预放电

A number of metal cirque electrodes surround equidistantly outside the glass discharge tube, acting as preionization electrodes.

在玻璃放电管的外表面紧密套上若干圆环形电极，作为预电离电极。

Two comparatively parallel copper foil strips surround helically outside the glass discharge tube, acting as preionization electrodes.

在玻璃放电管的外表面螺旋地粘上两条相对平行的金属箔，作为预电离电极。

From analyzed two typical flashes, we find that the early stage of the intercloud discharge process is similar to the PBP process of normal CG discharge.

两次闪电的个例分析发现该云内放电过程的前期类似于常规地闪的预击穿过程，可能起始于云中部的负电荷。

Molecular laser follows in ArF (193 Nm) and laser of solid of Nd ∶ YAG (213 Nm) differs two kinds the laser of wavelengh denudes in the system, factor of elemental fractional distillation all compares groovy mode to fall to be close to more at 1, make clear use medium to hold back discharge to be opposite gas collosol beforehand effect of fractional distillation of the element after ionization is able to restrain effectively.

在ArF准分子激光(193 nm)和Nd∶YAG固体激光(213 nm)两种不同波长的激光剥蚀系统中，元素分馏因子均比常规模式下更接近于1，表明采用介质阻挡放电对气溶胶预电离后元素分馏效应得以有效抑制。

By means of discharge test on air clearance of real size simulation tower head , the discharge characteristics of UHVDC tower air clearances under DC pre-voltage superimposed with switching surge are researched and the test data are obtained.

通过真型尺寸模拟塔头空气间隙放电试验，研究了特高压线路杆塔空气间隙在直流预电压叠加操作冲击下的放电特性，得到了叠加电压的试验数据。

A method for the determination of trace Pt, Pd, Ir and Au in ores by copper fire assay collection-glow discharge mass spectrometry was developed.

对利用铜试金预富集后辉光放电质谱法测定贵金属矿样中痕量Pt、Pd、Ir、Au的方法进行了探索性研究。

The technique problems such as quick charging of high voltage capacitor, uniform discharge in high pressure large aperture zone, uniform flow of high pressure gas, and laser resonator, high energy pulse output and high repetition pulse output, were solved by applications of ultraviolet preionization, two-circuit series and parallel discharge structure of graphite Ernst electrode, folded resonator that embodies super-thin water-cooled non-deforming mirror, closed circle direct cooling system of double loop and high-voltage high-current switch power supply.

采用紫外预电离双路Ernst石墨电极串并联放电结构、超薄水冷不变形镜折叠腔、双回路直冷式封闭循环流动系统和高压大电流快脉冲开关电源等技术，解决了高功率高压电容充电、高气压大体积均匀辉光放电、高气压高速均匀流场、激光谐振腔和高脉冲能量、高重复频率脉冲激光输出等技术难题。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。