The article deals with the definition of moments of MWD (Molecular Weight Distribution), the method for calculating moment of MWD, and particularly the method for Calculating for moment of MWD of slurry HDPE (High Density Polyethylene).

• 摘要涉及相对分子质量分布矩的定义及其计算方法，特别是淤浆法高密度聚乙烯链长分布矩的计算方法。