Territory rich in mineral resources, with granite, kaolin and other minerals.境内矿产资源丰富, 用花岗岩 、 高岭土等矿种.The ability of clay minerals to catalyse decarboxylation has long been recognised.粘土矿物能催化脱羧基作用是早已认识到的问题.The floatabilit...
The living organisms somehow concentrated the minerals by biological processes.生命体通过某种生物过程聚集矿物质。Atoms within the fluid interact with the minerals that form the grains.液体中的原子与形成颗粒的矿物质相互作用。Minerals in general are not nearl...
Howe carefully cultivated Daniel C. Roper, the Assistant Postmaster General.豪谨慎地和邮政副部长丹尼尔·C.罗珀拉近关系。The postmaster shook his head sorrowfully.邮差难过地摇了摇头。The postmaster was a very polite old man.这位邮政局长是个非常有礼貌的老人....
How do acids react on metals?酸对金属会起什么样的化学反应?By this mechanism, new phosphatides containing the fatty acids of phosphatidyl choline may be prepared.根据这个原理, 可以制备含有磷脂胆碱脂肪酸的新磷脂.Acylglycerol ( glyceride ) An ester of glycerol...
周围的矿井里的确有沼气聚积。Methane gas does collect in the mines around here.尽管矿井的安全状况有了很大改善，矿工的家属仍然害怕最糟的情况会发生。Though mine safety has much improved, miners' families still fear the worst.矿井中用钢制通风机来保持空气流通。The pit is ventilated by...
Replace with a new disc holder assembly and oring.用新的阀瓣固定器总成和O形 环更换....the European bantamweight title-holder.欧洲最轻量级冠军Portfolio, Name Card Holder, Pen, Briefcases, Computer Bags, Bags and Cases.采购产品文件夹, 名字备置卡片烛台, 钢笔, 公文包...