The content of protein in tea is 15-30%, most of which is water insoluble but alkali soluble.

茶叶中含有15%-30%的蛋白质，其中大部分不溶于水，易溶于碱。

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The radiation sensitive linear resin composition comprises (A)alkali soluble resin, (B) 1,2-quinone-bi-azide compound and (C) special polymer with siloxane chain.

上述感射线性树脂组合物含有（A）碱可溶性树脂、（B）1，2-醌二叠氮化合物和（C）具有硅氧烷链的特定聚合物。

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Water dispersion of a partly alkali soluble pure acrylic copolymer specifically developed to formulate clear or pigmented stain and bleeding resistant primers and sealers.

嵌段碱溶纯丙共聚物水分散体，特别研发用于透明或实色着色剂和防渗封闭底漆。

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