Gas ionization

A measure method of the time respond function for gas ionization chamber

气体电离室时间响应函数的一种测量方法

Theoretical study of producing plasma of ozone by gas ionization discharge

气体电离放电产生臭氧等离子体的理论研究

The relative standard system for radon measurement by internal gas ionization chamber

内充气电离室相对测氡标准装置

Dynamic simulations on initial process of the gas ionization by cathode explosive emission electrons

阴极爆炸发射电子电离气体原初过程的动力学模拟

At last , from the gas ionization potential , several methods to reduce the firing voltage are discussed .

最后，从气体的电离电位出发，讨论降低PDP着火电压的几种途径。

Parent ~ + ion was produced by splitting argon with anode gas ionization source .

其中，母系离子[M+H]+由正极气体电离源分裂氩气产生。

Above this density , microwave field will damp rapidly , so the gas ionization is mainly on the surface .

超过此密度后，微波场在表面快速衰减，气体电离主要在表面进行。

The traditional detecting method is based on the strong gas ionization current , which will destroy the nano structure of the electrode .

传统的击穿电压和击穿电流的气体检测方法建立在气体剧烈放电基础上，会对电极的纳米结构造成严重破坏。

In quick scanning radiography system , the time respond speed of array gas ionization chamber effects the image clarity directly .

在快速辐射扫描成像系统中，阵列气体电离室时间响应速度的快慢将直接影响图像的清晰度。

Ceramic - to-Metal Seal in Gas Ionization Detector

气体电离探测器中的陶瓷-金属封接

A gas ionization chamber for indentification of isobars in AMS

一台用于AMS的鉴别同量异位素的气体电离室

However , the research on the CNTs gas ionization sensors is just at the beginning stage and there are some basic questions need to be studied .

但目前对碳纳米管电离式气体传感器的研究还处于探索阶段，有些基础问题尚需研究。

A transverse field gas ionization chamber for particle identification at the Radioactive Ion Beam Line in Lanzhou ( RIBLL ) is described .

描述了一种将用于兰州放射性束流线较重离子鉴别的多阳极横向场电离室。

The TOF , multi-anode gas ionization chamber , Bragg and X-ray detectors in accelerator mass spectrometry are described .

描述了中国原子能科学研究院AMS测量中使用的飞行时间探测器、多阳极电离室、Bragg探测器、入射离子X射线探测器以及充气飞行时间探测器。

Building the mathematic model of seed vaporization and gas ionization is the key to realize the numerical modeling of pulverized-coal combustion process in MHD combustor .

建立关于种子蒸发电离良好的数学模型是实现MHD燃烧室燃烧电离过程数值模拟的关键之一。

The recent progress in gas ionization detectors , solid and gas scintillator counters semiconductor detectors and quantum microcalorimeter abroad are described in this paper .

文中介绍了气体电离探测器，固体、气体闪烁计数器，半导体探测器以及量子微量热器等方面的国外近年进展简况。

The stability of the welding arc depends mainly on the voltage and the gas ionization when current zero-crossing as well as the electron emission ability of the electrode .

其电弧稳定与否，主要取决于电流过零瞬间的电弧空间电离度、电极发射电子能力及再引燃电压的上升速度。

There are many unsolved problems in conventional DBD gas ionization technique , resulting in lower gas ionizability , which cannot be used in non-equilibrium plasma chemistry .

由于传统的DBD在气体电离方法方面存在许多问题，致使大气压条件下放电空间内气体的电离度很低，无法满足非平衡等离子体化学工程的需要。

In the case of welding with a small current , the temperature and the degree of gas ionization can even be increased by adding a current pulse just before the polarity exchange .

小电流焊接时，在电流极性切换之前叠加电流脉冲，以提高电弧空间的温度和电离度；

The voltage and gas ionization with current zero-crossing and the electron emission ability of the electrode are the principal factors of re-ignition of alternating-current welding arc .

交流电弧再引燃主要影响因素是电流换向瞬间的电压、电弧空间的电离度和电极发射电子的能力。

Active agents had an important impact on both physical process of the arc electrode gas ionization and electron emission . Active substances reduced the Ionization voltage , and stabled the welding arc .

活性剂对电弧气体电离和电极发射电子两个物理过程都产生重要影响，活性物质的加入使得电离电压降低，电弧稳定。

In this work , dark discharge current of gas ionization sensor and the character of the pulse current after breakdown were studied other than the decrease of breakdown voltage and breakdown current value , which were main methods for previous research .

本论文避开传统的依靠击穿电压下降和击穿电流值来检测气体的方法，重点研究了场致电离传感器的暗电流和气体击穿后脉冲电流特性。

The theory of SEEA is based on the insulator 's surface emitted secondary electrons when bombarded by electron , includes the process of electron-simulated desorption ( ESD ), the process of desorption gas ionization and the process of the ion influencing the flashover .

SEEA理论以绝缘子表面在电子轰击下发射二次电子为基础，包含了电子诱发脱附（ESD），和脱附气体离子化并对闪络过程产生影响等过程，对表面闪络现象进行了解释。

Studies on Argon Microwave Plasma Torch as Gas Chromatographic Ionization Detector

氩微波等离子体炬作为气相色谱离子化检测器的研究

Gas Filled Ionization Chamber With Longitudinal Electric Field for Experimental Measurement of Heavy Ion Nuclear Reaction

用于重离子核反应实验测量的纵向电场气体电离室

High gas pressurized ionization chamber ;

高气压电离室；

A new gauge described in this paper is based on the electrostatic saddle field confinement which is capable of producing long electron paths and consequently efficient gas phase ionization .

本文提出两种结构的具有环形阳极的马鞍场电子振荡微电离规（以下简称鞍场规），它其于可以产生电子路径，因而产生有效的气相电离的静电马鞍场约束的基础上。

A method for separation and determination of sulfur compounds in catalytic diesel oil by gas chromatography-flame ionization detector-sulfur chemiluminescence detector ( GC-FID-SCD ) was established .

采用气相色谱-氢火焰离子化检测器-硫化学发光检测器（GC-FID-SCD）联用技术，建立了催化柴油中各种硫化物类型分布的分析方法。

Standard redox potentials , gas phase ionization / affinity potentials and charge density distributions of some reagents were calculated by DFT method . As sensitizers , NQS is more active than NQ .

运用DFT方法进行量子化学计算研究，得到了NQ、NQS和部分芳香胺的标准氧化还原电势、气相电离能、电子亲和势和苯胺上N原子的电荷密度分布。

Objective : After samples being pretreated by solid-phase extraction ( SPE ) technique , two analytical methods of gas chromatography-flame ionization detection ( GC-FID ) and gas chromatography-mass spectrometry ( GC-MS ) for determination of nicotine and its metabolite cotinine in human 's urine were proposed .

目的：采用固相萃取进行样品前处理，建立同时测定人尿样品中尼古丁及其代谢产物可的宁的火焰离子化检测-气相色谱法和气相色谱-质谱联用法。