萃取

The methods of mechanical compression, chemical extraction, soxhlet extraction and supercritical CO2 extraction were taken to extract the oil in perilla seed. With oil yielding rate of perilla seed after extraction as investigation index, the suitable extraction method for oil in perilla seed was screened.

方法］采用机械压榨法、化学萃取法、索氏提取法和超临界CO2萃取法提取紫苏子油，以紫苏子萃取后的出油率为考察指标，筛选适宜的紫苏子油的提取方法。

"Fantasy cardamom" series of products, the use of modern biotechnology in the low-temperature fluid extraction technology with propolis, perilla oil, turmeric oil, chamomile, spearmint, grape oil, sage, rose, ylang ylang, Cnidium, borneol, licentiousness chinensis, musk and other natural precious herbs 50 finish made of refined extraction.

&天香豆蔻&系列产品，利用现代生物工程在低温临界萃取技术用蜂胶、紫苏油、莪术油、洋甘菊、绿薄荷、葡萄油、鼠尾草、玫瑰、依兰、蛇床子、冰片、淫羊草、麝香等五十余味纯天然名贵草本植物精练萃取而成。

Many test parameters proposed in these methods have widely accepted in the literature for sample pretreatment, tem-perature, enzyme dose, pH, and reaction time. This study used sodium arsenate (Na2HAsO4E7H2O) and NIST 2710 soil as the standards to investigate the effect of mixing intensity, liquid to solid ratio, extraction time, and extract pretreatment methods for the determination of bioavailability.

文献中对於体外试验操作参数与程序，如样品前处理、温度、酵素添加量、胃肠相pH值与反应时间等参数已渐趋一致，本研究针对尚未深入探讨之重要参数进行试验，以砷酸钠(Na2HAsO4.7H2O)与标准土让(NIST 2710 soil)，探讨蠕动强度、液固比、小肠相萃取时间以及萃取液前处理方式对生物有效性之影响。

Extraction in crustaceans, salmon, shrimp, phosphorus, red algae astaxanthin, and removal of reactive oxygen species inhibit the capacity of the antioxidant power is 10 times more carotene, Q10 150 times, 550 times the vitamin can promote cell regeneration, slow down premature skin aging occur, and add the green tea extract can prevent the skin caused by ultraviolet radiation caused by aging, protecting cells to reduce the damage of UV on cell DNA, is effective against free radicals and prevent skin aging.

效用：萃取於甲壳类、鲑鱼、燐虾、红藻的虾红素，具有抑制及清除活性氧的能力，其抗氧化力是胡萝卜素的10倍、Q10的150倍，维他命的550倍，能促进细胞再生，延缓肌肤老化过早发生，并添加绿茶萃取能防止因紫外线造成所造成的皮肤老化，保护细胞减少紫外线对细胞DNA的伤害，有效对抗自由基，防止肌肤老化。

Ingredient: Deep sea cleanser gene, natural willow extraction, bee gel extraction, corn mint and herbs extraction.

成 分：海洋深层洁肤因子、天然柳树皮萃取液、蜂胶萃取液、清爽薄荷和草本植物精华成分。

A new method of extracting and separating rutin in an aqueous two-phase system formed from water-soluble ionic liquid BF4 (1-butyl-3-methylimidazoliumtetrafluoroborate) and phase-forming salt NaH2PO4 at room temperature was studied.

建立了室温离子液体四氟硼酸1-丁基－3-甲基咪唑(BF4)和NaH2PO4组成的双水相萃取体系并用于对芦丁的萃取分离研究。

Discussions about them show that optical activity of solute had no evident effect on extraction distribution coefficients.

所选溶剂的萃取过程有着三个方面的共性；对于不同种类的溶剂，萃取过程还存在其特殊的规律。

In an acetate buffer of pH 6.0,and in the presence of CTMAB,a stable complex,having the mole ratio of 1 to 3,was formed between cobalt ion and nitroso R salt,which was concentrated on C18 solid phase extraction column,achieving a concentration multiplication of 100 times.

研究了用亚硝基R盐离子对固相萃取光度法测定钴，在pH 6.0的HOAc-NH4OAc缓冲介质中，溴化十六烷基三甲基铵存在下，亚硝基R盐与钴反应生成3∶1稳定络合物，该络合物可用C18固相萃取小柱富集，富集倍数达100倍，小柱上富集的络合物用乙醇洗脱后用光度法测定，钴的质量浓度在0.05~5.0 mg.L-1内符合比耳定律。

In this paper, the ammonium pyrrolidinyldithiocarboxylate- methyl isobutyl ketone chelated-extract system was used. APDC chelated with Pb2＋ in solution, and then extracted into organic phase with MIBK. The cyclic voltammetric behavior of Pb-APDC complex at the liquid/liquid interfaces has been studied with classic three-electrode.

本文利用吡咯烷二硫代氨基甲酸铵作为螯合剂，甲基异丁酮作为萃取剂，将水相中的Pb2+萃取到有机相中，利用经典的三电极系统研究该有机相在液/液界面的伏安特性。

The result makes clear: SDS/ isooctane return gum bundle the extractive rate when systematic extraction soja is higher.

结果表明：SDS/异辛烷反胶束体系萃取大豆时的萃取率较高。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。