夹带剂
- entrainer
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夹带剂对超临界CO2萃取中草药成分的作用分析
Effect of entrainer on supercritical CO_2 for extraction of tradition and herbal drugs
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夹带剂强化技术可显著提高超临界CO2萃取茄尼醇的萃取效率。
Entrainer enhancing technology can significantly improve the solanesol separation efficiency of supercritical CO_2 extraction .
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夹带剂对超临界CO2萃取茄尼醇过程的强化
Enhancement of Entrainer on Supercritical CO_2 Extraction of Solanesol from Tobacco
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超临界CO2流体的夹带剂对木材渗透性的影响
Effects of co-solvent in supercritical CO_2 treatment on wood permeability
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夹带剂对超临界CO2萃取结晶穿心莲内酯的影响
Influence of entrainers on supercritical CO_2 extracting and crystallizing andrographolide
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夹带剂对超临界CO2萃取被孢霉中γ-亚麻酸油脂的影响
Influence of Auxiliary Solvent on Supercritical CO2 Extracting-Linolenic Acid Containing Oil from Mortierella
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夹带剂在银杏叶超临界CO2萃取中的应用研究
Applied researches of cosolvents upon extraction of active compounds from Ginkgo Biloba leaves in supercritical CO_2
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α-萘乙酸与β-萘酚在含夹带剂超临界CO2中溶解度的研究
Study on the Solubility of α - Naphthylacetic Acid and β - Naphthol in Supercritical Carbon Dioxide with Cosolvent
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本论文研究用超临界CO2萃取技术提取香子兰精油和香兰素提取工艺,并研究了夹带剂对提取物及提取率的影响。
The extracting techniques of essential oil of Vanilla planifolia and vanillin are studied by CC > 2 SFE .
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通过正交实验对超临界CO2的萃取工艺进行优化,确定最佳工艺条件为:压力38.5MPa,温度40℃,夹带剂用量1.5ml·g~(-1)。
Orthogonal experiment was applied to optimize the process parameters of the supercritical CO_2 fluid extraction .
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本文就夹带剂对超临界CO2萃取过程的影响及应用进行了论述,并提出了所存在的问题和研究方向。
This paper presented the enhancing of modifier on supercritical CO 2 extraction process and its application , and the exiting problems and research orientation are also pointed out .
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研究了萃取温度、萃取压力、萃取时间和夹带剂添加量对超临界CO2萃取桃叶中叶绿素的影响。
The influence of extraction temperature , extraction pressure , extraction time and the dosage of modifier on the extraction of chlorophyl from peach leaf by supercritical CO2 extraction technology was studied .
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该文报道影响超临界流体萃取(SFE)技术提取大蒜油的相关因素,包括萃取压力、萃取温度、萃取时间、夹带剂用量等。
SFE technology was studied in this paper , the parameters including the pressure , temperature and time of extraction cosolvent .
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介绍了用超临界CO2萃取法制取高质量的葡萄子油和应用夹带剂提取葡萄子中的原花青素的方法。分析了葡萄子的综合开发的应用前景。
The analysis method of the composition of grape seed oil , content determination of proanthocyanidins , high quality grape seed oil extraction with supercritical fluid CO2 and proanthocyanidins extraction with modifier are discussed .
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本文报道了二氧化碳超临界流体萃取草珊瑚的操作过程,得出了CO2-SFE及CO2-SFE乙醇夹带剂两种方法的最佳工艺条件。
The paper has reported the operation process of extracting Sarcandra glabra ( Thunb ) Nakai with CO2-SFE . and the best technological condition obtained on the two methods : CO2-SFE and CO2-SFE-Ethanol ( as reagent smuggled ) .
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实验选用L(16)(4~4×2~3)正交表,以除虫菊酯浓度为考核指标,考察萃取压力、萃取温度、CO2流量、超声波及夹带剂(水)对萃取效率的影响。
The influences of pressure , temperature , flow rate of CO2 , ultrasound and co-solvent ( water ) on the extraction concentration of pyrethrins were investigated by using orthogonal experiments .
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利用流动法分别测定了苯甲酸在温度308.15318.15328.15K、压力范围8.0~23.0MPa时,在纯超临界CO2及以乙醇、乙酸乙酯、乙二醇为夹带剂的超临界CO2中的溶解度。
The solubility of benzoic acid in supercritical carbon dioxide with or without ethanol , ethyl acetate , ethylene glycol as cosolvent were measured at temperatures of 308.15 , 318.15 and 328.15 K and pressures from 8.0 to 23.0 MPa respectively .
