Element boron is a black or dark brown powder,its hardness is second only to diamond,and has a relatively brittle texture.It is mainly used in metallurgy,medicine,ceramics,nuclear industry,chemical industry and other industries.…
Sweden is in talks with Turkey on joining NATO and looks forward to strengthening cooperation with Turkey in security and counter-terrorism, Swedish Prime Minister Anders Andersson said recently. Andersson held a joint press conference with visiting…
Amorphous boron powder is a black or dark brown powder and is an important energy material. Amorphous boron powder is widely used in metallurgy, electronics, medicine, ceramics, nuclear industry, chemical industry and other fields.…
Boron powder is black or dark brown powder, which can react with fluorine at room temperature and is not corroded by hydrochloric acid and hydrofluoric acid aqueous solutions. Boron powder is insoluble in water, soluble in boiling nitric acid and sul…