The analysis of fracture failure for electro-motor shaft was explored with the chemical analysis, macroanalysis, microanalysis and metallographical inspection method.
采用化学分析、宏观分析、微观分析和金相检测手段，对电机轴断裂原因进行了探讨。
The sulfur occurrence, content and genetic feature in the main coal seams, Buya Coal Mine, are analyzed with the macroanalysis, microanalysis and coal chemical methods.
从宏观、微观和煤化学几个方面，研究了新疆和田县布雅煤矿一号井田主采煤层中硫的赋存形态、含量、变化规律及成因。
Reasons of failure in cooling pipe of the reactor have been studied by the chemical composition analysis, optical microscopy examination and electron probe microanalysis.
应用化学分析、金相和电子探针显微分析技术对反应器中冷却水管的失效原因进行了分析。
Electron probe microanalysis shows that the inhomogeneous distribution of water content has no direct relation with the chemical composition of the mineral.
电子探针结果表明水含量分布不均与矿物化学成分无直接关系。
Morphology and chemical composition of fly ash residues of pozzolanic reaction were investigated by scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).
采用扫描电镜和电子探针等分析手段研究了粉煤灰火山灰反应残渣的形貌和化学组成。
Morphology and chemical composition of fly ash residues of pozzolanic reaction were investigated by scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).
采用扫描电镜和电子探针等分析手段研究了粉煤灰火山灰反应残渣的形貌和化学组成。
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