查询词典 furfural

And the use of liquid chromatography to the determination of furfural oil in a transformer insulating oil-immersed supervision of the new method.

而利用液相色谱法对油中糠醛的测定是一种油浸式变压器绝缘监督的新方法。

The main products of xylose decomposition were furfural and formic acid.

在实验范围内，木糖分解反应的活化能为123.27kJ／mol。

Furfural refining of lube oil is the main and extremely important technique of solvent refining in china at present.

目前，润滑油糠醛精制是我国润滑油溶剂精制的主要精制工艺，它在我国的润滑油加工中占有极其重要的地位。

A total of xylan hydrolysis with strong acid, is prepared on industrial furfural method.

木聚糖与强酸共热水解，是工业上制备糠醛的方法。

The effect of several variables such as temperature, concentration of acetic acid and initial concentration of xylose on furfural yield was studied.

考察了催化剂浓度、温度和木糖溶液初始浓度对糠醛收率的影响。

And phenol resin can be synthesized through the reaction of 5-hydroxymethyl furfural and phenols.

随着我国国民经济的发展、人民生活水平的提高和环保意识的增强。

The development and application of furfural extract oil produced by Ji'nan Refinery in rubber industry are mainly presented.

主要介绍济南分公司的糠醛抽出油在橡胶工业方面的开发和应用情况。

The content of furfural remained in refined coker diesel is decreased by the method of cut and flash evaporation .

采用切割闪蒸的方法可降低精制焦化柴油中糠醛的含量。

After analysing the condition of furfural alcohol production, the paper points out that the main

本文分析了当前糠醇生产的现状，指出液相法加氢工艺是糠醇生产的主流工艺，铜铬催化剂由于其本身具有良好的性能在糠醇生产中仍然占有重要地位

The structure of furfural acetone was proved by elementary analysis and IR spectrum data.

产物用元素分析和红外光谱进行了确证。

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。