China’s space station will use its own active hydrogen atomic clock

Recently, the 203 self-developed space active hydrogen atomic clocks of the China Aerospace Science and Industry Corporation's Second Institute won the first prize in China’s manned space astronomical space clock project. In the future, it will be used in China’s space station project and will be completed around 2022. emission.

It is reported that the space atomic clock project is one of the most difficult and complex projects in China’s manned space project. The project will establish a time-frequency laboratory in outer space to verify related scientific experiments that cannot be completed on the Earth’s surface, such as Einstein’s broad sense. Relativity and so on. The project uses the Shuguang clock, the gong fountain clock, and the active hydrogen atomic clock to form the space atomic clock bell group. The active hydrogen clock will be used as the core load and run without interruption for a long time.

According to experts, China will conduct time comparisons within a wider space. The system generates high-accuracy, high-stability time-frequency signals that will enhance China's Beidou navigation system. The active hydrogen atomic clock is the atomic clock with the highest short-term index in the atomic clock that can be maturely applied.

203 independently developed and designed space active hydrogen atomic clock, using storage and loading separation technology to achieve high reliability, miniaturization of the cavity and achieve process optimization. The overall weight of the finished product prototype is about 40 kilograms, the volume is one-fifth that of traditional active hydrogen, and the technical indicators have reached the domestic leading level.

Zhou Tiezhong, the person in charge of the project, said that in the future, the 203 will carry out engineering design and further strengthen the reliability of products to meet the requirements of the space environment. The autonomous development of the space-active hydrogen clock will contribute to the construction of China's space atomic clock project.

Inorganic Alkali

Inorganic Alkali is the most productive product in the basic chemical industry, and Inorganic Alkali is widely used as basic industrial raw material.The output and dosage of Inorganic Alkali mark the degree of industrial development of a country. Inorganic alkali is an industry with complete scale of enterprises and products in Chinese chemical industry, which has the most favorable conditions to form socialized mass production. Inorganic Alkali includes soda and caustic soda, which are closely related to heavy industries such as iron and steel, non-ferrous metal smelting, papermaking, glass, textiles, food and other light industrial sectors, as well as scientific and cultural undertakings, as well as people's lives. It has a prominent position in the national economy.


 Inorganic Alkali is mainly applied in the 7 fields as below:

1.  Inorganic Alkali is used in papermaking, cellulose pulp production;

2.  Inorganic Alkali is used for soap, synthetic detergents, synthetic fatty acids, and the refining of vegetable and animal oils.

3.  Inorganic Alkali is used for textile printing and dyeing industry as desizing agent, cooking agent and mercerizing agent.

4. The chemical industry use the inorganic alkali to produce borax, sodium cyanide, formic acid, oxalic acid, phenol and so on.

5. The petroleum industry use the inorganic alikali in refining petroleum products and in drilling mud in oil fields. Also use it in the production of alumina, metal zinc and copper surface treatment and glass, enamel, leather, medicine, dyes and pesticides.

6. Food-grade products use the inorganic alikali as acid neutralizer in food industry, as peaches and citrus peaches, as detergents for containers such as empty bottles and cans, as well as decolorizers and deodorizers.

7. Inorganic alikali can also be used as alkaline desiccant. Living alkali is widely used in national economy, and it is needed in many industrial sectors,such as chemical manufacturing,paper, aluminium, tungsten, rayon, artificial cotton and soap. In addition, in the production of dyes, plastics, chemicals and organic intermediates, the regeneration of old rubber, the production of sodium metal, the electrolysis of water and the production of Inorganic Salts, the production of borax, chromate, manganese salt, phosphate and so on also requires a large number of inorganic alikali.

Inorganic alikali Cautions:

[Storage Notice]

Inorganic alkaline belongs to corrosion products. Store in a cool, ventilated, dry storeroom with packing sealed. Pay attention to moisture, rain and sun. Avoid contact with acids. Take lightly when loading and unloading to prevent package breakage. When there is fire, please use sand and fire extinguishers

Inorganic Alkali

Inorganic Alkali

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