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夹带剂

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Result The results showed that the main components of Nepeta pratti Lèvl were terpenoids with many pulegone.

结果]结果表明,康藏荆芥用乙醇作夹带剂的超临界CO2萃取方法提取的主要成分是以胡薄荷酮为主的萜酮类物质。

With the extraction efficiency of rotenone and total substance obtained as estimated index, the technology conditions of extracting rotenone from the leaves of Tephrosia vogelii were investigated by SFE-HPLC method.

采用超临界流体萃取反相高效液相色谱法,以鱼藤酮萃取率和萃取产物总得率为评价指标,研究提出非洲山毛豆 Tephrosia vogelii Hook.f中鱼藤酮的超临界流体萃取较优工艺条件为:萃取物料粒径30目,静态萃取20min,萃取温度45℃,压力27.58MPa,流体总流量30mL/g,萃取前向萃取池中加入3mL甲醇作夹带剂

The solubility of 2 -hydroxybenzoic acid was measured in supercritical carbon dioxide with and without cosolvents, such as cyclohexane and ethanol,within a temperature range of 308.15-328.15 K,and a pressure range of 10.0-24.0 MPa,by flow method.

该模型迭代速度快,需要的物性参数少。用流动法测定了2-羟基苯甲酸在温度308.15,328.15 K、压力10.0,13.0,16.0,20.0,24.0 MPa条件下,在超临界CO2中及有夹带剂环己烷、乙醇存在时的溶解度数据。

The best parameters of extracting seed oil of Korean pine are 35 MPa,45 ℃,180 min,5 % free-water C2H5OH as modifier .

研究超临界CO2萃取红松子油的影响因素,在试验条件下,其影响因素次序为萃取压力、夹带剂、萃取温度、萃取时间。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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