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...
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...
Nonperturbative vacuum average value of two point function of two gluon with translational invariance is evaluated.在洛伦兹规范条件下,导出了具有平移不变性的双胶子两点函数非微扰真空平均值.Sooner or later we must ask whether this law meets the test of relat...
Expertly he zigzagged his way across the field, avoiding the deeper gullies.他熟练地左一拐右一拐地绕过深沟，穿过了原野。The office buildings were slightly zigzagged to fit available ground space.办公大楼为了配合可用的地皮建造得略呈之字形.The lightning zigzagged t...
All these definitions, while sounding impressive, do not stand up under close scrutiny.所有这些定义虽然听上去煞有其事，但都经不起推敲。Definitions in this dictionary are printed in roman type.这本词典里的释义是用罗马体印刷的。Write clear definitions in order to...
They were having to face up to the fact that they had lost everything.他们必须正视他们已经一无所有这个事实。I have grown up now and I have to face up to my responsibilities.我已长大成人，必须担负起自己的责任。We must face up to our responsibilities and not ...
水银的密度比水大得多.Mercury has a much greater density than water.水银的储存量并不丰富,分布也不广泛.Mercury is by no means, abundant or widely distributed.即使在室温下,水银的发挥性也很显著.Mercury is appreciably volatile even at room temperature....