本文介绍了超临界萃取的原理,溶媒及挟带剂。
The article deals with principle, solvents and entrainers of supercritical fluids extraction.
目的:考察蛇床子超临界萃取物外用的止痒作用。
Objective: To define antipruritic effect of supercritical fluid ext ra ct( SFE) of fructus cnidii.
针对快开式超临界萃取釜结构开发了参数化有限元分析系统。
Based on the design status of the quick-opening seal structure of SFE kettle, the parametric finite element analysis system is opened up.
目的探讨当归与五味子及由二者组成的复方的超临界萃取工艺。
OBJECTIVE To study the extraction process of essential oil from Angelica sinensis and Schisandra sphenanthera.
综述了超临界萃取作为样品制备技术在痕量药检分析中的应用。
Supercritical fluid extraction as a sample preparation tool for harmful chemical residue analysis in analytical toxicology are reviewed.
综述了超临界流体特性、超临界流体的应用及超临界萃取技术。
Summarized supercritical fluid property, supercritical fluid application and supercritical fluid extraction technique.
探讨了双塔连续逆流操作的超临界萃取和浓缩天然维生素E的工艺路线。
The process for concentrating natural vitamin E in the dual-column continuous countercurrent supercritical extraction is studied.
采用超临界萃取分离技术对伊朗重质减压渣油按相对分子质量进行了分割。
According to the molecular mass, the vacuum residuum from Iranian heavy crude oil was separated into fractions by the Supercritical fluid extraction and fractional (SFEF) technology.
结论与水蒸汽蒸馏法相比较,超临界萃取法具有萃取率高、耗时少等优点。
ConclusionCompared with steam distillation, the supercritical carbon dioxide extraction showed many advantages, such as short extraction time and high extraction yield.
重点讨论了夹带剂在超临界萃取烟草中烟碱、茄尼醇、精油等有效成分中的应用。
It is emphatically discussed that the entrainer is applied for supercritical fluid extraction (SFE) of available components in tobacco, such as nicotine, solanesol and ethereal oil.
本文介绍了三项高新分离技术:分子蒸馏技术、超临界萃取技术及高效离心传质技术。
Three high and new separation technologies are introduced in this article: molecular distillation technology, supercritical extraction technology, high efficiency centrifugal mass transfer technology.
以甲苯为溶剂在半连续装置上对神府、抚顺和大同三种年轻烟煤进行了超临界萃取研究。
The supercritical extraction of Shenfu, Fushun and Datong coals is investigated on a semi- continuous apparatus.
方法:以不同浓度的蛇床子超临界萃取物局部外用,观察其对磷酸组织胺致痒反应的影响。
Methods: The antipruritic effect on histamine acid phosphate was observed through local application of SFE.
本文介绍了分析规模超临界萃取装置限流器的发展趋势,并详细介绍了一种新型限流器的设计。
The trends of restrictor for analytical scale super critical fluid extraction equipment and design of a new restrictor were introduced.
利用超临界萃取技术提取分析基体中痕量目的组分时,常需加入适宜的改性剂以提高萃取效率。
Supercritical fluid extraction (SFE) is a new promising chemical separation technology, one of its main application fields is for sample purification to extract and detect the aim analyte.
文章介绍了超临界萃取的原理、特点及在天然产物开发与研究中的应用,并对其前景做了展望。
This paper presents characteristic, principle and application in natural products of supercritical liquid extraction technique, also expects its prospect.
文章介绍了超临界萃取的原理、特点及在天然产物开发与研究中的应用,并对其前景做了展望。
This paper presents characteristic, principle and application in natural products of supercritical liquid extraction technique, also expects its pr…
用CO2超临界萃取技术,对红松松仁油提取条件进行了初步探讨,找出了最佳提取温度、力指标。
Use the technique of supercritical CO2 extraction inquiring into the extrct condition of the kernels oil tentatively, and findthe best temperature and pressure index for extraction.
主要论述了二氧化碳、干冰、二氧化碳合成化工产品以及二氧化碳的超临界萃取技术等方面的应用。
This article primarily discusses applications of carbon dioxide, dry ice and synthesis of chemical products, carbon dioxide supercritical carbon dioxide extraction technology.
去除油脂中胶质的方法中,比较成熟的主要有膜过滤法、水化法和特殊水化法,新方法有超临界萃取法等。
The removing methods such as membrane filtration method, micella degumming method, special micella degumming method and supercritical degumming etc, were described and evaluated respectively.
结论可利用正交实验数据对BP网络进行训练,利用训练好的网络对中药药效物质基础的超临界萃取结果进行预测。
ConclusionOrthogonal experimental results could be used to training BP-NN and the trained BP-NN could forecast the extraction results of active components in Chinese herb medicines.
论述超临界流体及超临界萃取中夹带剂的作用、作用机理、选择方法、应用及其研究进展,并提出所存在的问题和研究方向。
This article describes the function, function mechanism, choice method, application and progress of entrainers in SFE, and the exiting problems and research orientation are also pointed out.
根据原油的实沸点(TBP)蒸馏数据和超临界萃取分馏方法得到的常压渣油t BP蒸馏数据,开发了获得全馏程TBP蒸馏数据的方法。
Based on the atmospheric residue TBP data Obtained by TBP distillation data of crude and supercritical extraction method, a method obtaining the full range distillation TIP data were developed.
本文以膜分离技术、冷冻技术、远红外技术、超临界萃取技术和无菌包装技术为代表,介绍高新技术在我国食品工业中的研究和应用情况及发展趋势。
This paper presents an overview of many new techniques and methods which were based on membrane separation, freezing, far-infrared, supercritical fluid extraction and aseptic pac…
概述了近年来样品预处理方法的新进展,简要介绍并对比了固相萃取(SPE)、固相微萃取技术(S PME)、微波提取技术(MAE)、超临界萃取( SFE)、加速溶剂提取(ASE)等方法。
This paper discusses the recent advances in sample pretreatment methods and briefly introduces and compares the technique of SPE, SPME, MAE, SFE and ASE.
小茴香超临界CO2萃取产物的主要成分是茴香脑和脂肪酸等。
The main compositions of supercritical CO2 fluid extraction product of Foeniculum vulgare Mill. seeds are anethole and fatty acids.
采用乙醇提取法、水提取法及超临界CO_2萃取三种方法对虎杖样品进行抽提。
The efficient of three extraction techniques, alcohol extraction method, water extraction method and supercritical CO_2 extraction were studied.
研究超临界CO_2萃取和分离富集过程的试验参数。
The parameters in supercritical CO2 extraction and separation were studied.
超临界CO_2的热物理性质是超临界CO_2萃取工业装置设计和模拟必需的基础数据。
The thermal properties of supercritical carbon dioxide(SCF CO_2) is the essential basic-data which the SCFE industrial equipments design and simulate.
超临界CO_2的热物理性质是超临界CO_2萃取工业装置设计和模拟必需的基础数据。
The thermal properties of supercritical carbon dioxide(SCF CO_2) is the essential basic-data which the SCFE industrial equipments design and simulate.
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