The phosphate was deposited by the decay of marine microorganisms.海洋微生物腐烂后沉积形成磷酸盐。We make superphosphate by reacting rock phosphate with sulphuric acid.我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙.About two - thirds of the weight of phosphate...
Gypsum may crystallize on the surface of the phosphate rock particles.石膏会在磷矿颗粒的表面上结晶.Hopeite is a zinc phosphate.磷锌矿主要成分是磷酸锌.I looked at the bottle it was Codeine Phosphate.我看了看它的底部,上面标着可待因磷酸盐.Aim : To synthesize carboxy...
Until now, the government has only enforced the ban with regard to American ships...到目前为止，政府仅仅对美国船只实施了禁令。So much enforced reasoning had hold on Wilson's rage, he was calmer.如此有力的说理,对平息威尔逊的怒气产生了效果, 他稍平静了一些.He is dete...
Joe was bested in the debate.乔在辩论中输了。 In every game they were bested by their opponents.每一场比赛他们都被对方击败.Nixon was not about to be bested by Brezhnev in philosophical discourse, however.然而尼克松不愿在勃列日涅夫的富于哲理的讲话面前甘拜下风.Nor was I...
Most of the drug abusers in downtown areas are aged persons.而在城区大部分吸毒人员以中年人为多....a national commitment to providing treatment on demand for drug abusers.承诺在全国范围内为提出请求的吸毒者提供治疗Of course, not all alcoholics and drug abusers...
异菸肼是广泛用于治疗结核的药物.The drug isoniazid is widely used in the treatment of tuberculosis.这种物质很容易由甲醛和肼反应而得到.The material is readily prepared by reaction of formaldehyde and hydrazine.这种燃料的例子是一甲肼和二硼烷.Examples of such fuels are m...