焊缝氢含量的测试分析表明，阵列式射流冲击热沉系统可以改善接头的残余应力分布，防止冷却水侵入焊缝。
The hydrogen contents investigations show that the FSW process with array jet impingement sink appaatus can prevent the joints form the effect of colding water.
各种数据的获得借助于拉力试验机、悬臂梁冲击试验机、热重分析仪、和氧指数仪等各种分析测试手段。
Experimental data were obtained by means of all kinds of instruments such as a tensile machine, an Izod impact test machine, thermogravimetric analysis, limit oxygen index (LOI) instrument and so on.
根据UPU增韧聚酯的落重冲击能和热变形温度等力学性能的测试，初步确定了适宜胶种的合成条件及其用量。
The suitable content of UPU were determined by the testing of impact resistance, hardness and HDT of the cured resins toughened with UPU.
测试和分析了聚乙烯管道热熔对接焊接头的结晶度、硬度、拉伸性能和冲击性能，并与基材的性能进行了比较。
Crystallinity, hardness, tensile strength and impact toughness of fusion welding joint of polyethylene pipes are tested and analyzed.
应用仪器化冲击试验机对聚乙烯热熔对接焊的冲击性能进行了测试，并对几种实际焊接情况进行了分析。
Impact strength of fusion butt welding joint of polyethylene pipes was tested with a digital impact tester, and some actual fusion welding cases were commented.
应用仪器化冲击试验机对聚乙烯热熔对接焊的冲击性能进行了测试，并对几种实际焊接情况进行了分析。
Impact strength of fusion butt welding joint of polyethylene pipes was tested with a digital impact tester, and some actual fusion welding cases were commented.
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