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- Objective To study the antibacterial activities of different solvent extracts of Crotalaria ferruginea Grah. 目的探讨响铃草的体外抑菌作用。
- An in-situ pyrolytic methylation method is proposed and used to analyze the chemical composition of oxygen containing compounds in the resins from source rock solvent extracts. 采用原位热解酯化技术对烃源岩非烃组分中含氧化合物的组成进行了探索性研究,得到了以一系列一元羧酸甲酯为主的反应产物。
- The outer seed capsule system solvent extracts of ginkgo refers to separating methanol extracts with various organic solvent system,and obtaining different solvent extract. 银杏外种皮系统溶剂提取物,是指用各种有机溶剂系统对银杏外种皮甲醇提取物进行分离而制出不同溶剂的提取物。
- Solvent Extractables in Petroleum Waxes, Method of Test for (05. 石蜡中溶剂性萃取物的试验方法(05。
- Low boiling point solvent extract technology of lithospermum seeds oil were introduced.Biological active substances is not destroyed. 低沸点溶剂萃取技术提取紫草籽油,使其生理活性物质不受破坏,为紫草籽油的开发利用提供了保证。
- METHODS The antioxidant of 75% ethanolic extract and organic solvent extracts, water extracts and polysaccharids from Acanthus ilicifolins L. was detected by Flow-injection chemiluminescence, to evaluate the ability of scavenge H2O2. 方法采用流动注射化学发光法,研究该植物75%25乙醇提取物及其有机溶剂萃取分离部分、水提取物及多糖对过氧化氢(H2O2)的清除作用。
- The experiment utilizes combination of solvent extract method with chromatography method, We seperated two compounds, They are Formononetin, Calycosin separately. 摘要本实验是利用溶媒提取和层析方法相结合,分离出两种化合物,它们分别是芒柄花素和毛蕊异黄酮。
- The waxes are classed as alcohol or organic solvent extracted materials. 这种蜡质属于乙醇有机溶剂的萃取物。
- Indole is extracted from methylnaphthalene oil through solvent extracting. 用溶剂萃取法从甲基萘油中萃取吲哚。
- The concentration of sulfur compound was the highest in steam distilled onion oil while it was lower in the extract of hexane and alcohol (at 25℃): There was no significance difference between solvent extracts. 在含硫化合物浓度上,水蒸汽蒸馏得到的洋葱精油明显高于正己烷或乙醇萃取得到的油树脂,而不同溶剂萃取得到的油树脂含硫量相差不多。
- Objective:To study on purgative activity of rhubarb extracts by solvent extraction,SFE-CO2 and SFE-CO2 &residue resin purification. 目的:研究大黄溶剂工艺、SFE-CO_2工艺与SFE-CO_2及药渣树脂精制工艺产物的泻下活性。
- Solvent extraction is accomplished by the addition of an immiscible solvent to the wastewater. 溶剂萃取是向废水中投加不溶于水的溶剂。
- Methods:The fermentation extracts were isolated and purified from endophyte HCCB00189 by solvent extraction,column chromatography and preparative HPLC,respectively. 方法:采用溶剂萃取、硅胶柱层析及制备HPLC等方法,对活性菌株的发酵物进行分离,并根据理化性质和光谱分析对化学结构进行鉴定。
- She read me a few extracts from her own new novel. 她把她自己的新小说念了几段给我听。
- A study is made of separation of zinc from iron in waste sulfuric acid pickle liquor by solvent extraction. 对溶剂萃取分离镀锌酸洗废液中的锌、铁进行了研究。
- Solvent extraction method was used to extract total flavonoids from toona sinensis leaves. 研究了溶剂法提取香椿叶总黄酮的工艺条件。
- The sample of ginkgo biloba extracts was prepared by solvent extraction,column chromatography and solid phase extraction,the ginkgolic acids was purified by preparative HPLC. 通过萃取、层析和固相萃取等方法预处理银杏叶提取物,然后用HPLC制备色谱柱自制银杏酸纯品,结合紫外光谱、氢核磁共振和高效液相色谱,对银杏酸进行结构解析。
- The macroreticular resin to adsorb leucomycin( LM) as the better method to replace the solvent extraction method was designed. 用大孔网状树脂吸附法代替溶媒萃取法,分离纯化柱晶白霉素。
- Three main extracting methods are steam distillation, solvent extraction and super critical CO2 extraction. 其提取方法主要有3种:水蒸气蒸馏法、机溶剂浸提法和超临界co2萃取法。
- Study on Ultrasonic-assisted Solvent Extraction of Lutein from Tagetes eracta Linn. 超声波强化有机溶剂提取万寿菊中叶黄素的研究。