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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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Применить Всего найдено 11. Отображено 11.
11-04-2023 дата публикации

Method for preparing battery-grade lithium carbonate from lithium-containing wastewater generated in production of aluminum oxide from fly ash

Номер: CN115947354A
Принадлежит:

The invention provides a method for preparing battery-grade lithium carbonate from lithium-containing wastewater generated in production of aluminum oxide from fly ash. The method comprises the following steps: S1, carrying out concentration treatment on the lithium-containing wastewater to obtain a lithium-enriched solution; s2, extracting the lithium-enriched liquid by adopting an organic phase to obtain a lithium-containing organic phase; s3, the lithium-containing organic phase is subjected to reverse extraction, and reverse extraction liquid is obtained; s4, performing precipitation and impurity removal on the strip liquor to obtain lithium chloride-containing liquor; and S5, adding sodium carbonate and the lithium chloride-containing liquid for precipitation reaction to obtain lithium carbonate. The method for extracting the lithium in the lithium-containing wastewater generated in aluminum oxide production through the fly ash acid method is provided for the first time, the high lithium ...

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12-09-2017 дата публикации

The magnetic powder of the coating device and its covering method

Номер: CN0105251994B
Автор: 杜宇, 吕建伟, 谢旭霞
Принадлежит:

... 本发明提供种磁粉的包覆装置及其包覆方法,该装置包括搅拌机和与所述搅拌机出料口连接的烘干罐,所述搅拌机用于将包覆和被包覆材料搅拌均匀并实现包覆,包括:壳体,内部中空,所述壳体的内部用于容纳包覆和被包覆材料;入料口,设于所述壳体的上端部,用于加入包覆和被包覆材料;超声振动棒,设置于所述壳体内部,用于搅拌包覆和被包覆材料;机械搅拌桨,设置于所述壳体内部,用于搅拌包覆和被包覆材料;以及出料口,设于所述壳体的下端部,用于输出完成包覆的物料。通过利用超声振动棒的振动和发热与机械搅拌桨的机械搅拌相结合的方式进行混料包覆,相对于单纯机械搅拌而言,可使搅拌具有更均匀,从而包覆效果更好的优点。 ...

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18-04-2023 дата публикации

Method for extracting aluminum-gallium-lithium system from coal gangue

Номер: CN115976324A
Принадлежит:

The invention relates to a method for extracting an aluminum-gallium-lithium system from coal gangue. The method comprises the following steps: carrying out leaching reaction on the coal gangue and inorganic acid to obtain an acid leaching solution; enabling the acid leaching solution to pass through ion exchange resin to obtain a refined solution, and eluting the ion exchange resin with diluted hydrochloric acid to obtain an eluent; concentrating and crystallizing the refined liquid to obtain inorganic acid aluminum salt crystals and separated filtrate, and calcining the crystals; enabling the eluent to pass through a gallium extraction resin column, and eluting the gallium extraction resin with diluted hydrochloric acid to obtain a second eluent; adding sodium hydroxide, then carrying out filtering treatment, adding hydrochloric acid into filtrate, then carrying out filtering treatment to obtain gallium mud, adding a sodium hydroxide solution to form a gallium solution, and carrying out ...

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02-05-2023 дата публикации

Multipurpose warning device for road maintenance construction

Номер: CN116043743A
Принадлежит:

The invention relates to the technical field of road warning devices, and discloses a multipurpose warning device for road maintenance construction, which comprises a base, a sleeve is fixedly mounted on the upper end surface of the base, a mounting plate is fixedly mounted on the upper end surface of the sleeve, two groups of first shaft seats are fixedly mounted on two sides of the mounting plate, and warning plates are rotatably connected in the two groups of first shaft seats. An adjusting assembly facilitating folding of the warning plate is arranged in the sleeve, a protection assembly used for protecting the warning device is arranged on the upper end face of the base, and an auxiliary assembly for reminding a vehicle is arranged on the warning plate. According to the multi-purpose warning device for road maintenance construction, by arranging the adjusting assembly, a warning plate is converted into a vertical state from a horizontal state, the effect of warning a vehicle is achieved ...

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25-08-2023 дата публикации

Coating process for color register of automobile body

Номер: CN116637787A
Принадлежит:

The invention discloses a coating process for color register of an automobile body, which belongs to the technical field of coating and comprises the following steps: floating coating and drying; carrying out first floating coat polishing; reverse shielding installation; drying dark colored paint, varnish and colored paint for the first time; removing a reverse shield; polishing the floating coat for the second time; the waistline is shielded and installed; drying the light colored paint, the varnish and the colored paint for the second time; removing the waistline shield; and polishing a waist line and modifying. According to the coating process, temporary shielding, namely reverse shielding, on the position where paint defects are prone to occurring is added before the first time of deep colored paint is sprayed; according to the process, reverse shielding is adopted, operation is easy, consumed time is short, the problems of floating and the like of specific positions can be completely ...

