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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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19-08-2015 дата публикации

Graphene preparation method

Номер: CN104843688A
Автор: GAO HUA, LI DAILI, YAO LIN, HUANG QUANGUO, LIAO GAOMIN, MOU SHUNYU
Принадлежит:

The invention discloses a graphene preparation method. The method comprises the processes of liquid phase expansion treatment, ultrasonic peeling and drying, and the ultrasonic peeling process comprises the following steps: adding a peeling solution and wormlike graphene aggregation obtained after the liquid phase expansion treatment into a tank body provided with a plurality of ultrasonic vibration rods in proportion, introducing compressed air into the tank body to bubble and stir in order to make the wormlike graphene aggregation dispersed and suspending in the peeling solution, and controlling the ultrasonic vibration rods to carry out ultrasonic vibration treatment for 0.5-20h in order to obtain a flocculent graphene suspension. The method allows the wormlike graphene aggregation to be uniformly dispersed in the peeling solution, so the peeling effect is improved, and the peeling time is shortened.

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Номер записи: 1
15-07-2015 дата публикации

Expanded reaction device for preparing graphene

Номер: CN104773728A
Автор: LIAO GAOMIN, GAO HUA, DU XIAOFENG, LI DAILI, WANG LAN, HUANG QUANGUO
Принадлежит:

The invention discloses an expanded reaction device for preparing graphene. The expanded reaction device for preparing graphene comprises a tank body and a stirring device, wherein the tank body is provided with a jacket, a hot water or steam inlet is arranged at the lower part of the jacket, and a hot water or steam outlet is arranged at the upper part of the jacket; the stirring device comprises a motor and a stirring shaft; the motor is fixedly arranged at the upper part of the tank body, and the stirring shaft is arranged in the middle of the tank body through the motor. According to the expanded reaction device for preparing graphene, disclosed by the invention, a graphite intercalation compound in the reaction process can come into full contact with expanding liquid, so that the purposes of accelerating the expanding reaction speed, improving the reaction sufficiency and lowering the expanding reaction time are achieved.

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Номер записи: 2