The cerusite can be collected by xanthate without sulfuration, however the flotation indexes are not good.在不硫化的条件下,黄药能够浮选白铅矿, 但浮选指标不高.Expounds liquid level control system of flotation machine and its industrial test.介绍浮选...
the talon of a bird of prey鸟类捕食的爪子When I have a talon with a keen edge.当我有了一对尖锐的利爪.Can you get a little tighter with the talon?你能不能把摄像探头固定住不动?Te talon would be just the thing, I think.我想,特多龙是最适合的布料了....
If you don't subsidize ballet and opera, seat prices will have to go up to pay for it.如果你不为芭蕾和歌剧提供补贴，就得提高剧场票价来为此买单。Many universities subsidize research and publications.许多大学资助研究和出版.The government continues to subsid...
旧时一些有名的巫师经常以祭品祈求他们所供奉神灵的助佑。The great magicians of old always invoked their gods with sacrifice.圣泉俗用被认为是亵渎神灵的行为。To desecrate a holy spring is considered profanity.人们供奉祭品以求神灵息怒。Sacrifices were made to propitiate the gods....
The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.以二羧酸和异丁醇为原料,用硫酸作催化剂,合成二羧酸二异丁酯.Conducting polyaniline ( PANI ) and poly - O - methylaniline ( POT ) were prepared by ...