提取剂

Methods: from prepation of crude drug as start, study the technology of extract and defat with L9 (3~4) orthogonal test. With EtOH extraction and water sed, alkali washing, EtOAC extraction as main methods of eliminate dopant. Finally with alky AlzO3 chromatographic column, rich and gain anticancer active site. The maximum response was achieved at a 40 min extracting time with 10 times volume 90% EtOH added to the sample for the first time and 30 min for the second time. Adding 10 times water will produce precipitation; Place the precipitation into 6 times petroleum benzin to de-fat at 60℃.

云南红豆杉中抗癌活性物制备工艺研究方法：利用正交设计试验L9(3~4)确定原料药提取工艺为：10倍量90％乙醇提取两次，第一次40分钟，第二次30分钟；醇提液用10倍量水沉；沉淀加6倍量石油醚40℃脱脂；用1mol／L的NaOH溶液碱洗，除去酸性杂质；以碱性氧化铝柱，以环己烷／丙酮为洗脱溶剂，在环己烷-丙酮(6：4)段富集到所需活性部位，洗脱剂用量为3VB。

The extraction technology of yellow pigments in Coreopsis basalis was studied by use of single factor test and L_(16(4~5) orthogonal experiment design method in this paper.

通过单因素和L16(45)正交实验对金鸡菊花中黄色素的提取工艺进行了研究，获得提取最佳工艺条件为：pH值为3、体积分数65%的乙醇为浸提剂，按料液比1∶12投料，在50℃下浸提5h

A two-step method of releasing and inner ebullition was used to intensify the process of extracting berberine in the plant of Rhizoma coptidis.

采用解吸？内部沸腾两步法强化植物有效成分提取，首先用少量低沸点解吸剂饱和植物组织，以使组织内部的有效成分充分解吸，然后快速加入温度高于解吸剂沸点的溶剂，使植物组织内部的解吸剂迅速被加热至沸腾，强化传质过程。

The optimal technics conditions of extracting starch for fernery were confirmed through orthogonal test.

以石灰水为浸泡剂，探讨了pH、料液比、浸泡时间、沉降时间对淀粉提取率的影响，并用正交试验确定了蕨根淀粉提取的最佳工艺。

Camphor oil was abstracted from the greenheart leaf by the steam-distil method and used as main component of corrosion inhibitor for hydrochloric acid cleaning .

用水蒸气-蒸馏法从樟树叶中提取桉叶油；并将其作为盐酸酸洗缓蚀剂的主要成分，用正交实验法优选了复合缓蚀剂配方；采用线性极化法评价缓蚀剂的缓蚀效率，并对其缓蚀机理进行了初步探讨。

The Di(2-ethyl hexyl) Adipate in Nenjiang river water was extracted by hexane with ultrasonic generator.

采用超声波提取技术，用正己烷提取嫩江水中己二酸二(2-乙基己基)酯增塑剂，以气相色谱/质谱联用选择离子监测法检测，外标法定量。

A steel bar is washed and dried, and then put into a glass pipe which is sealed to obtain stirring magneton; a mixed solvent of Gamma-methacrylate oxide propyl trimethoxy silane and methanol is prepared and added with an organic base to obtain a pre-bonding solvent; the stirring magneton is immerged into the pre-bounding solvent, and the outer surface of the glass pipe of the stirring magneton is bonded with a layer of silane substance with alkenyl; a reactive monomer mixture and a pore-forming agent mixed solvent are evenly mixed and then added into a container, the stirring magneton after the pre-bounding is put into the container which is sealed and then put into a water bath; after reaction, the container is removed, the stirring magneton coated with a polymer is taken out and put into a extractor and extracted by using a solvent; or the stir bar is immersed into the solvent till no impurity can be checked in the solvent, thereby obtaining the product.

将铁条清洗干燥，放入玻璃管内，密封得搅拌磁子；配制γ-甲基丙烯酸氧丙基三甲氧基硅烷与甲醇的混合溶液，加入有机碱得预键合溶液，将搅拌磁子浸入预键合溶液，在搅拌磁子的玻璃管外壁键合一层带烯基的硅烷化物质；将反应单体混合剂和致孔剂混合溶液混匀后倒入容器中，将预键合后的搅拌磁子放入容器，密封后置于水浴中，反应后除去容器，取出涂有聚合物的搅拌磁子，置于提取器中，以溶剂提取，或将搅拌棒置于溶剂中浸泡至溶剂中无杂质检出，得产物。

The flocculation could reach 97.0.% after 3 days culture.The microbial flocculants produced by Serratia ficaria are excreted out of the cell, and the flocculants are mostly distributed in zymolytic medium. The flocculation and Zeta potential experiments were made.

无花果沙雷氏菌产生的絮凝剂，主要分布于发酵液中，对其进行提取纯化，通过絮凝过程中高岭土Zeta电位的变化及絮凝剂的组成对絮凝剂的絮凝特性及絮凝机理进行探讨。

Supercritical carbon dioxide extraction of lutein ester from marigold(Tagetes erect L.)with continuous co-solvent ;2. This paper reviews comprehensively the machinary and methods of co-solvent added in the supercritical CO2 for extraction of natural products.

综述了夹带剂在超临界CO2萃取天然产物中的作用机理、使用方法、夹带剂的种类，以及夹带剂在提取生物碱、酚酸、皂苷、黄酮、脂肪酸等天然产物中的应用。

According the known structure of MELs and the composition of broth, the separate and purify process of MELs was studied with silica-gel chromatography and the optimum conditions were: silica gel particle size 200 mesh, washing solution chloroform-acetone mixture (7: 3 for MEL-A, 6: 4 for MEL-B), washing rate 0.25ml/min, washing amount 400ml solvent/g MEL.

1根据已知生物表面活性剂MEL的结构特点和发酵液组成，在提取得到MEL粗制品的基础上，采用硅胶色谱分离技术，确定了MEL的最佳分离纯化条件：硅胶粒径200目，洗脱剂采用氯仿-丙酮混合溶剂，洗脱剂配比为7∶3、6∶4，洗脱速率为0.25ml/min，洗脱剂用量为400ml/gMEL。

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