舰旗
发表于 2025-3-28 16:51:58
Supramolecular Assemblies of Cyclodextrins with Polymers and Preparation of Polyrotaxanes,talline states. α-CD formed complexes with poly(ethylene glycol)(PEG) of molecular weight higher than 300, although β-CD did not form complexes with PEG of any molecular weight. However, β-CD formed complexes with poly(propylene glycol)(PPG), although α-CD did not form complexes with PPG of any mole
整洁
发表于 2025-3-28 22:30:33
Case II Diffusion in Polystyrene Fiber: , Measurement of a Moving Sharp Front,ng technique. The diffusion of acetone vapor with the relative vapor pressure of 0.92 into the physically aged polystyrene fiber of 25 .m diameter was measured at 25°C. The system showed following characteristics; (1) an induction time, (2) formation of a sharp front after the induction time, (3) ne
Factorable
发表于 2025-3-28 23:59:41
,“Liquid Crystallization” Mechanism of Liquid Crystalline Polymers, their formation mechanism was studied. Materials used were a copolyether based on 1,2-Bis (4-hydroxy phenyl) ethane (BPE-8/12) and poly [bis (trifluoro ethoxy) phosphazenel, (PBFP). Morphology of liquid crystals observed by polarizing microscopy and that of the quenched liquid crystals into crystal
迫击炮
发表于 2025-3-29 06:15:24
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cacophony
发表于 2025-3-29 09:35:02
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Limited
发表于 2025-3-29 12:00:42
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疼死我了
发表于 2025-3-29 19:19:02
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antiquated
发表于 2025-3-29 23:05:00
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Default
发表于 2025-3-29 23:55:40
,Light Scattering Studies of a Nematic to Smectic — A Phase Transition in Rigid Rod Polymer Solutionard repulsion, rather than the complicated interparticle potentials found in most liquid crystals. Computer simulations have shown that a nematic to smectic A phase transition may exist in a system as simple as monodisperse hard rods. Experimentally, Xin Wen, Robert Meyer and Donald Caspar h
事情
发表于 2025-3-30 07:58:40
Collective and Molecular Dynamics in Ferroelectric Liquid Crystals: From Low Molar to Polymeric andelectric liquid crystals (FLC). Below 10.Hz two collective dielectric relaxation processes are observed having the character of a soft — mode and that of a Goldstone — mode. The soft — mode is assigned to fluctuations of the amplitude of the helical superstructure, while the Goldstone — mode corresp