乙酰丙

Levulinic acid,which has good reactive activity,is an important green platform chemical.

乙酰丙酸具有良好的反应活性，是一种重要的绿色平台化合物。

Furthermore, the synthesis of diphenolic acid with levulinic acid as raw material was also studied.

并以合成双酚酸为例开展了乙酰丙酸的应用研究。

As a new kind of green platform chemicals, levulinic acid has highly attracted the attention for its wide range of applications.

在众多的化工产品中，乙酰丙酸是一种新型的绿色平台化合物，因其广泛的用途而备受关注。

The fraction between the temperature range of 130℃ and 160℃ wascollected and the levulinic concentration was 98%.

洗脱液经浓缩后，在0.00266MPa下精馏，收集130℃-160℃的馏分，最终得到乙酰丙酸的纯度为98％。

This study proposed a method for making levulinic acid using abundant wheat straw.

本研究考查了利用小麦秸秆为原料制备乙酰丙酸的工艺条件。

As a new chemical platform and a pharmaceutical intermediates, Levulinic acid uses extensively as an important chemical raw materials.

作为制备多种化工产品的新型平台化合物和医药中间体，乙酰丙酸用途广泛，是重要的化工原料。

As a new kind of green platform chemical s, levulinic acid has highly attracted the attention for its wide range of applicati.

在众多的化工产品中，乙酰丙酸是一种新型的绿色平台化合物，因其广泛的用途而备受关注。

The production of diphenolic acid from levulinic acid and phenol catalyzed by hydrochloric acid was studied.

论文研究了以乙酰丙酸和苯酚为原料，以盐酸为催化剂催化合成双酚酸的工艺。

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。

Levulinic acid was prepared by solid SO4(superscript 2-)/Al2O3-TiO2 catalyst from cellulose in water.

以纤维素为原料，固体SO4(上标 2-)/Al2O3-TiO2为催化剂，以水为溶剂制备乙酰丙酸。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。