Chemical composition analysis, mechanical property test and microstructure examination were used to analyze the early fracture of power plant's turbine main oil pump shaft.
采用化学分析、力学性能测试和金相检验等手段，对某电站汽轮机主油泵轴的早期断裂进行了分析。
On based of the test and analysis for multi - kinds carbon source material property, pointed out to the optimization principle of synthesize diamond carbon source material.
在对多种炭源材料性能测试与分析的基础上，指出了合成金刚石炭源材料的优选原则。
This paper studied the causes of bursting of stop valve by the methods of visual inspection, metallographical examination, chemical analysis and mechanical property test.
采用宏微观检验、化学成分分析及力学性能测试方法对截止阀阀体爆裂原因进行了分析。
The structure of the product was primarily identified by the property test and the IR analysis.
通过性质试验及红外光谱分析初步验证了产品的结构。
Modified humic acid is prepared by adding liquefied APP and an emulsion to the humic acid. The technological research, test and property analysis are stated.
将液化无规立构聚丙烯与乳化液混合掺入腐植酸制成气化型煤粘合剂。文中还介绍其工艺研究、试验及性能分析。
The effects of nitrogen on the properties of low carbon high chromium cast iron were studied by mechanical property and wear resistance test, and metallograph analysis using OM and ESEM.
通过力学性能和耐磨性能测试、金相组织观察和ESEM形貌分析，研究了氮含量对低碳高铬铸铁性能的影响。
For the local spring phenomenon occurred in RCC of Baise multipurpose dam project, the author makes an elementary analysis on the cause, test and study the mechanical property correspondingly.
针对百色工程碾压混凝土局部出现的弹簧现象，进行了简单的原因分析，并对此进行了力学性能试验研。
With laboratory test and theory analysis, anti-cracking property of cement-stabilized base is systematically studied in this paper.
本文通过理论分析和大量的室内试验，对水泥稳定类砂砾材料抗裂性能进行了系统研究。
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。
It is an economical and safe simulation environment for teaching. training. research. property test and trouble analysis of the space telemetry and telecontrol equipment.
对于航天无线电测控设备的教学训练、实验研究、性能测试和故障分析等方面是一个经济、安全的仿真环境。
The impact test and SEM fracture analysis were carried on for AZ80 magnesium alloy after different temperature ageing, and the effects of ageing on impact property were investigated.
采用冲击试验和断口形貌分析对经不同温度时效处理后的AZ80镁合金冲击性能进行了分析。
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。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composites.
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
The invention discloses a coal ash melting property determinator, with high reliability and high efficiency, which belongs to a analysis and test device for coal quality.
本发明公开了一种高可靠和高效率煤炭灰熔融性测定仪，属煤质分析测试设备。
Analysis and design of testing property of software is a basic method to analyze the complexity of the software test and improve testing property of software.
软件的测试性分析与设计是分析软件测试的复杂性，提高软件测试性的基本方法。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composite...
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
Mechanical property test, end group analysis and SEM were adopted to study the ageing of PET and PBT composite...
采用拉伸强度与冲击强度测试、端基分析及扫描电镜分析等手段探讨了PET、PBT复合材料的老化机理和老化性能。
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