rigid chain

Finally, the dairy supply chain food safety for the object to milk prices, profits for the quantitative basis, the use of quantitative indicators of government control and consumer choice factors simulation design, combined with dairy rigid demand characteristics, analysis to draw some conclusions.

最后，以乳业供应链食品安全为对象，以乳企利润为量化依据，使用政府管制和消费者选择因素的量化指标进行了仿真设计，再结合乳制品刚性需求的特性，分析得出一些结论。

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Strength and rigid analysis of the manipulator with local closed chain

局部闭链手控器的强度和刚度分析

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Rigid conjugated main chain is an important feature of conjugated polymers, it can formed large conjugated π electron system, so that the charge can transfer within the molecule. Thus, a single quencher molecule can cause a super-quenching of the entire polymer chain.

含有刚性共轭主链是共轭聚合物的重要特征，能在分子内形成大的共轭π电子体系，从而使电荷在分子内进行传输，单个猝灭剂分子就足以引起聚合物荧光的超猝灭。

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