萃取

In this paper,water-soluble ionic liquid BeS was used as extractant for sulfur compounds thiophene,2-methyl thiophene,benzothiophene,dibenzothiophene in simulated fuel and the feasible operation conditions were confirmed by extraction experiments.

选择水溶性的离子液体BeS作萃取剂，对模拟油品中的4种含硫有机物噻吩、2-甲基噻吩、苯并噻吩、二苯并噻吩进行了萃取，确定了适宜的萃取操作条件。

The first part of this research was to investigate anti-oxidant abilities of Boehmeria nivea leaf and root. Different extraction methods, drying conditions as well as far infrared were applied to measure their effects on anti-oxidant abilities of Boehmeria nivea leaf and root. Results showed that 95% ethanol extracts of fresh leaves and roots demonstrate the highest anti-oxidant components(total contents of phenol compounds and flavonoids)and scavenging abilities free radical scavengingABTS(2,2'-azinobis［3-ethylbenzothiazoline-6- sulfonic acid］and DPPH (α,α-diphenyl-β-picrylhydrazyl) free radical , followed by hot water and cold water extraction.

本研究第一部份拟针对苎麻叶与根探讨其抗氧化能力，并以不同萃取方法、不同乾燥处理方式及经远红外线照射对其抗氧化能力之影响，研究结果显示，在不同萃取方法中，新鲜苎麻叶与根皆以95%乙醇萃取物的抗氧化成分及抗氧化能力清除ABTS(2，2'-azinobis［3-ethylben-zothiazo-line-6

1-phenyl-3-methyl-4-caprylpyrazolone-5 was synthesized from 1-phenyl-3-methyl-pyrazolone-5 and caprylyl chloride, and some extraction parameters were investigated such as the acidity, the concentration of Sr, the time of the extraction and the thinners.

通过1-苯基-3-甲基-吡唑啉酮-5与辛酰氯合成萃取剂1-苯基-3-甲基-4-辛酰基吡唑啉酮-5，并对其萃取Sr的影响因素，如酸度、Sr浓度、萃取时间和稀释剂等进行研究。

And cinnamic aldehyde and cinnamic acid were extracted from cinnamon by MAE using water and ethanol as solvents and were analyzed by HPLC method.

利用聚焦式微波辅助萃取系统，结合HPLC分析，对肉桂中的肉桂醛和肉桂酸进行微波萃取分离和分析，并比较了水及乙醇等溶剂作为萃取溶剂的效果。

With the adoption of self-designed interpolation ultrasound-assisted supercritical fluid extraction device, supercritical fluid extraction and ultrasound-assisted supercritical fluid extraction were employed to extract coix lacryma-jobi seed oil from coix lacryma-jobi seeds.

采用自行设计的超声强化超临界CO2萃取装置研究了超临界流体萃取和超声强化超临界流体萃取薏苡仁油，并对各自的实验条件进行了优化，比较了在各自优化条件下的产率。

Methods: The single factor experiments, systematically study the extraction of temperature, pressure extraction, the extraction time, an attachment ratio (Cosolvent velocity: carbon dioxide flow) and samples of the particles Cynomorium rate of flavonoids extracted.

通过单因素实验，比较系统地研究了萃取温度、萃取压力、萃取时间、夹带比（夹带剂流速：二氧化碳流速）及样品颗粒度对锁阳黄酮提取率的影响。

In the air samples ,di(2-ethylhexy) phthalate,di-n-butyl phthalate and dioctyl phthalate were included,while diethyl phthalate,di(2-ethylhexy) phthalate,dipropyl phthalate,butyl benzyl phthalate,dioctyl phtha...

大气环境样品中邻苯二甲酸酯类化合物的预处理主要采用的是索氏提取、溶液提取和填充柱分离；水环境样品中采用的前处理技术较多，但大多数都是萃取技术；底质和生物试样目前用的较多是微波萃取、超声波萃取和索氏提取。

Five Taiwanese herbal medicines, including Solanum lyratum, Solanum verbascifolium, Duchesnea indica, Selaginella doederleinii and Peucedanum longshengense, were collected in Taiwan.

本研究选择台湾产之白英、山烟草、蛇莓、石上柏及南岭前胡等五种台湾草药进行 H2O 及 EtOH 萃取，可得到台湾草药之水萃取物及乙醇萃取物。

And substances with different electrotropism will be extracted by ATPS of different regions.

被萃取物质带正电时，易被阴离子双水相萃取；带负电时，易被阳离子双水相萃取。

Emphasis was put on the conditions for extraction, the qualities and the components of gingerin, the conditions for yeast autolysis, and the qualities of gingerin microcapsule.

结果表明：(1)超临界CO_2萃取姜油的适宜条件为：选取种植后约9个月采收的鲜姜，低温烘干、粉粹，姜粉的含水量约10％，粉粹度在50～60目范围，萃取温度45℃，压力28MPa，时间150min，CO_2流量2.5ml／min，分离温度40℃，压力7.0MPa，此条件下姜油的萃取率高达4.40％。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失