To study technics flow of extracting effective ingredients of Allium Mongolicum Regel by solvent extraction methods by orthogonal experiments design.
用正交试验设计研究了溶剂萃取法提取沙葱有效成分的工艺流程。
Conventional organic sample preparation methods, such as liquid-liquid extraction and solid phase extraction, are time and solvent consuming, and often involve several complicated procedures.
传统的有机物样品分析前处理方法主要有液-液萃取、固相萃取等方法，这些方法具有耗时长、操作繁琐、且需要大量有机溶剂等缺点。
The extracted methods of lycopene mainly include: organic solvent extraction, enzymatic reaction extraction and supercritical CO2 extraction.
番茄红素的提取方法主要包括：有机溶剂提取法、酶反应法、超临界CO2萃取法等。
The methods of preparing high purity iron include solvent extraction, ion exchange, electrolytic refining, zone melting, and so on.
本文介绍了溶剂萃取、离子交换、电解精炼和区域熔炼等冶金提纯方法在高纯铁制备过程中的应用。
This paper details in the principle and effect of several methods such as the solvent extraction.
本文简要介绍了溶剂萃取法等几种分析方法的原理和效果。
Methods Silica gel superfine process was conducted by combining solvent extraction and separation with macroporous absorbent resin.
方法首先用溶剂萃取结合大孔吸附树脂分离，然后用硅胶柱精制提取。
The use of three methods for extraction of peony seeds Mechanical crushing extraction method, Organic solvent extraction method, Supercritical CO_2 extraction method.
利用三种方法对牡丹籽进行萃取：机械压榨法、有机溶剂萃取法、超临界CO_2萃取法提取牡丹籽油。
Methods: Ethanol as solvent, using ultrasonic extraction method of total flavonoids in propolis extracted using ultraviolet-visible spectrophotometry of total flavonoids were determined.
方法：以乙醇为溶剂，采用超声提取的方法对蜂胶中的总黄酮进行提取，利用紫外-可见分光光度法对总黄酮的含量进行测定。
Methods of the removal of naphthenic acid are chemical extraction, solvent extraction absorption, and so on.
脱除环烷酸的方法一般可有化学萃取、溶剂萃取、吸收等。
The extraction methods are water extraction, organic solvent extraction and supercritical fluid extraction.
水蒸气蒸馏法、有机溶剂萃取法和超临界流体萃取法。
Microwave assisted extraction methods have shown many advantages: simplicity, speed, low consumption of solvent , and possibility of using water as extraction solvent.
微波萃取方法具有方便、快速、试剂消耗低、回收率高和可用水作萃取溶剂的优点。
Methods The extraction of anthraquinone from rhubarb was performed by liquid-liquid continuous biphasic extraction and this method was compared with 3 general solvent methods.
方法采用自制装置双相水解连续萃取法提取蒽醌衍生物，并和常用的3种溶剂法对比。
METHODS By combinaton of complexing dissolution, solvent extraction and photometric measurement, the amount of salicylic acid was first obtained and then converted to the content of copper salicylate.
方法通过络合溶解、溶剂萃取、光度法测量的联用，测定水杨酸的量，再换算成水杨酸铜的含量。
Some typical methods are enumerated such as solvent extraction, microwave and supercritical CO2 fluid extraction. furthermore, the perspective of its utilization is briefly introduced.
列举了溶剂萃取法、微波法和超临界CO2流体萃取等典型的提取精制方法，并简要介绍了辣椒碱的应用前景。
METHODS Indicated by the content of sennoside A, the conditions of residue solvent extraction and resin purification were determined by single factor trial.
方法番泻苷A为指标，以单因素考察确定药渣溶剂提取与树脂精制条件。
Methods: Solvent extraction was used.
方法：溶剂萃取热力学平衡法。
Methods The extraction process was investigated by solvent extraction and ethanol precipitation, with extractive yield and chlorogenic acid as the indexes.
方法以绿原酸含量和提取物得率为考察指标，通过对水提和水提醇沉两种方法进行比较。
Methods: Volatile oil was separated by solvent extraction and analysed by gas chromatography coupled with electron impact ionization-mass spectrometry (GC-MS).
方法：采用溶剂浸渍方法提取冬凌草中的挥发性成分，用GC -MS方法对冬凌草挥发油的化学成分进行分析。
Methods: to isolate the alkaloids, the solvent-extraction together with the column, chromatography and thin-layer chromatography methods were used.
方法：采用了溶媒分离法结合柱层析法、薄层层析法进行成分分离。
The methods of press and solvent extraction were used to extract oil from soy sauce residue and their oil yield results were compared.
采用压榨法和浸出法从酱油渣中提取油脂，比较其提油效果。
Three new methods of preparing samples were reviewed, including solid phase microextraction (SPME), extraction with supercritical CO2 fluid and solvent assisted flavor evaporation (SAFE).
综述了三种新的样品制备技术，固相微萃取(SPME)、超临界二氧化碳萃取和溶剂辅助的香料蒸馏技术(SAFE)。
METHODS:To isolate the flavonoides and sitosterol derivants, the solvent extraction together with the column, chromatography and TLC methods were used.
方法：采用溶剂分离法结合柱色谱法进行成分分离。
Methods. Solvent-extraction process was carried out on extracting the eugenol of the leaves. the content of the eugenol was studied by GC.
方法：利用溶剂提取的方法对木樨科丁香叶中的丁香酚进行提取，采用气相色谱对丁香酚进行含量测定。
Methods The solvent extraction and crystallization methods were used.
方法采用萃取-结晶法。
Methods The solvent extraction and crystallization methods were used.
方法采用萃取-结晶法。
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