基本解释：逆流提
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The results showed that the optimal conditions were as follows:countercurrent extraction of 4 levels,pH 9 at 80 ℃,with 1︰30 as the original ratio of material to solvent,and 30 min,20 min,15 min or 10 min as extracting time in respective gradient level.以水为提取剂对米糠黄酮逆流提取,研究了该工艺中影响黄酮提取率的主要因素,得出了合理的操作参数,即提取温度80℃,提取液pH 9,最初料液比1 g︰30 mL,提取时间逐级为30、20、15和10 min的4级逆流提取,此时黄酮的提取率及原料、溶剂的利用率均最高。
A new method of tea extraction was introduced,and analyzed the process of countercurrent extraction.介绍了一种茶叶浸提的新方法,并对逆流提取的过程进行了分析。
Objective:There were little lab-scale research on dynamic continuous countercurrent extraction from Traditional Chinese Medicine, so a lab-scale simulated method was put forward.目的:针对目前极少实验室规模研究中(yào)材多效动态连续逆流提取,提出一种实验室模拟方法,为该种方法的中试化奠定基础。
This article mainly aims at introducing the process,the structure and the characteristics of continuous countercurrent extraction.介绍了连续逆流提取的工艺过程、主体结构及性能特点,并分析了其在实际应用中存在的一些优缺点。
The method included 3 steps: continuous countercurrent extraction, column chromatography with 732 cation exchange resin, and crystallization, and their working parameters were optimized.该方法包括连续逆流提取、732阳离子交换树脂柱层析和结晶三步。
The principles of the continuous countercurrent extraction was reviewed, and the multi-stage tank-type, towline type and screw type and the present extracting conditions of natural product were introduced.阐述了连续动态逆流提取的原理,介绍了罐组式、拖链型连通器式、螺旋式连续逆流提取设备以及连续逆流提取方法对天然产物的提取状况。
Application of Multi-stage Countercurrent Extraction Technology in Traditional Chinese Medicine;罐组逆流提取技术在中(yào)领域中的应用研究
Study on Technology and Equipment of Ultrasonic-Microwave Synergizing Dynamic Countercurrent Extraction超声—微波协同逆流提取的工艺及设备研究
Research on technological process of two-pot countercurrent extraction of hydroxysafflor yellow A羟基红花黄色素A双罐组式逆流提取工艺研究
Process of three-effect dynamic countercurrent extraction from Hedyotis diffusa白花蛇舌草的三效动态逆流提取工艺研究
Study on Processing Technology of Pot Groups Dynamic Refluence in Extracting Polysaccharide from Cordyceps militaris (Fr) Link罐组式动态逆流提取蛹虫草多糖的工艺研究
Rapid Determination of Hydroxysafflor Yellow A Content in Countercurrent Extracting Process of Carthamus Tinctorius L. by Near Infrared Spectroscopy近红外光谱快速测定红花逆流提取过程中羟基红花黄色素A的含量
Pursuing for Ideal Continuous Countercurrent Flow Obstruction Rod Extractor追求理想的连续逆流折流管式提取机
Study on Three-stage Continuous Countercurrent Extraction Technology of Steviol Glycosides三级逆流法提取甜菊糖甙的工艺研究
Purification of EGCG Monomer from the Extracts of Tea by High Speed Countercurrent Chromatography高速逆流色谱提纯茶叶粗提物中EGCG单体研究
An eddy or countercurrent in water.逆流水中的漩涡或逆流
Study on Countercurrent Extraction and Extraction Kinetics of Pectin from Orange Peel;连续逆流法提取橙皮果胶及其动力学的研究
Design and analysis of dual-frequency ultrasound dynamic countercurrent extraction apparatus双频超声动态逆流高效提取装置的设计与分析
Black tea extracts are normally produced by a hot or boiling water extraction process, usually a countercurrent process.红茶的提取物通常是用热水或沸水通过逆流萃取工艺来制取的。
New Extraction Technologies and Separation with High-speed Countercurrent Chromatography of the Active Constituents from Licorice;甘草有效成分的新型提取技术及高速逆流色谱分离方法研究
How to Promote the Competitive Power of Fujian Retail Chain Enterprises with Reverse Logistics Management;以逆向物流管理提升福建零售连锁企业的竞争力
A Study of Reverse Logistics Inventory Control Based on Nonzero Remanufacturing Leadtimes;基于提前期非零时的再制造逆向物流库存控制策略研究
Preparation of Kaempferol and Isorhamnetin from Ginkgo Leaves by Recycling High-Speed Counter-Current Chromatography循环高速逆流色谱从银杏叶提取物中制备异鼠李素和山奈酚
Effects of Different Pretreatments on Simulative Counter-current Extraction of Flavonoids from Bamboo不同预处理对动态逆流模拟实验提取竹叶黄酮的影响
