ch2cl2
ch2cl2-
Object To study the pharmacological effects of CH2Cl2 extract of Flos Magnoliae .
目的研究中药辛夷二氯甲烷提取物的药理作用。
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Their UV-Vis and fluorescent spectra suggested that the two compounds formed excimer complex in CH2Cl2 , respectively .
采用紫外可见光谱和荧光光谱等测试技术研究了2种化合物的光谱性质。
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It is found that both the CH2Cl2 / NMP ratio and matrix polymer PBT-PTMG influence the molecular weight of PPTA .
发现溶剂配比、基体聚合物PBT-PTMG影响PPTA的转化率和PPTA的分子质量。