Method The surface tension of SDS was determined by the drop volume method in different kinds of cyclodextrins and at different concentrations.
采用滴体积法测定SDS在不同种类、不同浓度的环糊精中的表面张力。
The dynamic surface tensions(DST) of aqueous cetylpyridinium bromide(CPB)solutions at various concentrations was measured, by using the drop volume method.
滴体积法测定了十六烷基溴化吡啶（CPB）水溶液的动态表面张力。
The apparatus of drop volume method was made in this paper, accuracy of which was verified according to the literature value.
采用自制的滴体积法实验装置，以蒸馏水的表面张力作为标准，检验了其精确性。
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