This paper compares data of carotenoids content obtained from six different extraction solvent systems which have been reported according to the same extraction procedure.
本文对不同类型的材料，采用报道的六种不同的提取溶剂系统按相同的步骤进行提取，比较总类胡萝卜素的含量。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法，用卡尔·费休法测定时又可选用不同的萃取剂。
The orthogonal test was used to study the different factors that influence the solvent extraction of tobacco, and then the optimum testing conditions of extraction were determined.
对分子蒸馏分离烟草提取物的溶剂进行了研究。利用正交试验设计研究了影响溶剂萃取的各种因素，并确定了较合理的萃取条件。
The effects of different solvents, solvent amount, extraction time and times, and ultrasonic wave power were explored.
探讨了不同提取剂，提取的剂用量、提取时间、次数及超声波功率对提取效果的影响。
The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.
考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。
The effects of different operating conditions on the catalytic hydrodearomatization of 6 extraction solvent oil are investigated.
抽提溶剂油催化加氢脱芳烃的研究，考查了不同操作条件下6~?。
The fractional extraction on Longkou lignite by different solvent was used for the studying of the occurrence modes and the variations of small molecular phases in coal.
研究煤萃取后的小分子相的赋存方式及其变化规律，用不同溶剂对龙口褐煤进行了分级萃取。
The effects of sample concentration, ultrasonic extraction time, and different extracting solvent on the extraction of volatile microconstituents were also investigated.
研究了样品萃取量、超声波萃取时间、以及不同萃取溶剂对微量挥发性成分萃取效果的影响。
The flavones of Artemisia anomala S Moore were extracted under different conditions, the result showed that temperature, time and solvent volume can affect the extraction efficiency.
在不同条件下提取六月霜花果中总黄酮，结果表明：提取温度、提取时间和溶剂体积对总黄酮提取量都有不同程度的影响。
Different techniques as mechanical pressing, diffusion process and the solvent extraction were tested and compared, and their suitability for industrial application discussed.
研究对比压榨法、油脂扩散渗透法和有机溶剂萃取法的优缺点，探讨其在工业生产上的可行性。
Solvent extraction is a kind of effective method in separating and purifying rare earth. The result of extraction and separation of different extractants is different.
溶剂萃取法是分离提纯稀土的一种有效方法，由于萃取剂的不同导致萃取分离稀土元素的效果不一。
Ultrahigh molecular weight polyethylene fibers(UHMWPE) of different gel concentration were prepared using gel spinning process followed by solvent extraction, drying and drawing.
采用凝胶纺丝工艺制备了具有不同质量分数的超高分子质量聚乙烯凝胶纤维，并对其进行了萃取干燥和后拉伸等处理。
Ultrahigh molecular weight polyethylene fibers(UHMWPE) of different gel concentration were prepared using gel spinning process followed by solvent extraction, drying and drawing.
采用凝胶纺丝工艺制备了具有不同质量分数的超高分子质量聚乙烯凝胶纤维，并对其进行了萃取干燥和后拉伸等处理。
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