查询词典 surface resistance

Hardness of a metal is its resistance to surface indentation or penetration under standard test conditions.

一种金属的硬度是它的抵抗表面凹口或者在标准测试条件下的洞察力的能力。

The effects of the mates with different machining technology and surface treatments on wear resistance were examined.

同时还考察了不同加工工艺和表面处理方法的配合件对其耐磨性的影响，测定了在油润滑和干摩擦下的摩擦系数。

Paint corrosion resistance of the surface so that more .

烤漆表面使耐腐蚀能力更强 3。

At this time the elements should all have approximately the same resistance values and surface temperatures and therefore remain in balance.

此时所有的电阻都有一个相同的阻力系数和表面温度，因此可以最终保持平衡。

Other outstanding characteristics are moisture resistance, purity and a good printing surface.

其他突出的特点是防潮，纯度和良好的印刷表面。

A surface evaporating air cooler heat exchange tube with membrane plate can improve the water membrane area and improve the evaporation heat transmission, without significant wind resistance.

带有增膜板的表面蒸发空冷器换热管束，属于表面蒸发式空冷器的组成部件，特别涉及表面蒸发空冷器换热管束，以有效扩大水膜面积，强化蒸发传热，且不明显增加风阻。

The characteristic of this series leveler iS that it has adopted two national patent technologies:group driving plate levelling machine ZL200420001176.0 and axial decelerating motor leveler ZL200520007514.6.Each top roll is driven by a set of decelerating motor.and every two lower rolls are driven by a set of dynamic system,so that the line speed of each roll iS consistent with sheet metal speed of the contacting part,and it has solved the problems existing in traditional transmission system,such as friction between sheet metal and roll surface.and mechanical interference problem in the system And the working roll adopts spherical roller bearings which have little friction resistance.so this series leveler has such advantages as high levelIing quality,Iittle noise,low energy consumption and environmental protection.compared with traditional levelers.

该系列矫平机的特色之处在于：采用分组驱动板材矫正机(ZL200420001176.0)和一种轴装式减速电机矫平机(ZL200520007514.6)两种国家专利技术，每根上辊由一套减速电机驱动，每两根下辊由一套动力系统驱动，从而使各辊的线速度与所接触部位的板料速度相一致，消除了传统传动系统存在的板料与辊面之间的摩擦和传动系统内部的机械干涉问题，同时由于工作辊的轴承均采用轧机用调心辊子轴承，摩擦阻力小，因此，该系列矫平机与传统矫平机相比，矫平质量高、噪音小、能耗低、节能环保。

Idlers use stamped bearing house. Using wide clearance bearing and multi-layer labyrinth seal improves service life, reduces rotation resistance and friction coefficient. Cast welding and keyless connection has been used for pulley, Hydraulic coupling and hard surface cone cylinder gear speed reducer for drive unit, angle type structure for head frame, so these improve starting performance, drive efficiency, load capacity and service life, reduce floor area and weight of equipment.

托辊采用了35°槽型前倾结构，辊子为冲压轴承座结构，大游隙轴承和册层迷宫密封，提高了寿命，降低了旋转阻力和摩擦系数，滚筒采用了铸焊结构和无健联接，驱动单元采用了液力耦合器和硬齿面圆锥圆柱齿轮减速机，头架采用角型结构，从而改善了启动性能，传动效率，承载能力和使用寿命，减少了占地面积和设备重量。

A method based on the resistance-displacement relationship of shape memory alloy spring that can adjust the nonaxiality of small-diameter pipe inner surface inspection sensor is proposed.

根据记忆合金弹簧的电阻和回复位移一一对应的特性，提出了一种微细管道形貌检测器对中方法。

In order to reduce the external mass-transfer resistance to the transfer of heat liberated upon adsorption, the solid sample was spread in the form of single layers of crystals over the wide surface of an aluminum sample holder.

为了减少外部质量对吸附过程中所释放出的热传递的阻碍，固体样品须以一薄层的形式平铺在铝质的样品盛器宽大的表面上。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。