查询词典 cathode glow

Cathode temperature is one of the most important factors influencing the stability of high current glow discharge.

阴极的温度是影响大电流辉光放电稳定工作的重要因素。

Many swarm parameters have been obtained such as the electron density distribution, the energy and spatial distribution of the emitted electrons from the MHCD at various voltage and different dimension of micro-hollow cathode. Micro-hollow cathode discharges with slot and cylindrical cathode have been done, results show that pressure, cathode structure and the gas mixture will affect the stability of glow discharge. Micro-hollow cathode discharge array was obtained by individual ballasted discharge unit.

进行了槽型和孔型微空心阴极放电的实验，不同的气压、电极结构以及气体配比对放电稳定性有着明显的影响；采用分段镇流的方法，进行了微空心阴极阵列放电的实验研究，得到了均匀放电；做了大气压下MHCD自持的辉光放电研究。

According to glow discharge cathode fall theory, a formula of cathode current density was drawn when source electrode discharge.

以空心阴极放电理论为基础，提出了用宏观工艺参数直接计算不等电位空心阴极放电电流放大系数的经验计算公式，并与实测值相符。

Experimental results showed that it is feasible to use MHCD as the electron sources for the glow discharge, and the discharge characteristics of the micro hollow cathode sustained glow discharge predicted from the model are in agreement with the experiment results.

实验表明以MHCD作为辉光放电电子源是可行的，并且微空心阴极放电自持的辉光放电特性的实验结果和理论模拟是一致的。

Because of the high discharge current, the thickness of this region is very thin, the electric filed is much higher than that of the cold cathode glow discharge.

由于大电流放电效应，使得阳极位降区厚度很薄，因而相对于常规辉光放电而言，阳极区的电场强度比较高。

A Monte Carlo model was used to simulate the spatial and energy distribution of the emission electrons from the micro hollow cathode discharge, based on these results, spatial distribution of the electron in the micro hollow cathode sustained glow discharge was also modeled.

利用蒙特卡洛方法模拟了微空心阴极放电出射电子的空间以及能量分布，并在此基础上模拟了微空心阴极放电自持的辉光放电中电子的空间分布。

It can operate at high pressure by reducing the dimension of the cathode to sub millimeter level. MHCD can be used as plasma cathode for high-pressure glow discharge to solve the instability of glow-to-arc transition.

将MHCD作为大体积辉光放电的外部电子源，可以解决高气压下大体积辉光放电不稳定的问题。

Based on the hollow cathode effect and low-pressure glow discharge empirical formulas, the hollow cathode, the accelerating gap, and the working gas pressure region are given.

基于空心阴极效应和低压辉光放电原理与经验，确定了空心阴极、加速间隙、工作气压范围等。

Different from cold cathode glow discharge, the avalanche process is not only determined by electron collision induced ionization, the deionization process also plays a decisive role due to the high electron and ion density under high gas pressure and large discharge current.

与常规辉光放电不同的是，阴极区中的巨浪增益不仅仅是由电子碰撞电离过程决定的，而且由于高压强、大电流条件下电子和离子的浓度高，电子空间复合过程也起着决定性作用。

Some Micro-hollow Cathode Sustained glow discharge experiments also have been done. The results show the linear development of the MCS glow discharge current with increasing MHCD current at high-pressure.

MHCD作大体积辉光放电的电子源存在着一个自持电流阈值，当MHCD电流大于这一阈值时，放电电流随着MHCD电流增加而线性地增长。

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。