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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.
06-07-2016 дата публикации

Hexavalent chromium pollutes prosthetic devices of groundwater

Номер: CN0205367950U
Принадлежит:

... 本实用新型涉及一种六价铬污染地下水的修复装置,抽水系统的抽水井内设有井管,井管的中下部为筛管,潜水泵安装在筛管内,导管一端与潜水泵连接相通、另一端伸出井管并与地面上的导管连接相通;布水系统上的多个布水支管与布水主管连接,主水管与导管连接;填料系统在挡板内从上至下的还原反应填料层、吸附填充层和渗透层,多个布水支管呈辐射状布设在还原反应填料层的上部,还原反应填料层填充的还原反应介质用于将地下水中的六价铬污染物还原为三价铬,所述的吸附填充层内填充的吸附介质用于吸附地下水中剩余的六价铬污染物,渗透层填充的渗透介质用于渗透修复后的地下水。本实用新型能降低施工难度及修复成本,能对修复材料进行更换。 ...

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27-08-2021 дата публикации

Pedestal pan with hidden water inlet valve

Номер: CN214061851U

The utility model discloses a pedestal pan with a hidden water inlet valve, which comprises a pedestal pan body, a water inlet assembly used for leading an external water source into the pedestal pan and the water inlet valve used for controlling the connection and disconnection of the water inlet assembly and the external water source, a pipeline arrangement cavity is formed on the rear side of the pedestal pan body, and the pedestal pan body is opened towards the rear side. The water inlet valve is installed in the pipeline arrangement cavity through the opening. According to the pedestal pan, in the actual application process, due to the fact that the water inlet valve is designed on the inner side of the pipeline arrangement cavity on the rear side of the pedestal pan body, the opening is formed in the pedestal pan body towards the rear portion, and the water inlet valve can be installed through the opening, so that the water inlet valve is hidden on the inner side of the pedestal pan ...

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25-04-2023 дата публикации

Process for preparing industrial kiln injection fuel by recycling waste plastic without water washing

Номер: CN116004295A
Принадлежит:

The invention relates to the technical field of waste plastic recovery, and provides a waste plastic recovery anhydrous washing industrial kiln injection fuel preparation process which comprises the following steps: raw materials are pretreated through a raw material pretreatment unit, the raw material pretreatment unit sequentially performs mechanical sorting and fine sorting, and the sorted materials are sent to a product processing unit; the product processing unit comprises rotary cutting and plastic accompanying, shaping extrusion and two-stage crushing to obtain a product of which the particle size is less than or equal to 3mm; and packaging the particle products which are crushed to reach the standard by using a ton packaging machine. The problems that the cost of a traditional low-value plastic film granulation process is too high, and the economical efficiency of a product used as alternative fuel is not matched are solved.

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