单词:reduction with sodium amalgam
单词:reduction with sodium amalgam 相关文章
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is
LONDON, June 16 (Xinhua) -- Drillings and fillings at the dentist's are always dreadful and make tooth decay treatment very unpleasant. But British scientists have developed a new approach of fixing tooth decay, which could get rid of all the drillin
Sodium? 钠吗? Yes, sir. Mixed with mercury, it forms an amalgam that takes the place of zinc in Bunsen cells. 是的,先生。钠跟汞混合,成为一种合金,代替本生电池中所需要的锌。 The mercury is never depleted. Only the
GRE词汇对考生们的要求是比较高的,并且一些疑难的词汇会为考生们造成困扰,小编为考生们汇总了GRE考试八个难词,并做了相关解析。 abhor 憎恶,厌恶:恐惧或憎恨;痛恨 (ab-away-远离,hor-
Part six 第六章 Apicoectomy 根尖切除术 Excuse me. Is the Doctor in? 请问,医生在吗? Good afternoon, sir. The Doctor is here today. Do you have an appointment? 下午好,先生。医生今天不上班。你预约了没有? No, I d