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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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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 4. Отображено 4.
30-06-2023 дата публикации

Device and method for cultivating oriental arborvitae seedlings by combining water culture and earth culture

Номер: CN116349594A
Автор: PEI HOUCHUAN, ZHANG ZONGWEN, ZHENG XIUGUO, LI GUANGQIAN, ZHAO YAN, LI LIN, HAO JUAN, WANG ZHEN, WANG DONG
Принадлежит:

The invention discloses a hydroponic and earth culture combined platycladus orientalis seedling cultivation device and method, and belongs to the field of seedling cultivation. A hydroponic culture and earth culture combined platycladus orientalis seedling cultivation device comprises a mounting plate and a culture pond, and is characterized in that the mounting plate is arranged in the culture pond, a liquid storage cylinder is embedded in the surface of the mounting plate, openings distributed at equal intervals are formed in the surface of the liquid storage cylinder, and the liquid storage cylinder is arranged in the culture pond. The periphery of the liquid storage cylinder is provided with a liquid outlet pipe for supplying a nutrient solution; through mutual cooperation of the liquid storage cylinder, the liquid outlet pipe, the mounting assembly, the sleeve, the supporting assembly and the stirring assembly, a nutrient solution needed by the nursery stock is injected near the root ...

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Номер записи: 1
18-07-2023 дата публикации

Cacumen biotae planting seed screening device and screening method thereof

Номер: CN116441155A
Автор: PEI HOUCHUAN, ZHANG ZONGWEN, ZHENG XIUGUO, LI GUANGQIAN, ZHAO YAN, LI LIN, HAO JUAN, WANG ZHEN, WANG DONG
Принадлежит:

The invention discloses a platycladus orientalis planting seed screening device and a screening method thereof. The platycladus orientalis planting seed screening device comprises a first bracket, a second bracket and a third bracket, a right support and a left support are installed on the second support, a fourth support and a fifth support are connected to the right support and the left support in a sliding mode, a first sieve plate and a second sieve plate are connected to the fourth support and the fifth support respectively, and each of the first sieve plate and the second sieve plate is provided with a feeding end and a discharging end. The second support is connected with a first storage box and a second storage box, and the first storage box and the second storage box reciprocate in a staggered mode when the fifth support and the fourth support are in the moving state. As the first sieve plate and the second sieve plate are arranged in a staggered manner, when seeds on the upper ...

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Номер записи: 2
01-08-2023 дата публикации

Efficient and environment-friendly starting method for dilute nitric acid production device

Номер: CN116514079A
Автор: LI QINGQING, QIAN MING, FENG XIPENG, AN ZHAOHUI, LI JINGLI, SUN ZHONGMING, LI GUANGQIAN, LI NING, ZHI BAONING, XI ZHEN
Принадлежит:

The invention relates to a method for efficiently starting a dilute nitric acid production device in an environment-friendly manner, which belongs to the technical field of nitric acid production and comprises the following steps: A, evaporating and filtering liquid ammonia, and heating until the pressure reaches 0.45-0.85 MPa; b, adjusting the rotating speed of the air compressor, the angle of a stationary blade and an anti-surge valve of the air compressor, and designing 28-33% of the load air volume; c, ignition preparation is made; d, opening a gas ammonia main valve; and E, igniting a hydrogen ignition device, introducing ammonia into the oxidation furnace for 1-2 minutes, matching the ammonia-air ratio to 7.5% or above, starting to red a catalyst platinum net and rapidly rising the furnace temperature of the oxidation furnace, indicating that the ignition of the oxidation furnace is successful, turning off the hydrogen ignition device, adjusting the air volume of an air compressor ...

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Номер записи: 3
28-04-2023 дата публикации

Structure for improving denitration separation efficiency in magnesium nitrate solution

Номер: CN116020142A
Автор: QIAN MING, FENG XIPENG, LI QINGQING, LI GUANGQIAN, LI NING, AN ZHAOHUI, ZHI BAONING
Принадлежит:

The invention relates to the technical field of chemical product concentrated nitric acid production, in particular to a structure for improving denitration separation efficiency in magnesium nitrate solution, which comprises a buffer tank, the top of the buffer tank is communicated with a liquid inlet pipe, the top of the liquid inlet pipe is communicated with a concentration tower, and the bottom of the buffer tank is fixedly connected with a spiral discharger. A first valve is installed on the outer side of the bottom of the spiral discharger, the outer side of the inclined part of the buffer tank is communicated with an emptying pipe, a vertically-arranged steel column is fixedly connected into the buffer tank, and a buffer steel plate is fixedly connected to the top of the steel column; the buffer steel plate and the steel column can buffer the falling speed of a magnesium nitrate solution, reduce scouring to a heating steam coil of the magnesium nitrate solution heater, also can settle ...

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Номер записи: 4