知识问答
最佳答案：With this function,solution concentration injection on the stain,has strengthene
最佳答案：With this function, the solution sprayed onto the stain concentrate on, and enha
最佳答案：The preparation of this solution,10,precision says take about 0.2 g about 2ml ma
最佳答案：according to two steps to drop the base prepolymer into the solution which is us
最佳答案：Purification of copper sulfate,copper sulfate sodium thiosulfate standard soluti
最佳答案：本论文在pH值为2～2.5的条件下,以聚乙烯醇和甲醛为原料,在水溶液中发生缩醛反应制备,然后向胶中添加适量的尿素改性,制得聚乙烯醇缩甲醛胶粘剂.At the c
最佳答案：1.The samples were dissolved in water according to the ratio of 1:5.2.Heating di
最佳答案：Simple salts of two or more crystalline compounds consist of the known double sa
最佳答案：Determines with the electric heating compensation method in different density KN
最佳答案：Foam enriched atomic absorption spectrometry determination of gold in gold oreAb
最佳答案：washing instruction :Carpet surface washing:1.Clean the dust in the gap of the c
最佳答案：This text disposes out and adds carbon nanometer particle and surfactant among t
最佳答案：Electrochemical analysis is enterprise or business the unit and research institu
最佳答案：简单给你翻了翻,充当个参考吧.另外,你们的中文描述也有问题,里面很多物质和参数的描述需要写清楚些.工艺报告是一个需要标准化的东西,还是严谨些好.After in
最佳答案：Electroless plating is a kind of don't need electricity, according to the princi
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