Research on constituents of Radix Aconiti and its processing by electrospray ionization trap mass spectrometry Determination of free solanesol in tobacco by liquid chromatography and atmospheric pressure chemical ionization ion trap mass spectrometry 传统中药川乌炮制前后的离子阱质谱研究液相色谱-大气压化学电离离子阱质谱法测定烟草中的游离茄尼醇
The general rate model considering axial dispersion, film mass transfer and effective diffusion in particle was adopted to study the chromatography process of taxol and cephalmonnine. 采用考虑了轴向扩散、液膜传质阻力和固定相孔内扩散传质阻力的普遍化速率模型研究紫杉醇和三尖杉磷碱的色谱过程;
Study on relative molecular mass distribution of protein and peptide in donkey-hide glue by gel exclusion chromatography 凝胶排阻色谱法研究阿胶中蛋白质及多肽相对分子质量分布规律
Technical straight-chain sodium alkylbenzenesulfonates-determination of mean relative molecular mass by gas-liquid chromatography 工业直链烷基苯磺酸钠平均相对分子量的测定-气液色谱法
New Methods in Mass Spectra Data Mining and Hyphenated Chromatography Research with Its Applications in Herbal Medicine Study on Ion-Imprinted Solid-phase Extraction On-line Atomic Spectrometry Analysis and Novel Spectrometry Method 质谱数据发掘与联用色谱分析方法及其在中药分析中的应用研究离子印迹固相萃取在线原子光谱分析及光谱分析新方法研究
Mass Spectral Data-mining for Alcohol and Ether in Mass Database and Application of Matching Algorithms in the Analysis of Complex Chinese Herbal Medicine; New Methods in Mass Spectra Data Mining and Hyphenated Chromatography Research with Its Applications in Herbal Medicine 质谱数据库中醇醚类的物质数据挖掘及质谱检索算法在中药中的应用质谱数据发掘与联用色谱分析方法及其在中药分析中的应用研究
Analysis of benzo [ a] pyrene in mainstream cigarette smoke by gas chromatography/ mass spectrometry with gel permeation chromatography GPC-气相色谱质谱法测定卷烟主流烟气中的苯并[a]芘
Determination of Mean Relative Molecular Mass of Straight-chain Sodium Alkylbenzene Sulfonates by Gas Chromatography with Micro-wave Assisted Desulfonation 微波脱磺-气相色谱法测定直链烷基苯磺酸钠的平均相对分子质量
Application of Electrospray Mass Spectrometry Coupling with High Performance Liquid Chromatography on Pharmaceutic Analysis Study on Combination Principle of Compound Prescription of Traditional Chinese Medicine Using Electrospray Ionization Mass Spectrometric Technique 电喷雾质谱及其联用技术在药物分析中的应用利用电喷雾质谱技术研究复方中药的配伍原则
The characterization for the relative molecular mass and the relative molecular mass distribution of modified polypropylene blend was studied by gel permeation chromatography. 叙述了用凝胶渗透色谱(GPC)对多元共混方法制得的聚丙烯改性绝缘材料的相对分子质量及相对分子质量分布的表征研究,并就其对材料的加工应用性能的影响进行了初步探讨。
Mass transfer kinetics of EPA and DHA in supercritical fluid chromatography EPA和DHA在超临界流体色谱柱中的传质动力学
The results of mass chromatography showed that phenolic compounds of influents were completely removed after two-phase UASB treatment. 质谱结果证实,进水中的酚类化合物经两级处理后,被有效去除。
Assessment of dry weight loss; ( 3) Determination of molecular mass of polymers by gel permeation chromatography; 测定干燥失重:(3)凝胶渗透色谱法测定聚合物的平均相对分子量;
Polyamide acid was prepared by means of polycondensation, taking PMDA and ODA as raw materials, and the effect of reaction time on the change of the weight-average molar mass of polyamide acid was measured by gel permeation chromatography ( GPC). 以均苯四甲酸二酐、4,4′二胺基二苯醚为原料,通过缩聚反应制备了聚酰胺酸,采用凝胶渗透色谱(GPC)考察了反应时间对产物重均摩尔质量的影响;
