...摘 关键词：脱酸，液-液萃取，异丙醇，改性乌桕脂，响应曲面 [gap=1524]Key words：deacidification；liquid-liquid extraction；isopropyl alcohol；modified Chinese tallow oil；response surface ..
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目前水中有机污染物的前处理主要有以下几种方法:1、液液萃取法液液萃取(liquid-liquid extraction,LLE)是传统的有机物富集方法,它是基于溶质在两种互不相溶的溶剂中分配,从而实现分离和富集。
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目前水中有机污染物的前处理主要有以下几种方法:1、液液萃取法液液萃取(liquid-liquid extraction,LLE)是传统的有机物富集方法,它是基于溶质在两种互不相溶的溶剂中分配,从而实现分离和富集。
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2.2 常见样品前处理技术及特点 2.2.1 液液萃取法（Liquid-Liquid Extraction, LLE） 液液萃取法（LLE）是最经典的样品前处理方法，它 的操作装置比较简单，只需选择合适的萃取溶剂，即可...
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liquid-liquid extraction mixer 液
liquid liquid extraction plant 液
Liquid-liquid extraction apparatus 自动液液萃取仪
AutoSolv Liquid-Liquid Extraction System 快速液液萃取装置
liquid-liquid extraction plant 液萃取厂 ; 液
LLE - Liquid-liquid extraction 液液萃取
liquid-liquid extraction system 液 ; 液液萃取系统
A method was developed for the detection of chlorothalonil in source water and drinking water samples by liquid-liquid extraction with cyclohexane using gas chromatography electron capture detector(GC-ECD).
研究采用环己烷作溶剂,经液液萃取,气相色谱法-电子捕获器检测,建立了水源水、饮用水中百菌清的检测方法。
参考来源 - 气相色谱法测定水源水、饮用水中百菌清During the pretreatment procedure, the extraction of seven kinds of sexual hormones in cosmetics was carried out by liquid-liquid extraction.
样品前处理过程采用液-液萃取法。
参考来源 - 高效液相色谱法检测化妆品中性激素的研究In first chapter: An overview was presented on the on-line preconcentration technique, the solid phase extraction, precipitation and coprecipitation, liquid-liquid extraction, electrochemical preconcentration. Especially, the principles, equipment and the application of electrochemical preconcentration in AAS were described in detail.
第一章：综述了常用的在线分离富集技术：固相萃取、沉淀共沉淀、液—液萃取、电化学富集等，重点介绍了电化学富集技术的原理、特点及其在原子吸收光谱中的应用现状。
参考来源 - 电化学在线富集火焰原子吸收光谱法联用的研究Objective The aim was to establish a method for the determination of organchlorine pesticides in drinking water by Liquid-Liquid extraction(LLE),gas chromatography.
目的建立液液萃取? 气相色谱法定量分析水中有机氯的方法。
参考来源 - 液液萃取Liquid-liquid extraction method has been developed for extracting ketamine from urine sample.
二、研究液—液萃取法萃取尿样中的氯胺酮。
参考来源 - 吸毒人员尿样中氯胺酮的检验方法研究The liquid-liquid extraction system is estabilished and three processes of microextraction are successful observed. The diffusion-line concept is proved by experiments again, and Zn ions on-line micro-extraction is confimed to be diffusion controlled process.
通过引入锌-双硫腙-乙醇体系,得到了稳定的相界面,成功观察到了微流控液-液萃取系统中萃取的三个过程,进一步的证实了微流控液-液萃取体系中扩散线的存在,证明了芯片槽道中的接触式萃取反应过程属于传质控制类型。
参考来源 - PDMS芯片粘接性能及微萃取系统的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The samples were extracted by liquid-liquid extraction method.
以尼莫地平为内标，样品采用液-液萃取。
Learn how to "work up" your reaction using a separatory funnel to perform a liquid-liquid extraction.
用分液漏斗示范液-液萃取并学习如何用“完整的反应操作步骤”检查你的反应能否发生。
Membrane extraction process is a new separation technology which combines liquid-liquid extraction with membrane process.
膜萃取是膜过程与液液萃取过程相结合的一种新型分离技术。
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