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- The selectivity calculated shows that furfurol is an excellent extraction solvent for separating FCC slurry. 计算所得选择性表明糠醛是分离FCC油浆的有效溶剂。
- Ethanol was the best extraction solvent, and continuous reflux extraction was the most appropriate extraction method. 结果表明,乙醇为瑞香狼毒根的最佳提取溶剂,连续回流提取法为其最佳提取方法。
- The selection of extraction solvent and acidity of stripping agent, and the effect of interferencing ion were studied. 并对测定过程中有机萃取剂,反萃酸度的选择及干扰离子的影响进行了探讨。
- The results shows that extraction solvent is extremely important for carotenoid analysis of different materials a... 结果表明,材料的类型对于提取溶剂的选择极其重要,溶剂的选择不当,将造成类胡萝卜素提取得不完全。
- The n-pentane is one of good extraction solvents. 正戊烷是一种优良的浸出溶剂。
- The extraction solvent of chemical extraction had pois on which could cause some pollution and toxicity. 化学萃取法的提取溶剂有毒,会造成一定的污染和毒害。
- Conclusion: The imperialine extraction efficiency is greatly affected by the extraction solvent. 5)的西贝素的提取效率最高。
- Selecting a more suitable extraction solvent is highlighted by oil technologists in each country. 因此,选择更适宜的浸出溶剂为各国油脂工作者所重视。
- RESULTS: The extraction rates was affected by extract solvent, extract times, Coccus- solvent ratio and extract temperature. 结果:乙醇浓度、提取次数、料液比和提取温度影响胭脂虫红酸提取效率。
- According to the total content and DI of anthocyanin in lychee, the state of anthocyanin degradation in extraction solvent is obviously observed. 荔枝果皮总花色苷及花色苷降解指数可以很好地反映出提取液中花色苷的降解情况。
- A heavy,colorless,toxic liquid,CHCl: CCl2,used to degrease metals,as an extraction solvent for oils and waxes,as a refrigerant,in dry cleaning,and as a fumigant. 三氯乙烯一种比重大、无色、有毒的液体CHCl:CCl2,用作金属的去油剂、油类和蜡的萃取溶济、冷却剂和熏剂,也用于干洗中。
- A heavy, colorless, toxic liquid, CHCl: CCl2, used to degrease metals, as an extraction solvent for oils and waxes, as a refrigerant, in dry cleaning, and as a fumigant. 三氯乙烯一种比重大、无色、有毒的液体chcl:ccl2,用作金属的去油剂、油类和蜡的萃取溶济、冷却剂和熏剂,也用于干洗中
- Objective An extraction process for pectin from pineapple residue was studied using ammonium oxalate as the extraction solvent combined with ultrasonication. 目的:探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
- Formic acid/H2O2 catalysis oxidation system was used to remove organo-sulfur compounds in VGO with assistance of ultrasound irradiation and DMF as extraction solvent. 选用甲酸/H2O2为催化氧化体系,DMF为抽提溶剂,在超声波的作用下,催化氧化脱除直馏蜡油中的硫化物。
- The essential oil was obtained from the fresh aerial parts of coriander (coriandrum sativum L) by Soxhlet's extraction in 0.252% yield with ethyl ether as extraction solvent. 摘要以乙醚为溶剂,采用索式萃取法萃取新鲜香菜,以0.;252%25的产率获得了芳香精油。
- Using various extraction solvent to distill polysaccharide and protein of Codonopsis pilosula, and atomic absorption spectrometer to determine the selenium content of all component parts. 采用不同的浸提液提取党参中的多糖和蛋白质,用原子吸收法测定它们各组分中的含硒量。
- Choosing Nitroso-R-salt as extraction solvent and emplying Tween80-Na2SO4- H2O liquid-solid extraction system, the experiment was made to analyze the elements influencing the extration rate Co-NRS chelate. 通过具体实验,以亚硝基R盐为萃取剂,对吐温80-硫酸钠-水液-固萃取体系中,影响Co-NRS螫合物萃取率的因素进行了分析。
- This study gives the prime reference for the new technology of alcoholic fermentation with immobilized yeast coupling with extractive solvent. 为固定化酒精酵母乙醇发酵与溶剂萃取耦合新工艺的开发研究提供初步资料。
- Therefore, the ethyl acetate is the optimal extracting solvent to distill the active compounds from Helianthus tuberosus leaves. 4. 菊芋叶片乙酸乙酯提取物对四种病原真菌抑制效果最为显著,因此乙酸乙酯是菊芋叶片中抑菌活性物质的最佳提取溶剂。
- The optimumextractiontechnology for Fructus kochiae oil was determined through orthogonal test.[Result]When petroleumether was extraction solvent,the oil extractionrate was the highest. [结果]石油醚作提取溶剂时,提油率最高;