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首页> 外文期刊>Renewable energy >Analysis of 22 vegetable oils' physico-chemical properties and fatty acid composition on a statistical basis, and correlation with the degree of unsaturation
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Analysis of 22 vegetable oils' physico-chemical properties and fatty acid composition on a statistical basis, and correlation with the degree of unsaturation

机译：在统计基础上分析22种植物油的理化性质和脂肪酸组成，并与不饱和度相关

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摘要

The aim of the current work was to gather the largest possible sample of published data for vegetable oils properties, and conduct a statistical analysis in order to evaluate average values for all properties and for their fatty acid composition. A second objective was to investigate possible correlations between the properties and the degree of unsaturation. In order to achieve both tasks, the available literature on vegetable oils properties and their fatty acid composition was scanned from many well-established databases. In total, 695 papers were gathered that provided 550 different data series of oils properties and 536 of fatty acid composition, for 22 different oils. From the statistical analysis, collective results were derived for each property and quantified based on the specific oil. The effects of unsaturation were investigated too with separate best-fit linear curves provided for each interesting property with respect to the average number of double bonds. Unlike biodiesels, however, only a few (moderately) significant statistical correlations could be established between the vegetable oils properties and the degree of unsaturation, namely for cetane number, cloud and pour point and oxidation stability. (C) 2018 Elsevier Ltd. All rights reserved.
机译：当前工作的目的是收集最大的植物油特性公开数据样本，并进行统计分析，以评估所有特性及其脂肪酸组成的平均值。第二个目的是研究性质和不饱和度之间的可能相关性。为了完成两项任务，从许多公认的数据库中扫描了有关植物油特性及其脂肪酸组成的现有文献。总共收集了695篇论文，为22种不同的油提供了550个不同的油特性数据系列和536个脂肪酸组成数据。通过统计分析，可以得出每种特性的综合结果，并根据特定的油进行定量。对于双键的平均数，还针对每个有趣的特性提供了单独的最佳拟合线性曲线，研究了不饱和的影响。但是，与生物柴油不同的是，在植物油的性质和不饱和度之间（即十六烷值，浊点和倾点以及氧化稳定性）只能建立一些（中等）显着的统计相关性。 （C）2018 Elsevier Ltd.保留所有权利。

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