PLC and 24V direct-current supply are adopted in the electrical system of concrete pumps.
混凝土泵电气系统采用可编程序控制器编程控制，系统采用24V直流供电；
But in relatively liberalised Britain gas is largely traded at spot prices set by current supply and demand.
但是在市场相对自由的英国，天然气以供需决定的市场价格进行交易。
This thesis introduces a kind of current supply of the induction heating equipment and its design scheme.
本文针对中频感应加热装置的需要设计了一种感应加热电源。
Chapter Three explains how the UPS with constant current supply the power, as the electric power is not available.
第三章重点讲的是恒流ups在市电出现故障时如何实现恒流不间断供电的。
In the welding course can realize constant current supply and permanent percentage and controls and line voltage compensation etc.
同时在焊接过程中，实现恒流、恒百分比控制、网压补偿等多种算法。
It is waterproof; low voltage and directly current supply for using conveniently, safely; irradiance color is various and attractive.
该产品防水性能好，使用低压直流供电安全方便，发光颜色多样，色彩绚丽。
It was shown that high power pulse superposition current supply was the optimum choice for hard surface treatment of al and al alloys.
指出大功率脉冲叠加电源是铝及铝表面硬质处理的首选电源。
The constant current supply for the input circuit is adopted, improving the linear relation between the signal voltage v, and temperature t.
该电路采用恒流源供电的输入电路，提高了信号电压v _ t与温度t的线性度。
Laser diode (LD) is a current injected device whose characteristic and life are greatly dependent on the performance of LD-used current supply.
半导体激光器(LD)是一种电流注入式电致发光器件，其工作特性和使用寿命主要取决于驱动电流源的性能优劣。
It gives a kind of the practical DC regulated power supply, and takes part regulated voltage supply. Regulated current supply and DC-DC converter.
同时给出一种实用直流稳定电源的设计，并从稳压电源、稳流电源、DC - DC变换器三部分进行剖析。
The circuitry is described including single chip computer , signal converting circuit, constant current supply circuit and zero-detection circuit.
介绍了电路系统，包括微机部分、信号转换与处理电路、恒流源电路、测零电路等硬件。讨论了软件设计的有关问题。
No more pointy plastic dinosaurs, inch-tall construction workers, or neon-colored pool toys. We will have to make do with our current supply of those items.
没有了尖头的塑料恐龙、一英寸高的建筑工和霓虹色的游泳池玩具，我们不得不靠现有的东西来凑合了。
BUS protection PANEL, a module (black box) containing electrical circuits for control and protection of electrical alternating current supply to the airplane.
汇流条防护板，黑匣子式的组件，内含控制和保护飞机交流电源的电路。
The functions of direct current supply of accumulator were introduced. The operation results showed that the power supply had a good operation effect, and a low cost.
介绍了蓄电池直流电源的作用及功能，运行结果表明，该电源运行效果良好且成本低。
Soybean is the most prominent crop between current supply and demand which could be used either as food or oil and also is an important source of protein for people's daily life.
大豆是我国当前供求矛盾最为突出的粮油兼用作物，是人们生活的重要植物蛋白质来源。
Targeting the current supply and demand status of railway freight transportation, the essay also suggests adjusting the soft and hardware transport resources in the railway sector.
针对铁路货运供求现状，提出铁路应调整软性和硬件运力资源。
After the introduction of the characteristics of semiconductor laser diode, the bias current supply of the laser driver and the automatic power control (APC) function were analyzed.
简要介绍了半导体激光器的温度特性的后，分析了激光驱动器偏置电流提供和自动功率控制(APC)功能。
This paper discussed the resources, current supply and demand status of natural gas in China, meanwhile, introduces the development situation and future trends of natural gas automobiles.
分析了我国天然气的资源和应用情况，介绍了近年来国内外天然气汽车的研究进展、未来的发展趋势及应用前景。
Furthermore, the present invention relates to an electrical machining tool as well as a current supply device with the inventive monitoring device and a corresponding method of operation.
本发明还涉及具有这种监控装置的电动工具机及电源装置及相应的运行方法。
If current supply and demand were initially in balance, the OPEC countries and other oil producers would respond by reducing sales to bring supply into line with the temporary reduction in demand.
如果当前石油供求一开始处于平衡状态，欧佩克与其他产油国就会减少石油供应，使得供应与暂时下降的需求保持一致。
The behavior principle of DDL protection for DC feeder in DC traction current supply system and the setting principle of protection parameters are introduced and illustrative examples are given.
介绍直流牵引供电系统中直流馈线ddl保护的动作原理，以及保护参数的设定原则，并举例说。
This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.
介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。
By 2010, the Fed economists reckon, Labour supply in America will be rising by a mere 0.4% a year, well under half its current rate.
美联储的经济学家们认为，到2010年美国劳动力的供给将会仅以每年0.4%的速度上涨，大大低于目前的一半水平。
"Over time, high prices will produce a supply response, and we'll see some of the sting out of current prices come out," Thirlwell said.
他说：“随著时间的推移，高价格会导致供应的回馈。”我们会看到，目前价格高涨造成的问题有些的确会消失。
Wind turbines off US coastlines could potentially supply more than enough electricity to meet the country's current electricity demand, the US interior department reported today.
美国内务部今天报告称，在美国海岸线设置风力发电机可以长期提供超过国家目前电力需求的电能。
Worldwide, wind energy under the same constraints could supply at least 40 times the current electricity consumption.
在世界范围内，在相同条件下的风能能够提供是现在电力消耗40倍的能量。
The Paice patent covers a way to supply torque to a car’s wheels from both an electric motor and internal combustion engine using a combination of high voltage and low current.
帕斯专利包括通过高电压和低电流从电动马达和内燃引擎向汽车车轮提供力转矩的方法。
The primary power supply is powered from the mains supply and energizes a lumped coil; the current ranges anywhere from 5 to125 amps.
主要的电力供给是来自市电电源并通过一个集合线圈激发；电流范围从5到125安培。
The primary power supply is powered from the mains supply and energizes a lumped coil; the current ranges anywhere from 5 to125 amps.
主要的电力供给是来自市电电源并通过一个集合线圈激发；电流范围从5到125安培。
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