脉冲

The error includes two sides, one is the calculation error about Wheatstone bridge circuit, and another is the effect of the sharp pulse producing when test current is loaded on the sample. In order to eliminate or decrease error, some measures are employed in the test program.

2进行了无损性验证试验，结果说明经过瞬态脉冲试验的产品的感度性能与未经过瞬态脉冲试验的产品的感度性能相比，没有显著性差异。

Shanghai Institute of Mechanical ＆ Electrical Engineering,Shanghai 200040,ChinaAbstract: With the development of pulse arc welding,especially to foretime some material with high heat tenderness difficult to weldthe situation difficult to weld(such as full position welding,narrow gap welding,and the pipe,thin workpiece need singlefaced welding to make doublefaced moulding).

脉冲弧焊工艺的发展，特别是对一些难焊的、热敏感性高的材料和难于施焊的场合(如全位置焊、窄间隙焊以及要求单面焊双面成形的管件、薄件)，脉冲焊均显出独特的优越性。

Ainoi}g the components of the pules song, the interpulse interval is especially important.

一在脉冲歌的诸成分中，脉冲间间隔特别重要。

The L band 500W SSPA module which has reached national level is the first sample of the Southwest China Research Institute of Electronic Equipment in this aspect;2. The method which to obtain fast rising time for narrow pulse width is got;3. The method of eliminating autoecious surge with pulse power amplifier is presented;The cause of pulse shape aberration is analysed.

二、工作的创新之处(1)L波段500W固态功放组件达到国内先进水平，是29所研制的第一台固态雷达功放组件；(2)得到了如何在窄脉宽情况下获得快速上升沿的方法；(3)提出了针对脉冲功率放大器的消除寄生振荡的方法；(4)对脉冲波形变差进行了分析。

Therefore, the theory and experimental results provide the fundamental design for the plenum pulse cleaning system in the plenum-pulse baghouse.

该理论和实验研究内容为气箱式脉冲袋式除尘器脉冲清灰系统设计计算提供了理论依据。

It incorporated the advantages of separately baghouse reverse blow and reverse pulse-jet of air and so on, overcame the low intensity of separately baghouse reverse blow, and simultaneous operating of reverse blow and filtrate at a time.

它集分室反吹和脉冲喷吹等诸类除尘器的优点，克服了分室反吹清灰强度不够，脉冲喷吹清灰和过滤同时进行的特点，因而扩大了袋收尘器的应用范围，提高了收尘效率，延长履带使用寿命。

This paper introduces that the DT pulse neutron takes on the waveform with burred feature because of fluctuation of particle statistic when it is measured through the PMT scintillant detector.

介绍了在用PMT闪烁探测器测量脉冲中子产额时，由于粒子的统计涨落而使脉冲波形呈现毛刺现象。

What is capturable cycle minimum and width minimum in pulse test?

脉冲测试时能够捕获的最小周期和最小脉冲宽度是多少？

The influences of plating process parameters, such as sulphamate concentration, electrolyte pH value and temperature, and pulse parameters, such as cathodal current density, pulse current frequency and duty cycle, on the micro-hardness of the nickel deposit has been studied by orthogonal experiments.

利用正交试验法分析研究了主盐氨基磺酸镍浓度、电镀过程工艺参数及脉冲参数（阴极电流密度、脉冲频率和占空比）对镀层显微硬度的影响；并对相关参数进行了优化。

Objective After Intense pulsed light irradiation cavia cobaya skin, to evaluate the histological change of skin with HE stains; to evaluate the collagen fiber change with nitroxanthic acid stains; to quantitative analysis of hydroxyproline content. Confirm mechanism of action for Intense pulsed light on sun-damaged human skin.

目的 用强脉冲光照射豚鼠背部皮肤后，通过HE染色观察皮肤组织学的改变；用苦味酸染色观察皮肤胶原纤维的改变；定量分析豚鼠皮肤羟脯氨酸的含量，观察皮肤胶原蛋白的变化，进一步研究强脉冲光治疗皮肤光老化的作用机制。

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。