The wear properties of valve are systemically investigated by using dynamic simulation testing and surface microscopic analysis techniques based on principle of tribology.
根据摩擦学原理，采用动态磨损模拟试验和表面微观分析研究的方法和技术，对气门动态磨损特性进行了系统的试验研究。
Various properties of the raw drug Horsc Bozoar were studied by microscopic observation, X-ray phase analysis, thermal analysis, elementary analysis and solubility test.
对马宝进行了性状观察、显微观察、X射线物相分析、热分析、元素分析及溶解试验。
The influences of quenching temperature on mechanical properties of the pipeline steel were investigated by means of microscopic analysis and mechanical property test.
采用力学性能测试、显微组织分析等方法研究了终冷温度对双相大变形管线钢的力学性能的影响。
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