质谱仪
- mass spectrometer;mass spectrograph;mass analyzer;velocitron
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最后一步是,当我把样本经过高压液相色谱质谱仪,分开混和物质,并且分析其中的化学物质,于是我能很准确得知道在鸡肉中有多少致癌物。
The final stages , when I ran the samples through a high-pressure liquid chromatography mass spectrometer , which separated the compounds and analyzed the chemicals and told me exactly how much carcinogens I had in my chicken .
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介绍了自行研制的13C质谱仪自动进样器的工作原理、结构和性能。
The working principle , configuration and performance of an autosampler of 13 C mass spectrometer used for expiration gas analysis are described .
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~(13)C质谱仪自动进样器的研制
Development of an autosampler for ~ ( 13 ) C mass spectrometer
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基于DSP的小型质谱仪主控系统研究
Research on Master Controlling System of Miniature Mass Spectrometer Based on DSP
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在加速器质谱仪上测量~(14)C的虚拟双参数多道分析器系统设计
Design of Virtual Double-parameter multichannel Analyzer to Measure ~ ( 14 ) C on the Accelerator Mass Spectrometer
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辉光放电质谱仪ElementGD的应用
Application of Newest Glow Discharge Mass Spectrometer-Element GD
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新一代高精度高灵敏度的表面热电离质谱仪(TritonTI)的Nd同位素测定
High Precision Nd Isotope Measurement by Triton TI Mass Spectrometry
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MAT同位素质谱仪数字电路分析
Analysis of the Digit Circuits of MAT Isotopic Mass Spectrometers
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GC-MS质谱仪测控系统测试软件平台研制
The Development of Measurement and Control System Testing Software Platform of GC-MS
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采用气相色谱-质谱仪(GC-MS)测定糖代谢率。
Glucose turnover was decided by gas chromatograph mass spectrometer ( GC-MS ) .
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考察了进样液pH值以及质谱仪毛细管温度、锥孔电压对药物与蛋白质相互作用的影响,以及根据温度变化对复合物热力学常数ΔH、ΔS的影响。
The influences of pH values of injection solution , capillary temperatures and cone voltages on molecular weights of the above complexes have been studied .
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利用电感耦合等离子体质谱仪对冰芯样品中超痕量Pb进行了直接测定。
A new method for determination of trace Pb in ice core samples by ICP MS was developed in this laboratory .
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本文采用偏硼酸锂熔样,使用Elan5000型ICP质谱仪,对土壤样品15种痕量稀土元素的测定进行了研究。
This paper described the study of 15 trace rare earth elements of soil samples by ICP-MS.
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用四极质谱仪对等离子体状况进行了系统的分析,发现B2H6完全被电离而N2只是部分被电离。
B_2H_6 was found to be ionized totally , while N_2 was only partially ionized .
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Q-TofUltimaGlobal质谱仪的简介及应用
Q-Tof ultima global mass spectrometry and its use in proteomics
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利用霍耳测试仪、X射线双晶衍射仪、二次离子质谱仪,对隧道结的重掺杂和互扩散特性进行了研究。
The characteristic of heavy doping level of tunnel junction and diffusion each other is investigated by means of Hall technique , X ray diffraction technique and SIMS .
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他们用四极质谱仪测得作为炉-口距分布函数的(Na(14)Cl(13))~+集团的产额。
They obtained the yield of ( Na14Cl13 ) + clusters as a function of oven-nozzle distance with the quadrupole mass spectrometer .
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采用四极质谱仪测量了试验参数对高压脉冲增强射频磁控溅射PTFE靶等离子体气氛的影响规律。
Quadrupole mass spectrometer was used to analyze the plasma environment of RF magnetron sputtering PTFE target with pulsed bias .
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参照美国环保总局(USEPA)标准方法,应用高分辨率气相色谱-高分辨率质谱仪对广州市大气颗粒物中的二恶英进行分析和检测。
The levels of particle-bound polychlorinated dibenzo-p-dioxins and dibenzofurans ( PCDD / Fs ) in Guangzhou atmosphere were determined by HRGC-HRMS , and this analyses method followed the US EPA standard .
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利用分子束和四极质谱仪实验研究了Fe(CO)5分子在XeCl准分子激光作用之下的光子电离质谱。
Multiphoton ionization mass spectra of Fe ( CO ) _5 induced by XeCl excimer laser were studied with a molecular beam and a quadrupole mass spectrometer .
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用电喷雾质谱仪测定PLA2同源物分子量。
The relative molecular mass of the homologue was measured by electrospray ionization mass spectrum .
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采用了二次离子质谱仪(SIMS)和俄歇电子谱仪(AES)进行表面分析。
The experiments were performed by means of Secondary Ion Mass Spectroscopy ( SIMS ) and Auger Electron Spectroscopy ( AES ) .
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在150t转炉上用质谱仪进行钢水连续定碳
Continuous Determination of Bath Carbon on a 150 t B OF by Mass Spectrometer
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采用VGAxiom型多接收双聚焦等离子质谱仪(MC-ICPMS)测定Nd、Pb、U同位素比值,应用指数公式对测定的结果进行质量歧视校正。
Isotopic ratios of Nd , U and Pb were measured using VG Axiom multi-collector double-focusing inductively coupled plasma mass spectrometry ( MC-ICPMS ) .
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方法本实验用电感藕荷等离子质谱仪(ICP-MS)定量测定金属离子浓度。
Methods The quantity of elements in the cell culture medium was measured by inductively coupled plasma mass spectrometer ( ICP-MS ) .
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飞行时间质谱仪(time-of-flightmassspectrometer,TOF-MS)在分子团簇的激光电离/解离动力学研究中广泛使用。
Time-of-flight ( TOF ) mass spectrometer is widely used in many research areas including the study of dynamics of laser ionization / dissociation molecular clusters .
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动态型二次离子质谱仪(SIMS)是进行微粒同位素分析最适用的测量仪器之一。
The Secondary Ion Mass Spectrometer ( SIMS ), especially dynamic SIMS , is the most suitable instrument for particle isotopic analysis .
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粗提物经丙酮分级沉淀及高压液相色谱分离,得到较纯的LP,经质谱仪测定分子量为803.6D。
An antibacterial peptide LP was purified by acetone precipitation and reversed phase column chromatography . The molecular weight of LP is 803.6 D determined by mass spectrometry .
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杂质Ga及载流子浓度在Si02-Si界面附近的动态分布分别采用二次离子质谱仪(SIMS)和扩展电阻(SRP)进行测量。
Impurity Ga and the carrier concentration distribution are measured by SIMS and spreading resistance profile ( SRP ) spectroscopy individually .
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运用二次离子质谱仪测量了样品中Mn的深度分布,发现退火温度对样品中Mn的分布有很大影响。
The distributions of Mn in annealed samples were measured by Secondary Ion Mass Spectrometry ( SIMS ), it is showed that the temperature of annealing has great affection on the distribution of Mn in sample .