查询词典 current pulse

Effects of pulse electric current on directional solidification structure of Al-4.5Cu alloy have been observed.

研究了脉冲电流对Al-4.5Cu合金定向凝固过程及组织的影响。

Through the establishment of mathematical model of arc pressure, this paper analyzes the improvement of high-frequency pulse current to arc characteristics.

本文建立了电弧压力的数学模型，分析了高频脉冲电流对电弧特性的改善。

At last the large pulse current in a reconnection EML is measured with this system, and the result is satisfying.

最后，未用此系统测量了重接式电磁发射装置中的电流，取得了令人满意的效果。

The influence of high density pulse electric current on the solidification structure of hypereutectic Al-19Si alloy was studied.

摘 要：研究了高密度脉冲电流对过共晶Al-19Si合金凝固组织的影响。

Optimal methods are also presented on system control methodology (current control and pulse frequency modulation) and frequency compensation.

根据研究结果提出系统在控制方法选择（电流控制和脉冲频率调制）和频率补偿方面的优化办法。

A low? cyanide bright gold plating process with pulse current was developed.

开发出一种低氰脉冲光亮镀金工艺。

By analyzing the pulse transformer and ideal drive electric current wave, we try to improve the rate of changing-over, discuss the damped oscillation, point out existing circuit design error, and working a new circuit design which can reduce the common circuit circulation and switch loss.

通过对脉冲变压器及理想激励电流波形的分析，如何提高转换速率，阻尼振荡予以讨论，指出目前存在的设计误区，做出减少共态导通与开关损耗的新设计。

We use high-frequency pulse current source and applied magnetic field during the process to electrodeposit Ni nanocontacts.

我们采用高频脉冲电流源并在电镀过程中施加磁场的方法，制备镍纳米点接触。

Large numbers of experiments internal and external had confirmed both direct current and square pulse of distal end cathodal could improve peripheral nerve regeneration, because it could speed up transmigration, creeper, growth and development of cell Schwann, derivate growth of nerve fiber; it also increased blood capillary of epineurium, brood blood vessel, amendment ischemic of impaired nerve, it still could accelerate Wallerian

国内外大量的基础实验及临床研究都证实远端负极电流的直流电场及脉冲电场等均有促进周围神经再生的作用，认为其可加速Schwann细胞的游走、爬行及生长发育，诱导神经纤维的生长；电刺激还能促使神经外膜毛细血管数量增多，扩张血管，改善神经损伤段缺血状态，并加速Wallerian变性及崩解组织的清除，为Schwann细胞发育和髓鞘化过程提供充足的能量与物质，同时为神经轴突的再生提供良好的内环境；在神经断端出现瘢痕或神经瘤时，电刺激可增加神经纤维穿越瘢痕的能力。

Recently, mud pulse modulate means of wireless has been paid attention; current transmitter technology also has been more and more extensively used in industry condition, because of its stronger anti-jamming and farer transmission distance.

近年来，无线传输中的泥浆脉宽调制方法引起各方关注，电流环技术由于它的抗干扰性强、传输距离远，也越来越多的被应用在工业环境的信息传输中。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。