查询词典 direct current

In the currently do not have to RIP imagesetter output software and be subject to any adjustment of the output film's site density value test results we can achieve business card printing and membership card making demands, which means the current RIP software and a parameter of the setter is in line with the current business card printing and membership card production requirements, are not required to be made of the relevant parameters are tuned, you can direct the output of a film that you want to test the value dot, and in the RIP software to convert "" gray-scale parameter is set to ensure that design business card printing and membership card production suites in a color swatch dot value and imagesetters actual output of the dot matches a color swatch.

在长远不有有差RIP输入软件和激光照排机举动任何调动的环境下，如果差所输入胶片的实地密度值尝试甘休能不亏到达制卡和会员卡制息的给求时，这表明长远的RIP软件与照排机的参数是相符长远制卡和会员卡制息给求的，不离不需给再差一些不关的参数举动调动了，可以间接差所输入的胶片举动网点百分比值的尝试，并在RIP软件洋举动"灰度变换"参数的撤销，以包管在安排制卡和会员卡制息版面时的各色块网点百分比值与照排机本质输入时的各色块网点百分比值分歧。

In the currently do not have to RIP imagesetter output software and be subject to any adjustment of the output film's site density value test results we can achieve business card printing requirements, which means the current imagesetter RIP software and is in line with the parameters of the current business card printing requirements, are not required to be made of the relevant parameters are tuned, you can direct the output of a film that you want to test the value dot, and in the RIP software to convert "" gray-scale parameter is set to ensure that design business card printing suites in a color swatch dot value and imagesetters actual output of the dot matches a color swatch.

在长远不有有不差RIP输入软件和激光照排机举动任何调动的环境下，如果不差所输入胶片的实不天密度值尝试甘休能不亏到达制卡的给求时，这外明长远的RIP软件与照排机的参数是相符长远制卡给求的，不离不需给再不差一些不关的参数举动调动了，可以间接不差所输入的胶片举动网不面百分比值的尝试，并在RIP软件洋举动"灰度变换"参数的撤销，以包管在安排制卡版面时的各色块网不面百分比值与照排机本质输入时的各色块网不面百分比值分歧。

So, When the power system is in transient, the sliding mode control rule is chose directly to make transient component decrease quickly, and when the power system is in stability, the direct current control method based on voltage space vector method is imported to make the error current reduce to zero by inches and avoid surge.

为此，当系统处于暂态时，论文直接选择滑模控制率使暂态分量迅速减小，当系统处于稳态时，引入基于电压空间矢量的直接电流控制方法，使误差电流趋于0缓慢变化，在有效补偿系统无功的同时，提高了系统的动态特性，并大大降低了系统振荡的可能性。

For the direct current decouple controller, the P1 adjustor抯 parameter of current and voltage loop抯 is designed. The correction of the designed parameter is testified by simulating on two phase synchronization coordinate and three phase stationary coordinate, the simulation wave is given.

对直接电流解耦控制器的电流环和电压环的PI调节器参数进行了设计，并通过在两相同步坐标系与三相静态坐标系的仿真验证了设计参数的正确性，同时也验证了直接电流解耦控制方案的可行性，给出了仿真波形。

The result indicate that: the electrodeposition of zinc on nickel and tungsten substrates involves instantaneous three-dimensional nucleation. The coating is the best when the current density is 4mA/cm2 and the temperature is 80 ℃. The coating by the method of the impulse electrodeposition is better than the direct current electrodeposition. Especially when f is 100Hz, ton/toff is 2/8 and J is 8mA/cm2, the coating is clean and uniformity. The crystal size is nearly 0.3μ m .

结果表明：阴极反应为准可逆反应，锌离子在镍电极和钨电极上形核是三维瞬时形核半球形扩散长大过程，直流电流密度为4mA/cm2，温度为80 ℃时，镀层质量最好；脉冲电沉积得到的镀层要优于直流电沉积得到的镀层，尤其在脉冲宽度为2ms，脉冲间隔为8ms，电流密度为8mA/cm2时，得到的镀层光滑而均匀，颗粒大小接近0.3μm。

Its software uses system self-detecting algorithm to assure measurement channel .It uses softening hardware technique software synchronic data sampling to trace the frequency of exterior signal, in other words , it gives sampling control signals 128 times of power net's frequency .It uses Direct Digital Frequency Synthetics algorithm to transform radical sine waveform parameter table into needed current. It uses FFT algorithm to get radical waveform altitude of current ,voltage and resistor .

整个系统在软件设计上采用系统自检验算法保证测量通道可用，采用硬件软化技术--软件锁相环技术，达到对外部信号频率的跟踪，给出频率为电网工频128倍的采样控制信号：直接数字频率合成技术将基波参数表转换成需要的电流信号，采用FFT变换及基波幅度的计算方法得到被测电流、电压基波幅度和电阻大小。

This product is applicable to coal mine where has explosible dangerous gas and coal dust,It is used for controlling direct starting stop and reversion of three-phase squierrel cage type asynchronous motor whose rated current up to 400A in system of AC50Hz rated voltage 1140V or 660V, Meanwhile it protects the electromotor and relative circuit, The starter can be combined with firedamp sensor and used to test the consistency of mining working area,the starter will trip when it exceed the limit ;adopt intrinsic safety type circuit for the control circuit; possess the function of local control and remote control by single set and multi sets procedure control; display working voltage current and gas consistency can remember fault parameter

该产品适用于具有爆炸性危险气体和煤尘的矿井中，在交流50Hz，额定电压为1140V或660V ，控制额定电流只400A的三相鼠笼式异步电动机的直接起动，停止及反转，同时对电动机及有关电路进行保护，起动器可与甲烷传感器相连接用于检测才掘工作面的甲烷浓度，当其超限时起动器跳闸；控制电路采用本安型电路；具备单台就地控制与远方控制及多台程序控制功能，能显示工作电压、电流、瓦斯浓度，并能记忆故障参数。

Through investigating the effect of glow discharge parameters such as voltage,current,preburn time and integrating time on the precision and intensity of the emission line,the parameters of analyzing stainless steel were optimized and a new method for the determination of 11 elements in stainless steel by direct current glow discharge -optical emission spectrometry was established.

通过对直流辉光放电光谱法分析不锈钢样品光谱行为的研究，考察了工作参数如放电电压、电流、预溅射时间和积分时间对光谱强度和稳定性的影响。

At this point, control circuit control high-power switch will be presented in a high-voltage direct-current high-frequency batch sent to high-frequency transformer primary and went on to the secondary loop after ventriclar hifrequency rectifter-voltage alternating current, by filtering is converted to a low-voltage stoichiometrical DC.

此时，控制电路控制大功率开关将高压直流电按照一定的高频频率分批送到高频变压器的初级，接着把从次级线圈输出的降压后的高频低压交流电，通过整流滤波转换为低电压强电流的直流电。

The invention uses the normal glass as the basal board , the studded target made of the indium metal mixing into molybdenum or tungstenic, and applies the responsive direct current magnetron sputtering technique under the condition of the basal board temperature equals room temperature, and also, under the appropriate state for the sputtering pressure, the oxygen partial pressure, the sputtering current, and the sputtering voltage to achieve the non-crystal structure In2O3:M film.

本发明以普通玻璃为基板，利用铟金属掺钼或钨的镶嵌靶，在基板温度为室温的条件下采用反应直流磁控溅射技术，在适当的溅射压强、氧分压、溅射电流和溅射电压的条件下制备获得具有非晶结构的In2O3：M薄膜。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044