超临界流体萃取

  • 网络supercritical fluid extraction;sfe;SCFE;supereritical fluid extraction
超临界流体萃取超临界流体萃取
  1. 同时通过对超临界流体萃取过程中的传质模型与数学模拟,以及测定丁香油中主要成分在超临界CO2中的溶解度与关联等基础研究,为今后的工程放大提供必要的基础数据和理论指导。

    In addition , the basic theoretical research on the mass transport process of SFE and the solubility of clove oils were also studied .

  2. 另外,此样品有机碳(TOC平均为0.18%)含量较低,这说明超临界流体萃取因其高效、快速、选择性强而适合于地质样品中的痕量、微量组分的萃取分析。

    In addition , lower content of organic carbon ( average 0.18 % ) in the samples suggest that SFE can be used as extracting trace organic components in geological samples due to high efficient , rapid and strongly selective advantage .

  3. CO2超临界流体萃取芦笋中熊果酸的研究

    Study on co_2 supercritical fluid extraction of ursolic acid from Asparagus

  4. 丹参酮ⅡA的CO2超临界流体萃取工艺研究

    A study on the tanshinone ⅱ a extraction with co_2 supercritical fluid

  5. CO2超临界流体萃取制剂&脑安胶囊(新型)对兔脑血流量的影响

    Effects of SFE-CO_2 preparation-Nao'an capsule ( new type ) on cerebral blood flow of rabit

  6. 采用CO2超临界流体萃取大气颗粒物中有机化合物的研究

    Supercritical Fluid CO _2 Extraction for the Research of Organic Compounds of Particles in the atmosphere

  7. 本研究以小麦胚芽为原料,利用超临界流体萃取技术从麦胚中提取天然维生素E。

    Using wheat germ as material , this paper extracted natural vitamin E by supercritical fluid extracting technology .

  8. 拳卷地钱挥发油的CO2超临界流体萃取及GC-MS分析

    Extraction of Volatile Oil from Marchantia Convoluta by CO_2 Supercritical Fluid Extraction and Analysis by GC-MS

  9. 介绍国内CO2作为有机合成工业潜在化学碳源的研究状况和CO2在超临界流体萃取中的应用情况。

    Application and researches of CO2 in potential carbon source of chemical synthesis and supercritical fluid extraction in China are reviewed .

  10. 白芷中香豆素类成分的超临界流体萃取和GC-MS分析

    Extraction of coumarins from Angelica dahurica by supercritical extraction and GC-MS analysis

  11. 本文利用CO/H_2O体系,对我国三种煤进行了亚临界&超临界流体萃取的研究。

    In this study , three types of chinese coal were subjected to sub-and supercritical fluid extraction in catalyzed CO / H_2O system .

  12. 根据超临界流体萃取技术的基本原理,对影响超临界CO2流体萃取类胡萝卜素的各个因素,如萃取压力、萃取温度、萃取时间、物料粒度、CO2流量等分别进行了研究。

    Based on the fundamental principle of the technology , extracting pressure , extracting temperature , extracting time , grinding granularity and CO_2 flow rate were studied .

  13. 本文针对超临界流体萃取(SFE)系统设备的特点,设计了可用于强化SFE过程的双频超声波交替强化装置。

    A Dual-frequency ultrasonic apparatus used for enhancing supercritical fluid extraction ( SFE ) was designed .

  14. 超临界流体萃取(SupercriticalFluidExtraction,简称SFE)是一种新型的萃取分离技术,有着良好的应用前景,对其开展研究有着重大的现实意义。

    Supercritical Fluid Extraction ( SFE ) is a kind of newly technology of extractive separation . The research on SFE has its distinct significance and with favorable applied foreground .

  15. 近年来超临界流体萃取技术倍受人们青睐,超临界CO2作为有机溶剂的替代者促进了绿色工艺的发展。

    Supercritical extraction has become very popular in recent years . Supercritical carbon dioxide can be used as a replacer for organic solvents , which enables the development of green processes .

