溶剂抽提
- 网络solvent extraction
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综述了蛋黄中胆固醇的脱除方法,包括有机溶剂抽提、超临界CO2萃取等物理方法;
The methods for cholesterol removal from egg yolk are reviewed , including organic solvent extraction , supercritical carbon dioxide extraction and other physical methods ;
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改进了用有机溶剂抽提检测一氧化氮(NitricOXide,NO)自由基的方法,并利用有机溶剂抽提法检测了小鼠心肌中NO的含量。
The extraction method with organic solvent extraction to detect nitric oxide was improved , and the production of nitric oxide in mice myocardium in vitro was detected with this method .
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FCC汽油溶剂抽提脱硫的研究
Study on Desulfurization of FCC gasoline by solvent extraction
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文中采用溶胶凝胶法结合CO2超临界一次溶剂抽提法制备SiO2气凝胶。
The sol-gel process and CO 2 supercritical drying technique were used to prepare silica aerogels .
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采用乙醇和丙酮溶剂抽提、CO2超临界萃取(SFE)以及水蒸气蒸馏(SD)的方法提取古蓬香脂乳胶。
Galbanum latex was extracted by ethanol , acetone , supercritical carbon dioxide and steam distillation .
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介绍了一种从植物材料中提取线粒体质粒DNA的方法,该方法不需要密度梯度离心和有机溶剂抽提,整个提取过程可在较短时间内完成。
A method for isolating mitochondrial plasmid DNA from etiolated plant seedlings is described in this paper . This method does not need gradient ultra centrifugation and organic solvent extraction . The entire procedure can be finished in short time .
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通过溶剂抽提、元素分析和Vector-22傅立叶红外光谱仪(FTIR)表征了P(BA-EHA)/PVC复合粒子的接枝情况。
The grafting situation of the composite particles was characterized through solvent extraction , elementary analysis and Vector-22 type of FTIR for it .
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考察了干燥体系的平衡状态与CO2+C2H5OH二元系的关系对溶剂抽提率及SiO2性能的影响,并采用XRD,TG/DTA和TEM技术对样品进行了表征。
The relations of the equilibrium state of the drying system with the solvent extraction efficiency and SiO 2 performance were studied . The samples were characterized by TG / DTA , TEM and XRD techniques .
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发酵液先经过离心后,除去菌体,再经过有机溶剂抽提,然后用SephadexG-25柱层析分离,得到了PVD提取液。
The supernatant extracted with organic reagents , then isolated by column chromatography with Sephadex G-25 . So the extraction of PVD was available .
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水热处理降低了神华煤的溶胀性能,CS2/NMP混合溶剂抽提减小了抽余物在NMP溶剂中的溶胀度;
The swelling ratio of extraction residue by CS_2 / NMP mixed solvent in NMP solvent is lower than that of the corresponding raw coal .
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本文用浮沉法及酸、碱和有机溶剂抽提方法探讨了小龙潭褐煤中As,Pb,Cr等元素的存在状态。
The forms of combination of As , Pb , Cr in Xiaolongtan coal was investigated by washability test , inorganic and organic solvent extract , The results show that As is organic association dominantly , contrary to As in bituminous .
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两种亮煤用CS2-NMP溶剂抽提后的结果分析
Analysis on the results of two clarains extracted by mixed solvent of cs_2-nmp
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用乙醚/已烷混合溶剂抽提鳗鱼骨油,用KOH-CH3OH酯交换法甲酯化,以毛细管色谱/质谱方法测定脂肪酸的组成。
Sample of eel-bone oil was extracted with a mixed solvent of ether and n-hexane and the extract was esterfied by KOH-CH_3OH . Then it was determined by capillary GC / MS.
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综述了国内外开发和应用的FCC汽油非临氢脱硫技术,该技术主要有生物脱硫、催化裂化脱硫、吸附脱硫、溶剂抽提脱硫、烷基化脱硫、氧化脱硫和膜分离脱硫等;
This article reviews the development and application of FCC gasoline non-hydrodesulfurization ( non-HDS ) technologies at home and abroad . The non-HDS technologies mainly include biological treatment , catalytic cracking , adsorption , extraction , alkylation , oxidation and membrane ( separation ) technology .
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开发了环丁砜-COS复合溶剂抽提蒸馏回收重整汽油中纯苯的新工艺(SED),在150kt/a工业装置上应用获得成功。
An extractive distillation process using a composite solvent , sulfolane and co-solvent COS , for recovering pure benzene from reformate was developed . The process was applied in a 150kt / a unit at Dalian Petrochemical Company .
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热解石脑油馏分的BTX(苯、甲苯、二甲苯)含量达40%~50%,可以通过加氢预处理、溶剂抽提和精馏分离回收其中的轻质芳烃。
The content of BTX in the naphtha fraction of the pyrolytic oil amount to 40 % - 50 % which can be reclaimed light aromatic hydrocarbon by hydrogenation pretreated , solvent elution and rectification .
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而用甲醇-冰醋酸(6∶4,v/v)为溶剂抽提聚合物,不仅能减少抽提次数及溶剂用量,而且模板分子VLB的回收率能提高到98.03%。
Using methanol-glacial acetic acid ( 6:4 , V / V ) as the extraction solvent , the recovery of VLB reached 98.03 % with less solvents and extract times .
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本文通过对快速溶剂抽提仪ASE300的功能开发,建立了沉积岩石中氯仿沥青“A”抽提的新方法。
Based on the basic function of ASE300 instrument , we established a new method of the chloroform bitumen " A " extracted from sedimentary rocks .
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结论用甲醇-冰醋酸(6∶4,v/v)为溶剂抽提聚合物,模板分子洗脱完全,聚合物性质稳定,对模板分子VLB表现出高度的选择性和特殊的识别性能。
Conclusion Methanol-glacial acetic acid ( 6:4 , V / V ) is an ideal extract solvent for complete template molecule removal from the polymers , and the processed polymers possess stable capacity of specific recognition and selectivity to the template .
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溶剂抽提法制取炼焦煤粘结剂的研究
Research on the binder OTF of coking coal by solvent extraction
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超临界混合溶剂抽提重油基础实验研究
Basic Research Related to Heavy Oil Extraction by Mixed Super-Critical Solvent
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煤的溶剂抽提与抽提物性质的研究
Studies on solvent extraction of coal and the properties of extracts
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直馏抽出油双溶剂抽提的芳烃分离工艺研究
Study on aromatics separation process with double-solvent extraction for straight-run extracted oil
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用有机溶剂抽提直馏柴油中的环烷酸
Organic solvent extraction of naphthenic acids from straight-run diesel oil
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我国特种煤&烛煤溶剂抽提物类型与工艺研究
Study on the Extracts of Special Coal-Cannel and Its Technology
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低熟烃源岩的超强混合溶剂抽提及其地球化学意义
Mixed solvent extraction of immature sources and its geochemical significance
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催化裂化油浆溶剂抽提及其中间相沥青
Extraction of FCC slurry with solvent and the mesophase pitch derived from extract
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N-甲酰吗啉加水溶剂抽提芳烃的液液平衡
Liquid-liquid equilibria for aromatics extraction using n-formylmorpholine + water
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本文针对回收纸的角质化缺陷,从制浆过程对纤维角质化的影响入手,研究了不同化学制浆过程、不同浆得率、有机溶剂抽提去除纤维表面的提取物、冰冻储存对纤维角质化的影响。
This paper studied the influence of pulping process on hornification of fibers .
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重质芳烃溶剂抽提的应用研究
The Applied Study on the Heavy Aromatic Solvent Extraction