比较缓冲剂；比较缓冲液

comparison buffer的用法和样例：

例句

This paper studied the pulping method in which ammonium sulfite with urea as buffer agent was used for cooking rice straw.本实验首先研究了以尿素为缓冲剂的稻草亚硫酸铵法制浆工艺。
This kind of circumstance sees more at entering fluid when, add through dialytic fluid lukewarm or increase buffer to be able to be solved.这种情况多见于入液时，通过透析液加温或增加缓冲剂即可解决。

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