cardiac-arrest 发表于 2025-3-26 21:46:30

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胰岛素 发表于 2025-3-27 04:27:25

VR for Decision Support in Urban Planningds. Head to head polyolefins, polypropylene and polystyrene were synthesized by 1, 4 polymerization of 2, 3-dimethyl (or diphenyl) butadiene followed by catalytic hydrogenation with soluble catalyst (Co/Al) or by chemical reduction (K/ethanol)..Polyisobutylene of low molecular weight was synthesized

不溶解 发表于 2025-3-27 08:32:49

Ruptured Abdominal Aortic Aneurysme expected to interact with monomers or the resulting polyamides owing to hydrogen bonding or charge-transfer. It was found that the rate of polycondensation of dimethyl tartrate(DMT) with hexamethylenediamine(HMD) was enhanced by polymer matrices such as poly(vinyl pyrrolidone) (PVP), pullulan (pol

Crepitus 发表于 2025-3-27 12:30:02

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Pessary 发表于 2025-3-27 14:00:46

https://doi.org/10.1007/978-1-4471-3870-9etals in many engineering applications. The polymer used as a binder in these composites is most commonly an epoxy, although several other resins such as phenolic-novolac, poly (ether sulfone), poly (phenylsulfone), polyester, and bismaleimides have also been used for certain applications. However,

脱离 发表于 2025-3-27 18:02:28

Thoracoabdominal Aortic Aneurysmith a Techne. gelation timer..The gelation time affected to a large extent by the steric enivronment, even by the substitution on the comonomer unit. Although the presence of a spacer between the polymer chain and the active ester moiety accelerated the reaction, this effect was again influenced by

斗争 发表于 2025-3-27 22:58:59

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该得 发表于 2025-3-28 03:31:00

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MUTE 发表于 2025-3-28 07:35:15

Gregory Baratoff,Holger Regenbrechtzation condition such as the species of precipitation solvent, the concentrations of polymer and the annealing tenperature in crystallization (1~5). These suggest that the conformations in solution-grown crystals are closely related to those in solution used for the growth of the crystal.

Bother 发表于 2025-3-28 13:33:15

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查看完整版本: Titlebook: Contemporary Topics in Polymer Science; Volume 4 William J. Bailey,Teiji Tsuruta Book 1984 Springer Science+Business Media New York 1984 Co