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18-08-2023 дата публикации

High-resistivity amorphous alloy strip and preparation method thereof

Номер: CN116607085A
Принадлежит:

The chemical formula of the amorphous alloy strip is FeaPbCrcBdSieCuhNifMog, a, b, c, d, e, f, g and h are atomic percent, 65 < = a < = 77, 8 < = b < = 13, 5 < = c < = 10, 3 < = d < = 6, 0 < e < = 2, 0 < f < = 5, 1 < = g < = 5, 0 < h < = 2, and a + b + c + d + e + f + g + h = 100, fe represents an iron element, P represents a phosphorus element, Cr represents a chromium element, B represents a boron element, Si represents a silicon element, Ni represents a nickel element, Mo represents a molybdenum element, and Cu represents a copper element. The amorphous alloy strip provided by the invention has a relatively high glass transition temperature, the application of the amorphous alloy strip in the field of low-temperature heating is ensured, and the amorphous alloy strip has high resistivity, high strength and high hardness and can meet the use requirements in different environments.

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15-08-2023 дата публикации

Three-phase separator with backwashing function for petroleum sewage treatment

Номер: CN116589010A
Принадлежит:

The invention relates to the field of petroleum sewage separation, in particular to a three-phase separator with a backwashing function for petroleum sewage treatment. A three-phase separator used for petroleum sewage treatment and having a backwashing function comprises a base, the base is provided with a separation tank, the separation tank is fixedly connected with an oil inlet pipeline, an oil outlet pipeline, a sewage discharge pipeline, a water return pipeline and a gas inlet pipeline, and a gas-liquid separation assembly used for separating natural gas from petroleum sewage is arranged in the separation tank. A drainage assembly used for drainage of petroleum sewage and natural gas is arranged in the separation tank, a gas inlet assembly used for separation of petroleum and sewage is arranged at the bottom of the separation tank, and the gas inlet assembly is provided with a pressure storage assembly used for preventing sewage from flowing back and entering a gas inlet pipeline.

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04-04-2023 дата публикации

Microgravity environment fluid thermal stratification eliminating device

Номер: CN115900818A
Принадлежит:

The invention discloses a microgravity environment fluid thermal stratification eliminating device, which relates to the field of low temperature and refrigeration engineering and comprises a liquid storage tank, a fluid pump, an ejector, a liquid supply subsystem and the like. The liquid supply subsystem can be divided into an external liquid supply storage tank or adopts a mode of combining a metal net curtain and a flow outlet according to the distinguishing of a liquid source of a fluid pump. According to the specific process, after a liquid supply system obtains liquid, the liquid flows into an ejector through the pressurization effect of a pump and is jetted into a liquid storage box through small holes in the ejector. The ejector can be divided into a rod-shaped ejector, a spherical ejector and a point-shaped ejector. When liquid flows out of fog drops through the three ejectors, the liquid is jetted into the storage tank through small holes in a rod in a paraboloid (rod-shaped ejection ...

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08-06-2016 дата публикации

Flat mushroom raw material cultivation instrument of ventilating

Номер: CN0205284279U
Принадлежит:

... 种平菇生料栽培打孔通气工具,由手柄、托盘、通气锥组成,制作材料为不锈钢;手柄位于托盘的下底面中央,成扁圆柱体;托盘呈圆形,比菌袋的横截面略小;通气锥由3根直径为1厘米尖头的椎体组成,每根椎体的长度为15厘米,三根椎体成等边三角形分布在托盘的上表面。使用时,将托盘对准菌袋的端,抓住手柄将通气锥插入菌袋,然后抽出,个菌袋处理完成。该工具制作简单,使用方便,在保证菌袋通气量的同时提高工作效率。 ...

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07-04-2023 дата публикации

Real-time measurement device for engineering construction quality acceptance

Номер: CN115930074A
Принадлежит:

The invention relates to the technical field of engineering measurement, and discloses an engineering construction quality acceptance real-time measurement device which comprises a base, an electric-hydraulic push rod is fixed to the base, a supporting plate is fixed to the output rod end of the electric-hydraulic push rod, a motor is fixedly installed in the middle of the upper end face of the supporting plate, and a rotating rod is fixed to the rotor shaft end of the motor. A mounting plate is fixed to one end of the rotating rod, a detection assembly for measuring the position of the wall top crack is arranged on the upper end face of the mounting plate, and an auxiliary assembly for assisting adjustment of the detection assembly is arranged on the supporting plate. According to the real-time measurement device for engineering construction quality acceptance, through a manual clamping structure, the detection head at the upper end of the adjusting rod is in a vertical state or a horizontal ...

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27-07-2016 дата публикации

Can transfinite position to overhead traveling crane rising carries out device tested

Номер: CN0205397918U
Принадлежит:

... 种能够对天车上升超限位进行测试的装置,属于天车起升机构控制技术领域,用于对天车上升超限位进行测试。其技术方案是:它由个保持按钮和根电缆组成,保持按钮安装在司机室内,保持按钮的导线通过电缆并联在天车上升限位的常闭触点两端。本实用新型在天车上升限位的常闭触点上并联有保持按钮,在需要对上升超限位进行检测时,按下保持按钮,保持按钮的常开触头闭合,使上升限位短接,上升限位不起作用,天车可以继续上升,达到检测上升超限位的状态的目的。本实用新型设计合理、结构简单、操作容易、安装维护方便、施工成本低,以非常简单的结构解决了长期没有解决的问题,轻松实现了上升限位和上升超限位的切换测试,值得推广应用。 ...

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