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fatigue相关的网络例句

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According to the special demand of mould used in metal mold casting, thermal fatigue of MAO layer, and influence of MAO layer on filling capacity of molten metal have been studied.

针对金属型铸造用模的特殊要求,主要对MAO表面改性层的热疲劳性能以及表面改性层对熔体流动性的影响进行了的研究。

After 30 years, aluminum suffers metal fatigue and the QE II now needs frequent repairs.

但这不是长久之计。30年后,铝板将老化,QE二号需要定期的修理。

Keywords Dynamic fatigue reliability;Metal structure;Crack;Crane

动态疲劳可靠性;金属结构;裂纹;起重机

In this paper, the strength theory is adopted to analyze the stress of the pressure component of boiler, and the calculation method of metal fatigue and creep is adopted to estimate the life loss of the boiler. Meanwhile, the short-cut calculation method is put forward which can meet the requirement of on-line monitoring. On the basis of above, the on-line monitoring and management system of boiler life is developed.

本文采用强度理论和疲劳、蠕变寿命计算方法,分别对电站锅炉的炉外、炉内主要承压部件进行了应力分析和寿命计算,并提出满足在线监测要求的简化计算方法,在此基础上,开发了锅炉承压部件的寿命在线监测和管理系统。

Laser shock peening is a well-known method for extending the fatigue life of metal components by introducing near-surface compressive residual stress.

激光冲击硬化通过在材料的近表面产生残余压应力来提高材料的表面硬度和抗疲劳寿命。

Metal fatigue.

金属疲劳。

No signs of fatigue were found for the polymethyl methacrylate, but small cracks were in the calcium phosphate.

在聚甲基丙烯酸甲酯中没有发现疲劳折断的迹象,但磷酸钙中有轻微的裂隙。

Quality equipment categories: Programmable constant temperature and humidity box, high and low temperature test chamber, salt spray test machine, oven, heat aging test machine, cold / anti-yellowing chamber, hot and cold impact test machine, hot wire testing machine, Vertical + level of combustion testing machine, testing machine tracking, key life testing machine, plug and socket load life testing machine, spring testing machine, 90-degree peel strength test machine, the breakdown strength test machine, Central compressive strength testing machine, paper tube / carton compression testing machine, wearable rub tester, plug test machines, rotor life durability testing machine, testing machine Life expectancy clamshell mobile phone, mouse, roller-life testing machine, vibration test machine to simulate the vibration motor transport units, cell phone drop test machine, packaging drop test machine, torsion testing machine wire Qu, sudden pull plug wire tester, static tensile testing machine, wire bending rock testing machine, wire elongation testing machine, universal testing machine, tensile testing machine, drop-ball impact testing machine, fatigue life testing machine headphones, headsets Life expectancy tensile testing machine, push pull, the cloth, carvedilol, Victoria, Xiao, Lane, Shaw Sclerometer, video measuring instrument, precision mapping microscope, digital projectors, stereomicroscope , metallographic microscope, reading microscope, continuous zoom microscope, magnifying glass, caliper, micrometer, standard weight, height, the thickness, the slab of rock, electronic weight, said that electronic counting, electronic scales, analytical balance, standard light boxes, etc..

可程式恒温恒湿箱、高低温试验箱、盐水喷雾试验机、干燥箱、热老化试验机、耐寒/耐黄变试验箱、冷热冲击试验机、灼热丝试验机、垂直+水平燃烧试验机、漏电起痕试验机、按键寿命试验机、插头插座负载寿命试验机、弹簧试验机、90度剥离强度试验机、破裂强度试验机、环压强度试验机、纸管/纸箱抗压试验机、耐磨擦试验机、插拔力试验机、转轴寿命耐久试验机、手机翻盖寿命试验机、鼠标滚轴寿命试验机、振动试验机、模拟汽车运输振动台、手机跌落试验机、包装跌落试验机、电线曲挠试验机、插头线突拉试验机、静态拉力试验机、线材弯折摇摆试验机、线材伸长率试验机、万能材料试验机、拉力试验机、落球冲击试验机、耳机疲劳寿命试验机、耳机拉伸寿命试验机、推拉力计、布、洛、维、肖、里、邵氏硬度计、影像测量仪、精密测绘显微镜、数字投影仪、体视显微镜、金相显微镜、读数显微镜、连续变倍显微镜、放大镜、卡尺、千分尺、标准砝码、高度计、厚度计、岩石平板、电子计重称、电子计数称、电子天平、分析天平、标准光源箱等。

The results show that the surface microphotograph yielded in multiple-step machining with slow feeding and in one-step compound process is satisfactory, and there are fewer defects, lower deformation and thinner metamorphic layers; while that produced in other processes is quite rough, there are more defects and bigger deformation on the machined surface, and they are detrimental to assembly properties and fatigue life of fastening holes.

结果表明,钻扩铰多步慢进给工艺和一步复合制孔工艺所加工出的表面,平整、光滑、加工缺陷少、晶格变形小、变质层薄;而其它工艺条件下,孔表面微观形貌复杂、加工纹路紊乱、表面缺陷多、晶格畸变大,变质层厚,这些加工状况,对紧固孔的装配性能和疲劳寿命都有很大的影响。

Zr has harmful effect on the thermal fatigue property because it promotes the appearance of microporosity and formation of eutectic.

本文尝试研究微量元素对K17G合金的作用机理,并通过合理地控制和调整微量元素含量,在保持K17G合金原有良好力学性能的基础上,提高K17G合金的初熔温度和热疲劳性能,开发出新合金,以满足未来发动机不断改进的需要。

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推荐网络例句

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。

If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.

如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。