Boron phosphide (BP) is an inorganic compound composed of boron and phosphorus. It is a kind of semiconductor material. It was synthesized by French chemist Henri Morvasan in 1891 and has a sphalerite crystal structure.

Alum were of the world, "said the alum hills has more than 640 years of alum mining, smelting, accumulated a rich culture, cultivate a large number of geological, geographical knowledge and good at professional mine of the mining technology.

Indeed, the most beneficial value of phosphorus is its contribution to the agricultural industry.

As the most decentralized of the family of rare earth elements, known as important in the 21st century "green energy technology of metal" "key" or "strategic" mineral resources - laser weapons, aviation spacecraft on key materials.

Praseodymium oxide (Pr6O11) is an inorganic compound that can be used in glass, metallurgy, and as a phosphor additive. Praseodymium oxide is one of the important products in light rare earth products.

Samarium is light yellow and is the raw material of samarium-cobalt permanent magnets. Samarium-cobalt magnets are the first rare-earth magnets to be industrially applied.

Wire cutting you must have heard of it, it belongs to the electrical machining of machine tools, mainly used in the processing of mold, complex shape or micro structure and other products, the tool used in the cutting process is a thin line.

The natural phanerocrystalline graphite, resembling fish phosphorus in shape, is a hexagonal system with layered structure.

Last year, Lightelligence, a photonic AI chip company backed by the M.I.T. team, announced an important development -- the successful development of the world's first Prototype photonic chip.

At present, the third generation compound semiconductors represented by silicon carbide (SiC) and gallium nitride (GaN) are receiving more and more attention.