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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 3. Отображено 3.
04-07-2023 дата публикации

Device for generating variable cross-section microfluidic channel through film deformation and preparation method thereof

Номер: CN116371487A
Автор: CHEN HUAYING, CHEN YIQUN, YU ZHIHANG, ZHAO WENTAO
Принадлежит:

The invention relates to a device for generating a variable cross-section microfluidic channel through film deformation and a preparation method thereof, the device comprises a gas path channel, the gas path channel comprises a photocuring liquid, and the photocuring liquid is cured through ultraviolet irradiation; the thin film is arranged below the gas path channel, and the thin film is deformed by the photocuring liquid to form a micro valve; the liquid path channel is arranged below the thin film, a liquid inlet is formed in one end of the liquid path channel, and a fluid outlet is formed in the other end of the liquid path channel. According to the device for generating the variable-cross-section micro-fluidic channel through thin film deformation, on the basis of not changing a male mold of a micro-fluidic chip, different thin film deformations are obtained through light curing deformation, and then fluid shear forces at different positions in the channel are changed.

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Номер записи: 1
26-09-2019 дата публикации

FLUID SHEAR STRESS GENERATION DEVICE AND FLUID SHEAR STRESS GENERATION METHOD

Номер: WO2019178923A1
Автор: CHEN, Huaying, CHEN, Chang, ZHU, Yonggang, YU, Zhihang
Принадлежит:

The present invention relates to the field of micro-fluidic chips. Disclosed are a fluid shear stress generation device and a fluid shear stress generation method. The device comprises a device body; a main flow passage and at least two branch flow passages are provided on the device body; the two ends of the main flow passage are provided with a fluid inlet and a main flow passage fluid outlet; one end of each branch flow passage is communicated with the main flow passage, and the other end is provided with a branch flow passage fluid outlet; valves capable of regulating cross sectional areas in the branch flow passages to allow fluid to pass through are provided in the branch flow passages. According to the present invention, by means of the cooperation of the main flow passage, the branch flow passages, and the valves, dynamic changes of the magnitudes and ratio of fluid shear stresses can be achieved without changing the flow velocity of input fluid and the structure of the device.

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Номер записи: 2
30-06-2023 дата публикации

Cell encapsulation system

Номер: CN116355726A
Автор: ZHU YONGGANG, YU ZHIHANG, JIN JING
Принадлежит:

The invention discloses a cell packaging system, which comprises a main controller, a dielectric field generation assembly, a sample introduction and sampling assembly and a microfluidic chip, the main controller outputs a to-be-processed voltage signal and a sample introduction control signal, the dielectric field generation assembly is connected with the main controller and is used for carrying out signal editing on the to-be-processed voltage signal to obtain a stable waveform signal, and the stable waveform signal is sent to the microfluidic chip; and amplifying the stable waveform signal to obtain a target waveform signal. The sample introduction and sampling assembly is connected with the main controller and is used for adjusting sample introduction air pressure according to the sample introduction control signal to obtain target sample introduction air pressure and pushing cell sample liquid placed in the sample introduction and sampling assembly to flow according to the target sample ...

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Номер записи: 3