Based on the analysis of test results, the effect of both the surface topography and loading frequency on the joint closure behavior is discussed.
通过对试验结果的分析，获得加载频率和表面形态对节理闭合变形性质的影响规律。
Experimental study of plasma carburization technology and analysis of wear test of carburizing layers are done aimed at alloy bar grate material surface.
针对合金篦条材料表面进行等离子渗碳技术的试验研究和渗层的耐磨性能实验分析。
By comparing and analyzing the interior and surface displacement in simulating test, it was pointed out that there are distinct differences between them, which was proved by mechanical analysis.
通过对相似模拟实验中内部位移与表面位移的测试和对比分析，指出在模型实验的不同阶段，内部位移与表面位移具有明显的差异，力学分析证明了这一结果。
By means of chemical composition analysis, mechanical property test and microstructure examination, the results showed that this defect was result of rough surface and not the crack existed in matrix.
采用化学分析、力学性能试验和金相检验等方法对该裂纹进行了分析。结果表明，此缺陷是由于试验环原始表面的粗糙度过大造成的。
Physical testing and chemical analysis and electropolishing test were made to study the reasons of occurring of surface veins.
对灯罩表面水纹状进行了理化检验和电解抛光试验。
Through mechanical test and chemical analysis and technological experiment of the cracked cap nut, it was concluded that the short size of nut blank caused surface crack.
对开裂杯形螺母的力学性能和化学成分进行了检验分析，并进行了工艺试验。结果表明，毛坯尺寸偏短是造成开裂的主要原因。
Through mechanical test and chemical analysis and technological experiment of the cracked cap nut, it was concluded that the short size of nut blank caused surface crack.
对开裂杯形螺母的力学性能和化学成分进行了检验分析，并进行了工艺试验。结果表明，毛坯尺寸偏短是造成开裂的主要原因。
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