火花放电

In this paper, an object of study in EDN, the square barrier model is set up, the mechanism of electron tunnel effect is discussed in EDN, and the explanation of Bohr quantum theory is given on the spark phenomenon in EDN.

以电火花线切割加工为研究对象，通过建立方势垒模型，阐述了电火花加工中的电子隧道效应机理，并对放电加工中出现的火花现象给出了Bohr的量子论解释。

In the spark, operating under the critical damping state, with flash time at about 2 X 10-6 Sec., the ion lines of higher excitation potential first appear and appear shortly.

在放电时间约为2×10~(-6)秒，工作于临界阻尼状态下的火花中，激发电位高的离子线先出现，而且很短暂。

Compared with other gas discharge switches, such as gas spark gap, vacuum switch, hydrogen thyratron and ignitron, the parameters of PSS, such as hold-off voltage, peak current, rate of current rise, lifetime, time delay, jitter, have been greatly improved.

伪火花开关与其它气体放电开关如高气压火花间隙、真空开关、氢气闸流管及引燃管等相比，开关的各项参数如耐受电压、峰值电流、电流上升陡度、寿命、时延和抖动都有了较大改善。

A discharge of built up electrical charge, often forming a spark to a point of lower charge or earth.

充电电荷的放电现象，经常在电荷较低的部位或接地处形成火花。

Under normal circumstances, only a spark generator, the working hours of 0.5 ~ 1s, the reason does not automatically break arc in general is to control the circuit board component disorders, spark generator, electrode gap inappropriate discharge.

正常情况下，火花发生器的工作时间只有0.5～1s，不能自动断弧的原因一般是控制线路板元件失调，火花发生器的放电电极间隙不合适。

Generators should always check the spark discharge electrode to keep the surface smooth and timely adjustments to spark discharge generator electrode gap (0.8 ~ 1.2mm), if necessary, replace the control panel.

应经常检查火花发生器放电极，使其表面保持平整，适时调整火花发生器的放电电极间隙（0.8～1.2mm），必要时更换控制板。

Both results agree well basically. Based on Braginskii's formula for spark dynamic resistance, the nonlinear dynamic resistance of a spark gap used in a transmission line discharging circuit is calculated under the assumption of constant conductivity and variable conductivity.

基于Braginskii火花动态电阻公式，在假定火花开关电导率恒定与电导率渐变的条件下，利用传输线放电电路数值计算了气体火花开关的非线性动态电阻。

The space distributions and the duration of ESD spark are the key characterist...

根据静电放电火花的火花空间分布范围和火花持续时间，研究了静电放电火花点燃可燃物的能力。

Furthermore, quenching phenomena and temporal jitters due to an impedance drop of the discharge can be suppressed. This paper presents the results of temporal resolved fast shutter pho...

简述了金属钼电极与 Si C电极的放电过程和特点后简要分析了 Si C电极抑制电弧的原理，还介绍了伪火花开关奇异放电现象的研究进展

In this paper, the construction of simple nitrogen laser is herebyintroduced; The relationship between distance of spark gap and discharge voltage, outputenergy of the nitrogen laser and discharge voltage, have been studied experimentally.

介绍了一种简易氮分子激光器的构造；实验研究了火花隙距离与放电电压的关系和激光器输出能量与放电电压的关系。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。