聚亚甲基亚胺 polymethyleneimine
聚亚甲基链 polymethylene
聚四亚甲基醚二醇 PTMEG ; PTMG ; PTG ; polytetramethylene ether Glycol
聚六亚甲基胍 PHMG ; PHGC ; Polyhexamethylene guaidine hydrochloride and phosphate ; Polyhexamethylene Guanidine
聚六亚甲基双胍 PHMB ; Polyhexamethylene biguanidine hydrochloride
聚六亚甲基双胍盐酸盐 PHMB ; Polyhexamethylene biguanidine hydrochloride ; Poly hydrochloride ; polyhexamethylene biguanide
聚四亚甲基乙二醇醚 PTMEG
聚六亚甲基单胍盐酸盐 PHMG
聚亚甲基硅烷 organosilmethylene
聚三亚甲基碳酸酯 PTMC ; poly trimethylene carbonate
计算聚亚甲基链的末端距四次矩，并同二级相互作用的结果进行了比较。
In this paper, fourth moment of end-to-end distance of polymethylene chains in the third-order interaction approximation is calculated.
聚四亚甲基醚二醇(PTMEG)是生产氨纶和聚氨酯弹性体的重要原料之一。
Polytetramethylene ether glycol (PTMEG) is one of important materials for production of spandex and thermoplastic polyurethanes elastomer (PU).
取以杂多酸为催化剂，一步法合成聚四亚甲基醚醇(PTMG)，对影响聚四亚甲基醚醇单程收率的各因素进行了讨论。
Polyoxytertramethylene (PTMG) is synthetized in one step using heteropoly acid as catalyst. We discussed the factors which influenced the yield of PTMG.
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