An all-fiberized master oscillator power amplifier(MOPA) structured pulsed Yb fiber laser is reported.

报道了一台全光纤结构主振荡放大(MOPA)型掺镱脉冲光纤激光器。

My factory is enterprise of a state-operated, produce dynatron of crystal of medium, small-power.

【摘要】我厂是一家国营企业，生产中、小晶体三极管。

To protect the power component of electric welding machine,overtension and undertension protection are circuit designed.

为保护焊机的器件设计了过压欠压电路。

The engine is being specially adapted to increase its power.

正在对这台引擎进行改装以增加它的。

The deta-sigma ADC is composed of analog deta-sigma modulator and decimator.

拟过采样调制器还可以应用于处理音频信号的D类放大器中。

To control stepping motors, the balance bridge power drive circuit is made up by TDA1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.

双回转机构的步进电机控制电路由TDA1521音频集成放大器组成平衡桥式驱动电路，由计算机并行口经过锁存器构成脉冲分配器。

The research expressed, the consumption of power would increase with higher deslag of contain the solid of crud and with a certain concentration it would have a sudden rise.

排渣含固浓越高,消耗越大;并且会在某一排渣浓值急剧升高。

It shows that successfulness in puncturing can be more easily achived by applying tourniquets in several times and releasing the tourniquets after each cannulation when a less venosity appears.

说明利用套管针在静脉充盈不佳血管穿刺时，行分次扎止血带和管后松止血带可以提高穿刺成。

Experiments for testing the influence of slope angle, transmitting rate, diameter of banana cauloid and rotational rate of the cutter to the power are performed on this platform.

通过立式香蕉假茎切块试验台，进行了两转轴夹角、、香蕉假茎直径、切割器转对的影响试验。

Elastic coupling is commonly used in roating machinery for connecting two shafts and delivering the power, for example, the spline coupling between engine and reducer or hydrodynamometer.

摘要弹性联轴器作为航空发动机、减器、动力装置或者吸收装置之间的连接结构，在实际工作中会遭遇到因振动过大而造成事故的发生。

Quantum well intermixing induced by impurity diffusion has been used in fabricating nonabsorbing windows in the cavity facets to improve the output power of high-power laser diodes.

杂质扩散诱导量子阱混杂技术可用于制作腔面非吸收窗口, 提高大半导体激光器的输出。

The working characteristics of heated negative pole power source of intervallic heat electricgun are introduced in this paper.The method of heated power's indirect test is advanced.

介绍间热式电子枪阴极加热电源的工作特点，提出对加热进行间接检测的方法。

As both insulator and energy storage media, de-ionized water combines the advantages of high relative permittivity(is about 80), self repairability, low cost and ease of handling.

水介质具有高的相对介电常数(约80),而且具有自我恢复的能力,在脉冲系统中被广泛应用。

A new concept is proposed,under which by utilizing a proven simple-cycle marine gas turbine a type of intercooling-cycle high-power marine gas turbine has been derived.

提出利用成熟的简单循环船用燃气轮机将其派生为一型间冷循环大船用燃气轮机的新构想,并且原发动机燃气发生器的通流部分和结构大部分保持不变,以继承原机的可靠性。

Next, the Harvard researchers plan to optimize their design in an attempt to increase the output power to milliwatts, from its nanowatt levels today.

下一步,哈佛的研究人员计划最优化它们的设计,以努力把输出从目前的纳瓦级提高至几个毫瓦。

The hot air is always carried to the furnace by a powerful turboblower, through the hot blast main, bustle pipe, bootleg, blowpipe and tuyere.

热风由强大的鼓风机通过热风总管、环形风管、风口小弯管、直吹管和风口不断鼓人高炉。

Laser is a new light source.Comparing with ordinary light the laser has good monochromaticity, directivity, coherency, high brightness, high power and high energy etc.

摘要激光是一种新型光源，激光与普通光相比，具有很好的单色性、方向性、相干性和高亮以及高、高能量等特点。

Sometimes it is said that discrete power amplifier design is rather unenterprising, given the enormous outpouring of ingenuity in the design of analogue ICs.

有时人们会说，鉴于拟集成电路设计中涌现的巨大创造力，分立放大器的设计显得相当缺乏新意。

Designing and building high precise, high voltage pulse generator is expected to be the key technologies for PEF to cold pasteurize liquid food.

PEF非热食品处理的关键技术之一是设计、制造大高精的高压脉冲电源。

It is greatly senseful to study nonlinear phenomenon of transducer for understanding the active state of transducer exactly and increasing the acoustic-electric index.

本文以实验研究为主，对大压电超声换能器的非线性进行了初步研究，以期对实际生产应用提供有益帮助。