查询词典 furfural

The results showed that the first canonical correlation coefficient between aldehydes, ketones, esters and the total quantity of each kind of ingredient and smoking quality achieved 5 % or 1 % remarkable level. And their correlation depended mainly in the correlation between phenylacetaldehyde, furfural, megastigmatrienone-1, megastigmatrienone-3, geranylacetone,β-damascenone, keto-isophorone, dihydroactinidiolide and smoking quality.

结果表明：醛类成分、酮类成分、酯类成分与香气质、香气量的第一典型相关系数达到5%或1%显著水平，各类成分总量与香气质、香气量的第一典型相关系数达到1%极显著水平，其相关关系主要表现在苯乙醛、糠醛、巨豆三烯酮1、巨豆三烯酮3、香叶基丙酮、β-大马酮、氧化异佛尔酮、二氢猕猴桃内酯等成分与香气质、香气量的相关上。

And the characteristics of body their trace components are as follows: Luzhou－flavour liquor has ethyl caproate the main flavour component with its content 160～250mg/100ml (above 40％ of total ester); Fen－flavour liquor has ethyl acetate the main body flavour component, above 50％ of total ester, and the content of ethyl lactate and ethyl acetate above 90％ of total ester; Tte main body flavour component of Maotai－flavour liquor is still uncertain, and it has higher furfural content (260mg/100ml); Sanhua－flavour liquor,β－phenethyl alcohol is a special characteristic for it and the content of ethyl lactate is 73％ of total ester; In other flavour liquors,the specific flavouring components vary because of different types.

其微量成分特征为：浓香型白酒以己酸乙酯为主，含量在160～250mg/100ml，占总酯40％以上；清香型白酒以乙酸乙酯为主体香，占总酯的50％以上，乙酸乙酯与乳酸乙酯的含量占总酯90％以上；酱香型白酒的主体香暂无定论，其糠醛含量较高，达260mg/100ml；米香型白酒以β－苯乙醇为特征成分，乳酸乙酯含量占总酯高达73％。其他香型白酒因门类不同，以数种成分为其特征。

The decoloration ratio of cornhusk hydrolysate was 92.27%. 75% of furfurol, 53% of 5-hydroxymethyl furfural and 98% of polyphenol compounds were removed, and the loss of total sugar was below 5%.

在此工艺条件下，水解液的脱色率为92.27%，糠醛脱除率75%，5-羟甲基糠醛脱除率53%，多酚类化合物脱除率98%，总糖损失低于5%。

The design of the annual output of 20,000 tons of furfural decarbonization Section of Furan Process design, this design referred to the Qian Guo Petrochemical Company polytetrahydrofuran project production process principle, Process and equipment.

本设计是年产2万吨糠醛脱羰制呋喃工段的工艺设计，此设计参照了前郭石化分公司聚四氢呋喃项目的生产工艺原理、流程及设备。

Two production methods for preparing furan through decarbonylation of furfural were introduced: i.

介绍糠醛脱羰法制备呋喃的2种生产方法：液相法和气相法。

These have limited the development of furfural production. In this paper, one-stage process was reviewed briefly. Two-step process and current development of furfural production were discussed.

本文在对一步法的生产工艺进行概要介绍的基础上，重点对两步法糠醛生产工艺以及糠醛生产工艺的最新进展进行了讨论。

Therefore, this thesis focuses on the detailed introduction of furfural industry and itsinfluence on the environment at first, and also the probability and feasibility of developmentconcerning the furfural industry in Jilin province is analyzed.

为此，本文首先对糠醛产业及其对环境的影响做出了较为详细的介绍，并结合吉林省具有黄金玉米带的优势，分析了糠醛产业在吉林省发展的可能性和可行性。

The results showed that the conversion reaction of hexose into hydroxymethyl furfural was the primary cause of forming the furfurals, and the efficiency of pentose transforming into furfural was lower.

试验结果表明：己糖转化为羟甲基糠醛的反应是水解液中糠醛类物质产生的主要原因，而戊糖向糠醛的转化率较低。

Furfural laws to furfural as raw material, derived by oxidation of sodium chlorate.

糠醛法 以糠醛为原料，经氯酸钠氧化而得。

Some technologies,including olefines from methanol,oxalates and ethylene glycol from carbon monoxide,carbon dioxide-based polymers,chemicals from the syngas prepared by biomass gasification,acetone and butanol by fermentation,and chemicals from acetylene,ethanol,glycerol,furfural,hydroxymethyl furfural and starch,were reviewed.

包括甲醇制烯烃，一氧化碳制草酸酯和乙二醇，乙炔化学品，二氧化碳聚合物，生物质气化合成化工产品，发酵法生产丙酮、丁醇，乙醇衍生化工产品，甘油合成化工产品，糠醛和羟甲基糠醛合成化工产品，淀粉合成化工产品等重要的石油替代化学品生产技术被介绍。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。