Titlebook: Structure and Properties of Oriented Polymers; I. M. Ward Book 1997Latest edition Springer Science+Business Media Dordrecht 1997 crystal.l

Melanocytes

Film formation,g of polymers relative to say glass and metals, together with major technological advances in segregation and reclaim, means that plastic films can be considered as a material asset in a progressively more environmentally sensitive world.

确定方向

MIR

杀虫剂

amenity

Mechanical anisotropy at small strains,s predicted for completely aligned extended polymer chains. In fact, the study of mechanical anisotropy in oriented polymers can often provide more precise information on the origin of mechanical behaviour in polymers in terms of structural and molecular factors.

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Anisotropic yield behaviour,ss and are completely recovered on removal of the stresses. Plastic strains are observed only for stresses which are greater than or equal to the yield stress and are not recovered on removal of the stress. The yield point defines this elastic-plastic transition.

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补助

权宜之计

Physicochemical approaches to the measurement of molecular anisotropy,tween a variety of properties (mechanical, dielectric, etc.) and the molecular orientation within a system. Many of the measurements of orientation utilize parameters arising from the interaction of electromagnetic radiation with the molecular system. Common techniques are birefringence (double refr

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