介绍了立式容器壳体刚性环耳式支座构件及组合截面的近似计算过程，并对地脚螺栓中心圆直径的选择作简要分析。

This paper introduces the approximate calculation of components and compound section of vertical vessel lug support with stiffening ring and the selection of anchor bolt circle diameter.

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卟啉是一类具有刚性的共轭大环类化合物，在光的照射下，易被激发，产生强荧光。

Porphyrins are a class of macrocyclic compounds with rigid conjugate structure, it can easily emit strong fluorescence under irradiation.

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研究结果表明：分子结构中含有刚性结构或连有较多的环氧基时，固化产物具有较高的交联密度，玻璃化转变温度较高；

The results shows that epoxy resins containing rigid rod structure or many epoxy groups have a high glass transition temperature (Tg) because of high cross-linking density.

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