2.4.3紫外诱变筛选单宁酶高活性菌株152.4.4单宁酶高活性菌株产酶稳定性162.5本章小结17第三章单宁酶活力测定方法的构建183.1前言.…183.2实验材料与方法…183.2.1菌种..183.2.2培养基.…193.2.4...

ABSTRACTABSTRACTThe basic goal impedance inversion is to recover the layered structure of thesurface as a function of depth from observed seismic data,which usually expressed asser...

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本实验不用乳化剂（乳化剂残留对合成乳液的涂膜性能产生不利影响），成功合成水性PUA分散体。简要过程为：首先在丙烯酸单体存在下制备由一NCO封端的高分子预聚体，并使用少量HPA封端。预聚体残...

青岛理工大学工学硕士学位论文3.3.1试验设备.…183.3.2直接拉伸试验….193.3.3楔型劈裂试验..213.3.4三点弯曲试验.223.3.5四点弯曲试验.22第4章试验结果.234.1编号规则..234.2试验结果.234.3试...

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