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Based on present public system of light raw material MEK toluol unit, a heavyraw material MEK toluol unit with two or three isothermal filtering stages wasdesigned to produce microcrystalline wax and path asphalt concocting componentfrom furol extracting oil simultaneously.

本项目是依托现有轻质酮苯装置的公用系统,新建一套重质酮苯脱油装置,采用两段等温过滤加工轻脱油生产微晶蜡,并兼顾加工劣质裂化原料、糠醛抽出油生产道路沥青调合组分、橡胶填充油及优质催化原料。

The bio-oil was composed of acetic acid, hydroxyacetaldehy, acetol, levoglucosan, furaldehyde, and a small quantity of phenols.

结果表明,热解温度为460~520℃时热解油产率最大,主要有醋酸、羟基乙醛、羟基丙酮、左旋葡聚糖、糠醛,油热值为17.0MJ.kg-1;热解气主要为CO2和CO,还含有少量H2、CH4和C2~C4的烯烃。

The results showed that:1 78 volatile constituents were identified in the oil,which were mainly caryophyllene,1,5,9,9-tetramethyl-1,4,7-cycloundecatriene,germacrone,eudesmol and furfural,etc.2 The aroma quality and intensity of cigarette were improved,irritation was reduced,and a...

结果表明:①满山红挥发油中共鉴定出78种挥发性成分,主要有石竹烯、1,5,9,9四甲基-1,4,7环十一碳三烯、杜鹃酮、桉叶醇和糠醛等;②该挥发油具有提高B2F和C3F等香气质和香气量,降低刺激性和改善余味的作用。

Results In different seasons cooling conditions,a different location on the same sterilization 5Qiangjia base fur fural content different.

结果:不同季节不同降温条件、同一灭菌车上不同位置5羟甲基糠醛含量不同。

Results In different seasons cooling conditions,a different location on the same sterilization 5Qiangjia base fur fural content different.

5羟甲基糠醛检测取样位置在灭菌车次上层中央位置;夏季高温季节要注意灭菌后降温。

Amount of 2 furaldehyde were increased with the increase of acetic acid aqueous solution concentration from 0 to 3%,and almost constant from 3% to 30%.

当醋酸浓度从0至3%时,糠醛的收量随着增加,但是当醋酸浓度从3%增至30%时,其收量却几乎不变。

Half-micro-quantum experiment on synthesis of furfuryl alcohol and furoic acid ;2. The silver oxide catalytic oxidation of furfurol in manufacturing furoic acid was improved.

2呋喃甲酸是糠醛在人体中的代谢产物,可做为防腐剂、熏蒸剂等,本文报道[Nd(C4H3OCOO)2·NO3·C10H8N2]2配合物的合成和单晶X射线衍射分析结果。

Amorphous alloys represent a variety of special materials with short-range ordering while long-range disordering structure which may provide pathways to the excellent catalytic properties, i.e., good anti-poisoning ability, the higher catalytic activity and selectivity in homogeneous hydrogenation of a,p-unsaturated aldehyde, the low and even none environment pollutionUp to now, in hydrogenation of furfural to furfuryl alcohol, the most commonly used catalysts are Cu-Cr dopant Cu-Cr, and Raney Ni et al.

目前,在糠醛催化加氢反应中所用的催化剂主要有Cu-Cr和修饰的Cu-Cr以及Raney Ni等,Cu-Cr催化剂毒性较高,对环境构成严重的危害,而且易阻塞反应器。

The effects of temperature, organic acids and residence time on the yields of 5-hydromethylfurfural (5-HMF) and levulinic acid were investigated.

对不同温度、有机酸和反应停留时间对果糖分解的主要产物——5-羟甲基糠醛(5-HMF)和乙酰丙酸收率的影响进行了考察。

ObjectiveTo investigate the changes of 5-HMF contents in Ligustrum lucidum Ait before and after processing.

目的研究女贞子炮制前后5-羟甲基糠醛(5-hydroxymethyl furfural,5-HMF)的含量变化。

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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。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?