The field may be provided by permanent magnets or by electromagnets.外地可能提供的永磁材料,或由电磁铁.The rails of their Maglev train were made of about 100 magnets.他们所做的磁悬浮列车轨道采用了约100块磁铁.Magnets are used for the controller's attac...
Oil is not dissoluble in water.油不溶于水.The method of titrimetric analysis of dissoluble carbonate in water glass has been established.建立了水玻璃中可溶性碳酸盐的滴定分析法....
Many sulphides, selenides, and tellurides have the nickel arsenide's NiAs type of structure.许多硫化物, 硒化物和碲化物具有砷化镍NiAs型的结构.The material is a semiconductor called gallium manganese arsenide.这种材料是一种叫做镓锰砷化物的东东.This paper ...