Tannin Extract Desulfurization Agent 栲胶脱硫剂
hydrolysable tannin extract [林] 水解类栲胶
condensed tannin extract 缩合类栲胶
plant tannin extract 杨梅栲胶
Larch tannin extract 落叶松栲胶
The method of sulfomethylation modification of bayberry tannin extract was investigated.
研究了毛杨梅栲胶的磺甲基化改性方法。
As China abounds in the tannin extract, so it is of bright prospect to develop this process.
我国盛产栲胶，开发此法的前景是光明的。
Method of collidal titration was adopted to determine tannin content of valonea tannin extract.
用胶体滴定法测定了橡椀栲胶中的单宁含量。
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