Recovery pertains to the extraction efficiency of an analytical method within the limits of variability.
回收率与分析方法可变限度的萃取效率有关。
Supercritical Fluid Extraction is a highly effective and selective sample separation technique and has been widely used in industrial production, environmental analysis and analytical chemistry.
超临界流体萃取是一种高效率选择性样品分离技术，已被广泛应用在工业生产、环境检测和分析化学等领域。
The trends of restrictor for analytical scale super critical fluid extraction equipment and design of a new restrictor were introduced.
本文介绍了分析规模超临界萃取装置限流器的发展趋势，并详细介绍了一种新型限流器的设计。
In recent years, domestic and foreign scholars have made researches on its extraction and separation methods, analytical methods, pharmacological effects, structural modification, and so on.
近年来，国内外学者对其提取分离方法、分析方法、药理作用、结构修饰等方面进行了研究。
The present analysis of pesticide residues was surveyed in two respects: the analytical techniques for the extraction and the determination of pesticide residues.
从样品提取技术及分析检测技术两方面介绍了目前国内外流行的农药残留分析检测技术。
Experimental design for analytical scale of supercritical fluid extraction in the analysis of real world samples was introduced.
介绍了分析规模超临界流体萃取技术萃取实际样品时的实验设计。
The applications of analytical chemistry in traditional Chinese medicine research involve the extraction, separation and characterization of the effective constituents in the medicines.
分析化学用于中药研究主要包括中药有效成分的提取、分离和表征。
The analytical expression of the density of trapping charges is proposed. The method and the results of parameters extraction are also presented.
给出了陷阱电荷密度的解析表达式和相关参数的提取方法和结果。
Analytical method was developed for the trace analysis of taxanes in crude extraction and identification of the antitumor agent paclitaxel.
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。
A low level multi sulfonylurea herbicides residue analytical method based on extraction enrichment combined with capillary electrophoresis was studied.
研究了提取浓缩和毛细管电泳相结合测定稻田土壤中低剂量多个磺酰脲类除草剂混合残留的分析方法。
Supercritical fluid extraction as a sample preparation tool for harmful chemical residue analysis in analytical toxicology are reviewed.
综述了超临界萃取作为样品制备技术在痕量药检分析中的应用。
The experimental conditions of SPME, such as extraction time, extraction temperature, desorption time, desorption solution, desorption mode and the analytical conditions of HPLC were optimized.
优化了萃取时间、萃取温度、解吸时间、解吸溶液、解吸模式等条件。
A new analytical method was investigated and proposed for determination of active magnesium oxide (free magnesium oxide) in the slag using ammonium nitrate - ethanol as the extraction reagent.
研究和提出了以硝酸铵-乙醇作为提取剂提取活性氧化镁(即游离氧化镁)的分析方法。
This paper deals with petrographic characteristics and coal qualities of Jiaoping coal by means of coal petrologic, instrumental analytical and organic solution extraction methods, and so on.
基于煤岩分析、仪器分析及有机溶剂抽提等方法，对焦坪煤进行了系统的煤岩、煤质研究。
This paper describes the analytical method using gas -chromatography for systems of temperature swing extraction with n-dodecane, 1, 3.5-trimethyl benzene and tri-ethylene glycol.
本文描述了变温革取法用三甘醇分离正十二烷和1,3,5—三甲苯时样品的气相色谱分析方法。
This paper describes the analytical method using gas -chromatography for systems of temperature swing extraction with n-dodecane, 1, 3.5-trimethyl benzene and tri-ethylene glycol.
本文描述了变温革取法用三甘醇分离正十二烷和1,3,5—三甲苯时样品的气相色谱分析方法。
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