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- To the especially structure and material welding performance of a spaceflight igniter,the key welding problem is the spatter and strike fire phenomenon which is brought by high contact resistance. 针对特殊结构和材料的焊接性能,指出目前的焊接问题主要是存在飞溅和接触电阻过大而带来的“打火”现象;
- To the especially structure and material welding performance of a spaceflight igniter, the key welding problem is the spatter and strike fire phenomenon which is brought by high contact resistance. 摘要针对特殊结构和材料的焊接性能,指出目前的焊接问题主要是存在飞溅和接触电阻过大而带来的“打火”现象。
- high contact resistance 高触点电阻
- The contact resistance is difficult to measure. 接触阻力很难测量。
- It has good properties of palladium coating, such as bright surface , high glisten rate , low contact resistance , high rigidity, antifriction, anticorrosion and so... 利用本工艺电镀能得到性能优良的钯镀层,如外观白亮、反光率高、接触电阻小、硬度高、耐磨、耐蚀等优点。
- This average reading removes some of the effect of contact resistance. 平均读数法去除了接触电阻的某些影响。
- Goldplated terminals reduces contact resistance and serves as anti-corrosion. 镀金端子降低接触电阻,并且可以防腐蚀。
- Under high contact stress condition, the alloy with eute ctoid matrix gives higher friction factor and has better wear resistance than th at with martensite and austenite matrix. 在高接触应力情况下;与马氏体和奥氏体基体的合金相比;共析组织基体的合金具有更大的摩擦系数;其耐磨性也更好.
- The compression time and temperature had no effect on contact resistance. 模压时间和模压温度对接触电阻基本没有影响。
- Goldplated terminals reduces contact resistance and serve as anti-corrosion. 镀金端子降低接触电阻,并且可以防腐蚀。
- Goldplated terminals reduce contact resistance and serve as anti-corrosion. 镀金端子降低接触电阻,并且可以防腐蚀。
- The high contact pressure and the choice of different electrical contact materials enable high currents to be switched reliably. 高接点压力和选择不同的电接点材料能可靠地控制大电流。
- Based on genetic algorithm, the paper gives a optimization method for the design of spiral bevel gear with high tooth, which reaches the goal of high contact ratio. 摘要提出一种基于遗传算法的高齿弧齿锥齿轮的优化设计方法,该方法应用于实例计算,取得了比较好的效果,达到了大重合度的设计目标。
- Hydrophobic molecules in water often cluster together forming micelles.Water on hydrophobic surfaces will exhibit a high contact angle. 疏水性分子在水里通常会聚成一团,而水在疏水性溶液的表面时则会形成一个很大的接触角。
- At the interface between the two bodies the heat transfer is hampered by the so-called contact resistance. 在这两个物体之间的界面上,传热将受阻于所谓的接触阻力。
- Micro ohm meter has been used to measure the contact resistance commonly at present. 目前最常用的接触电阻测试仪器是微欧仪,这些仪器普遍采用大电流恒流源,因此体积和重量都很大。
- The influence of the dose of graphite and the content of alcohol on thermal contact resistance(TCR) was studied. 从理论上分析了隔离剂对接触热导的影响,并通过实验研究了接触热导随喷涂量和表面活性剂乙醇添加量的变化规律。
- Usually, repeated operation of a relay will cause the contact resistance to increase gradually over time. 一般而言,继电器的重复操作将导致接触电阻随时间的大幅度上升。
- But the group found that adding just a tiny amount of titania could significantly prolong lotus effect activity without greatly changing the high contact angle needed for the strong repellency. 但该团队发现,只要少量钛白就可大幅延长莲花效应的寿命,而且对于强排斥性所需的大接触角,也不会改变太多。
- To avoid these problems, the dry circuit method is usually employed for contact resistance tests. 为了避免这类问题,通常采用干电路的方法来进行接点电阻测试。