本文是关于化学离子化质谱的综述。
A review of chemical ionization mass spectrometry (CIMS) is presented in this paper.
向基于质谱的临床研究转变还将加速。
The shift to mass spectrometry-based clinical research continues to rapidly accelerate.
当前的ICT系统并不支持过程质谱的适用性。
通过对正负离子质谱的分析,可以确定岩样的化学组成。
With analysis of the spectra, the compositions of the samples can be determined.
本文概要综述能量分辨质谱的原理、影响因素及其应用。
The principle, the influential factors and the utilities of energy resolution mass spectrometry have been reviewed in this paper.
这些新化合物同样得到了核磁波谱和高分辨质谱的表征。
The new compounds were also characterized by NMR spectra and HRMS.
随着显微激光热解色谱质谱的成功研制,它的作用正在不断得到发挥。
With the successful development of the Laser Micropyrolysis Gas Chromastography Mass Spectrometry System(LMPY-GCMS), its function is being opened up.
质谱的分析表明,碳纳米管上污染物降解的主要活性物质为氢气或H…
MS show that hydrogen or H·is the main active substance in the degradation of pollutants on the carbon nanotubes.
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.
本文简述了场解吸质谱的特点,以及在热不稳定化合物和难挥发化合物的分析中的应用。
The features of Field Desorption Mass Spectra and its application in the analysis of thermolabile substances and nonvolatile compounds are described.
科学家们只得一直等到叫做气相色谱或是质谱的技术的出现,才得以识别出痕量的甲氧基吡嗪。
Scientists had to wait until the development of a technique called gas chromatography/mass spectrometry to identify traces of methoxypyrazines.
如果给定对应某未知物的一组候选分子结构,该程序可通过预测质谱的比较来评价这些候选结构。
Given a set of candidate structures for an unknown compound, this program can be used to evaluate each candidate based on a comparison of the predicted and observed spectra.
这种电子流对轻质量部分质谱的零输出基线起干扰作用,致使这部分谱峰的峰高不能很好地测量和记录。
Such current disturbs the zero out-put basic line of the light mass number region, so that it's very difficult to measure and record the height of spectrum peaks of the light mass number region.
利用台式飞行时间质谱的中分辨本领,研究了牡荆素的电子轰击质谱的裂解规律,对裂解途径进行了完全的指认。
Using moderate resolution capabilities of a desk time-of-flight (TOF) instrument, the fragmentation regularity from electron impact mass spectra of vitexin was studied.
洗脱物经预柱脱盐和浓缩后进入毛细管反相柱进行反相分离,分离后的肽段直接进入质谱仪离子源进行一级和二级质谱的分析。
Following desalinisation the eluted peptides were further purified by reversed-phase capillary column(150 mm 75 m) and online analysed by the coupled tandem mass spectrometry.
在线液相色谱-质谱联用法是一种高通量的方法,用于分析生物流体中的小分子。
On-line liquid chromatography-mass spectrometry is a high throughput method for the analysis of small molecules in biofluids.
研制出了测定河豚中烯丙孕素和氯地孕酮的超高效液相色谱-串联质谱检测方法。
A ultra performance liquid chromatography-tandem mass spectrometry(UPLC-MS/MS) method was developed for determination of altrenogest and chlormadinone in swellfish.
在七天的实验里,每隔一定时间就要更换一次纤维,然后用一种叫做气相色谱质谱联用仪的装置提取以供分析。
The fibres were replaced at regular intervals over the course of seven days and taken away for analysis by a device called a gas chromatograph-mass spectrometer.
然后他们从细菌中提取出dna,利用高解析二次离子质谱技术分析了其中的化学组成,发现DNA中也含有砷。
They also separated out the DNA from the bacteria and analyzed its composition using a technique called high-resolution secondary ion mass spectrometry; the isolated DNA contained arsenic.
评述了质谱学在核科学技术中的应用概况。
Applications of mass spectrometry in nuclear science and technology are reviewed.
采用电喷雾离子阱(ESI - MS)质谱技术对水飞蓟宾的结构和裂解途径进行研究。
The structure and fragmentation pathway of silybin were elucidated by electron spray ionization mass spectrometry (ESI-MS).
本文叙述了各种开管方法、专用装置以及气体的引出和向质谱计管的输送。
The methods of various openning-tube, specific opener, exhausting gases, and it is delivery to mass-spectrometer are briefly described in this paper.
以上所有化合物的结构通过核磁共振、质谱、红外光谱等确证。
The structures of the above compounds were assigned by nuclear magnetic resonance, mass spectrometry, and infrared spectroscopy etc.
应用气相色谱质谱和红外光谱表征了它们的分子结构。
Gas phase chromatography, mass spectrum and infrared spectrum are used to characterize the novel silanes structures.
带自动进样器的气相色谱-质谱联用仪(GC-MS),分流/不分流进样,可编程的柱箱和可以进行离子选择监测。
Gas Chromatograph-Mass Spectrometer (GC-MS) with an auto-sampler, split/splitless inlet, programmable GC oven, and capable of selective ion monitoring.
分压力质谱计的校准是一个没有完全解决的难题。
The calibration of mass spectrometers for partial pressure remains a problem which has not been solved completely yet.
用硅胶薄层色谱、荧光光谱及快原子轰击质谱证实反应物的完全性及其结构。
Their thin-layer chromatogram, fluorescent spectra and fast atom bombardment mass spectra were examined to verify the completeness of the reaction and also to assign the structures.
用硅胶薄层色谱、荧光光谱及快原子轰击质谱证实反应物的完全性及其结构。
Their thin-layer chromatogram, fluorescent spectra and fast atom bombardment mass spectra were examined to verify the completeness of the reaction and also to assign the structures.
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