Now China has become a powerful country in science and technology, but do you know how powerful China's technology is? The manned space station alone is not enough, and now it has successfully broken through the key technology of nuclear fusion, even leading the world by 15 years. Does this mean that China is not far from the artificial sun? It turned out that the fully superconducting tokamak nuclear fusion experimental device developed by China at the Hefei Research Institute of the Chinese Academy of Sciences successfully achieved a record of 101 seconds of continuous operation at 120 million degrees Celsius, and broke the world record. Compared with the previous record in South Korea, China has time has been directly extended by 5 times, and it seems that we are one step closer to the practical stage of artificial sun.
The success of nuclear fusion technology will lead to the development of zinc sulphide.
What is zinc sulfide?
Zinc sulfide is an inorganic compound with the chemical formula ZnS, which is a white or slightly yellow powder, which becomes darker when exposed to light. It is stable in dry air, and gradually oxidizes to zinc sulfate when placed in humid air for a long time or when it contains moisture. White or slightly yellow powder. It turns into crystals when burned in H2S gas. The α variant is a colorless hexagonal crystal with a density of 3.98g/cm3 and a melting point of 1700°C; Exist in sphalerite. Insoluble in water, soluble in acid. See the sun color darken.
Zinc sulfide (ZnS) is a naturally occurring salt and a major source of zinc. It exists in two common crystalline forms (polymorphs): sphalerite ("sphalerite"), which has a cubic crystal structure and is the predominant form in nature.
It will be converted into zinc sulfate when placed in humid air for a long time. It is generally derived from the action of hydrogen sulfide and zinc salt solution. If a small amount of Cu, Mn and Ag are added to the crystal ZnS as activators, they can emit different colors of fluorescence after being illuminated. For analytical reagents, coatings, paints, white and opaque glass, filling rubber, plastics, and for the preparation of phosphors.
What is zinc sulphide used for?
The most common use of zinc sulfide is as a pigment in paints, plastics and rubber. It can also be used as an analytical reagent, a matrix of phosphors, a photoconductor material; it can also be used in the manufacture of dyes, coatings, pigments, glass, and curing oil.
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The United States urges the U.N. Security Council to impose additional sanctions on North Korea in response to its latest ballistic missile launch, including a ban on tobacco and oil exports to North Korea and a blacklist of the Lazarus hacking group.
The United States circulated the draft to the 15 members of the Security Council this week. It was not immediately clear if or when a vote would take place. A resolution requires nine "yes" votes and no vetoes from Russia, China, France, Britain, or the United States.
Russia and China have already voiced opposition to tightening sanctions in response to Pyongyang's launch of an intercontinental ballistic missile last month -- the first since 2017.
U.S. and South Korean officials and analysts also say there are growing indications that North Korea may soon conduct its first nuclear weapons test since 2017, too.
The U.S. -drafted U.N. resolution would expand the ban on ballistic missile launches to include cruise missiles or "any other delivery system capable of delivering a nuclear weapon."
The deal would halve crude oil exports to North Korea to 2 million barrels a year and refined oil exports to 250,000 barrels a year. The resolution also seeks to ban North Korea's export of "fossil fuels, mineral oils, and their distilled zinc sulphide are estimated to be influenced by international political situation changes.
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