平均摩尔质量

采用XRF法测定钐铕钆富集物的平均摩尔质量，用EDTA滴定法测定钐铕钆富集物的稀土总量。

The mean molar mass in Sm-Eu-Gd concentrate was determined by XRF . Total rare earth contents in Sm-Eu-Gd concentrate was determined by EDTA volumetric method .

通过测定联碱生产的中间产物重碱中碱性物的平均摩尔质量，测出碱性物含量和氯化钠含量，直接计算出重碱水分含量。

Moisture from bicarb was determined by measuring the average molecular weight of basic substances from bicarb , which is the intermediate product in Huo 's process .

气相产物中烯烃含量较高，丙稀含量最高可达47.21%；液相产物平均摩尔质量介于90～280g/mol，产物中烯烃、异链烷烃和环烷烃含量较高，并含有一定量的芳烃。

Propene content which reached 47.21 % was high in gas product . The average mole mass of liquid product was between 90 ~ 280g / mol , in which the content of alkene , isoparaffin , cyclanes were high .