萃取的

A novel method for the determination of 5 pyrethroid pesticide residues in tobacco leaf and tea samples was established.

应用搅拌棒吸附萃取技术分别萃取烟叶和茶叶中的5种拟除虫菊酯，并利用热脱附系统将萃取到的物质进行热脱附，然后通过气相色谱-质谱联用仪进行分析测定。

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。

ConclusionMicrowave extraction has the highest yield in the shortest time. But volatile oil in Heracleum hemsleyanum Diels extracted by supercritical CO2 extraction or steam distillation has better quality.

结论微波萃取挥发油得率最高，时间最短；超临界CO2和水蒸馏法萃取挥发油的质量最好，因此使用超临界CO2是萃取牛尾独活挥发油的最佳途径。

ConclusionMicrowave extraction has the highest yield in the shortest time. But volatile oil in Heracleum hemsleyanum Diels extracted by supercritical CO2 extraction or steam distillation has better quality. Thus the supercritical CO2 extraction is the best way.

结论微波萃取挥发油得率最高，时间最短；超临界CO2和水蒸馏法萃取挥发油的质量最好，因此使用超临界CO2是萃取牛尾独活挥发油的最佳途径。

Combining chemical complexation and physics extraction of monobasic and polybasic carboxylic acid, the universal liquid-liquid equilibrium model with clear physical meaning was successfully induced.

详细研究了萃取剂浓度、稀释剂浓度、水相pH值、温度和羧酸初始浓度等因素对络合萃取平衡的影响以及萃取剂的再生条件。

A novel poly(phthalazine ether sulfone ketone, PPESK) stir bar was prepared. The method for analyzing trace level nitroaromatic explosives in aqueous samples by stir bar sorptive extraction coupled to GC through thermal desorption was developed.

制备了以聚醚砜酮为萃取相的新型固态萃取搅拌棒，建立了一种固态萃取搅拌棒/热解吸器直接热解吸/气相色谱联用分析水样品中痕量爆炸物的新方法。

The quality of walnut oil with SFE-CO2 was superior to the other two kinds of oils from methods of squeezing and Soxhlet extractor.

采用超临界CO2流体萃取技术提取核桃仁中的核桃油，讨论了萃取压力、温度、时间等因素对萃取率的影响。

Results suggested that Terminalia catappa leaves have no effect on cell viability of SCC-4 cells. The modified Boyden chamber assays revealed that a treatment of Terminalia catappa leaves significantly inhibited the cell motility/invasion capacities of SCC-4 cells.

在本实验中，利用 50%酒精萃取的榄仁树的叶之萃取物处理 SCC-4 细胞株，并利用 MTT assays 分析方法显示榄仁树的叶萃取物并不会影响 SCC-4 细胞的存活率，而当癌细胞转移时常常会伴随著细胞外基质的分解及细胞移动能力的改变，接著我们利用 modified Boyden chamber assay 发现榄仁树的叶萃取物具有抑制 SCC-4 细胞的移动与侵袭能力。

The result indicated that, the optimum parameters of organic solvent extraction pepper oil are acetone to organic solvent, chili powder fineness of 40 meshes, solid-liquid ratio of 1∶6, the extraction time is 40 min.

结果表明，制备辣椒油树脂的最佳工艺条件为：丙酮作有机溶剂，辣椒粉末细度为40目，固液比为1∶6，浸提时间40min；辣椒油树脂提纯辣椒红色素的超临界萃取条件为：萃取釜温度35℃，萃取压力30MPa，时间2.0h。

The objective of this study was extracting Pine seed oil with supercritical CO〓 extraction technique developed, extracting process was studied deeply and systematically in this paper.

本文采用先进的超临界CO〓萃取技术萃取红松仁油，对萃取过程进行了深入全面的研究。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。