本文介绍了电喷雾电离质谱并综述其在蛋白质化学研究中的应用。
The mechanism of electrospray ionization is introduced and its application in chemistry of protein is reviewed in this paper.
指出负离子解吸化学电离质谱对鉴别低碳醣的分子离子可以提供十分有用的信息。
It pointed out that the negative ion DCIMS can provide very useful information for characterizing molecular ion of monosaccharides.
在负离子模式下对纤维三糖和纤维四糖进行电喷雾电离质谱(ESI-MS)分析。
Cellotriose and cellotetraose were analyzed by electron pray ionization mass spectrometry(ESI-MS) with negative ion mode.
研究了NP型螯合树脂珠作为质谱样品载体,对铀同位素进行热电离质谱分析的方法。
NP-type chelate resin beads is used as a carrier of samples in the isotopic measurements of uranium by mass spectrometry.
以化学衍生结合电喷雾电离质谱(ESI-MS/MS)法研究银莲花素A的质谱裂解方式。
The fragmentation pathway of raddeanin A was studied by electrospray ionization mass spectrometry(ESI-MS/MS) together with chemical derivatization.
归纳表明,表面电离质谱和电子轰击电离质谱中分别有50个和77个质荷比处发生谱峰叠加。
The results show that there are 50 and 77 mass charse ratios where the overlap interference of spectrum peaks may occur respectively in surface ionization …
归纳表明,表面电离质谱和电子轰击电离质谱中分别有50个和77个质荷比处发生谱峰叠加。
The results show that there are 50 and 77 mass charse ratios where the overlap interference of spectrum peaks may…
并以镥原子共振电离为例,探讨了该方案用于激光共振电离质谱(LRIMS)同位素分析的可行性。
As a versatile example, the feasibility of this scheme applied to lutetium isotopic analysis by Laser Resonance ionization Spectrometry (LRIMS) was discussed.
本文简要介绍了用于激光共振电离质谱实验的低噪声脉冲放大器的设计思路、实现的要点及其测试结果。
This article briefly describes the thoughts, key points and test result of a low noise pulse amplifier used in Laser Isotope Mass Spectrometer.
概述了电喷雾电离质谱(esi - MS)、基质辅助激光解析电离质谱(MALDI - MS)的原理。
The principle of electrospray ionization-mass spectrometry (ESI-MS) and matrix assisted laser desorption ionization-mass spectrometry (MALDI-MS) is described.
建立了一套利用反相高效液相色谱和大气压化学电离质谱联用技术分析红豆杉提取物中微量紫杉烷类化合物的方法。
Analytical method was developed for the trace analysis of taxanes in crude extraction and identification of the antitumor agent paclitaxel.
我们的实验是利用飞行时间质谱仪在激光作用下研究苯甲醚的多光子电离质谱能够得到苯甲醚分子的解离通道及机理。
We study the dissociation channel and mechanism of anisole in the experiment using the time of flight mass spectrometer with the interaction of laser.
采用正相高效液相色谱-电喷雾电离质谱(NP-HPLC/ESIMS)法对聚酯类增塑剂产品中微量DINP进行分析。
The micro-level DINP in polyester plastics was studied by normal phase high performance liquid chromatography-electrospray ionization mass spectrometry (NP-HPLC/ESI MS).
通过两次吸附分离,然后采用低压电离,高分辨质谱直接进样技术对重馏份油中的含氮多环芳烃进行定性测定。
The qualitative analysis of N polyaromatics in heavy oil was made by a double adsorption separation followed by the application of low voltage ionization and high resolution MS direct sampling.
本文研究了适合于共振激光消融质谱的铜原子的二步三光子共振电离过程。
This paper discusses the process of resonant laser ablation (RLA), where the two step three photon resonant ionization of copper is considered as the best scheme.
研究了胆甾醇酯类和胆甾醇卤代物的电子轰击电离(EI)、场解吸电离(FD)、化学电离(CI)的质谱。
Mass spectra (MS) of cholesterol esters and halides were obtained by means of Electron Impact (EI), Field Desorption (FD) and Chemical Ionization (CI).
该成果对质谱中的热电离理论进行了较深入地讨论,建立了高精度质谱测定锂铟铈同位素的方法。
The theory of thermal ionization mass spectrometry has been deeply discussed and the procedures for high-precision measurement of isotopes of lithium, indium and cerium have been established.
本文利用探针取样法结合同步辐射真空紫外光电离和分子束质谱技术研究了常压下的乙烯扩散火焰。
An ethylene diffusion flame has been investigated at normal pressure using synchrotron vacuum ultraviolet (VUV) photoionization and molecular-beam mass spectrometry.
电喷雾质谱(ESI-MS)技术是一种软电离技术,其中主要是分子离子形成。
Electrospray ionization mass spectrometry(ESI- MS) is a soft ionization technique by which molecular ions are mainly formed.
针对三甲胺的电离解离质谱。
Second, aimed at the ionization and dissociation mass spectrum of trimethylamine.
研究了10种2,4-二氨基-6-取代磺酰胺喹唑啉类药物的电子电离及场解吸质谱。
The electron impact and field desorption mass spectra of 10 2,4-diamino-6-substituted quinazoline sulfonamides were investigated.
通过质谱测量各离子的光电离效率曲线,得到了该分子的垂直电离能及主要碎片离子的出现势。
04ev and appearance potentials of various fragment ions have been determined by measuring their photoionization efficiency curves.
通过质谱测量各离子的光电离效率曲线,得到了该分子的垂直电离能及主要碎片离子的出现势。
04ev and appearance potentials of various fragment ions have been determined by measuring their photoionization efficiency curves.
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