Gustatory
发表于 2025-3-30 11:14:03
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抛物线
发表于 2025-3-30 15:29:27
Deformations and Molecular Motions in Polymers Above the Glass Transition Temperatureof configurational motion of the macromolecules. The spacings and magnitudes of these characteristic times, even as determined from experiments in small deformations, are important in understanding large deformations and processes of rupture, since the rates of molecular motions will set the time sc
爱社交
发表于 2025-3-30 20:28:22
On the Interconversion of Linear Viscoelastic Functions with Special Application to Shear Behavior isions is presented, together with bounds for the errors. The information needed for this purpose is discussed..The formulae are applied to data on the shear behavior of several amorphous high polymers in the glass-rubber transition region over wide ranges of time and temperature; the validity of the
periodontitis
发表于 2025-3-30 21:43:52
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男生戴手铐
发表于 2025-3-31 02:21:41
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Arb853
发表于 2025-3-31 07:10:26
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暴露他抗议
发表于 2025-3-31 13:05:04
Fracture and Fiber Formation of Polyethylene Crystalsm polyethylene single crystals. The observations by transmission electron microscopy and electron diffraction indicate that substrate-free polyethylene crystals fail by brittle fracture at all temperatures between 77 K and 388 K and all strain rates between 10. and 10. sec.. The formation of fibers
LAIR
发表于 2025-3-31 16:23:47
The Microstructure and Properties of Crazeshe bulk deformation and fracture of high polymers. This is followed by a more detailed consideration of recent work in two important areas of interest, viz (1) microstructure of crazes and (2) stress-strain response of crazes..The microstructure of crazes has been studied using high-resolution trans
deceive
发表于 2025-3-31 17:38:29
Effects of Hydrostatic Pressure on the Deformation and Fracture of Polymersvely recent. From a critical analysis of these various pressure observations, phenomena that appear to be characteristic of such effects for the major polymer classes are identified, and the validity of hypotheses advanced for particular phenomena in specific polymers, together with their generality
不溶解
发表于 2025-3-31 22:27:44
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