查询词典 internal resistance

It uses nanoscale materials to boost the performance of its batteries (making an electrode out of nanoparticles increases its surface area, which in turn decreases the battery's internal resistance and improves its ability to store and deliver energy). Its batteries are already used in power tools, and the company has formed alliances to supply Chrysler and SAIC Motor Corporation of Shanghai with car-sized versions.

它的方法是利用纳米尺寸的材料来提升电池的性能（电极周围是纳米粒子，这增大了表面积，反过来使电池内部阻力降低，因此提高了容量），其产品已经应用于某些动力设备。A123与克莱斯勒和上汽集团合作，为他们提供汽车所需尺寸的电池。

A new method of measuring electromotive force and internal resistance of source using voltmeter instead of potentiometer was studied.

讨论了用伏特计代替电位差计测电源的电动势和内阻的新方法。

Long-term when not in full charge to 20 days once every three months may be interested in using space-time, in order to get through charging lead-acid precipitation caused by the internal resistance.

长期不用时，20天也要足充一次，每三个月时可有意用空一次，以便充电时打通铅酸沉淀造成的内阻。

Measurements from voltage sources with high internal resistance are subject to a number of errors, such as loading errors from the voltmeter's input resistance and input bias current, as well as from external shunt resistance and capacitance.

对高源内阻电压源的测量容易产生几种误差，诸如：电压表输入电阻和输入偏置电流以及外部分流电阻和电容引起的负载误差。

the higher is the resistance of the circuit, the higher/lower is the effect of internal resistance.

电路的电阻愈高，内阻的影响愈大/少

Aeration operation can effectively reduce the cake resistance, but no significant effect on internal resistance reduction can be found.

曝气只能有效减少滤饼阻力，但对於薄膜内部阻力没有太大的减缓效果。

The condition of the minimum relative error is theoretically given. That is the place of the balance point should be chosen according to the ratio of the measured resistance Rx to the internal resistance Rg of the galvanometer in order to get the minimum relative error.

并在此基础上讨论了滑线电桥的灵敏度及其对所测电阻Rx的影响，从理论上给出了滑线电桥最小相对误差的条件：要使滑线电桥灵敏度所引起的相对误差最小，电桥平衡点的位置应按待测电阻Rx与检流计内阻Rg的比值来确定。

Related technology is also researched.Finally,the thermobattery and the booster and steady voltage circuit module are tested by experiments,the result shows that the charging start-up voltage of booster and steady voltage circuit is0.911V,current is70mA.Output power reaches the maximum when equivalent internal resistance of semiconductor thermobattery series-parallel connection matches with load resistance.

并研究了工艺，最后通过试验测试温差电池组和升压稳压电路，结果显示升压稳压电路的充电启动电压为0.911V，电流为70mA，当半导体温差电池串并联的等效内阻和负载电阻匹配时输出功率达到最大。

The new approach to measure the internal resistance of batteries by using alternating current four probe method based on the optimum relational grade of capacity and resistance of the batteries is proposed in this paper.

本文提出的基于蓄电池容量与阻抗最佳关联度的交流四端法是测量蓄电池内阻的新方法，能够克服常用四端法在蓄电池满容或接近满容时检测困难的缺陷，做到了蓄电池内阻的实时在线检测，为直流系统检修模式由计划检修向状态维修转变做出了有益的探索。

In order to solve this problem,on the basis of analyzing the internal resistance of fuel cell and advantages of EIS method,a practical method of online measurement for fuel cell ohmic resistance ,namely alternating current variable frequency an.

为了解决这个问题，本文在对燃料电池内阻进行分析的基础上，结合电化学阻抗谱测试思想，提出了一种改进的燃料电池欧姆内阻在线测试法——交流变频调幅测量法，并基于高性能数字信号处理器设计了测试系统硬件电路和软件，得到了较好的测量效果。

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％。