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- Analysis of Exhaust Gas from a Car Using Selected Ion Flow Tube Mass Spectrometry 选择离子流动管质谱对汽车尾气成分的分析
- The Selected Ion Flow Tube Mass Spectrometry and Its Applications to Trace Gas Analysis 选择离子流动管质谱及其在痕量气体分析中的应用
- selected ion flow tube 选择性离子流量管
- In early prototypes the voltage needed to switch ion flow on and off was 75 volts, far too high to incorporate into modern integrated circuits. 在初期原型产品中，用以开关离子流的电压为75伏特，远高于目前积体电路所能承受的限度。
- To derive the Bernoulli equation, we apply the work-energy theory to the fluid in a section of a flow tube. 我们应用功能原理来导出流体在一段流管流动的伯努利方程。
- The Selective Ion Monitoring Mode of GC/MS was used. [方法 ]采用毛细管柱气相色谱 质谱联用仪 (GC/MS)的选择离子监测方式 (SIM)对样品检测。
- The reasons of cratering and influencing factors thereof are introduced.The theories in terms of "impact of reverse ion flow"and "induced electric field"are proposed. 介绍了“缩孔”产生的原因及其影响因素,提出“反离子流冲击”理论和“感生电场”理论。
- Kit consists of: Seat, Stem assembly, Spring, Two piston o-rings, Flow tube O-rings and Cover O-ring. 组件包括：阀座，阀杆总成，弹簧，两个活塞O形环，流量管O形环和阀盖O形环。
- METHODS: Lomerizine was determined by LC-ESI-MS selection ion measurement. 方法LC-ESI-MS选择性离子监测方法测定人血浆中盐酸洛美利嗪浓度。
- The Dall flow tube is an empirical design with an extremely high pressure head recovery. Dall流量管是具有特别高的压头补偿的实验装置。
- The Selective Ion Monitoring Mode of GC/MS was used to test the samples. [方法]采用毛管柱气相色谱-质谱联用仪(GC/MS)的选择离子监测方式(SIM)对样品进行检测。
- Wilson K H,Waldir P M,Jose G F R,et al.Multifunctional Entry Method and Device for Downward Flow Tube Reactor[P].US Pat.:20030194 360A1,2003-10-16. 杨艳辉;邓任生;魏飞;等.;气固并流下行床反应器出入口结构研究现状与展望[J]
- MS:Use electrospray ionization ( ESI) , and selected ion mass spectral ( m/z) 384 ( loratadine) , 479 ( internal standard) to quantify. The plasma samples were extracted with solid phase extraction. 质谱条件为电喷雾电离源(ESI),选择性监测质荷比(m/z)为384(氯雷他定)、479(内标)带正电荷的分子离子峰。
- In explosion hazardous areas, use of high-voltage Corona and ion flow static, it should be under the dangerous zone level, media levels and categories, choose to use static blastproof type. 在有爆炸不乱好的不天区，拔取矮压电晕充电式和离子不源动电打消器时，务必根据不乱好不天区等第、介质级别和组别，拔取不攻爆型动电打消器。
- After ultrosonic - extracting and isolating by column chromatograph, the samples were measured by GC/MS with selected ion monitoring mode.Some PAHs were identified and quantitated in samples. 贻贝、牡蛎样品经超声提取、层析分离后,由GC巳/MS测定,采用选择性离子检测模式,定性、定量检出了几种多环芳烃。
- Kit consists of: Diaphragm, Two discs, Two molded disc assemblies, Two seat O-rings, RV O-ring, Two piston O-rings, RV stem O-ring, Flow tube O-rings and Cover O-ring. 组件包括:隔膜,两个阀瓣,两个模制阀瓣总成,两个阀座O形环,RV O形环,两个活塞O形环,RV阀杆O形环,流量管O形环和阀盖O形环。
- The craft contains three Energetic Neutral Atom (ENA) imagers that indirectly measure ion flows. 其中三架中性原子摄影机可间接测量离子流。
- When the eel locates its prey, it opens a series of cellular gates through which the ions flow. 当电鳗锁定猎物，它体内的很多细胞通道就打开了，离子源源不断地流出。
- The critical length of the powder flow tube for the equal dliameter nozzle is determined by Mach Number check method and factors affecting the clogging of powder flow discussed by calculation of the numerical values. 采用马赫数检验法确定等直径管中气粉流的临界管长,并通过数值计算结果讨论各种因素对气粉流壅塞现象的影响。
- selected ion mass spectrometry (SIM) 选择离子质谱
