The application of anthracite in black powder is introduced. 文章介绍了无烟煤在工业黑火药中的应用。
What is this black powder on your desk? 你桌子上的黑色粉末是什么?
A fine black powder of platinum; used as a catalyst in chemical reactions. 一种黑色的铂的细粉末,在化学反应中用作催化剂。
Porperties : Brown black powder, solve in water and mellow. 性状:棕黑色粉末,溶于水和醇。
Black mercuric sulfide, a black powder obtained from mercury salts or by the reaction of mercury with sulfur, used as a pigment. 黑色硫化汞,是来自于汞盐或通过水银与硫磺反应而得到的一种黑色粉末,用作颜料。