The Influence of Ester on Quality of Perfume Hard Liquor 浅析酯对浓香型大曲酒质量的影响
The paper studies the best technological conditions of extracting ginger oleoresin with the acetate ester, inspects the quality of a product and appraises the composition with FTIR. 用正交试验法探索以乙酸乙酯提取生姜油树脂的最佳工艺条件,并对产品质量进行考核,用FTIR光谱仪鉴别成分。
The correlations of serum cholesteryl ester fatty acids with the quality and quantity of dietary fat and with the serum lipid levels were discussed. 文中讨论了血清胆固醇酯脂肪酸组成与饮食脂肪的质和量及血脂水平的关系,并比较了我国与欧美国家人血清胆固醇酯脂肪酸组成。
As a result, Composite solid superacid ( SO 2 - 4 / ZrO 2-Al 2O 3 ) has higher catalytic activity and selectivity. Under the best condition, the yield of ester can reach 96 percent and the quality keeps up with national standard. 实验结果表明,复合型固体超强酸(SO2-4/ZrO2-Al2O3)具有较高的催化活性和选择性,在最佳工艺条件下酯产率可达96%,产品质量符合国标要求。
It is applicable to monitoring analysis when the fumaric acid dimethyl ester is compounded and determines the product's quality or check up the content of the ester. 本方法适用于富马酸二甲酯合成时的监控分析及饲料中该酯含量的检测。