As the gas pressure in discharge chamber varies within the operation range the percentages of metal and halogen ions in total beam current vary with it. 那就是,放电室内的气压在工作范围内变化时,离子束中金属离子和卤素离子的含量也都随之改变。
Because of the high electron attachment coefficient of water and oxygen, and the dissociation attachment reaction between water and electrons, the increase of the oxygen and water concentration in the background gas will decrease the electrons amount in the plasma region, and reduce the discharge current. 由于氧气和水的电子结合系数都很高,水与电子还会发生离解结合反应,因此背景气体氧气浓度和水汽含量增大会减少等离子体区域的电子数量,降低放电电流强度。
The countermeasures for automobiles 'tail gas discharge treating in the future are raised in accordance with current situation on the prevention and treatment for automobiles pollution in Shanghai. 根据上海市机动车污染和治理现状,提出了未来机动车尾气污染防治工作对策。
The voltage is a function of gas pressure when the discharge current is kept constant. 在保持气体放电电流不变的情况下,气体放电电压是气体压力的函数。
The radiative life times for some energy levels of Al+ in the Ar gas discharge have been measured for specific temperature, gas density and discharge current. 文章介绍了在一定温度、一定气体密度和一定放电流条件下,Ar气放电时,Ar+某些能级辐射谱线宽度的测量。
A lot of noise phenomena have been observed within the range of 0-300 khz by changing the tube structure, gas pressure and discharge current of the laser. The relation between noise and moving striation is also discussed. 通过改变激光器的结构、管内总气压和放电电流,在0~300千赫范围内可以观察到许多噪声现象。
A formula is derived for calculating mean electron energy in gas discharge that occurs in color alternating current plasma display panel ( AC PDP), according to the local field approximation. 由局域近似假设,推导出了彩色交流等离子体显示板(ACPDP)气体放电中平均电子能量的计算公式。
As electrode, LaB_6 has the advantages of long lifetime, short breakdown time delay, great current, etc., so it is suitable to be applied in repetitive pulsed gas discharge components with large current such as the switch tube. LaB6作为气体放电电极具有寿命长、延迟时间短、放电电流大等优点,可用于重复强流脉冲气体放电的高压高速开关器件。
A new gas detecting method based on the dark discharge current and the character of the pulse current after breakdown was proposed in this paper. 因此,本论文提出暗电流和气体击穿后脉冲电流检测气体的新方法。
A new gas detecting method based on dark discharge current was put out and the response mechanism was deeply discussed that the relation between the dark discharge current and the concentration of detected gas was theoretically established and studied. 提出了通过场致电离传感器的暗电流检测气体的新方法,深入研究出了该方法对气体的敏感响应机理,从理论上分析并预测了暗电流与测试气体浓度的关系。
Solve the gas discharge lamp in a mercury pollution problem has now been about a current and future generations of health problems, and have urgent needs. 解决气体放电灯中汞污染问题现在已经一项关乎当今以及子孙后代健康的一项中的问题,并具有紧迫的需求。