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1·It includes direct titration, back titration, selective titration, replaceable titration, indirect titration, REDOX titration and others.

直接滴定法和返滴定法、选择性滴定法、置换滴定法、间接滴定法和氧化还原滴定法，其它滴定法。

2·The activity of catalase in hemolysates of erythrocytes and myocardial homogenate in rats was measured by back titration method with permanganate, using perborate as the substrate.

本文采用过硼酸钠作底物的高锰酸钾反滴定法测定了红细胞溶血制品及心肌匀浆中的过氧化氢酶活力。

3·Propolis was dissolved in alkalescent condition and filtered. The filtrate was acidified and extracted after a degrease step. The purified sample was finally determined by back-titration.

采用弱碱溶解蜂胶再酸化萃取的方法纯化样品，用返滴法测定，以水杨酸作为对照品检测样品中游离酸含量。

4·So now I need to know what it takes to balance it back to neutral with my titration fluid, he says.

“所以现在我需要知道如何才能平衡回来我滴定液中立，”他说。