Study on Photoionization Produced by Discharge in Atmospheric Air by Numerical Method Determination of free solanesol in tobacco by liquid chromatography and atmospheric pressure chemical ionization ion trap mass spectrometry 大气压下流注放电光电离过程的数值仿真液相色谱-大气压化学电离离子阱质谱法测定烟草中的游离茄尼醇
FDTD computation of air ionization and breakdown caused by high power microwave FDTD方法分析高功率微波对大气的电离与击穿
Emanometer is composed of normal atmosphere air mesh grid pulse ionization chamber, signal magnify and screen unit and MCU system. 仪器主要包括常压空气网栅脉冲电离室,信号放大与甄别和单片机系统。
The method of trace detection of benzene, toluene, ethylbenzene, and xylene ( BTEX) was studied in ambient air using laser two-photon ionization. 利用激光双光子电离技术研究了在大气压力下探测痕量苯系物的方法。
Benzene, toluene and ethyl benzene in air were determined in-site by a portable gas chromatograph with microwave induced plasma ionization detector using Ar as carrier gas and support gas. 利用便携式微波等离子体离子化检测器(MIPID)气相色谱仪,以氩气为载气和工作气体,测定了空气中的苯、甲苯和乙苯。
Determination of NITRO-POLYCYCLIC aromatic hydrocarbons in urban air particulates by gas chromatography-negative ion chemical ionization mass spectrometry 毛细管气相色谱-负离子化学电离源质谱法测定空气颗粒物中的硝基多环芳烃
The principle of using an air ionization chamber to monitor doses in heavy ion radiation research is described. 论述了采用平行板电离室在重离子辐射生物研究中监测剂量的原理。
Through discussing physical mechanism of optical breakdown in air caused by high power laser and ionization, the formula of free electron density in laser focus regime was attained. 通过对高功率激光空气击穿的物理机理、电离机制的讨论,得到空气击穿过程中激光焦区内自由电子密度公式。
Dose measurement with air ionization chamber for heavy ion radiation research 用气体探测器监测重离子辐射生物研究的剂量
Determination of Benzene, Toluene and Ethyl Benzene in Air by Portable Gas Chromatograph with Microwave Induced Plasma Ionization Detector 用便携式MIPID气相色谱仪现场测定空气中的苯、甲苯和乙苯
Under high temperatures air will undergo such chemical reactions as dissociation and ionization, etc, which can lead to changes in constituent elements, resulting in a change in flow field status. 空气在高温环境下会发生离解、电离等化学反应使组分发生变化,从而引起流场状态的改变。
The Penning ionization between metastable helium atoms and air molecules facilitates the volume ionization and accelerates the propagation of the plasma jets. 氦亚稳态原子与空气之间的潘宁电离作用促进了电离反应,加快了射流的传播速度。