Different physical chemic pretreatments are compared, and the best pretreatment that bring on the best activity of cellulase is gained.

比较了不同的理化预处理方法，通过试验得到产纤维素酶活力最高的理化预处理法。

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Therefor, in the beginning of this research the activity unit was redefined and the method for measuring the activity of cellulase produced by this strain was optimized.

为此，我们在实验初期重新定义了酶活单位，并对纤维素酶的活性测定方法进行了优化，确定了适用于本菌株产生的纤维素酶活性测定的一种较优方案。

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By determining ethylene content and activity of cellulase, it was shown that the effect of FC on abscission was related to the activity of cellulase, but had no connection with ethylene production.

由乙烯和纤维素酶活力测定结果表明，FC对脱落的影响与纤维素酶有关，而与乙烯产生无关。

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