  16. 讨论了应用超临界流体萃取法进行样品预处理时的条件选择:超临界流体的选择,列举了数种常用的超临界流体,详尽介绍了CO2的特性及其在样品预处理中的应用范围;

    Discussion on selection of sample disposal , and pre-treatment conditions while applying supercritical fluid extraction , such as : selection of SF ; characteristics of CO2 and its application to sample pre-treatment and range ;

  17. 固相萃取(SPE)、超临界流体萃取(SFE)等新的萃取方法已逐渐代替了液-液萃取(LLE)等传统提取方法。

    Solid-phase extraction , supercritical fluid extraction and other new methods have replacing the traditional method such as liquid-liquid extraction .

  18. 分析规模的超临界流体萃取(SFE)是一种新的样品制备方法,具有许多传统样品制备方法所没有的优点。

    Supercritical fluid extraction ( SFE ) is a relatively new sample preparation method and has many advantages over traditional methods .

  19. 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 .

  20. 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 ) .

  21. 方法:采用超临界流体萃取技术(SupercriticalFluidExtraction,简称SFE)提取柴胡果实的精油,气相色谱-质谱联用仪(GC-MS)分析和鉴定其化学成分。

    Methods Essential oil from the fruits of Bupleurum Chinense DC . was extracted by using supercritical fluid extraction ( SFE ), and the chemical constituents to be identified by GC / MS spectrum .

  22. 利用减压渣油及其超临界流体萃取分馏馏分的基本性质数据(H/C原子比、分子量、密度),由多元线性回归分析法得到了结构参数的关联式。

    By multivariate linear regression analysis method , the correlation of structural parameters was obtained from the basic property data ( H / C atomic ratio , molecular weight , density ) of residues and their fractions under ultra - critical condition .

  23. 本文介绍了超临界流体萃取技术(SFE)的基本原理、特点和前景,着重综述了近年来超临界流体萃取技术在食品农药残留分析中的应用。

    The manuscript has presented a detailed review on the supercritical fluid extraction ( SPE ) applications in pesticide residual analysis in foods .

  24. 给出了多功能超临界流体萃取分馏仪监控系统的硬件设计方案和VB6.0环境下软件编程实现。

    This paper present the hardware design of multi-function instrument of supercritical fluid extraction and fractionation supervise system . and then program with VB 6.0 to realize it .

  25. 在1L超临界流体萃取实验基础上,进一步用5L超临界流体萃取装置进行萃取放大试验。

    Based on the 1L supercriticality-extracting experiment , further uses the 5L supercriticality-extracting equipment to carry on the enlarged experiment .

  26. 基于超临界流体萃取技术开发的要求,选用CCOR方程,PR方程和修正了混合规则的MPR方程,计算了十个含CO2二元体系208个数据点的汽&液平衡。

    Vapor-liquid equilibrium data of ten systems containing CO2 were calculated by CCOR , PR and MPR equation , based on the requirement of development in supercritical fluid extraction .

  27. 研究了萃取温度、压力、时间、CO2流量和超声参数对超声强化超临界流体萃取海藻EPA和DHA的影响。

    Factors affecting the ultrasonically-enhanced supercritical fluid extraction ( USFE ) of EPA and DHA from algae were studied , including the temperature , pressure and time of the extraction , CO 2 flowrate and ultrasonic parameters .

  28. 超临界流体萃取技术(SFE)是以超临界流体作为萃取剂的一种新型分离技术,具有快速、自动化操作、影响因素易于控制、不使用或少使用有机溶剂等优点。

    Supercritical fluid extraction ( SFE ) is a new separation technique . Compared with conventional methods , it is rapid , automation , easy to control and seldom uses organic solvent .

  29. 本文采用CO2超临界流体萃取(SFE)技术分两步萃取大气颗粒物中的有机物,气相色谱-质谱(GC-MS)进行分析和鉴定,并选用90多种主要萃取物与超声萃取效果进行对比。

    A two-step supercritical fluid extraction ( SFE ) method is used for the extraction of organic compounds of particles in the atmosphere , then the analysis is performed by gas chromatography coupled to mass spectrometry ( GC-MS ) .

  30. 阐述了近10年来超临界流体萃取分馏法(SFEF)、色谱法、波谱法、光谱法在减压渣油(VR)族组成分析中的应用。

    The application of supercritical fluid extraction and fraction ( SFEF ), chromatography , wave spectrum method and spectrum method for the analysis of vacuum residue group composition were reviewed .