It occurs chiefly as stannic oxide , SnO 2 in cassiterite.主要以氧化物状态存在.One of the key problems in its origin is the solubility of cassiterite in granitic melt.锡石在花岗质熔体中的溶解度,是阐明花岗岩全岩型锡矿成因的关键....
Immunoassays are the tests physiologists have traditionally used in such studies.免疫测定法是生理学家在类似研究中传统使用的方法.Shows a protein microarray composed of spots which act as sandwich immunoassays.显示点组成蛋白质芯片作为夹心免疫.Studies to date ha...
It is nearly always women who are the primary care givers.从事初级保健护理工作的几乎都是女性。They are very generous givers to charity.他们是慈善事业的慷慨捐助者。Care-givers get a chance to socialize with men and women who are in the same position as ...
Pitchblende and chalcolite are much more radioactive than uranium itself.沥清铀矿和铜铀云母比纯铀的放射性强得多.Chalcolite ( crystallized phosphate of copper and uranium ) is about twice as radioactive as uranium.铜铀云母 ( 铜和铀的磷酸盐结晶体 ) 的放射性是铀...
I can hardly believe it's been over eight years since you used to go camping at Cedar Creek.我几乎无法相信现在距离你过去常常去松溪露营的日子已经有8年多了。He sprang through the creek.他跳过小河.He was transferred to Shoal Creek Mental Institution for ...
The poor economic data will not be restricted to shares?不佳的经济数据会不会继续制约A股?Detainees will also be restricted to some basic facilities during their stay on those units.呆在该等单元期间,被拘留人同时将只能限于使用一些基本的设施.Some stigma stones will h...