Volumes of various group composition were calculated by using addible RI of hydrocarbon mixtute, then their volume percentage was determinded.

利用烃类混合物折光率的可加性计算各族组流出积,从而计算其积百含量。

An investigation is also made on determining DMDAAC qualitatively by bromophenol blue test and quantitatively by tetraphenyl boron sodium precipitation reac...

用溴酚蓝DMDAAC定性析，用四苯硼酸钠及折光率法定量析的方法了探讨。

The parallactic refraction between the stars and the satellite is small and well determinate, except for the irregular stellar movements known as erratics.

除了通称为游动的不规运动之外，恒和卫之间的视差折光差微小，而且是容易测定的。

On the basis of the refraction principle of soluble solid, the content of the soluble saltless solid in soy sauce was determined by refractometry.

基于可溶性固形物的折射原理,用折光计法测定酱油中可溶性无盐固形物的含量,取得了与重量法基本一致的结果。

Under the phase-contract microscope, cell multi-l ayer was shown to be a refractile sheet, which means the capacities of biomateri al to attract cell and maintain the cell attachment.

相差显微镜下复层细胞表现为折光 带，这反映生物材料引导细胞贴附并保持细胞贴附的能力。