预防注射 发表于 2025-3-30 12:12:29
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usands of atoms organized in one (homopolymers) or more (copolymers) groups that repeat themselves to form linear or branched chains, or lattice structures. The concept of polymer traces back to the years 1920‘s and is one of the most significant ideas of last century. It has given great impulse toVertebra 发表于 2025-3-31 07:39:27
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Jari Porras,Colin C. Venters,Birgit Penzenstadler,Leticia Duboc,Stefanie Betz,Norbert Seyff,Saeid Hestart by assuming that polymer crystallization is an activate d process involving crossing of a free energy barrier [.]. The latter separates two accessible stable states of the system such as monomer solution and crystal. This general setting for activated processes can be used to describe the form镇压 发表于 2025-3-31 17:53:48
http://reply.papertrans.cn/88/8707/870667/870667_59.pnganalogous 发表于 2025-4-1 00:22:45
ng mathematical backgroundMany people are convinced that Sustainable Development and Mathematics are completely unrelated. Sustainable Development, in its role of a value laden imperative for polluting and over-consuming societies, seems to be totally unconnected to mathematical reasoning and ignora