直流的

Effect of compelled arc constriction on weld penetration of alternative current welding is studied.

进行了交流、直流正接和直流反接A-TIG焊，发现极性不同时活性剂对熔深的影响也不同。

If the netscreen-50 uses a dc power supply, see appendix b,"dc power supply" for more information.

如果的NetScreen - 50采用了直流电源供应器，见附录B，&直流电源&以获取更多信息。

The major products are HCF Series single-phase motors, YY series capacitor motor, ZY series of permanent magnet motor, micro-motors, lighting ballasts and mining development of the new permanent magnet DC motors, and other six series of deceleration over 80 varieties.

产品主要有HCF单相串励电机、YY系列电容电机、ZY系列永磁直流电机、微型电机，工矿照明用镇流器及新近开发的永磁直流减速电机等六大系列八十多个品种。

Based on the double-loop DC motor speed automatic control system works, the paper design and research the coal mine hoist DC converter system.

本文根据直流电动机双闭环调速自动控制系统的工作原理，对煤矿矿井提升机直流调速系统进行了设计和研究。

The problems of direct current drive system of finishing mill group in wire production line are raised in this paper, and the key to solving the problems is that taking alternating current requency control system instead of direct current drive system is discussed.

针对某钢铁公司第三型钢厂线材生产线精轧机组原直流传动系统存在的问题，通过技术论证，采用交流变频调速系统取代原直流传动系统，不仅使传动系统故障率大为降低，而且产量也大大增加。

Super quiet direct current electrical engineering:Provide with the big power direct current dynamoelectric and the wheel gear organizations, peaceful movement.

超静直流电机：配备大功率直流电动杨和齿轮机构，安静的运行。

Super quiet direct current electrical engineering:Provide with the big power direct current dynamoelectric and the wheel gear organizations, peaceful movement.

超静直流车库门电机：配备大功率直流电动杨和齿轮机构，安静的运行。

DC to GND DC to BAT BAT, CHG, POK, USB to GND Operating Temperature Range Junction Temperature Range Storage Temperature Range Lead Temperature (soldering, 10s) Continuous Power Dissipation (TA =+70C) 5-Pin Thin SOT23 Derates above +70C 5-Pin Thin SOT23

直流接地直流英美烟草英美烟草，嗜铬粒蛋白2710 8860，USB到GND的工作温度范围结温度范围储存温度范围引线温度（焊接，10秒）连续功率耗散（电讯局长=+70℃）5引脚薄型SOT23封装Derates以上+ 70℃5引脚薄型SOT23封装

The results of research show that the proposed method could effectively diagnose the cut or crack fault by detecting the discharge in the DC feeder cable.

研究结果表明检测直流馈出电缆是否发生放电能够较好的发现直流馈出电缆破损故障。

Present situation and influence of insulator insulation form on its pollution flashover voltage.

直流电压下绝缘子的自然积污特性与绝缘子交直流积污比。

The big eared hedgehog, the little owl, the sand gecko, the three-toed jerboa, and every show needs a villain - saw-scale - the viper!

大耳刺猬，小猫头鹰，沙壁虎，三趾跳鼠，每场戏都需要反派角色：蝰蛇。

Plasmodiophora brassicae ; resting spores ; density gradient centrifugation of sucrose ; ultrasonic disruption

根肿；休眠孢子；蔗糖密度梯度离心；超声波破碎