查询词典 pulsed

Cataphoresis ; high repetition rate pulsed discharge ; axial metal vapor distribution ; metal vapor lasers

电泳；高重复率脉冲放电；轴向金属蒸气分布；金属蒸气激光

According to the partial research work of a project supported by the NSFC, this paper made an investigation in detail on the dynamics, the performance and the cataphoresis effect of Ca+ recombination laser excited by high repetition rate pulsed discharge.

高频脉冲电泳式He-Ca+复合激光与传统的He-Ca+复合激光相比，具有避免阻挡光路、能够相对独立控制钙蒸气压强、维持长期稳定放电和较长寿命的特点，能同时输出几百毫瓦功率的近红外RM跃迁激光和近紫外的复合激光，在微电子技术、激光治疗和可调激光器泵浦源等方面具有广泛的应用前景。

A cataphoresis discharge tube of 7mm inner diameter and 38cm active length was made for the He-Sr+ laser. The recombination laser at 430.5nm and the R-M transition laser at 1.03μm were obtained with the modified Blumlein circuit by high-frequency longitudinal pulsed discharge. The laser components are concentrated on the 430.5nm wavelength.

设计制作了7mm内径和38cm有效激励长度的电泳式He-Sr+激光管，采用修饰Blumlein电路，通过纵向高重复率脉冲放电激励，实现了一价锶离子复合激光430.5nm和R-M跃迁激光1.03μm的同时振荡，其中复合激光占主要成分。

Objective: To investigate the effect of pulsed Nd:YAG laser with sodium-fluoride on artificial caries of human dentine and cementum in vitro.

目的 ：探讨脉冲Nd ：YAG激光结合氟化钠对离体人牙牙本质、牙骨质人工龋的影响。

He used 0.75 milliwatts per square centimetre of pulsed, modulated microwave at a frequency of 450 mhz.

他用了每平方厘米0.75毫瓦的脉冲，调节的微波在450mhz的频率。

The general closed formula of power spectrum density for multi-user aggregate pulsed UWB radio is given, which is the theoretical base for optimizing PSD design of UWB radio. We investigate the main system parameters impact to the PSD of UWB aggregate signals.

从理论上给出了基于超宽带冲激无线电方式的常规调制信号的功率谱密度函数的一般性表达式，为超宽带信号的功率谱优化设计提供了理论基础，研究了系统参数对超宽带信号功率谱的影响。

Aim In order to make a pulsed high voltage power which is suitable for cold cathode X-tube.

目的 制作适用于冷阴极X射线管的脉冲高压电源。

Results and Conclusion The experimental results indicate that the output pulsed high voltage of the generator can meet the demand of the cold cathode X-tube.

结果与结论实验表明该发生器的输出脉冲高压能满足冷阴极射线管的要求。

A lens and a paraboloid nozzle were used to focus pulsed CO2 laser and generate impulse.Effects of single pulse energy on impulse coupling coefficient was studied with a high-accuracy compound pendulum and a light figure system.Extension range of pulse energy from 5 J to 70 J was obtained through adjusting working voltage of the laser and energy attenuation of silicon combinations in the experiment.

利用透镜聚焦，抛物面喷管约束，结合复摆和光指针测量系统研究了单脉冲能量对吸气式激光推进冲量耦合系数的影响，实验中通过调节激光器工作电压和硅片衰减实现了脉冲能量5-70 J范围的有效拓展；进一步采用纳秒分幅高速相机拍摄了24 J能量下的流场纹影照片。

The relay is driven by a pulsed signal instead of a continuous signal.

这种继电器驱动而不是一个连续信号脉冲信号。

And he is one of the few scouts who are occasionally sent out to have dealings with other peoples.

而他也是少数的几位偶尔会被派出去和外界人打交道的巡逻人员之一。

The sons of Hebron: Korah, Tappuah, Rekem and Shema.

希伯仑的儿子是可拉，他普亚，利肯，示玛。