soils of different pH values 不同pH土壤
The change of composition of Intermediates was detected by HPLC at different PH values, and the stability was also evaluated.
用HPLC检测标记中间体在不同pH时的组成变化及稳定性情况。
The effective mobility (meff) of ten model dipeptides was measured by CZE at different pH values, enabling to determine their pKa values, charge and meff at any pH.
通过CZE在不同的PH值下测得了十个模式二肽的有效迁移率，从而能够确定在每一PH值下它们的解离常数值，电荷情况及有效迁移率。
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