When the control valve at the end of center pipe was widely open, the pipe failure was mainly caused by high-temperature oxidation.
当中心管末端调节阀开大时,中心管损坏原因主要为高温氧化;
Through the deep investigation and analysis of the drilling pipe failure, the main factors causing drilling pipe failure are found out.
通过对钻杆失效问题的深入调查和分析,找出引起钻杆失效的主要原因。
The drill pipe failure assessment demonstrates the longitudinal brittle fracture will be avoided when the transverse impact power of the material is over 80J.
应用钻杆失效评估技术研究表明,横向材料冲击功大于80J将避免钻杆内螺纹接头纵向脆性开裂失效。
The heat pipe failure, lower heating air temperature, higher flue gas emission of the furnace in operation are analyzed and improvement measures are suggested.
对实际运行中存在的热管失效、热空气温度偏低、排烟温度偏高等问题进行了分析,并提出了相应的改进措施。
When the pump sets lose electricity during operation, for the sake of preventing pipe failure by negative pressure, installed a surge shaft at the head of the pipe line.
当泵组运行失电时,为防止负压对管道的破坏,在管道首都设置了调压井。
Single pipe pile shows sliding failure at interface and cannot utilize the strength of material; the bearing capacity and deformation ability are low.
结果表明,现行的单钢管桩属于界面的粘结破坏,承载力低,变形能力弱,不能充分发挥材料特性。
Objective: To discuss the nursing experience on the new CAPD pipe connect system and responsibility system nursing in treating chronic renal failure (CPF).
目的探讨新的腹膜透析管连接系统(双联系统)及责任制护理在治疗慢性肾功能衰竭中的护理体会。
Pipe sticking phenomenon appears sometimes during pull-back stage of pipeline crossing with horizontally directional drilling, which results in crossing failure and great economic loss.
在水平定向钻穿越管道回拖环节中,容易出现卡管现象,导致穿越失败,造成巨大的经济损失。
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。
After the integrated analysis of each test result, it is proved that the pipe leakage failure is of stress corrosion damage.
在对各项试验结果进行综合分析之后确认,该管路泄漏失效为应力腐蚀破坏。
The macro and micro characteristics of vacuolar corrosion were studied; a failure case of vacuolar corrosion of petroleum pipe of seashore well-drilling rig was discussed.
通过讨论海上石油钻井平台用管材空泡腐蚀失效的案例,研究管材空泡腐蚀的宏观特征和微观特征。
The results show that the early failure of the cooling pipe was caused by the stress corrosion cracking in the components.
结果表明,冷却水管发生早期失效是由于构件发生应力腐蚀开裂所致。
The result indicated that the failure cause of the stainless steel spiral pipe is the stress corrosion crack induced by Cl- ion.
结果表明,不锈钢盘管失效的原因是氯离子引起的应力腐蚀开裂所致。
Macroscopic and microscopic analyses of a damaged condenser pipe were carried out to investigate the leakage failure of a DUNHAM-BUSH condenser.
针对DUNHAM BUSH冷水机组冷凝器的泄漏问题,开展了失效冷凝器铜管的宏观和微观分析。
In the shale gas mining process, coupling of gas in underground pipeline and pipe will induce the pipeline vibration, which is the main reason for such failure of pipeline vibration.
页岩气开采过程中,井下管路内气体与管路的耦合作用,会引起管路振动,这是此类管路振动失效的主要原因。
This paper introduced the procedure of failure analysis for rolling wheels mounted on pipe rolling machines.
本文介绍了轧管机上辊轮的失效分析过程。
Then, the adoption of appropriate countermeasures has effectively prevented the failure of drilling pipe, thus guaranteeing the reliability of drilling pipe quality.
通过采用合适的对策,有效预防钻杆失效,从而保证钻杆的质量可靠性。
The main reason of inclined pipe fracture was low frequency stress fatigue failure at temperature field.
斜管开裂的主要原因是温度场下的低频应力疲劳破坏。
A field prototype test was used to analyze the method of testing the internal water pressure of pre-stressed concrete cylinder pipe (PCCP), its failure characteristics, and its bearing mechanism.
采用原型现场试验的方法,分析PCCP的管内水压试验方法、破坏特征和承载机理。
Failure cause of mechanical sealing of high temperature screwed pipe for GA123A pump is analyzed. It is showed that the causes of the sealing failure are scale deposit and carbon laydown in pipe.
对GA123A泵的高温波纹管式机械密封的失效原因进行了分析,证实热油泵的密封故障是由于波纹管内侧水垢和积碳引起。
The expert KBS of heating pipe network failure diagnosis system was established via the results of failure simulating experiments.
通过对故障模拟实验结果的分析,进一步建立起供热管网故障诊断的系统专家知识库。
The reason for the accidental failure lies in the unduely designed inlet pipe to the tank.
而油罐进油管设计欠合理则是造成偶然性失效的原因。
The failure mode of the pipe with small diameter is much different from the pipe with large diameter.
小管径管线和大管径管线的失效模式差别很大。
The discussion involves such aspects as the cause of strip folding occurring in butt-welding process of spiral weld pipe, negative influence by such failure on pipe quality and preventive actions.
介绍了螺旋焊管生产中对头焊带钢的硬弯现象发生原因,对钢管质量的危害及防止措施。
But for medium thickness pipe DWTT, it usually converse fraction of figure transforming much in break part, and make specimen failure.
但是中厚壁钢管DWTT试验经常产生解理断裂部分塑性变形大的逆向断口,使试样无效。
Based on analysis of the process of pipe cold-drawing plug's wear-caused failure with the Dointview of friction science, measures for surface strengthening of the said plug were made.
用摩擦学的观点分析了冷拔顶头磨损失效过程,提出了冷拔顶头表面强化措施。
The fracture failure of the piston engine exhaust pipe was analyzed from welding structure defects, welding structure defects and working environment etc.
针对某活塞式发动机排气管断裂现象,从断裂处焊接结构缺陷、焊缝组织缺陷和零件工作环境等方面进行分析。
The weld defects and thermal stress result in failure of vapour wax-removal loop-pipe used in floating roof tank.
浮顶罐蒸汽除蜡装置失效的原因是施工焊接缺陷和热应力破坏。
The weld defects and thermal stress result in failure of vapour wax-removal loop-pipe used in floating roof tank.
浮顶罐蒸汽除蜡装置失效的原因是施工焊接缺陷和热应力破坏。
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