esterification

简明释义

英[eˌsterɪfɪˈkeɪ,ʃən]美[eˌsterəfəˈkeɪʃn]

n. 酯化（作用）

英英释义

单词用法

同义词

反义词

例句

1.Enoxaparin sodium was prepared from heparin sodium via salinization, esterification, depolymerization and purification.

以肝素钠为原料，经成盐、酯化、解聚和纯化得到依诺肝素钠。

2.At the same time the esterification of black rice pigment was analysed by infrared spectrum, visible spectrum and solubility.

同时通过红外光谱、可见吸收光谱及溶解性对黑米色素的酯化进行了初步探讨。

3.The kinetics of esterification is discussed and kinetic equation set up.

探讨了酯化的动力学，并建立了动力学方程。

4.Under optimum reaction conditions, esterification degree of para-hydroxybenzoate chitosan ester was 130%, and yield reached 80%.

在适宜的反应条件下，对羟基苯甲酸壳聚糖酯酯化度可达130%、得率80%以上。

5.The delustrant adding position was moved from slurry autoclave to second esterification autoclave.

介绍消光剂加入位置由浆料釜改为第二酯化釜的情况。

6.The effects of esterification and graft copolymerization on surface free energy of wood were analyzed.

确定了木材的酯化和接枝共聚改性对木材表面自由能变化的影响因素。

7.The chemical method include treating with sulfuric acid, saponification, acylation, esterification, etc.

化学方法包括酸洗法、皂化法、酰化法和酯化法等。

8.Ferric chloride can be ased as catalyst for the esterification instead of Sulphuric acid.

氯化铁能够代替硫酸作为酯化作用的催化剂。

9.The effects of reaction temperature and catalyst on esterification has been discussed.

讨论了反应温度、催化剂对酯化过程的影响。

10.The process of esterification is essential in the production of biodiesel from vegetable oils.

在从植物油生产生物柴油的过程中，酯化反应是至关重要的。

11.During the esterification reaction, an alcohol and a carboxylic acid combine to form an ester.

在酯化反应中，一种醇和一种羧酸结合形成酯。

12.The chemist explained that esterification can be catalyzed by acids or bases.

化学家解释说，酯化反应可以通过酸或碱催化。

13.In food chemistry, esterification plays a key role in flavor development.

在食品化学中，酯化在风味发展中发挥着关键作用。

14.The formation of synthetic fragrances often involves esterification of fatty acids.

合成香料的形成通常涉及脂肪酸的酯化反应。

作文

Esterification is a chemical reaction that plays a crucial role in organic chemistry. It involves the formation of esters, which are compounds derived from acids and alcohols. The process of esterification (酯化反应) typically occurs when a carboxylic acid reacts with an alcohol, resulting in the release of water and the formation of an ester. This reaction is not only significant in laboratories but also in various industrial applications, including the production of fragrances, flavors, and polymers. To better understand esterification (酯化反应), let’s consider its mechanism. When a carboxylic acid and an alcohol are mixed, the hydroxyl group (-OH) from the acid and the hydrogen atom (H) from the alcohol combine to form water (H2O). The remaining parts of the acid and alcohol then bond together, creating an ester. This reaction can be catalyzed by an acid, which speeds up the process and increases the yield of the ester produced. The importance of esterification (酯化反应) extends beyond academic interest; it is heavily utilized in the manufacturing of various products. For instance, in the food industry, esters are responsible for many of the flavors and aromas we enjoy. The fruity scents of strawberries, bananas, and apples are largely due to the presence of esters. These compounds are synthesized through esterification (酯化反应) processes, making them essential for flavoring agents in food products. Moreover, esters are not just limited to the culinary world. They are also key ingredients in the production of synthetic materials. Polyesters, for example, are created through the esterification (酯化反应) of diols and dicarboxylic acids. These materials are widely used in textiles, packaging, and even in the automotive industry due to their durability and versatility. The ability to manipulate the esterification (酯化反应) process allows chemists to design esters with specific properties tailored for particular applications. In addition to their practical uses, esters and the esterification (酯化反应) process have significant implications in biological systems. Many natural processes involve esterification, such as the formation of triglycerides, which are essential for storing energy in living organisms. The understanding of esterification (酯化反应) is vital for biochemistry, as it helps explain how fats and oils are synthesized and broken down within cells. Furthermore, the study of esterification (酯化反应) has opened doors to advancements in pharmaceuticals. Many drugs are esters or are derived from esterification reactions. By modifying the structures of these compounds, chemists can enhance their effectiveness and reduce side effects, leading to improved therapeutic outcomes. In conclusion, esterification (酯化反应) is a fundamental reaction in organic chemistry with wide-ranging applications in various fields, including food, materials science, biology, and medicine. Its significance cannot be overstated, as it not only contributes to our everyday experiences, such as the flavors we taste and the materials we use, but also plays a critical role in advancing scientific knowledge and technology. Understanding esterification (酯化反应) is essential for anyone interested in the life sciences, chemistry, or industrial processes, making it a key topic in both education and research.

酯化反应是一种在有机化学中起着至关重要作用的化学反应。它涉及酯的形成，酯是由酸和醇衍生出的化合物。酯化反应通常发生在羧酸与醇反应时，导致水的释放和酯的形成。这一反应不仅在实验室中具有重要意义，而且在各种工业应用中也被广泛使用，包括香料、香味和聚合物的生产。 为了更好地理解酯化反应，让我们考虑一下它的机制。当羧酸和醇混合时，来自酸的羟基（-OH）和醇中的氢原子（H）结合形成水（H2O）。酸和醇的其余部分随后结合在一起，形成酯。这一反应可以通过酸催化，从而加速过程并提高所产生酯的产量。 酯化反应的重要性不仅限于学术兴趣；它在各种产品的制造中被广泛利用。例如，在食品工业中，酯是我们享受的许多风味和香气的来源。草莓、香蕉和苹果的果香主要归因于酯的存在。这些化合物是通过酯化反应过程合成的，因此在食品产品的调味剂中至关重要。 此外，酯不仅局限于烹饪领域。它们也是合成材料生产中的关键成分。例如，聚酯就是通过二醇和二羧酸的酯化反应制成的。这些材料由于其耐用性和多功能性，被广泛用于纺织品、包装，甚至汽车工业。操控酯化反应的能力使化学家能够设计出具有特定性质的酯，以满足特定应用的需求。 除了实际用途，酯和酯化反应过程在生物系统中也具有重要意义。许多自然过程涉及酯化，例如甘油三酯的形成，这对于储存生物体内的能量至关重要。理解酯化反应对生物化学至关重要，因为它有助于解释脂肪和油在细胞内的合成和分解。 此外，酯化反应的研究为制药行业的进步开辟了新的道路。许多药物是酯或源自酯化反应。通过修改这些化合物的结构，化学家可以增强其有效性并减少副作用，从而改善治疗效果。 总之，酯化反应是有机化学中的一种基本反应，在食品、材料科学、生物学和医学等多个领域具有广泛的应用。它的重要性不容低估，因为它不仅影响到我们日常的体验，如我们品尝的风味和使用的材料，而且在推进科学知识和技术方面也发挥着关键作用。理解酯化反应对任何对生命科学、化学或工业过程感兴趣的人来说都是至关重要的，使其成为教育和研究中的一个关键主题。