不要严酷
发表于 2025-3-26 23:39:00
on polymerization of 1,3-butadiene produces.-1,4-,.-1,4-, syndio-1,2-, and iso-1,2-polymers which are obtained selectively by choosing the catalysts and the reaction conditions. Lanthanides catalyze polymerization of 1,3-butadiene to produce the.-1,4-polymer with excellent selectivity. The lanthanoc
预定
发表于 2025-3-27 02:13:51
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名词
发表于 2025-3-27 07:50:01
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勉强
发表于 2025-3-27 11:46:54
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SEED
发表于 2025-3-27 16:34:48
120 recipes that describe a wide range of macromolecules.No .Emphasis is on a broad description of the general methods and processes for the synthesis, modification and characterization of macromolecules. These more fundamental chapters will be supplemented by selected and detailed experiments. In a
Feigned
发表于 2025-3-27 18:51:11
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