The researches show that the content of resin and the relative molecular mass of maltene decrease as the reaction progress.

研究表明，随着反应的进行，树脂含量和相对分子质量降低。

The relative molecular mass of lanolin is 778 by the method of VPO.

采用VPO法测定羊毛脂的数均相对分子质量为778。

The kind and number of atoms ina molecule determine a molecular mass.

分子量取决于分子中的原子种类与数量。

The kind and number of atoms in a molecule determine a molecular mass.

分子中原子的种类和数量决定分子质量。

Results: The measured relative molecular mass was accorded with the theoretical value.

结果：相对分子质量测定值与理论值一致；