萃取的

Ultrasonic-aid solvent extraction of moringa seed oil was studied.

用超声波辅助溶剂萃取辣木籽油，以出油率为评价标准，优化萃取过程的最佳工艺条件。

In order to recover nonferrous metals in copper-nickel alloy scrap, a corresponding technology was adopted as follows crushing copper-nickel alloy scrap→leaching the sample with sulfuric acid→extracting copper ion with N902→extracting zinc ion with P204→getting nickelous sulfate solution.

摘 要：采用粉碎白铜合金废料→酸浸出→N902萃取分离出铜离子→P204萃取分离出锌离子→水相中剩余硫酸镍溶液工艺回收白铜合金废料中的有色金属。

In order to recover nonferrous metals in copper-nickel alloy scrap, a corresponding technology was adopted as follows crushing copper-nickel alloy scrap→leaching the sample with sulfuric acid→extracting copper ion with N902→extracting zinc ion with P204→getting nickelous sulfate solution.

采用粉碎白铜合金废料→酸浸出→N902萃取分离出铜离子→P204萃取分离出锌离子→水相中剩余硫酸镍溶液工艺回收白铜合金废料中的有色金属。

Objective:To establish a optimal technical conditions for of the extraction of volatile oil from Pericarpium Citri Reticulatae by supercritical CO_2 extraction.

目的：研究超临界CO2萃取陈皮挥发油的最佳萃取工艺条件。

As shown in previous studies Hibiscus sabdariffa L. is a nature plant containing a lot of pigments that was found to possess antioxidative activity.In this study, we evaluated the antioxidative activity of the Hibiscus anthocyanins by measuring their effects on LDL oxidation and anti-atherosclerotic abilities.

本实验以乾燥洛神花为材料，以调酸的甲醇溶剂萃取其花青素，发现甲醇萃取率为5％；纯度测定约有85~95％，另以HPLC分析后发现其花青素主要分为两类，推测分别为delphinidin系及cyanidin系，其花青素含量分别为3.7％及0.9％。

OBJECTIVE To increase lignan compounds and essential oil in extraction of Schisandra chinensis by supercritical CO2 extraction technology.

目的利用超临界二氧化碳萃取技术就提高五味子萃取物中有效成分木脂素和挥发油的含量开展研究。

A separatory funnel is used to perform a liquid-liquid extraction as demonstrated in Video 5 (Reaction Work-up I: Extraction, Washing and Drying) of the Digital Lab Techniques Manual.

在数位实验技巧指南中影片5是用一个分液漏斗来示范「液体-液体」的萃取(反应检查步骤I ：萃取，冲洗及乾燥)影片照片由Dr。

Water samples were extracted and purified and collected by solid-phase extraction LC-18 column. Soil samples were extracted by ethyl acetate/petroleum ether (2:1, by vol) and purified by sulphonation. Wheat sample was extracted by acetonitrile/water (4:1, by vol) and purified and collected by SPE- Florisil column.

水样直接用LC-18固相萃取小柱分离、净化和富集；采用乙酸乙酯／石油醚（体积比2：1）振荡提取，磺化法净化，测定土壤中氯氟吡氧乙酸残留量；以乙腈／水（体积比4：1）为提取剂，氟罗里硅土固相萃取小柱分离、净化，测定小麦样品中氯氟吡氧乙酸的残留量。

The compounds which contain sulfur in the residual oil were oxidized into sulphone and sulphoxide, which were extraced by using the DMF as the extraction agent.

渣油中的含硫化合物被氧化成砜和亚砜，用DMF为萃取剂萃取砜和亚砜。

The extraction of penicillin G with petroleum sulphoxide and di-isooctyl.

系统研究了亚砜类萃取剂石油亚砜和二异辛基亚砜萃取青霉素G的性能。

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％。