The effect of high substitution on the apparent viscosity was obvious, but PH value is not.

取代度对羟丙基淀粉溶液的表观粘度有较明显的影响；

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The pH effects on the UV-visible and emission spectra of the complex were studied, and the three apparent ionization constants were derived.

通过酸碱滴定发射光谱测定了该配合物的表观电离常数；

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