quantum dots prepared thereby have a high quantum efficiency, strong UV absorption, good monodispersity, and excellent water solubility and pH stability, and can complex with chloroplasts to significantly enhance the photosynthesis of chloroplasts and promote plant growth and photosynthesis. The water soluble blue fluorescent silicon quantum dots have the characteristics of enhancing plant photosynthesis and can find use in plant photosynthesis, particularly in the preparation of plant nutrient solutions.

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31-05-2018 дата публикации

QUANTUM DOT AND USE OF COMPOSITE MATERIAL THEREOF IN PREPARING ULTRAVIOLET RESISTANT PRODUCTS

Номер: WO2018095442A1
Принадлежит:

Disclosed is a use of quantum dot or a quantum dot@inorganic compound in preparing ultraviolet resistant products. The quantum dots include carbon quantum dots and graphene quantum dots, and the quantum dot composite material is quantum dot@SiO2, quantum dot@Al2O3, quantum dot@ZnO, carbon quantum dot@TiO2, or quantum dot@BaSO4; the ultraviolet resistant products are fiber, cosmetics, coating, ink, resin or rubber. In the present invention, the ultraviolet resistant products made from the quantum dot or the quantum dot composite material absorbs UVA and UVB with remarkable effect, has low manufacturing cost, and are safe (non-toxic) and stable (not prune to decomposition).

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28-07-2023 дата публикации

Method and system for realizing OPENSTACK NAT session log

Номер: CN116506282A
Принадлежит:

The invention provides a method and system for achieving an OPENSTACK NAT session log, and relates to the technical field of communication, the method and system are applied to an OPENSTACK NAT session log system, the OPENSTACK NAT session log system comprises a kernel part and a user mode program, the kernel part is connected with the user mode program, and the method comprises the steps that the kernel part converts an NAT address and generates an NAT session log; the kernel part sends the NAT session log to the user mode program; and the user mode program stores the NAT session log into a corresponding database. Therefore, the OPENSTACK can record the NAT session log while realizing the NAT function, thereby facilitating IP traceability, troubleshooting and positioning of network security events.

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11-05-2017 дата публикации

DEVICE AND PROCESS FOR RECEIVING SLURRY-BALANCED PIPE JACKING MACHINE IN HIGH-WATER-PRESSURE CONDITION

Номер: WO2017075742A1
Принадлежит:

A device and a process for receiving a slurry-balanced pipe jacking machine in a high-water-pressure condition. As to the device and the process, a steel brush is used as a first water-stopping curtain of a pressurized receiving cabin, to make it have a sufficient pressure-bearing capacity to bear the water and earth pressure on an outer wall of a pipe joint, preventing the soil erosion; rubber is used for a second water-stopping curtain (23) to stop water; and then inject Marithan between the two water-stopping curtains to close the water-system communication between the pipe jacking machine and the formation, and inject cement paste between the outer wall of the pipe joint and an orifice-pipe to achieve clogging. Accordingly, there is no water leakage when the cabin is opened, and the operation of receiving the pipe jacking machine is successfully completed. Said device and process can effectively prevent water-permeating and water-leakage accidents during the operation of the slurry-balanced ...

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29-06-2016 дата публикации

Balanced pipe pushing jack receiving arrangement of muddy water under high water condition

Номер: CN0205349342U
Принадлежит:

... 高水条件下泥水平衡顶管机接收装置,其采用钢刷作为有压接收舱的第一道止水帘幕,使其有足够的承压能力承受管节外壁的水土压力,防止水土流失;第二道采用橡胶止水帘幕止水;然后在两道止水帘幕间注马丽散封闭顶管机与地层的水系联通,管节外壁与孔口管间注水泥浆封堵,从而达到开舱无漏水,顺利完成顶管机接收工作。与现有技术相比,本装置可有效阻止泥水平衡顶管机工作过程的透水、漏水事故,大大提高了工艺实施的安全性。 ...

