脉冲

Focusing the laser (10 ns,1 064 nm) through K9 glass is used to study the relation between the damage appearance of the glass and the focusing position of the high intensity ns laser pulse.

利用脉宽为10 ns、波长为1064 nm的激光脉冲聚焦通过K9玻璃的方法，研究了玻璃的损伤形貌与高强度纳秒激光脉冲聚焦位置的关系。

The measuring systems are successfully used in the electromagnetic pulse measurement generated by impulse voltage discharge and switch operation in 500kV substations. Full waveforms of transient electric field, transient magnetic field, transient voltage of high frequency relay channels and low voltage alternative current power during switch operation period have been obtained, and the fast transient pulses in high frequency relay channels and AC power have been caught.

将该套测量系统成功地应用于500kV变电站开关操作产生的电磁脉冲的研究中，得到了开关刀闸操作时暂态电场、磁场、高频通道、交流电压等的完整波形，发现低压交直流电源系统和高频保护通道中存在非常严重的脉冲群干扰，初步解释了变电站二次电源模块经常损坏和高频保护经常误动的原因，提出了加强保护和研究的建议，进一步验证了测量系统的先进性。

When communication by pulses was introduced, the amplitude, frequency and pulse width become possible modulation options.

当脉冲的沟通被介绍的时候，广阔，频率和脉冲宽度变成可能的调音选项。

The influnces of laser parameters including pulse frequency,pulse width and scanning speed were studied.

研究了激光工艺参数(包括脉冲频率、脉冲宽度、扫描速度等)对熔覆层物相的影响。

To meet with the requirement of PECF finishing, pulse power source with high frequency, narrow pulse width and high current is designed.

为了满足螺旋锥齿轮等大型零件的脉冲电化学光整加工的要求，设计了高频、窄脉宽、大电流的脉冲电源。

The parameters such as frequency, width of each pulse and the interval between successive pulses with inverse polarity can be changed easily in program.

这些参数包括输出脉冲的频率、宽度和不同极性的两个脉冲间隙。

The influence of two parameters, frequency and pulse width ratio of wave pulse brush plating speed about, is studied on the base of experiment in this paper.

在低频范围内，通过试验研究了矩形波脉冲频率 f，脉冲宽度比 B对刷镀速度的影响规律。

The DLC film deposited at substrate temperature of 100癈 shows the best integrated property with carbon content of sp3 (sp 3C) bonding state up to 40% which is two times more than that in the films prepared by Americans with the same method. Accordingly, the microhardness is up to 30Gpa, and friction coefficient and optical band gap decrease to 0.10 and 1.76eV respectively.

在HIPIB轰击材料表面方面，本文选择成分由C~(30％)和H~+(70％)组成、加速电压为250KV、脉冲宽度为80～100ns的HIPIB对高速钢(W6Mo5Cr4V2)进行表面辐照处理，研究离子束流密度和脉冲次数对高速钢微观结构和宏观性能的影响，探讨了HIPIB与材料表面相互作用的物理机制。

The gas-burning pulse ash-blowing vehicle of the present invention has the outside-boiler part installed to form one movable ash-blowing equipment and one set of vehicle may be used for several boilers.

本发明创造研制一种脉冲燃气吹灰车，将现用的炉外部分脉冲吹灰设备全部安装在汽车里，制成移动式吹灰装置，解决了一套吹灰系统用于多台锅炉吹灰的问题。

EPM are proposed by means of the relationship between effect of grain refining and parameters of electric pulse field. Moreover, the grain size of casting structure by use of EPM equals to that of utilizing gestations.

通过最佳细化效果与脉冲电场作用参数之间的关系，提出优化的工艺参数，经过加入孕育剂的试样，与脉冲处理的试样相比其晶粒细化程度相当。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。