查询词典 decade capacitance box

This motor has the merit of resistance starting and capacitance running induction-motor,namely it has biggist start torque and energetics indicatrix.

该机兼容了电阻启动感应电动机和电容运转感应电动机的优点，即具有较大的启动转矩和较高的力能指标。

It is shown that what affect the amplitude of pre-pulse voltage are the grounding inductance and the frequency of the charging loop circuit, which is determined by the secondary coil inductance of transformer and the capacitance of PFL.

研究表明由变压器副边电感和脉冲形成线电容构成的回路充电频率和接地电感的大小是影响预脉冲电压幅值的主要因素。

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。

In high resistance circuits, the noise bandwidth is often limited by the time constant of the source resistance and input capacitance, and this value In this case, noise bandwidth is

在高阻电路中，噪声带宽常常受到源电阻和输入电容的时间常数的限制。这个数值为上述各种噪声带宽计算结果中的最小者。在这种情况下，噪声带宽为

The input resistance is 1 megohm paralled with 25 picofarads capacitance.

其输入电阻为1mΩ，与25pF的电容并联。

Measurements of interdigital capacitance were performed at room temperature for frequencies 0.1 kHz,1 kHz and 10 kHz.

采用溶胶-凝胶法和自旋涂覆技术在二氧化硅为基材的梳状电极电容器上形成有机硅酸酯的气敏涂层。

Image distortion can be also introduced by interelectrode capacitance and electronic noise.Moreover,the position resolution,image linearity and background rate of detector are tested.

此外，测试了探测器的暗计数率、线性度以及空间分辨率等性能，同时分析了微通道板在光照情况下的增益特性和暗计数的一般特性及其产生原因。

In the above described configuration, the common electrode 9a and the pixel electrodes 7a are opposite each other through the interelectrode insulating film 8, and the holding capacitance 60 is formed using the interelectrode insulating film 8 as a dielectric film.

在如此地进行了构成的状态下，共用电极9a与像素电极7a通过电极间绝缘膜8而相对向，形成以电极间绝缘膜8作为电介质膜的保持电容60。

The capacitance is 4.1μF,initial voltage is 10kV,and interelectrode gap is 7mm.The measured pressure of the first and second shock wave is 1.55MPa and 0.55MPa respectively.

通过压力传感器测得放电所产生的冲击波和气泡首次回胀时产生的冲击波在离通道 0 3m处的峰值压力分别为 1 5 5MPa和 0 5 5MPa ，模拟计算所得的峰值压力分别为 1 0MPa和 0 3 8MPa ，两者基本相符。

Combining the experimental results and theoretical analysis, the following work has been accomplished.(1) Reasons of the decrease of interelectrode capacitance and the increase of discharge gap caused by the powder suspended in dielectric fluid are explained. And the mechanism that surface quality of workpiece improved by powder-mixed EDM is analyzed from this viewpoint.(2) The variation regularity of the percentage of silicon on the machined surface of workpiece has been summarized according to the experiment results when silicon powder was added into the working fluid. The entropy is introduced to explain the reasons for this variation regularity by thermodynamics.(3) The dimensional accuracy is greatly influenced by the overcut resulting from discharge gap and electrode wear in practice application. Empirical formulas for the overcut in EDM and powder-mixed EDM are established based on the experimental results using the ternary linear regressive method in this paper.(4) The influence of main factors on the machined surface characteristics has been evaluated based on the orthogonal experimental design method.

通过一系列普通电火花加工与混粉电火花加工的对比实验，运用工艺实验和理论分析相结合的方法，重点做了以下工作：(1)探讨了粉末颗粒导致极间电容减小、放电间隙增大的原因，并从这个角度解释了混粉电火花加工可以改善工件表面质量的机理；(2)以混合硅粉的电火花加工为例，实验得出峰值电流和脉冲宽度对加工表面层成分中硅元素含量的影响规律，并引入熵的概念从热力学的角度对硅元素含量变化的原因寻找了理论依据；(3)在实际加工中，由于粉末的加入使放电间隙变大，这使得混粉电火花加工的尺寸精度难以控制，本文利用三元线性回归的方法，在实验数据的基础上，建立了两种电火花加工过切量的计算公式；(4)将正交试验法应用于混粉电火花加工实验研究，并通过对实验指标极差的直观分析，得出各电参数对加工指标影响的敏感程度。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。