常見例句雙語例句Advances on technologies of preparing branched and superbranched polyethylene were reviewed.系統(tǒng)綜述了近年來制備支化及超支化聚乙烯的研究進展。The crystallinity of polyethylene decreased with increase of content of short branched chain methyl.聚乙烯隨著短支鏈甲基含量的增加，結(jié)晶度降低。The application experiment data show that metallocene branched polyethylene prepared by the new method are applicable to tubing and large-scale hollow container.應(yīng)用試驗表明，開發(fā)的茂金屬支化聚乙烯可用于制造管材和大型中空容器。 返回 branched polyethylene