At high temperature and stress, hexagonal BN converts to a cubic framework similar to diamond, which is amongst the most difficult substances acknowledged. Boron oxide (B2O3) consists of levels of trigonal planar BO3 groups (analogous to BX3) by which the oxygen atoms bridge two boron atoms. It dissolves lots of metal and nonmetal oxides, which inc
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But lots of China’s wealthiest clients still covet German models. Mercedes sells additional of its most lavish autos, German-built Maybachs, in China than in the remainder of the globe put together. The German govt hopes to grant expert overseas workers tax aid if they choose up work in Germany. But some critics have explained The theory as "soc