The effects of chloride and boric acid on the epimerization of D-arabinose to D-ribose in aqueous solution using ammonium paramolybdate as catalyst was studied.

研究了在仲钼酸铵催化D-阿拉伯糖差向异构化为D-核糖的水相体系中，氯化物和硼酸助催化剂对反应的影响。

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In the medium of nitric acid, the trace chloride in the cement concrete was determined by turbidimetry.

在硝酸介质中，通过比浊法测定水泥混凝土中微量氯化物。

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According to the experimental results adipic acid plus sodium chloride appear to be one of the most promising additives among the numerous inorganic and organic compound additives.

结合本文作者的开发研究，认为在众多无机和有机添加剂中，己二酸和氯化钠的组合是一种具有开发前景的复合型添加剂。

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And what it's used is to convert one type of group, what's called a carboxylic acid into another type of very reactive intermediate, which is called an acid chloride.

它被用来将一类被称作羧酸的化合物，转化成另外一类活性很高的反应中间体,也就是酰氯。

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