电流的

On the basis of the above results of detecting methods, the instruction signal calculating circuit is designed according to i〓, i〓 calculating mode. Compensation current generating circuit is also designed and implemented. Its current following circuit is designed according to the instantaneous value comparing mode that used constant time control. The source current detection based control mode and composite control mode and their implementation are firstly introduced in our country. The method and the principle of dc side capacitor voltage control are explained clearly.

根据检测方法的研究成果，采用i〓、i〓运算方式构成并联型电力有源滤波器的指令电流运算电路；对补偿电流发生电路进行了电路设计和实施，其中电流跟踪控制电路采用电流跟随性能好、可靠性高的定时控制瞬时值比较方式；在国内首次研究并实施检测电源电流控制方式和复合控制方式；清楚地阐明了并联型电力有源滤波器直流侧电压控制的原理和方法，并在装置中实施。

Based on a low swing, low crossing point current switch driver and central symmetry Q2 random walk pMOS current source layout routing methods, a 1.8V 10 bit 120MS/s CMOS current-steering digital-to-analog converter IP core is implemented in a TSMC 0.18μm CMOS process.

采用低摆幅低交叉点的高速CMOS电流开关驱动器结构和中心对称Q^2随机游动对策拓扑方式的pMOS电流源阵列版图布局方式，基于TSMC0.18μm CMOS工艺实现了一种1.8V10位120MS/s分段温度计译码电流舵CMOS电流舵D/A转换器IP核。

A novel current supply for middleandlow power LD has been designed, which operates on the principles of voltagetocurrent conversion, current amplification,and current negative feedback.

本文作者设计了一种用于中、小功率LD的新型电流源，它的工作原理是电压／电流转换、电流放大和电流负反馈。

A novel current supply for middle-and-low power LD has been designed, which operates on the principles of voltage-to-current conversion, current amplification,and current negative feedback.

本文作者设计了一种用于中、小功率LD的新型电流源，它的工作原理是电压/电流转换、电流放大和电流负反馈。

According to the instantaneous value of transmission line voltage, the current instantaneous values of shunt reactors and 17 equivalent circuit capacitance can be calculated.

由线路电压瞬时值分别实时计算出流入并联电抗器和流入线路Ⅱ型等值电路两侧电容的电流瞬时值，再从线路每侧电流除去这两部分电流，用得到的新电流瞬时值作常规采样值差动和故障分量采样值差动保护计算。

The experimental results present that the three electrodes DBD is basically display filamentary discharge mode. The intermittent filament impulses of current wave of the comb-like electrode are unsymmetrical while that of the plate-plate electrode is symmetrical. And the multineedle-plate DBD displays diffuse conical mode.

实验结果表明：三种电极放电的形式不尽相同，但基本上以细丝放电为主要特征；在放电特性上，单面梳状电极DBD呈正负半周期内电流波形上加载非对称的电流脉冲群，双介质板电极DBD则是对称的电流脉冲群，而多针—介质平板电极放电电流波形上既加载了具有电晕放电特征的稀疏幅值大电流脉冲群，又加载了具有DBD放电特征的密集小幅值的电流脉冲群，表现为DBD和电晕放电相叠加的效果。

Because of the features of current of breaker: the range is wide , the signal of short circuit containing the direct circuit that is attenuation signal, when CT is saturation, the signal of current is aberrational, improved Fourier algorithm and maximum slope algorithm are chosen to calculate the current on the base of theoretic analysis.

根据断路器开断电流信号变化范围宽、短路电流信号含有直流衰减分量、当电流互感器深度饱和时，电流信号发生畸变的特点，在理论推导和分析的基础上，综合采用了并联补偿傅氏算法和最大斜率算法作为监测单元中不同范围内的电流信号的处理算法。

After the application of this model to the MITL-A of Sandia Z-accelerator, it is found that: the formation process of magnetical insulation leads to the increase of line current and the decrease of line voltage; If the initial line current is infinite, the terminal line voltage and current are almost the same as the initial ones; If the ratio of the terminal space-electron current to the terminal line current is less than 10%, the change of terminal line voltage and current of the MITL-A relative to the initial is less than 5%.

将模型应用于Z加速器的MITL-A发现：磁绝缘形成过程将导致线电流增加和线电压降低；如果初始时刻的线电流无限大，则终止时刻的线电压和线电流与初始时刻相同；当终止时刻的空间电子电流在线电流中的比例小于10%，则MITL-A终止时刻的线电压和线电流较初始时刻的变化在5%以内。

According to the analysis of both calculation and measurement, some suggestions were put forward to improve the cell operation and to raise the current efficiency for prebake aluminum production cell.

采用区域电流效率的观点，分析了某厂160kA 预焙铝电解槽电流效率的特点，认为低电流效率区域的存在和面积偏大导致电解槽平均电流效率偏低，并由此提出了提高电流效率的途径。

According to the analysis of both ca lculation and measurement, some suggestions were put forward to improve the cel l operation and to raise the current efficiency for prebake aluminum production cell.

采用区域电流效率的观点，分析了某厂160kA 预焙铝电解槽电流效率的特点，认为低电流效率区域的存在和面积偏大导致电解槽平均电流效率偏低，并由此提出了提高电流效率的途径。

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。