乙酰丙

In addition, the effects of temperature and concentration of sulfuric acid on the concentration of LA and 5-hydroxymethyl furfural were shown.

实验考察了不同温度和硫酸浓度对葡萄糖分解的主要产物5-羟甲基糠醛和乙酰丙酸浓度的影响。

In this paper, the six typical reactions of LA were reviewed, including salification, esterification, hydrogenation, condensation, oxidation and halogenation.

乙酰丙酸是生物质资源直接水解的重要产物，可以用可再生资源大规模制备。

Objective To investigate the photodynamic therapy of human erythroleukemia cell line K562 and drug-resistance cell line K562/ADM using hexyl 5-aminolevulinate is vitro.

目的 探讨5-氨基乙酰丙酸己酯－光动力疗法对人红白血病细胞株K562及其耐阿霉素细胞株K562/ADM的杀伤效应。

In this work, a new process based on ion-exchange and high vaccumn distillation was developed. A weak alkalic ionexchange resin, D301, was screened out.

本文研究开发了以离子交换树脂法和真空精馏结合分离提纯乙酰丙酸的新工艺。

Except the difference in the values of model parameters, the model was also appliable to the degradation process of sawdust.

除了模型参数的差别外，所建立的模型能推广应用到以木屑为原料降解生成乙酰丙酸的过程。

Using levulinic acid and phenol as raw materials, hydrochloric acid as catalyst and thioglycolic acid as assistant catalyst, the synthesis technology of diphenolic acid, a new polymer material substitution for biphenol A, was investigated.

研究了以苯酚和新型平台化合物乙酰丙酸为原料，采用盐酸为催化剂、巯基乙酸为助催化剂催化合成高分子材料单体双酚酸的合成工艺。

In the bromization reaction of LA,the reaction conditions such as reaction temperature,drop time of Br_2 and reaction medium were optimized.

以来源于生物质资源的乙酰丙酸为原料，通过改进的溴化和水解反应合成了5-HLA。

Studies on the effects of 5-aminolevulinic acid with concentrations 50-200 mg/L on the photosynthesis and antioxidant enzyme activities of watermelon Citrullus lanatus Thunb.

50-200mg／L 5-氨基乙酰丙酸处理显著提高了秋冬季塑料大棚中西瓜幼苗叶片净光合速率、气孔导度、细胞间隙CO_2浓度和蒸腾速率。

Insecticidal activities of 5-aminolevulinic acid on Oxya chinensis and the effect on activities of three enzymes were studied.

研究5-氨基乙酰丙酸(5-aminolevulinic acid，ALA)对中华稻蝗的杀虫活性及对3种酶活性的影响。

Levulinic acid is a kind of new platform chemicals.

乙酰丙酸是一种新型的平台化合物。

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。