萃取

Though it is early that people started research in this area in our country, copper hydrometallurgy technology is not popularized for various reasons. The variety of extractant is limited and cant meet the demand for many kinds of different extracts.

由于种种原因，我国虽然在这方面研究起步较早，但是并没有得到大力的推广，萃取剂的品种有限，不能满足多种不同浸出液的萃取要求。

Antler velvet is one of the important tradition Chinese medicines with many active components and effects. From anti-aging aspect, that is preventing the oxidization of free radical, the yields of hypoxanthine and other anti-aging components extracted by supercritical CO2 were explored.

鹿茸是我国的传统中药，具有多种有效成份和药理药效，本文主要从抗衰老角度，即抗自由基氧化作用出发，考察了萃取条件对鹿茸中看抗衰老活性成分次黄嘌呤及其它有效成分的萃取收率的影响。

Therefore, it is necessary to explore the mechanism of interphase mass transfer in extraction.

但是，萃取过程和设备的设计放大难度较大，因此液液萃取存在着进一步研究的需要和潜力。

Determination on the bioactivity of 3 fractions （nexane, chloroform and water fraction）of the chloroform fractions from stem of Mirabilis jalapa L against 4th instar larvae of Pier/is rapae L.

取食第3天与第5天的拒食率分别为96.80%与99.67%；也测定了紫茉莉茎氯仿提取物各萃取物（正己烷、氟仿和水萃取物）对4龄菜粉蝶幼虫的生物活性。

The yield of essential oil by supercritical CO2 extraction was increased 55% than steam distillation. The oil is a light yellow liquid with high purity and strong flavoring of D. kaki fruit.

用超临界CO2萃取柿叶精油比水蒸气法蒸馏的柿叶精油得率提高了55%，萃取物纯度高，有浓郁的柿果香味，色淡黄。

Ingredient and effect: Contains the Alps snowfield glacier Cyanobacteria extract biological activity essence and the Chinese flowering quince extract whitening, Xiong Guogan and so on, the froth is rich, can eliminate the face dirt thoroughly and have the melanin excessive keratinization material, clean at the same time can remove the dissociation in the flesh surface wheat Ranim secretion, promotes the flesh absorption nutrient ability, causes the flesh obviously brightly to pass white.

成分与功效：蕴含阿尔卑斯雪原冰川蓝藻萃取生物活性精华及木瓜萃取美白，，熊果苷等，泡沫丰富，能彻底清除面部污垢及带有黑色素的过量角化物质，清洁的同时更能去除游离在肌肤表面的麦拉宁分泌物，促进肌肤吸收养分的能力，使肌肤更显明亮透白。

An empirical distribution ratio model for Am and lanthanides in HBTMPDTP extraction has been established and a method of process parameters calculation has been proposed.

建立了HBTMPDTP萃取分离Am与镧系元素的经验分配比模型以及萃取工艺参数的计算方法，计算值与实验值吻合较好。

The control group were fed basal diet, group 1 to 3 were fed basal diet supplemented with 90,100,110 mg/kg of Lespedeza Bicolor crude extract, group 4 to 6 were fed basal diet supplemented with 60,70,80 mg/kg of ethyl acetate extract, group 7 to 9 were fed basal diet supplemented with 60,70,80 mg/kg of n-butanol extract.

试验期42 d。对照组饲喂基础日粮，1～3 组饲喂基础日粮加二色胡枝子粗提物90、100、110 mg/kg；4～6 组饲喂基础日粮加二色胡枝子乙酸乙酯萃取物60、70、80 mg/kg；7～9 组饲喂基础日粮加二色胡枝子正丁醇萃取物60、70、80 mg/kg。

ObjectiveTo study the optimal technology of supercriticalCO2 fluid extraction(SFECO2) on Lycopodium japonicum Thunb.and validate the drug action of extract.

目的考察超临界CO2 流体萃取伸筋草有效成分的最佳工艺，进一步验证萃取物的药效。

And Spatholobus suberectus Dunn. provided protection activities against decapsulted KP-induced ER stress in U937 monocytes、B lymphoblast CA46 cells and PBMC of normal individuals. We also found a significantly increase of IL-1β、IL-6 and TNF-α proinflammatory cytokine by PBMC obtained from normal individual under decapsulated KP treatment.

我们筛选超过60种中药及生物活性成分中，并且发现小蘗碱、牛磺酸、鸡血藤萃取物和穿心莲萃取物能够保护去荚膜克雷伯氏肺炎杆菌诱发U937单核球细胞、CA46 B淋巴球细胞和健康者身上周边血液单核球细胞的内质网压力。

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