Among the simplest are the lanthanum compounds of the form La?其中最简单的是la? 研问降娘缁0合物.Description: Lanthanum Nitrate is soluble in water and moisture in wet air.说明: 硝酸镧溶于水,在潮湿的空气中易潮解.The extraction mechanism and separation p...
Lanthanum praseodymium - cerium rare earth ( LPC ) was a patent composition.镧镨铈混合稀土 ( LPC ) 是新型专利成分的混合稀土.Among the simplest are the lanthanum compounds of the form La?其中最简单的是la? 研问降娘缁0合物.Description: Lanthanum Nitrate is...
The colony whines a centerless loud drone that vibrates the neighborhood.蜂群嗡嗡喧闹的哀鸣振动邻里.Their neighborhood is being inundated by the rising waters of the Colorado River.他们的街区正被科罗拉多河上涨的河水淹没。Kids in his neighborhood clipped...
...fire alarms and smoke detectors.火警报警器和烟雾检测器Alarms went off and the sprinkler system turned on.顿警铃大响,漏水系统也启动了.We have fully functional smoke alarms on all staircases.我们在各层楼梯都安装有完全可用的烟雾警报器。Hundreds of lives could be sav...
到目前为止，反叛分子面对威胁的反应非常谨慎。Rebel sources have so far reacted cautiously to the threat.书架上摆满了有关环境威胁的书，不堪重负。Bookshelves groan under the burden of books on threats to the environment.威胁的迫切性the immediacy of threat...
Many thought that he was doomed to ignominious failure.许多人认为他注定会极不光彩地失败。North Vietnamese stonewalling doomed Cambodia, however, to prolonged agony.然而北越人的拖延战术却使柬埔寨惨遭长期的磨难.Whether some matters are doomed to be contrary to ...
他在拍卖行、古玩店和跳蚤市场中寻宝。He finds material at auctions, antique shops and flea markets.葛丽泰·嘉宝想方设法躲开记者和摄影师。Greta Garbo went to great lengths to hide from reporters and photographers.贝夫用她一贯滑稽耍宝的方式逗她发笑。Bev made her laugh, the way ...
The photographic elements contain a blue - sensitive hydrophilic colloid silver halide emulsion layer.照像材料含有亲水胶体的感蓝卤化银卤剂层.No colloid, surfactants or emulsifying agents are employed in the process.本法不使用胶 、 表面活化剂或乳化剂.This ...
She had placed a great deal of faith in Mr Penleigh.她对彭利先生极其信任。This involved the deletion of a great deal of irrelevant material.这包括删除很大一部分不相关的内容。Stationary cars in traffic jams cause a great deal of pollution.交通堵塞中静止不动的...