分析了目前单体液压支柱结构上存在的问题，介绍了新型单体液压支柱活柱体的结构及特点，并进行了受力分析。
Some problems of old hydraulic prop are analyzed. The structure and characteristic of new prop are introduced, and then the stress analysis is done.
所研制的新型单体液压支柱具有结构工艺简单、工作行程大、使用范围大、稳定性安全系数大、重量轻、操作安全可靠等特点。
The new hydraulic support has some characteristics such as simple structure technique, big work-distance, large use-range, big stability safety factor, light-weight, safety-operation and so on.
用核磁共振(nmr)对新型硅烷单体进行了结构表征，并采用傅里叶红外光谱(FTIR)证实了共聚物结构。
The structure of the new silicone monomer is characterized by use of NMR and the copolymer is characterized by FTIR.
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