1. Reasonably adjust the feeding speedFeeding speed has a great influence on calcium absorption rate. Both too fast speed and too slow speed will cause the decrease of the absorption rate. The cored w...
A binary alloy composed of silicon and calcium belongs to the category of ferroalloys. Its main components are silicon and calcium, and it also contains different amounts of impurities such as iron, a...
Discover history of cobalt metallurgyIn 1753, the Swedish chemist G. Brandt separated the pale rose-colored gray metal from cobaltite, which is the metal cobalt with higher purity. Therefore, Brandt i...
