这是冷却,滤出沉淀的二氯碘化铯.It is cool and filter the precipitated caesium dichloroiodide.常常是用离心法分段收集沉淀的.Precipitates are usually collected by centrifugation at intervals.最后探讨了固化沉淀的反应速率.And the reaction rate the precipitate solidifi...
这儿是 二十一 世纪人们对生活的一些想法.Here are ideas people have about life in the twenty - first century.在二十一世纪,害虫综合治理的应用将扩大.The use of integrated pest management will expand in the twenty - first century.灭绝物种的数量在 二十一 世纪仍在以很高的速率上涨.And t...
马钱子碱 、 砷和鸦片都是毒药.Strychnine, arsenic, and opium are poison.分析显示溶液中有几格令的砷.The analysis showed a few grains of arsenic in the solution.砷广泛地应用于除草剂和杀虫剂的制造中.Arsenic is widely associated with the manufature of herbicides and pe...
The tea is prepared on a rota basis by the lady members.女性成员轮流准备茶水。Dave organized a cleaning rota.戴夫安排了打扫卫生轮值表。Be aware of the departmental rota and to always be on time for duty.了解部门的值班情况,始终准时值班....