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- ethyl ether extract 乙醚浸出物
- " Generel methods on determination of cosmetics--Determination of essence in perfume, cologne and toilet water by ether extraction with ethyl ether" GB/T13531.;5-1995化妆品通用检验方法乙醚萃取法测定香水、古龙水和花露水中的香精
- Generel methods on determination of cosmetrics--Determination of essence in perfume, cologne and toilet water by ether extraction with ethyl ether 化妆品通用检验方法乙醚萃取法测定香水、古龙水和花露水中的香精
- Methods:The effective petroleum ether extract and ethyl acetate extract parts preliminary were selected in vitro,then anticancer experiments in vivo were done by S180-mice and H22-mice models. 方法:体外初步筛选出的青天葵石油醚和乙酸乙酯活性部位,利用S180和H22小鼠模型进行了体内抗肿瘤试验。
- Its ether extract contains Isopsoralen and Bergapten. 香豆素类应为五指毛桃的有效部位之一。
- ethyl ether extraction 乙醚萃取
- ConclusionIt is the first time that the petroleum ether extract and ethyl acetate extract of Nervilia foadii(Hance) Schltr. are proved to be the effective anticancer fractions in vitro. 结论首次确定了青天葵的石油醚和醋酸乙酯部分是体外抗肿瘤作用的有效部位。
- Furfuryl ethyl ether is an important component responsible for the stale flavor of beer. 糠基乙醚是啤酒产生老化味的一种重要成分。
- Amon-g of them, YNN-1 and YNN-3 were obtained from the petroleum ether extract. 其中化合物HX-3、LFM-7由石油醚部分获得；
- The volatile oil was extracted from the Fructus rhodomyrti using ethyl ether by supersonic. 摘要釆用乙醚超声波萃取法提取广东稔子中的挥发油。
- Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin. 工业莰烯在耐高温离子交换树脂DCP催化作用下与无水乙醇反应生成了异龙脑基乙醚。
- The BALF were collected by narcotizing the rats with ethyl ether in 12 week, to examine the content of ALT, AST, ALP and LDH in BALF. 于12周后采集肺泡灌洗液(BALF)检测ALT、AST、ALP、LDH水平。
- Isobornyl ethyl ether was prepared by the catalytic ethoxylation of camphene with ethyl alcohol in the presence of cation exchange resin fixed bed. 莰烯在阳离子交换树脂固定床催化下与乙醇反应生成异菠基乙醚。
- In the imaging field,polyphenol 1-ethoxyl ethyl ether compounds,as dissolution inhibitors,can be applied to the thermo-sensitive CTP composition s. 在成像领域中,可应用多酚乙烯基醚类化合物作为阻溶促溶剂,应用于热敏CTP感热成像配方。
- The crude low isotactic polypropylene (LIPP) was fractionated by subsequent extractions with boiling ethyl ether, n - hexane, and n - heptane. 用溶剂分级法对低等规聚丙烯(LIPP)进行了分级,测定了各级分的含量、分子量及其分布、特性粘数、分子链规整度及序列分布等分子性质。
- Additionally, the ether extract of Aspongopus chinensis Dallas could also improve the secretion of EPS. 提高胞外三萜类物质的产量的有效成分主要是九香虫乙醇提取物:促进胞外多糖分泌的有效成分主要是九香虫乙醚提取物。
- This paper introduced the contribution of 2-furfuryl ethyl ether to the stale flavor of beer and the formation mechanism for 2-furfuryl ethyl ether. 本文介绍了2-糠基乙醚对啤酒老化味的作用及形成机理。
- Objective To study the chemical constituents of the petroleum ether extract fraction from Caragana microphylla Lam. 目的对小叶锦鸡儿石油醚提取物进行化学成分研究。
- Sodium Iron Chlorophyllin Dark green powder or crystal.Easily soluble in water, slightly soluble in alcohol and chloroform.Insoluble in ethyl ether. 产品说明 叶绿素铁钠盐 本品是以天然植物为原料;经过精制加工提纯所得到的天然叶绿素的衍生物.;本品为墨绿色结晶或粉末;易溶于水;微溶于乙醇;氯仿;不溶于乙醚;水溶液透明;无沉淀。
- Study on Chemical Constituents of Petroleum Ether Extract Fraction from Caragana microphylla Lam. 关键词：小叶锦鸡儿；石油醚；黄葵内酯；二十四烷酸；
