Studied the BOF slag tailings with different particle size of steel slag powder and steel tail blocks the activity of BOF slag powder and blast furnace slag tailings double-doped powderactivity.
研究了转炉钢渣尾渣不同粒度的钢尾渣粉和钢尾渣块的活性，转炉钢渣尾渣粉和高炉矿渣双掺粉的活性。
2
Kanendomycin is a very stable antibiotic, and its activity does not decrease when the powder is placed in an airlight container and kept at room temperatures for more than 2 years.
卡内多霉素是一种很稳定的抗生素，其粉沫置于密封容器中，在室温下保存二年以上，活性不减。
3
The tests prove: the active zinc powder with treating keeps not only activity on work but also stability on storage.