内电阻

The relation between the resistivity and the surface roughness about Ni-Al films is studied.

研究了在纳米厚度范围内，Ni-Al薄膜的电阻率与表面粗糙度的关系。

The effects of content of PAS in the composite on volume resistivity and surface resistivity were discussed in detail.

实验结果表明，所制备复合材料的渗流转变发生在纳米聚并苯质量分数为16.7%-28.6%范围内，当纳米聚并苯含量为28.6%时，体积电阻率下降至2.09×107 Ω·cm。

The experiment shows that:(1) In certain light intensity and electric field ranges (145～305V/cm) the material Si∶ with a resistivity of 1E4Ω·cm exhibits a current oscillation phenomenon at liquid nitrogen temperature;(2) At a certain electric field,the waveform of the current oscillation is stable and does not change with time;(3) The dependence relation between the oscillation frequency and light-intensity can be expressed by f=f0(L/L0)α where L0 is the minimum light-intensity needed to stimulate oscillation,f0 is the frequency under L0,L is the intensity of the light,and α is a coefficient that increase with electric field;(4) The modulating coefficient K K=(Imax-Imin/Imax decreases as the light increases;(5) The maximum value of the oscillation Imax decreases with the increase of the light-intensity while the minimum value of oscillation Imin increases slowly.

结果表明：在一定光照和电场范围内（276～305V/cm ，电阻率为10.4Ω·cm的材料在液氮温度下显示出电流振荡特性；在一定的电场下，电流振荡波形是固定的，不随时间变化；振荡频率随光照强度的增大而线性增大；调制系数随着光强的增强而减弱；振荡的最大值随着光照强度增大而减小，最小值随着光强增大而缓慢增大。

Of electric current, voltage and resistor what can make up programmed control to make electric current, voltage and power is accurate read time use within transient state simulative generator of buy pulse form is successive as laden as pulse job has the synchronism outside complete protective function to spark input higher power can shunt-wound job can make, electronic load is all Agilent Dc that the solution of stand-alone of ideal equipment Agilent of power cell and batteries capacity test offers your place to need all sorts of dynamic and laden application undertook optimizing.

电流、电压及电阻的可编程节制电流、电压及功率的切确读回用于瞬态模拟的内置脉冲形发生器陆续与脉冲负载工作存在完整的保护性能外同步触发输入较高功率可并联工作可使到高达240V的负载可利用单输入或多输入主机箱 3年保修期 Agilent直流电子负载是测试与评估直流电源，功率元件和电池容量测试的理想行动措施 Agilent单机解决方案供给您所需的一切 Agilent dc电子负载为各类动静负载应用进行了优化。

He therefore proposed the use of high-voltage shunt reactors, shunt resistors in the circuit breaker to install, using metal oxide surge arresters and other measures to limit over-voltage and, through the electromagnetic transient simulation verification, can operate in a safe range of over-voltage limit inside, so that the transmission system to maintain safe and stable operation.

因此，提出了使用高压并联电抗器、在断路器上加装并联电阻、采用金属氧化物避雷器等限制操作过电压的措施，并通过电磁暂态仿真计算验证，能将操作过电压限制在安全范围内，使输电系统保持安全、稳定运行。

This laboratory crucible salt bath structure, the furnace shell is made by the steel plate and the section welding, the chamber conserves energy the fire-proof material by Gao Lvzhi to be made, the chamber uses the aluminum silicate textile fiber heat preservation in the furnace shell, the resistancewire uses the 0Cr25Al5 heating element, circles makes the spiral-shaped arrangement in the chamber string silk hole all around.

本实验室坩锅盐浴炉结构，炉壳由钢板和型钢焊接制成，炉膛由高铝质节能型耐火材料制成，炉膛于炉壳间采用硅酸铝纤维保温，电阻丝采用0Cr25Al5发热元件，绕制成螺旋状布置在炉膛四周的串丝孔内。

This laboratory crucible salt bath structure, the furnace shell is made by the steel plate and the section welding, the chamber conserves energy the fire-proof material by Gao Lvzhi to be made, the chamber uses the aluminum silicate textile fiber heat preservation in the furnace shell, the resistance wire uses the 0Cr25Al5 heating element, circles makes the spiral-shaped arrangement in the chamber string silk hole all around.

本实验室坩锅盐浴炉结构，炉壳由钢板和型钢焊接制成，炉膛由高铝质节能型耐火材料制成，炉膛于炉壳间采用硅酸铝纤维保温，电阻丝采用0Cr25Al5发热元件，绕制成螺旋状布置在炉膛四周的串丝孔内。

The crucible salt bath furnace structure of this lab, the furnace rind is welded by the steel plate and profiled bar , the hearth is made from energy-saving and fireproof high aluminum quality material, the hearth uses the silicate aluminum fiber to keep warm in the furnace rind, the resistance wire usesthe 0Cr25Al5 heating element, circles makes the spiral-shape in the hearth string silk hole all around.

本实验室坩锅盐浴炉结构，炉壳由钢板和型钢焊接制成，炉膛由高铝质节能型耐火材料制成，炉膛于炉壳间采用硅酸铝纤维保温，电阻丝采用0Cr25Al5发热元件，绕制成螺旋状布置在炉膛四周的串丝孔内。

The results show that the optimized performances of the Au/CdZnTe contacts after thermal treatment in air at a range of 353-373 K can be obtained, that is, the contacts possess lower barrier height, smaller contact resistance and better ohmic coefficient, without damaging bulk CdZnTe properties.

结果表明，在353~373 K温度范围内进行热处理可以获得更优化的电极接触性能，测试得到电极与CdZnTe接触势垒较低，接触电阻较小，欧姆系数最佳，并且不会破坏CdZnTe体材料本身的性能。

Through an analysis of the electromagnetic force on the electric heated rod, the authors work out the equation for calculating the electromagnetic force on unit area of the rod, and indicate that radial vibration of 100Hz will occur when the rod is in operation, which have little effect on the strength and sealing of the rod owing to minor amplitude.

电热杆的交流阻抗远大于导线的电阻，因此主要发热体为抽油杆，可快速有效地加热杆外的原油，而导线不会过热，有利于导线的绝缘与保护。通过对电热杆所受电磁力的分析，推导出了抽油杆内表面单位面积上所受电磁力的计算公式，从而得知电热杆工作时将产生沿径向向外的径向振动，振动频率为100Hz。但由于振幅较小，这种振动不会对抽油杆的强度和密封产生明显的不利影响。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。