According to analysis result of tubes' cracks fracture observation, it proves that the fracture is quasi-cleavage fracture which is characterized by river pattern.
通过对管束大量电子断口的观察分析,证明了断口为准解理断裂,具有河流花样的特征。
The cracks on blades made of a directionally solidified superalloy were analyzed. The failure mode and cause were studied in virtue of fracture observation and metallographic analysis.
对定向凝固合金叶片的裂纹进行分析,在断口观察与金相组织分析的基础上,对叶片的失效模式与失效原因进行研究,并提出预防该类故障发生的措施。
The fracture of blades made of a directionally solidified superalloy was analyzed. The failure mode and cause were studied in virtue of fracture observation and metallographic structure analysis.
对定向凝固合金叶片的断裂故障进行了分析,在断口观察与金相组织分析的基础上,对叶片的失效模式与失效原因进行了研究,并提出了预防该类故障发生的措施。
The microstructure and fracture process of an eutectoid pearlitic steel have been observation and analysed by means of electron-diffraction-contrast technique and SEM.
应用电子衍衬技术和扫描电镜等手段,对共析珠光体轨钢的微观结构和断裂过程,进行了观察和分析。
By using field observation and numerical simulation method, the influence of fracture structure plane on the underground pressure and the roof stability of working face are systematically studied.
通过对现场观测和数值模拟分析,系统研究了断裂结构面对回采工作面矿压分布和顶板稳定性的影响。
Methods Observation of elderly patients with femoral neck fracture in 67 cases, functional training and rehabilitation care in the traditional Chinese and western medicine.
方法观察老年股骨颈骨折病人67例,进行功能锻炼及中西医结合康复护理。
Metallographic observation, fracture scanning and energy dispersion spectrum analysis on the fractured turbine blade were carried out.
对汽轮机断裂叶片进行了金相组织观察、断口扫描及能谱分析。
The SEM observation demonstrates that microscopic fracture mechanisms of these three magnets are different.
扫描电镜断口观测显示不同磁体微观断裂机制不同。
Objective Observation and analysis of curative effect about internal fixation with elastic stable intramedullary nails 15 cases of ulna fracture of older children.
目的观察和分析了15例大龄儿童尺骨骨折采用弹性髓内钉内固定术后的疗效。
The mechanical properties and fracture process observation was studied by in-situ tensile test of 93w-y2o3.
研究93 W - Y 2o 3合金的力学性能,并通过扫描电镜原位拉伸试验观察93W - Y 2o 3合金的断裂过程。
The fracture mode and cause were analyzed and determined by fracture surface observation, metallurgical structure examination, chemical analysis and hardness testing.
通过断口宏微观观察、金相组织检查、化学成分及硬度检测等手段确定了叶片断裂性质和原因。
Objective: a modification of the traditional arch wire splint craniomandibular elastic traction in maxilla fracture reduction, observation the effectiveness.
目的:将传统口内牙弓夹板石膏帽固定法加以改进,治疗上颌骨骨折。
The microstructural observation near the fracture indicated that dislocations increased in the matrix of the former composite, while obvious dislocation loops were found in the latter.
对拉伸断口附近显微组织的观察表明,前者基体中位错进一步增殖,后者则存在明显的位错环。
The reason of the Weld Joint Cracking on high frequency welding pipe was investigated by using macroscopic observation, metallographic technology, fracture analysis and EBSD technology.
本文通过使用宏观观察、金相分析、断口分析和电子背散射衍射(EBSD)等分析手段对高频焊管焊后弯管开裂的原因进行了分析。
RSIN fixation was used. X-ray observation was performed for fracture healing and complications.
以X射线平片观察骨折愈合及并发症发生情况。
SEM observation shows that the typical cavities are obvious in fracture surfaces of tensile samples after superplastic deformation.
利用扫描电镜观察断口发现典型的超塑性空洞形貌特征。
The room temperature and high temperature mechanical properties of the composites were studied, and the fracture behavior of the composite was investigated by in-situ SEM observation.
测试了材料的室温与高温性能;通过SEM动态原位拉伸试验研究了复合材料的断裂过程;
Through observation and analysis of metal organism after explosive load experiments, fracture mechanisms of the mild steel and Si-Mn steel materias were specially studied.
通过爆炸加载试验观察分析其金相组织,研究低碳钢和硅锰钢材料的裂纹生成、扩展和断裂机制。
The threshold curve was measured and the fracture modes were identified through the observation of microscopy, they are thermal stressing, thermal thinning and thermal puncture.
实验测量了断裂阈值曲线,并结合显微观察确定了三种断裂模式:热应力、热减薄和热击穿模式。
By using measurement of mechanical parameters and microscopic observation, the effect of initial damage on the ductile fracture initiation toughness of steel was investigated experimentally.
通过力学参数测量和微观观察研究了初始损伤对钢的延性起裂韧性影响。
The effect of different impact damage on the characteristic of compression failure through macroscopical observation at the side of the fracture on the compressed laminate was studied.
对压缩后层压板的断口进行宏观观察,分析不同等级损伤对压缩失效特征的影响。
Results Postoperative observation over the 110 patients has shown that reduction of 98 OMZ fracture cases were all right with the maxillofacial region symmetrical on both sides.
最后结果110例患者术后仔细查看表明,98例骨折复位令人满意,颌面部两侧对称。
Results Postoperative observation over the 110 patients has shown that reduction of 98 OMZ fracture cases were all right with the maxillofacial region symmetrical on both sides.
最后结果110例患者术后仔细查看表明,98例骨折复位令人满意,颌面部两侧对称。
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