含氧化亚铜的无锡自抛光防污涂料. Tin free , polishing antifouling composition with cuprous oxide.
针对不同的制备方法, 分别探讨了相关因素对生成氧化亚铜的影响. The influence, of which different reaction conditions in different methods, to resulted particles are discussed respectively.
More reactive are the heavier isotopes of hydrogen, deuterium and tritium.更为活跃的是氢的较重同位素, 氘和氚.Deuterium is widely used in the study of reaction mechanisms and in spectroscopic studies.氘广泛地应用于反应机理的研究和光谱分析.The substituent i...
The explanatory article in encyclopaedia is a kind of expository writing.百科全书条目释文是一种权威性辞书的说明文字,其语言朴实、洁、谨.To be quite fair, the phrase is by no means self - explanatory.公允地讲, 这个短语并非是不加解释一看就可以明了的.an explanatory diagram图解I ...
He is polished, charming, articulate and an excellent negotiator.他文雅、迷人、能言善辩，是一名优秀的谈判人。The negotiator acted as liaison between labour and management.谈判者充当劳资双方的联络人.He is a negotiator of considerable skill.他是个谈判高手....