纯化的

Water purification solutions, on system maintenance, and on quality control.

纯化方案的选择、系统维护和质量控制的推荐。

The present invention belongs to the technical field of biological pharmacy, and in particular relates to a preparation and purification method of tetra-hydroxyl xanthone mango aglycone, and an application thereof in hypoglycemic medicine.

本发明属于生物制药技术领域，具体涉及一种四羟基口山酮芒果苷元的制备、纯化以及其在降血糖药物中的应用。

The exact of petroleum ether was the acaricidal active site of Eungenia caryophyllata. 3.Isolation, purification and identification of compounds with acaricidal activity in Eugenia Caryphyllata: The exact of petroleum ether was separated into 6 parts by silica gel column chromatography with gradually increasing polarity of petroleum ether: ethyl acetate. The part C was demonstrated to be the most effective part by acaricidal activity test in vitro,and the time for it to kill all experimental mites was about 20 min.

丁香杀螨活性成分的追踪分离、纯化与结构鉴定：采用硅胶柱层析法，以石油醚：乙酸乙酯溶剂系统梯度洗脱，对丁香石油醚提取物进行分离，得到A~F 等6 段混合物，离体杀螨试验发现，C 段混合物具有突出的杀螨活性，50%浓度平均15min可杀死全部供试螨虫。

All the compounds were isolated and identified from the bituminous coals for the first time, bis(2-ethylheptyl) terephthalate and 18-ethyl-17-(hexan-2\'-yl) docosanoic acid are new compounds.Further more, a Colourless Oil Liquid, a white acerate crystals containing some alkanes, a white tabular crystals consisting of some fatty acid esters and a white powder crystals in which some fatty acids exist were isolated and analysed by GC/MS for the first time.Through this research, a study method of"classification extract of bituminous coal- separation with silica-gel and gelatin column chromatographies- identification of the isolated compounds by FTIR, GC/MS, LC/MS, 1H NMR and 13C NMR analyses"was established and proved to be a practical approach toward separable and non-destructive identification of some organic compounds in bituminous coals for coal chemistry research.

本研究建立了&原煤分级萃取-硅胶与凝胶柱层析分离与纯化-GC/MS或LC/MS检测-FTIR、MS、1H NMR和13C NMR波谱解析&这一煤中有机化学成分的非破坏性分离与分析的研究方法，并验证该研究方法有效可行。

ABSTRACT To study the antibacterial constituents from the fermentation broth of endophytic fungus Penicillium sp. 0935030 from mangrove plant Acrostichum aureurm. The separation procedure was guided by antibacterial bioassay. Seven compounds were isolated and purified by column chromatography, and their structures were identified as cyclo (1), cyclo (2), 1(2Furanyl)1,2ethanediol (3),(3β,4β,22β)olean12ene3,22,23triol (4), mannitol (5), uridine (6), and liquiritigenin (7) by physicochemical and spectral data.

为研究红树林植物卤蕨内生真菌Penicillium sp.0935030发酵物中的抗菌活性成分，采用活性追踪的方法，用多种色谱技术对化合物进行分离纯化，通过理化性质和光谱数据鉴定出7个化合物，分别为：环(1)，环(2)，1呋喃基1，2乙二醇(3)，(3β，4β，22β)12烯3，22，23三羟基齐墩果烷(4)，甘露醇(5)，尿苷(6)和甘草素(7)。

Among those malignant neoplasm cases, the lung cancer and colorectal cancer are the first and third places of the top ten leading cancer, respectively. In this study, the combination index methodology was used to discuss the synergism or antagonism among these anti-tumor components from adlay bran.

本研究以组合指数来探讨由本实验室自薏苡麸皮甲醇萃出物分中所分离纯化出之化学有效成分对抑制人类肺癌A549和结肠癌细胞HT-29生长的相乘作用或拮抗作用，探讨各个活性成分之间的相互影响和作用关系。

Objective Study on purification of total astragalosides by macroporous adsorptive resin to provide evidence for their industrialized production.

目的研究黄芪总皂苷的大孔吸附树脂分离纯化工艺，为黄芪总皂苷的工业化生产提供参考。

Objective Study on purification of total astragalosides by macroporous adsorptive resin to provide evidence for their industrialized production.

目的 研究黄芪总皂苷的大孔吸附树脂分离纯化工艺，为黄芪总皂苷的工业化生产提供参考。

Using ammonium sulfate precipitation, Blue Sepharose CL-6B psuedo-ligand affinitive chromatography and Sephadex G-75 gel chromatography, we obtained the typeⅠRIP with high purity, the feasibility of this method has been approved by SDS-PAGE results.

结果显示：1。运用硫酸铵分级沉淀、Blue Sepharose CL-6B假配基亲和层析、Sephadex-G75凝胶层析等方法提取、纯化得到了高纯度的苦瓜RIP，并且本方法提取效率较高，所获得的RIP在SDS-PAGE上呈现为单一条带。

AIM To purify a disintegrin from Agkistrodon Acutus snake venom , and to study the physical and chemical properties of the peptide, as well as its effects on the platelet aggregation stimulated by ADP, collagen, and thrombin.

目的从尖吻蝮蛇毒中分离纯化一种小分子多肽，研究其理化性质，对ADP、胶原、凝血酶诱导的血小板聚集以及对血管生成的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。