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单词
polypropylene
释义
polypropylene
Encyclopedia
工学
聚丙烯
释
polypropylene
聚丙烯
以丙烯为单体经聚合反应得到的一种热塑性树脂。是五大通用合成树脂中的一个重要品种。
理学
聚丙烯
释
polypropylene；PP
聚丙烯
丙烯的聚合物。英文缩写为PP。聚丙烯主链有一个不对称碳原子，通过聚合能调控侧基甲基在空间排布，因此分为无规立构聚丙烯、间同立构聚丙烯和全同立构聚丙烯。工业化品种是全同立构聚丙烯。
Chemistry
＞高分子科学＞高分子化学＞释义
polypropylene
聚丙烯
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direct evaluation of external corrosion of oil and gas pipelines
direct evaluation of internal corrosion of oil and gas pipelines
direct exchange interaction
direct expansion method
direct-expansion refrigeration
direct expense coefficient
direct extrusion
direct factor
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direct finance
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更新时间：2026/7/26 22:03:20