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- Petrol ether extract 石油醚提取物
- Its ether extract contains Isopsoralen and Bergapten. 香豆素类应为五指毛桃的有效部位之一。
- A series of fatty acid monoethanolamide ether carboxylates(AMEC) were purified by extracting with hot ethanol and recrystallizing with petrol ether. 通过无水乙醇热溶抽滤,石油醚重结晶等工序建立了酰胺醚羧酸盐的提纯方法,考察了溶剂用量、结晶温度、结晶时间等对石油醚重结晶效果的影响。
- 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；
- 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。
- 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。
- 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；
- Results of antioxidaive activity tests showed ether extract had the optimumeffect. 抗氧化性能测试表明乙醚提取物效能最好。
- The content of petroleum ether extract in the CB-1 Cutter of 2 curing technique,3 maturities and 2 sampling ways were determined. 测定了2种烘烤工艺、3个成熟度和2种取样方式的CB-1品种中部叶烤后石油醚提取物的含量。
- However, ether extract and caloric value decreased with the use of different added cereal crops, Chinese wolfberry, green pea and celluloses. 然而，乙醚抽出物及热能含量则因添加不同谷物、枸杞、青豆仁及纤维素而降低。
- The GC/MS analysis of ether extract from H. verticillata culture showed that Benzenedicarboxylic acid, Dibutyl phthalate and some others were the potential allelochemicals. 对乙醚提取物作进一步的气-质联用分析发现有如羊毛甾烯、苯二甲酸丁酯等具有潜在化感效应的物质。
- The components of chuanxiong s ether extract were analyzed.Conclusion The chromatography can serve as the specific fingerprint for Ligusticum chuanxiong. 结果确定气质联用分析条件,分析川芎乙醚提取液的化学成分,建立了川芎的特征指纹图谱。
- The car used a gallon of petrol for the journey. 汽车在路上消耗了一加仑汽油。
- The police faced a mob throwing bricks and petrol bombs. 警察面对一群投掷砖块和汽油弹的暴徒。
- In these extracts, the ether extract of PHEE had the strongest biological activity. 其中，乙醚萃取物的拒食活性和触杀作用最强。
- The fire blazed up when he poured petrol on it. 他浇上汽油火就熊熊地燃烧起来了。
- The GC atlas of ether extracts had more peaks than ethanol extract and n-hexane extract. 麝香酮的定量分析显示冷浸法提取的麝香酮含量高于超声和热回流提取。
- He is siphoning out petrol from a tank. 他在从油罐里吸出汽油。
- A car is useless without petrol. 汽车没有汽油就不能使用。
- I need a funnel to pour petrol into the tank. 我需要一个漏斗把汽油灌进油箱。
