查询词典 acetacetic ester

Furthermore, the important fragment which is composed of pentenyl cinnamic acid and D-Tyrosine, and the ester which is composed of L-N-methylated phenyl amino acid and diketopiprazine was synthesized with considerable yield The conjugation of the new DOPA analogue into the peptide in the total synthesis of Pepticinnamin E was investigatited

另外，本文作者还进一步合成了高收率的戊烯基肉桂酸衍生物与D-酪氨酸的缩合片段及L-N-甲基苯丙氨酸与哌嗪二酮的酯两个重要的结构组成部分；对新多巴衍生物片段嵌入肽链中的工作亦进行了有益的尝试。

Make a summary for having discussed that the dry law and microwave do law along butylene diacid Shan ester composing amylum.

讨论了干法和微波干法合成淀粉顺丁烯二酸单酯。

The processing of glass-reinforced plastic cover for Model 16 Hooker electrolyzer with vinyl ester based unsaturated polyester resin was introduced.

叙述了用乙烯基酯不饱和聚酯树脂制作虎克－16型玻璃钢电解槽盖的施工方法，介绍了乙烯基酯不饱和聚酯树脂的性能。

On the electronegative elements, bonding electron number and bonded hydrogen atomic number, new molecular topological index is developed to do research on creaturely activity for alcohol, aether, ketone and ester in this paper.

基于元素的Pauling电负性，原子成σ键的电子数，原子直接键连的成σ键的氢原子数目和原子在形成离域π键时所提供的P电子数，定义了一种原子点价公式，构建了分子连接性指数。

Our main products are: 130 polyester enamelled copper round wire, 155 modified polyester enamelled copper round wire, 180 polyester-imide enamelled round copper wire, 200 polyester-imide / PA ester imide compound enamelled copper round wire, high strength acetal enamelled round copper to grade, B grade, F grade, H-class straight Solderability enamelled copper round wire polyurethane.

我们的主要产品有：130级聚酯漆包铜圆线、155级改性聚酯漆包铜圆线、180级聚酯亚胺漆包铜圆线、200级聚酯亚胺/聚酰胺酯亚胺复合漆包铜圆线、高强度缩醛漆包铜圆、以级、B级、F级、H级的直焊性聚氨酯漆包铜圆线。

The suitability of fatty acid ester as diesel fuel results from their molecular structure and high energy content.

脂肪酸酯作为发动机燃料的可行性来自于其分子结构和较高的能量密度。

A novel rearrangement reaction of enol ester epoxide upon treatment of methoxide was first discovered, which could generate two key essential functions for ring cyclization, C5-OH and 7, 11-double bond in one step.

烯醇酯环氧化物在甲醇钠处理下一步反应派生出两个关环所需的重要官能团：C5-OH和7，11-双键；2。

Additionally, the quantum chemical study on the isomeriaation mechanism of the enol ester of 2-acyl-l,3-cyclohexanedione was performed, which was discovered by Yang when he synthesized the derivate of 2-acyl-l,3-cyclohexanedione.

第三部分工作是对杨定亚在合成2-酰基-1，3-环己二酮类化合物的衍生物时意外发现的烯酯异构化反应机理进行了研究。

It was identified that the volatile components of mulberry fruit sparkling wine prepared by College of Enology, Northwest Sci-Tech University of Agriculture and Forestry are mainly composed of alcoholic and ester compounds (accounting for 83.72%). The wine had a pleasant aroma characteristic of typical and rich mulberry fruit.

鉴定西北农林科技大学葡萄酒学院研制开发的桑椹汽酒挥发性成分以醇类和酯类化合物为主（占83.72%），酒中香气比较纯正，有典型、浓郁的桑果果香。

Those who use rich tall flexibility is thermoplastic the sole that polyurethane material squashs or injects, with its admirable flexibility and; of wearability develop a school of one's own use epispastic small Kong Ju ammoniac ester material makes sole, outside dividing all superior performance that have itself, still make large base to light quantified development to stride one stride.

用富有高弹性的热塑性聚氨酯材料挤压或注射的鞋底，以其极佳的柔韧性和耐磨性独树一帜；用发泡的微孔聚氨酯材料制作鞋底，除具有本身的一切优异性能外，还使大底向轻量化发展迈进了一大步。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。