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Spectrum control technology and its application researchBasic theory of smoothing by spectral dispersion in high-power laser system was studied. Periodical frequency modulation was obtained by chirped pulse stacking, and novel special gratings were proposed here to obtain angular spectral dispersion and temporal smoothing of focal spot.

并在国际上首次成功地应用于激光聚变高功率激光系统中。3、激光脉冲光谱控制技术及应用研究研究了高功率激光光谱色散平滑的基本理论,提出利用堆积啁啾脉冲的周期性光谱调制特性和新颖特殊光栅实现光谱角色散和激光束远场焦斑的时间平滑。

In recent years, with the rapid development of power-pulsed technology, the application domain of Marx generator is gradually broaden.

近年来由于脉冲功率技术的蓬勃发展,其应用领域不断拓展。在很多需要高功率脉冲的场合,都可以看到Marx发生器的身影。

E. block-pulse functions , a arbitrary piecewise constant functions which are orthogonal and unconcerned are introduced to analyze and synthesize fluid PWM system to solve some related problems of PWM system.

第一章首先通过对流体脉冲调制及相关技术的研究发展现状综述,阐明了寻求高效的分析与设计手段以推动流体脉冲调制系统研究、发展和应用的必要性和重要意义。

Different DNA constructs were introduced into the decapsulated cysts of Artemia by electroporation under 2KV, 20 μsec pulse length, 20 number of pulses and a DNA concentration of 20μg/μl in a volume of 100μl.

不同的构筑质体经由电穿孔法,被导入经去壳处理后的丰年虾休眠卵中,在2千伏特、20微秒的脉冲波长度、20次的脉冲数和在100微升的体积中DNA浓度为每微升20微克的设定条件下。

In chapter 2, we have set up a dynamics model which canreflect the toxin change of the organism in an impulsive polluted environment. The resultsshow that under the impulsive effect of the toxicants, the toxin concentration in the organismswill asymptotically tend to a stable periodic solution.

第二章建立了脉冲污染环境中生物体内毒素变化的动力学模型,研究表明在脉冲污染作用下,种群体内的毒素浓度将渐进到一个周期解上。

This pulse was sent to an attenuator in order to get appropriate amplitude.

脉冲经过衰减器衰减得到合时的脉冲幅度。

The value of the area is direct proportional to the number of baffler and the parameter of free area ratio, but it increases exponentially with the diameter of the column and the pulsed amplitude.

峰面积值与脉冲萃取柱的板数和板开孔率参数成正比,与柱径和脉冲振幅成指数关系。

Main structures of plenum pulse bag type collector are as followers: box body and bag compartment, dust store bin, wind inlet and outlet (including screw conveyer and cinder valve), ladder, baluster, air passage system (including offline pneumatic cylinder, electromagnetic pulse valve, compressed air bag), de-dusting controller and so on.

气箱脉冲式袋除尘器的主要结构是,主体由箱体和袋室,灰斗、进出风口(包括螺旋输送机和卸灰阀),爬梯、栏杆、气路系统(包括离线气缸、电磁脉冲阀、压力气包等)、清灰控制器等。

On the base of the hardware structure, the author designed an implement which generating high frequency impulses.

作者根据仪器的硬件结构特点,设计了高频脉冲的输出装置,并结合软件补偿,较好地解决了准确输出高频脉冲的难题。

To take the laser energy fluctuation into consideration, a beam splitter and a laser receiver are added to the traditional design for monitoring the change of laser energy.

这样设计的目的是为了得到遮蔽物释放后无法获得没有遮蔽物时测量处接收机所接收的每个激光脉冲的能量,从而消除脉冲能量起伏对测量精度的影响。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

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我比喻得过头了。