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重点考察了萃取温度、萃取压力、夹带剂种类、夹带剂用量、粒度、萃取时间、CO2流速等因素对皂苷提取率的影响,并确定了适宜的工艺条件。
The effects of extraction temperature , pressure , the kinds and dosage of entrainers , granularity , time and flow rate of CO2 on the extraction yield of saponins were studied , and the optimum parameters and conditions were finally achieved .
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方法以二乙基二硫代氨基甲酸钠(NaDDC.3H2O)作为配合剂,乙醇为夹带剂,设计正交试验,采用ICP-MS测定橘红中Cu、As、Pb的量。
Methods Taking sodium diethyldithiocarbamate trihydrate ( NaDDC · 3H_2O ) as chelating agent and ethanol as entrainer , the orthogonal test was designed and ICP-MS used to mensurate the contents of Cu , As , and Pb in chrysoidine under different conditions .
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结果超临界CO2萃取的最佳工艺务件为压力38.5MPa,温度40℃,夹带剂用量1.5mL·g-1。柱色谱进一步分离可制备高纯度冬凌草甲素。
RESULTS The optimized conditions were as follows : pressure 38.5 MPa , temperature 40 ℃, modifier 1.5 mL · g-1 . Oridonin was purified by the further separation of column chromatography .
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用正交试验优化设计选择萃取条件,最佳萃取条件为:温度35℃,压力30MPa,夹带剂用量每克印楝种子干粉15mL甲醇。
The optimal conditions were obtained with orthogonal arrays , which were 35 ℃, 30 MPa and 1.5 mL methanol per gram neem seed dry powder .
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以市售栀子黄色素为原料,比较系统地探讨了超临界状态下萃取压力、温度、时间、CO2流量、夹带剂对栀子黄色素OD值比率的影响。
Gardenia yellow pigment that was bought from the market was taken as experimental material in the paper . The influence of extracting pressure , temperature , time , CO 2 flow , modifier on the OD ratio of the gardenia yellow pigment was first studied systematically under supercritical condition .
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综述了近年来人们对超临界二氧化碳(SC-C02)与鱼油脂肪酸相平衡的研究概况,分析了温度、压力、夹带剂等对SC-CO2从鱼油脂肪酸混合物中萃取提纯EPA和DHA的影响。
A literature survey of solubility and phase equilibrium measurements on fish oil fatty acids in supercritical carbon dioxide ( SC-CO2 ) was presented . The effects of temperature , Pressure and entrainers on the extraction of EPA and DHA form fish oil fatty acids by SC-CO2 were discussed .
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结果:SFE-CO2萃取的最佳工艺为压力15Mpa,夹带剂为95%乙醇,萃取温度35℃,萃取时间3h,夹带剂加入量250ml,CO2流量为25L/h。
Results : The best method of the extraction by SFE-CO2 is at the pressure of 15 Mpa with 95 % ethyl alcohol - 35 ℃ - 3 hours - 250 ml infusing volume and 25L / h of CO2 flowing volume .
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结果:优选出总蒽醌的最佳萃取工艺条件是萃取压力为38MPa,萃取温度为70℃,萃取时间为60min;夹带剂用量为300ml。
Result : The best extract technology conditions involved that the extractive pressure was 38 MPa , the extractive temperature and time were 70 ℃ and 60 minutes respectively with the dosage of entrainer 300 ml.
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最佳工艺条件为:静萃取时间为60min、动萃取时间为30min、以乙醇作夹带剂、乙醇用量300mL·(100g大黄)-1、萃取温度45°C、萃取压力45MPa。
The optimum conditions for maximun yield are found as following : the static extraction time 60 min , dynamic extraction time 30 min , ethanol used as entrainer 300 mL ? ( 100 g raw material )? 1 , extraction temperature 45 ° C and extraction pressure 45 MPa .
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建立了一套研究夹带剂的超临界萃取装置。
A device is established for supercritical fluid extraction with an entrainer .
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夹带剂在超临界萃取烟草有效成分中的应用
Application Of Entrainer In Extracting Available Components In Tobacco By Supercritical Fluid
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以水作夹带剂可以提高除虫菊酯萃取效率。
The water as cosolvent could enhance extraction efficiency .
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夹带剂的极性、氢键作用对溶解度的提高起著很重要的作用。
Cosolvents plays en important role in the solubility of solvent in SCF .