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03-03-2004 дата публикации

一种单基多光色长余辉磷光体及其制备方法

Номер: CN0001478854A
Принадлежит:

A single-matrix multi-color long-afterglow phosphorescent body has the formula: CdSiO2:Re3t, where CdSiO3 is matrix and Re3+ is activating RE ion. It is prepared through proportional mixing, calcining in covered corundum crucible, and cooling in air.

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05-05-2023 дата публикации

Real-time video analysis method based on streaming computing

Номер: CN116074293A
Принадлежит:

The invention discloses a real-time video analysis method based on streaming computation, which is applied to the field of video analysis, and comprises the following steps: acquiring a video, and inputting the video into a Flink model; the video is decoded into a data stream in the Flink model; calling an asynchronous function after the data stream passes through a water line; and after the data stream passes through the time window, outputting the data stream to a target receiver. According to the scheme, the problems that an existing video analysis function is poor in expandability and high in real-time video analysis delay can be solved.

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05-04-2018 дата публикации

LUMINESCENT GLASS CERAMIC AND PREPARATION METHOD THEREFOR AND USE THEREOF IN LED ILLUMINATION DEVICE

Номер: WO2018058935A1
Принадлежит:

The present invention belongs to the field of inorganic luminescent materials and discloses a luminescent glass ceramic and a preparation method therefor and a use thereof in an LED illumination device. The luminescent ceramic is composed of a silicate red luminescent glass powder and Sr4Al14O25:Eu2+ in a mass ratio of 100:0 - 99.1:0.9, wherein the silicate red luminescent glass powder is composed of the following components, by molar fraction, 50% - 60% of SiO2, 20% - 30% of Na2CO3, 9% of Al2O3, 6% of CaO and 5% of Eu2O3. Since the emission wavelength range of the fluorescent powder used covers 450 - 550 nm, and a precursor glass powder can provide a red light portion at the same time, a luminescent glass ceramic obtained therefrom can obtain a warm white light under excitation of an ultraviolet chip at 385 nm. By regulating and controlling a ratio of the fluorescent powder to the glass powder, the types of the warm white light are also slightly different, and the type of field and the ...

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04-07-2023 дата публикации

Silane functionalized carbon dot-based multicolor room-temperature phosphorescent composite material as well as preparation method and application thereof

Номер: CN116376543A
Принадлежит:

The invention belongs to the technical field of new materials, and discloses a silane functionalized carbon dot-based multicolor room-temperature phosphorescent composite material as well as a preparation method and application thereof. The multi-wavelength excited silane functionalized carbon dot-based room-temperature phosphorescent composite material is composed of a solid matrix and a silane functionalized carbon dot material, and the composite powder can emit multi-color room-temperature phosphorescence under different excitation wavelengths. More importantly, some composite materials show a dynamic phosphorescence color change from yellow to green under continuous excitation of light with a specific excitation wavelength. Unexpectedly, some composite materials are found to be capable of being excited by white light diodes, even long-wave green light. According to a reasonable strategy provided by the invention, the composite material which shows multicolor phosphorescence under multi-wavelength ...

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18-07-2023 дата публикации

Flexible solid-state lithium battery with high interface stability as well as preparation method and application of flexible solid-state lithium battery

Номер: CN116454403A
Принадлежит:

The invention relates to a flexible solid-state lithium battery with high interface stability and a preparation method and application thereof, and the preparation method comprises the following steps: preparation of a reactive electrode plate, preparation of a reactive flexible solid-state electrolyte precursor solution, assembly of the flexible solid-state lithium battery, and excitation by means of spontaneous, ultraviolet light or heating. And after the reactive positive plate, the reactive negative plate and reactive functional groups on the reactive flexible solid electrolyte precursor solution are subjected to interface reaction, the flexible solid lithium battery with a high-stability interface is obtained. The reactive functional group of the reaction electrode can be subjected to in-situ reaction with the flexible solid electrolyte with the reactive functional group, and a strong covalent bond is formed at an interface. According to the flexible solid-state lithium battery, stable ...

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