The method involved solid-phase extraction of insulin from plasma and pre-column derivatization of insulin with fluorescamine.
该方法涉及从血浆中固相提取胰岛素，以及用荧光胺对胰岛素进行柱前衍生。
One is preparation of sample hydrolysates, and the other is the derivatization.
一个是样品水解物的准备，另外一个是衍生方法。
Objective: Aloe polysaccharide was identified and quantified by better method of derivatization.
前言：目的：探索较佳的衍生化方法，对芦荟多糖进行定性定量分析。
This can make heavy atom derivatization in the presence of reducing agents, difficult and frustrating.
这就使得用重金属原子作同晶置换法遇到了麻烦。
Secondly, a robotic sample preparation instrument has been optimized for the amino acid derivatization.
其次，自动化的氨基酸样品制备仪器已经得到优化。
Biogenic amines during the fermentation of natto was detected by HPLC, using precolumn derivatization with DNS-Cl.
研究通过丹磺酰氯柱前衍生，用HPLC对纳豆发酵过程中的生物胺进行检测。
In in-column derivatization reaction chromatography, the chosen analyte was the free formaldehyde in building materials.
在柱内衍生反应色谱法中，选择的分析对象为建筑材料中的甲醛测定。
Separation of 1, 1 '-binaphthalene-2, 2' -diol Optical Isomers by Derivatization High Performance Liquid Chromatography.
衍生化高效液相色谱法拆分1,1'-联萘-2,2 ' -二酚光学异构体。
Derivatization with fluorescent molecules is an important way of increasing the detection sensitivity of chromatography.
荧光衍生化方法是提高色谱检测灵敏度的重要途径。
A derivatization NMR method for characterization of organic sulfur compounds in petroleum and its residuum was described.
提出用衍生物- NMR表征石油中的有机硫结构的方法。
Meanwhile, the influence of derivatization condition on it was tested, such as the derivatization reagent, time and temperature.
同时考察了衍生化条件对该试验的影响，考察内容包括衍生化试剂、衍生化时间、衍生化温度等内容。
A method for the enantioseparation of 2, 5-hexanediol by capillary gas chromatography with precolumn derivatization was proposed.
建立柱前衍生化-毛细管气相色谱法分离2,5 -己二醇对映体的方法。
The concentration of peroxides in atmosphere in Beijing and Guangzho u was measured by using the HPLC post-column derivatization system.
利用高效液相色谱测定了北京和广州地区大气过氧化物浓度 ，并分析了相关因素对过氧化物浓度变化的影响。
Degradation dynamics and final residues of hymexazol in Polygonum capitatum Buch were estimated by GC-FPD with pre-column derivatization.
采用柱前衍生气相色谱法测定广枯灵中恶霉灵在中药材头花蓼上的残留消解动态和最终残留量。
Finally, the chemical compositions of the fine product after derivatization were examined by the gas chromatography-mass spectrometric analysis.
将精多糖衍生化后运用气相色谱-质谱法对其化学成分进行分析。
In recent years, many researchers have used chemical derivatization in HPLC in attempt to improve detection sensitivity and separation efficiency.
近年来许多研究人员将化学衍生法应用于高效液相色谱中，试图提高检测灵敏度和改善分离效果。
The fragmentation pathway of raddeanin A was studied by electrospray ionization mass spectrometry(ESI-MS/MS) together with chemical derivatization.
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 recent applications of fluorescent derivatization-LC methods for the analysis of carbohydrates, as well as their pros and cons are comprehensively reviewed.
对近期糖类物质分离分析中的液相色谱荧光检测方法做了系统综述，对其优缺点作了说明。
Derivatization-headspace-solid-phase microextraction(DHS-SPME) integrate HS-SPME with derivatization in order to extend into the analysis of non-volatile samples.
衍生化顶空固相微萃取是将样品衍生化和顶空固相微萃取结合，使顶空固相微萃取技术扩展到难挥发性样品分析中。
OBJECTIVE: to establish a pre column chiral derivatization reversed phase high performance liquid chromatographic method for the separation of ketoprofen enantiomers.
目的：建立柱前手性衍生化反相高效液相色谱法分离酮洛芬对映体的方法。
A gas chromatographic method without derivatization was established for residue analysis of 10 organonitrogen pesticides in soil, water, cereals, fruit and vegetable.
提出了用气相色谱直接测定水、土、粮食水果和蔬菜中10种有机氮农药多残留的分析方法。
The in vitro biotransformation of 6 methoxy butyl phthalide (MBP) by phenobarbital induced rat liver microsomes was investigated by GC/MS and GC/MS with TMS derivatization.
报道了用GC／MS方法及衍生化技术研究6甲氧基正丁苯酞（MBP）在大鼠肝微粒体中的代谢转化结果。
The sugar content in the hydrolysate of cocoanut shell is determined by treating samples containing sugar with derivatization extraction method and capillary gas chromatography.
采用衍生化—萃取法处理含糖样品，毛细管气相色谱测定糖的方法，测定了椰子壳水解液中糖的含量。
The mechanism of yellow phosphorus induced oxidation of phenol in water has been tested with the products analyzed by GC and GC/MS after derivatization to study the reaction pathway.
运用衍生化气相色谱法和GC／MS对黄磷诱发氧化水中苯酚的降解产物进行了定性、定量分析，并初步探讨了反应机理。
A rapid reverse high performance liquid chromatography method based on the iso - propyl alcohol as an agent of pre-derivatization is developed for the determination of 2-acetoxyisobutyryl bromide.
以异丙醇为柱前衍生试剂，建立了反相高效液相色谱法间接测定2-乙酰氧基异丁酰溴的新方法。
The surface chemistry of a high modulus and a low modulus carbon fiber, both before and after nitric acid oxidation, were studied by X-ray photoelectron spectroscopy (XPS) and chemical derivatization.
采用X光电子能谱(XPS)及化学衍生法探讨了硝酸氧化前后的碳纤维表面化学的变化。
The surface chemistry of a high modulus and a low modulus carbon fiber, both before and after nitric acid oxidation, were studied by X-ray photoelectron spectroscopy (XPS) and chemical derivatization.
采用X光电子能谱(XPS)及化学衍生法探讨了硝酸氧化前后的碳纤维表面化学的变化。
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