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.
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 ...
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...