四极杆

用电喷雾四极杆飞行时间质谱研究头孢类药物的质谱裂解规律

Fragmentation Regularities of Cephalosporin Drugs by Means of Electrospray Ionization Quadrupole Time-of-flight Mass Spectrometry

这对于下一步的数字化四极杆滤质仪器开发具有重大的意义。

It is significant to further the research of digital quadrupole mass filter including the development of the device .

IMS台站惰性气体传递样品的四极杆质谱分析

Analysis of IMS Station Transport Noble Gas Sample by Quadrupole Mass Spectrometer

方法：用纳升电喷雾四极杆飞行时间串联质谱的denovo测序方法进行测序。

Methods and Results : Peptides were sequenced by de novo sequencing method of nano_ESI_MS / MS.

四极杆和电子倍增器之间的偏转板能有效地使离子束偏转，并使噪声最低，最小可检分压强低于5×10-~（11）Pa。

A sophisticated deflector between quadrupole rod and electron multiplier can efficiently deflect ion beam and reduce the noise to minimum level .

QTRAP系统本质上是最好的三重四极杆，同时具有附加的和独特的能力。

The QTRAP systems are essentially the best triple quadrupoles available but with additional , unique capabilities .

飞行时间质谱仪射频四极杆驱动器的研制

Design of a Radio Frequency Quadrupole Driver for Time-of-Flight Mass Spectrometer

电喷雾-串联四极杆-飞行时间质谱法分析寡肽的一级结构

Studies on Primary Structures of Oligopeptides by Electrospray Ionization-Quadrupole Time-of-flight Mass Spectrometry

超高效液相色谱-四极杆-飞行时间质谱对混合光合作用糖脂的分析

Ultra Performance Liquid Chromatography-Quadrupole-Time of Flight Mass Spectrometric Analysis of Photosynthetic Glycolipids Mixture

准确分析微量惰性气体的轻便四极杆质谱系统

A Bench Top Quadrupole Mass Spectrometer System for Accurate Analysis of Trace Noble Gas

液相色谱-串联四极杆质谱法测定牛奶中128种农药残留

Simultaneous determination of 128 pesticide residues in milk by liquid chromatography-tandem electrospray mass spectrometry

液相色谱单四极杆质谱联用仪在2008年北京奥运会兴奋剂检测中的应用

Application of LC / MS-Quadrupole Technique in Doping Control at 2008 Beijing Olympic Games

液相色谱-串联三重四极杆质谱测定蜂蜜中的氯霉素残留

Liquid Chromatography / Triple Quadrupole Tandem Mass Spectrometric Determination of Chloramphenicol Residue in Honey

高效液相色谱-串联四极杆质谱联用测定水果和蔬菜中赤霉素残留量

Determination of Gibberellin Residues in Fruits and Vegetables by Liquid Chromatograpy-Tandem Quadrupole Mass Spectrometry

这种技术显著地提高了质量准确度，使单级四极杆质谱能够鉴定未知化合物。

This technique dramatically improves mass accuracy and enables single-quad instruments to identify unknown compounds .

四极杆飞行时间串联质谱；

Quadrupole-time of flight mass spectrometry ;

四极杆GC/MS测定石油馏分烃类组成的研究及其分析软件的开发

Research of group analysis of petroleum fractions by quadrupole gc / MS and its software development

电喷雾电离-四极杆飞行时间质谱法研究三种β2-受体激动剂的质谱裂解特征

Electrospray Ionization-quadrupole Time of Flight Mass Spectrometry for Fragmentation Behavior Studies of Three β _2 Adrenergic Agonists

串联四极杆质谱法测定减肥类药品及保健品中非法掺入盐酸芬氟拉明的研究

Detection of Fenfluramine Hydrochloride Illegally Mixed into Slimming Traditional Chinese Medicines and Health Products by Quadrupole Mass Spectrometry

高效液相色谱-电喷雾三级四极杆质谱测定苹果、山楂、番茄制品中棒曲霉素的研究

High Performance Liquid Chromatography Tandem Mass Spectrometry Method for Determination of Patulin in Apple , Hawthorn and Tomato Products

离子阱检测器的原理不同于四极杆和磁质谱仪。

The principle of ion Trap Detector ( ITD ) is different from that of quadrupole and magnetic mass spectrometers .

超高效液相色谱-串联四极杆质谱联用测定面粉中呋喃西林代谢产物氨基脲的残留量

Determination of residues of semicarbazide , one of nitrofurazone metabolites , in flour by ultra performance liquid chromatography-tandem mass spectrometry

亲水液相色谱三重四极杆质谱联用法快速检测尿液和血浆中河豚毒素

Rapid Determination of Tetrodotoxin in Human Urine and Plasma Using Hydrophilic Interaction Liquid Chromatography Coupled with Triple Quadrupole Mass Spectrometry

这种新型的校正软件提高了安捷伦单级四极杆气质联用仪（GC/MSD）的质量准确度，从而可以鉴定未知化合物。

This novel calibration increases the mass accuracy of Agilent 's single quadrupole GC / MSD sufficiently to identify unknown compounds .

κ-卡拉胶寡糖的反相离子对-超高效液相色谱-四极杆-飞行时间质谱研究高效液相-四极杆飞行时间串联质谱分析黄蜀葵花中黄酮醇类化合物

Analysis of Oligo - κ - carrageenan by Reversed Phase Ion-pair Ultra-Performance Liquid Chromatography Coupled with Electrospray Ionization-Time of Flight-Mass Spectrometry

高效液相-四极杆飞行时间串联质谱分析黄蜀葵花中黄酮醇类化合物

Analysis of Flavonols Compounds in Flos Abelmoschus Manihot . by High Performance Liquid Chromatography-Electrospray Ionization / Quadrupole-Time of Flight-Mass / Mass Spectrometry

建立了动物源产品中氯霉素、甲砜霉素、氟苯尼考残留量的高效液相色谱-电喷雾电离三级四极杆质谱（LC-ESI-MS/MS）的方法。

A method for the determination of chloramphenicol , thiamphenicol and florfenicol residues in original animal food by HPLC-ESI-MS / MS was developed .

并对四极杆污染后离子工作点的变化进行分析计算，由此得出污染对离子注传输性能的影响。

Calculating the change of ion operating point after quadrupole contamination , thus obtaining the effect of contamination on transmission of ion beam .

质谱仪器的种类繁多，譬如四极杆质谱、离子阱质谱、飞行时间质谱等。

There are many types of mass spectrograph , such as quadrupole mass spectrograph , ion trap mass spectrograph , time-of-flight mass spectrograph , etc.

报道了实验室研制的电喷雾离子源，具有射频四极杆接口的高分辨飞行时间质谱（ESI-QQQ-TOFMS）仪器。

An high resolution ESI QQQ TOFMS coupled with three sect quadrupoles is reported . The home made instrument in the laboratory has a number of features .