Macro and micro structure of the fractured steering knuckle arm was examined by optical microscope and scanning electron microscope.
采用光学显微镜和扫描电镜对断裂转向节臂的宏、微观组织进行了分析。
Modification mechanism and existing form of Sb and Mg in Al-Si alloy were studied by using optical microscope and scanning electron microscope.
采用金相和扫描电镜分析研究了锑、镁在铝硅合金中的存在形式和变质机制。
The reasons for cracking of a cracker heater shell had been revealed with the aid of optical microscope and scanning electron microscope et al.
采用光学显微镜和扫描电镜等试验手段分析了某裂解器加热器壳体出现开裂的原因。
The causes of failure of the U-type catalyst cooler in regenerator of FCCU were analyzed with optical microscope and scanning electron microscope.
应用光学显微镜和扫描电子显微镜研究分析了催化裂化装置再生器内U型取热盘管失效的原因。
The microstructure and porosity of high speed steel (HSS) prepared by spary forming have been studied with optical microscope and scanning electron microscope (SEM).
采用光学显微镜、扫描电镜研究了沉积高速钢孔隙的大小、形状、分布及显微结构。
The metallurgical structure and fracture morphology on gear transmission shaft of 45 steel were analyzed by means of optical microscope and scanning electron microscope.
采用光学显微镜、扫描电镜等分析手段，对45钢大齿轮传动轴断裂表面的金相组织、断口形貌进行了分析和检测。
This paper, using the optical microscope and scanning electron microscope, made an observation on the pollen shapes of 11 species of Atraphaxis L, plants in our state and 1 species of A.
本文对11种产于我国的木蓼属植物和1种哈萨克斯坦特有的穆氏木蓼花粉形态进行了光学显微镜和扫描电镜观察。
Aemission spectrometer, micro-hardometer, optical microscope and scanning electron microscope were used to analyze the reason of crack on connecting rod unit assembly for piston of car engine.
采用直读光谱仪、显微硬度机、光学显微镜和扫描电子显微镜等分析手段，对失效的汽车发动机活塞连杆总成断裂原因进行了分析。
By using Optical Microscope (OM) and Scanning Electron Microscope (SEM), the structural features of cross section, interior and exterior surfaces for wheat straws were observed and analyzed.
利用光学显微镜(OM)和扫描电镜(SEM)对麦秆横切面、内、外表面的组织结构进行了观察和分析。
Employed by optical microscope, scanning electron microscope, microhardness tester and X ray diffraction instrument, the isothermal decomposition process of high nitrogen austenite was investigated.
利用光学显微镜、扫描电镜、显微硬度计及X射线衍射仪分析了高氮奥氏体的等温分解过程。
The deformation and fracture of mild steel under high frequency bending fatigue has been studied by optical microscope, scanning electron microscope and microhardness determination.
用光学、扫描电子显微镜及显微硬度计，研究了低碳钢在高频弯曲疲劳过程中的形变及断裂。
The scanning electron microscope had been used for surface observation of the eggs from Aedes albopictus and Aedes aegypti which are difficultly distinguished from each other by optical microscope.
本文对普通光学显微镜难以区分和鉴别的白蚊伊蚊和埃及伊蚊卵，以扫描电子显微镜进行了形态观察。
Morphological charges of RBC in anemic rats induced by cadmium were examined by optical and scanning electron microscope.
本文从形态学角度，用光镜和电镜扫描对镉致贫血大鼠红细胞形态进行了观察。
Investigation on the loudspeaker shaped gas hole morphology in tin bronze sleeves cast by centrifugal casting have been carried out by optical and scanning electron microscope observation.
在对锡青铜离心轴套铸件的喇叭形气孔形貌进行分析的基础上，归纳出喇叭形气孔的形成机理。
A series of examinations and analysis have been made on the ruptured samples of the SWRH72A wire rod by way of optical metalloscope and scanning electron microscope (SEM).
用光学金相显微镜和扫描电子显微镜对SWRH72A盘条拉拔断裂试样进行一系列检验分析。
A hot-rolled plate cracked during cold bending process. Scanning Electron Microscope and Optical Microscope were used to investigate the cracked plate.
采用扫描电子显微镜和光学显微镜观察了热轧板在冷弯过程中开裂试样的断口形貌并进行了成分分析。
The microstructure and mechanical properties of the as-cast and hot-rolled samples were investigated by optical microscope, X-ray diffraction, scanning electron microscope and tensile test.
利用X-射线衍射仪、光学显微镜、扫描电子显微镜和拉伸试验研究了铸态合金和轧制态合金的组织和力学性能。
An optical microscope and a scanning electron microscope (SEM) were employed to examine the change of the crack and the microstructure before and after the healing treatment.
在光学显微镜和扫描电镜下观察了处理前后钢样品中裂纹和组织的变化。
The effects of rare earth Y on the microstructure and properties of low carbon micro-alloyed steel were studied by optical microscope, scanning electron microscopy and spectroscopy.
利用光学显微镜和扫描电镜以及能谱分析，研究了稀土元素钇对低碳微合金钢组织、性能的影响规律。
The optical microscope, scanning electron microscope and transmission electron microscope were used to investigate the microstructure of the materials.
针对这一现象，采用金相检验、扫描电镜和透射电镜分析法，对爆炸复合前后材料的微观组织进行了对比。
The optical microscope, scanning electron microscope and transmission electron microscope were used to investigate the microstructure of the materials.
针对这一现象，采用金相检验、扫描电镜和透射电镜分析法，对爆炸复合前后材料的微观组织进行了对比。
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