用同位素比质谱方法可在4或5天之内检测到阳性结果。
用气相色谱质谱和场解吸质谱方法研究聚碳酸酯的乙醇萃取物。
The oligomer structure in polycarbonate(PC)was studied by combination of GC-MS and FD-MS in the ethanol extract of PC.
建立测定婴儿配方奶粉中性激素苯甲酸雌二醇的超高效液相色谱-串联质谱方法。
To establish a method about uncertainty evaluation of the measurement of protein content in infant milk powder, the effect factors were find.
建立测定婴儿配方奶粉中性激素苯甲酸雌二醇的超高效液相色谱-串联质谱方法。
Research of sodium salt forming and free-acid nucleotides in the physical and chemical property in infant formula milk powder;
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.
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.
方法体外结核菌药敏试验和气相色谱-质谱联用技术（ GC-MS）。
METHOD In vitro susceptibility test on tuberculosis bacteria and GC-MS technique were used.
方法：采用液相-离子阱质谱联用法。
METHODS: The liquid chromatography-Ion trap mass spectrometry method was used.
方法采用液相色谱离子阱质谱联用法。
Methods The liquid chromatography-ion trap mass spectrometry method was used.
还对最新的四种分压力质谱计推荐校准方法及相应的校准装置做了描述。
The latest four recommended methods to calibrate mass spectrometers and the corresponding apparatuses are also described.
本文系统地介绍了凝汽器真空系统氦质谱检漏原理和方法。
This essay introduces the theory and method of helium mass-spectrum leak detection for vacuum system of condenser.
“贮箱漏率正压检测方法”是为适应航天贮箱结构复杂、漏率要求严格等特点而开发的一种氦质谱检漏方法。
Pressurized leak detection method for storage tank was developed for the characteristics of space storage tank with a complicated structure and strictly controlled leak rate.
方法采用液相色谱-质谱联用法。
Methods The liquid chromatography-mass spectrometry method was used.
建立了金属硫蛋白异构体及亚型异构体的色谱分离与质谱鉴别方法。
A method has been established for the separation and identification of metallothionein isoforms and sub-isoforms by liquid chromatography.
质谱最近已经成为研究蛋白质的最能提供信息的方法之一。
Mass spectrometry has recently become one of the most informative methods for studying proteins.
采用红外光谱、核磁共振氢谱、质谱等方法对1-(1 -环己烯)基二茂铁的结构进行鉴定，并介绍了一种较为方便的合成方法。
The structure of 1 - (1-cyclohexene) ferrocene is analyzed by IR, 'HNMR, MS and a method of synthesis is introduced in this paper.
质谱测定法：一种分析方法，利用电场和磁场通过质量来将气体离子分类，从而鉴定化学物质。
Mass spectrometry: Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields.
与其它常见手性测定方法相比，质谱动力学方法无需湿法化学处理和色谱分离步骤，操作简单、快速、灵敏，因而被广泛应用。
The kinetic method is a rapid, simple, sensitive technique with no wet-chemical and chromatographic steps needed, so it has been widely used in the field of chiral analysis.
由于直接检测分子的质量，质谱技术同其他方法相比更加准确。
Compared with other methods, mass spectrometry is more accurate because the quality of molecule is measured directly.
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.
质谱匹配概率方法不仅能提供纯样品的分析结果，而且也能区分混合物中的成分。
The probability based matching(PBM) search on mass spectral data not only provides pure samples results (with forward PBM search), but also separates compounds in a mixture (with reversed PBM search).
方法：采用液相色谱-串联四极杆质谱联用法。
Methods: The liquid chromatography-quadrupole mass spectrometry method was used.
方法：以气相色谱-质谱联用法进行比较研究。
Methods: To comparatively study the lipophilic compounds by GC-MS in pummelo peel.
在利用高效液相色谱方法研究的基础上，采用液相色谱-电喷雾质谱（LC-ESI/MS）方法对相同的藻毒素样品进行了进一步的定性研究。
Microcystins in the algal cells collected from the water bloom of the Guanting Reservoir were further investigated by LC-ESI/MS after they were studied by the method of HPLC.
建立了同时测定河豚鱼、鳗鱼和烤鳗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, eel and roasted eel.
应用气相色谱和色谱—质谱等分析方法，对鸡西盆地下白垩统煤系烃源岩的泥岩和煤岩生物标志物进行研究。
By the Gas chromatography and the Gas chromatography-mass spectrogram analysis, the biomarkers in the Lower Cretaceous mud rocks and coals of coal measures from Jixi Basin were studied.
利用高效液相色谱-二极管阵列检测器-质谱联用方法对洛伐他丁及其杂质成分进行分离分析和结构鉴定。
A high performance liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry method was developed for analysis and identification of impurities in lovastatin.
利用高效液相色谱-二极管阵列检测器-质谱联用方法对洛伐他丁及其杂质成分进行分离分析和结构鉴定。
A high performance liquid chromatography-diode array detection-electrospray ionization tandem mass spectrometry method was developed for analysis and identification of impurities in lovastatin.
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