Gas Mass chromatography ( G-MS) analysis results indicated that during solubilizing process, microorganism secretion product has destroyed the coal macromolecular structure. 气-质联用色谱分析结果表明,微生物溶煤过程中,微生物分泌的产物打碎了煤的大分子结构;
A commercial chiral liquid crystal mixture is satisfactorily analyzed by using field desorption/ mass spectrometry and gas chromatography/ mass spectrometry. 场解吸质谱和气相色谱/质谱联用应用于酯类手性液晶混合物的分析,结果十分满意。
Adsorption Equilibrium Constants and Mass Transfer Parameters of Oxygen and Nitrogen on 13X Molecular Sieves from Chromatography 色谱法测定氧和氮在13X分子筛上的吸附平衡常数及传质系数
Mass fraction of borneol in 4 traditional Chinese medicines measured by gas chromatography 气相色谱法测定4种中成药中2-莰醇的质量分数
Determination the molecular mass distribution of high viscosity PET chip with gel permeation chromatography ( GPC) method 凝胶渗透色谱法测定高黏度PET切片的分子质量分布
Low relative molecular mass type chiral stationary phases for high performance liquid chromatography in chiral resolution 高效液相色谱中的低相对分子质量型手性固定相
Determination of Mean Relative Molecular Mass of Sodium Alkylbenzenesulfonates by High Performance Liquid Chromatography 高效液相色谱法直接测定烷基苯磺酸钠的平均相对分子质量
Combustion of PMMA and monomer MMA at different temperature were studied using mass spectrometry and gas chromatography with a high heating rate and the main combustion mechanism of PMMA was speculated. 用色谱和质谱研究了快速升温条件下PMMA以及单体MMA在空气和氩气中的不同温度下的热反应,推测了PMMA在空气中燃烧的主要历程。
Analysis of Aromatic Hydrocarbon in Naphtha Determination of Aromatic Hydrocarbons in Petroleum by Mass Chromatography 石脑油中芳香烃含量的测定石油中芳烃的MC定量分析法
Determination of Relative Molecular Mass and Composition for Polygonatum sibiricum Polysaccharide by High Performance Liquid Chromatography 高效液相色谱法对黄精多糖相对分子质量及组成的测定
First, I analysed the trace, poisonous organic contamination, both qualitatively and quantitatively, by mass spectrometry ( GC/ MS) and gas chromatography, using an electron capture detector ( GC/ μ-ECD). 首先,利用化学仪器(GC-MS和GC-μECD)分析方法,根据不同的色谱条件对有机有毒微污染物进行了定性和定量分析,确定了这些物质的种类和浓度。
Mass spectrometry, nuclear magnetic resonance and gas chromatography are used in the experiments to characterize and quantitative analysis the products, the results show that the products are all β-addition product. 实验采用质谱、核磁共振和气相色谱对产物进行表征和定量分析,结果表明,产物皆为β-加成产物。
Gas chromatography mass spectrometry ( GC-MS), which combines the high-performance separation capability of gas chromatography and abundant structural information from mass spectrometer, has been widely used to analyze the volatile or semi-volatile compounds. 气相色谱质谱法是一种常用的仪器分析方法,它结合气相色谱高效分离能力和质谱可提供丰富的结构信息的优点,是分析挥发性或半挥发性小分子化合物的重要分析方法。
In this paper, the control from the chemical reaction and gas chromatography-mass spectrometry ( GC-MS) and high performance liquid chromatography/ diode array detector ( HPLC/ DAD) combined with two aspects of the 4-amino-azobenzene and detection methods. 该文从化学反应条件的控制和气相色谱-质谱(GC-MS)和高效液相色谱/二极管阵列检测器(HPLC/DAD)联用两方面,探讨了4–氨基偶氮苯的检测方法。