并对磷酸三聚氰胺中的磷含量、氰尿酸三聚氰胺中无机酸残留量的做了分析测定。
The content of P in melamine phosphate and the retained acid in melamine cyanurate were analyzed.
利用粘度法测定聚丙烯酸支链的平均分子量，红外光谱法分析接枝共聚物的结构。
This paper studies the average molecular weight of branched chain of poly ( acrylic acid) by viscosity method. The structure of graft copolymer is also measured by IR method.
通过选用柠檬酸、白糖、葡萄糖酸钠为矿渣硅酸盐水泥的缓凝剂，测定了不同温度下水泥的凝结时间，分析了温度对混凝土缓凝剂最优掺量的影响规律。
The cement setting time at different temperatures has been measured through choosing citric acid, sugar and sodium gluconate as the retarders of iron Portland cement.
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