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| Discussion of transient effects in the nucleation kinetics in polymers subjected to orienting stresses bases on a kinetic theory of nucleation proposed in for the systems of oriented asymmetric elements. The theory converges to the classical approach in the limit of isotropic orientation. This fact explains apparent validity of the classical theory in the applications to unoriented polymers. |
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Discussion of transient effects in the nucleation kinetics in polymers subjected to orienting stresses bases on a kinetic theory of nucleation proposed in for the systems of oriented asymmetric elements. The theory converges to the classical approach in the limit of isotropic orientation. This fact explains apparent validity of the classical theory in the applications to unoriented polymers. ¸ù¾Ý³ÉºË¶¯Á¦Ñ§ÀíÂÛ£¬ÌÖÂÛ¶¨ÏòѹÁ¦Ï¾ۺÏÎï³ÉºË¶¯Á¦Ñ§ÖеÄ˲ʱЧӦ£¬ÓÐÖúÓÚÑо¿¶¨Ïò²»¶Ô³ÆÔªËØÏµÍ³¡£³ÉºË¶¯Á¦Ñ§ÀíÂÛ£¬ ÒÔ¸÷ÏòͬÐԵķ½ÏòµÄ¼«ÏÞ£¬ÊÕÁ²ÖÁ¾µä·½·¨¡£ÕâÒ»ÊÂʵ½âÊÍÁ˾µäÀíÂÛµÄÔËÓõ½ÎÞÏòµÄ¾ÛºÏÎïÑо¿ÖеÄÃ÷ÏÔЧ¶È¡£ |
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