直流的

Based on the theory of associated and decentralized control, this paper introduces the modeling method of AC/DC power system and control law deriving, which can be realized dispersedly and guarantee the stability of the system with optimal performanc

摘要介绍了交直流电力系统关联测量分散励磁控制的建模方法和控制规律的求取，所得控制规律既可以分散实现，又能保证全局稳定且性能最优。

This text regard CPLD as the foundation, making use of the language of VHDL, designing in the electronics the help of the automation tool descend to design with the large-scale and programmable logic machine piece( FPGA/ CPLD) a direct current motive keeps a the crest adjusts downcastly soon with measure the system, with a control power supply.

本文以CPLD为基础，利用VHDL语言，在电子设计自动化工具的帮助下用大规模可编程逻辑器件设计了一个直流电动机直顶向下的调速和测量系统，和一个控制电源。

The research has studied a type of double input direct current amplifier which is holohedral symmetry and whole complementry to get the work fundamental of this electric circuit, and investigate the basic way and principle of the design.

文中通过对一款双差分输入全对称全互补直流功率放大器进行分析，总结出了这一类电路的工作原理，并探讨了这类电路的基本设计方法和设计原则。

In a homodyne unit, we take advantage of the Gunn oscillators' instabilityby varying the DC supply to "push" the frequency slightly.

在简单型耿儿单元，我们利用耿氏二极管振荡器的频率不稳定的优点，通过改变直流电源把频率拉偏一点儿。

Pulsed power supply has anumber of advantages such as energy saving by about 30%,restraining are discharge re-liably,repressing the dffect of the hollow cathode,improving the homogene...

脉冲电源能可靠迅速灭弧，散弧清洗速度快，能够消除或减弱空心阴极效应，解决了具有深孔或沟槽的复杂零部件和齿轮根部的氮化难题，易于选择最佳工艺参数，提高氮化质量，并比直流电源节约电能30％左右。

The DC motor drive, Variable Fill Hydrokinetic drive, and the Variable Mechanical Transmission drive compete for application on belts with extreme profiles or variable speed at running requirements.

在结构特别复杂，运行需要不同速度的传送带启动中，传送带直流发动机驱动、不同填充液体驱动、和相异机械传递驱动系统一直实力相当的候选者。

METHODS: 28 patients with infraorbital nerve injury were examined in 1 month, 3 months, 6 months and 12 months after operation by using sharp-blunt test, two-point discrimination. electric pain response test.

对28例面中骨折后眶下神经损作的患者，术后通过患者自述、针刺检测、两点辨别觉及直流感应电测仪测定眶下神经的恢复状况及恢复时间。

Electrodeionization or EDI, is a continuous and chemical-free process of removing ionized and ionizable species from the feed water using DC power.

电或电子数据交换，是一个持续的和化学的过程中消除电离和ionizable种给水用直流电源。

The classical stability analysis theory is limitary to deal with bulk AC-DC hybrid transmission system .

大规模交直流混合输电系统的出现使得经典的电力系统稳定性分析理论受到了局限。

The PolyE SiGe HBT needs only 6 lithographical steps and cancels the growth of the thick emitter epitaxy layer,both of which show great potential for volume production.

多晶发射极可进一步提供直流和射频性能的折衷，该工艺总共只有6步光刻，与CMOS工艺兼容且无需发射极外延层的生长，这些优点使其适合于商业化生产。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。