The characteristics of self-aggregates of chitosan and N-alkyl chitosan were examined by fluorescence probe techniques and the polarity parameter(I1/I3) was also calculated.
以荧光探针法测定了芘在壳聚糖及衍生物溶液中的发射光谱,并计算出其极性参数值I1/I3 。
The association interaction parameter of PPB-MAH can be used to express the molecule polarity quantitatively, and the ellipse equation can be used to estimate the solvability of solvents.
MAH的缔合力参数可以用来量化表示其分子极性,椭圆方程可以用作溶剂的可溶性的预测。
It is proposed that selective intermolecular force can be used as a new parameter for; selecting stationary phase in order to separate the isomer but not the "polarity similarity principle".
本文通过选用十一种具有极性梯度的不同固定液,探讨桂皮酸顺反异构体硅烷醚衍生物分离与选择性分子间引力的关系,并从分子结构的角度来阐述选择相应固定液进行异构体分离的可能性。
It is proposed that selective intermolecular force can be used as a new parameter for; selecting stationary phase in order to separate the isomer but not the "polarity similarity principle".
本文通过选用十一种具有极性梯度的不同固定液,探讨桂皮酸顺反异构体硅烷醚衍生物分离与选择性分子间引力的关系,并从分子结构的角度来阐述选择相应固定液进行异构体分离的可能性。
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