diols

简明释义

英[ˈdaɪɒlz]美[ˈdaɪɑlz]

n. 二醇

英英释义

单词用法

同义词

反义词

例句

1.Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.

合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。

2.Synthetic aliphatic polyesters are synthesised from diols and dicarboxylic acids via condensation polymerisation, and are known to be completely biodegradable in soil and water.

合成脂肪族聚酯二醇的合成及二羧酸经缩合聚合，和已知的完全生物降解土壤和水。

3.We have developed a synthetic method for the preparation of their kind of compounds in high enantioseletive way by lipase-catalyzed desymmetric acetylation of diols.

我们采用酶促法或不对称合成法，建立起对映面选择性地合成这些具季碳氨基酸化合物的有效途径。

4.As temperature increases, the microgels shrink, and the diols would be released.

当温度升高时，由于微凝胶收缩，葡萄糖和茜素红又可以被释放出来。

5.Some chiral diols were also investigated as the ligands, with those derived from indene exhibiting better enantioselectivity.

又考察一些手性二醇配体，其中，茚衍生的配体有着较好的手性诱导性能。

6.The Stability of gem-diols is discussed and interpreted in this paper in terms of thermodynamics and Carbanium Chcmistry.

本文用热力学和碳正离子化学的观点，对同碳二元醇的稳定性进行了讨论。

7.RESULTS the optical rotations and 1h NMR spectrum of the products were in agreement with the chemical structures of the corresponding diols.

结果产物的比旋光度和1H核磁共振光谱(1 H NMR)与相应二醇的化学结构相符。

8.Progress on biodegradable aliphatic-aromatic copolyesters based on aliphatic and aromatic diacids, diols and ester monomers was reviewed.

综述了以脂肪族酯和芳香族酯为单体制备生物可降解脂肪族-芳香族共聚酯的研究进展。

9.Some industrial applications utilize diols (二醇) for their solvent properties.

一些工业应用利用二醇的溶剂特性。

10.In organic chemistry, diols (二醇) are important for creating complex molecules.

在有机化学中，二醇对于合成复杂分子很重要。

11.The synthesis of polyesters often involves diols (二醇) and dicarboxylic acids.

聚酯的合成通常涉及二醇和二羧酸。

12.In the production of plastics, various types of diols (二醇) are used as intermediates.

在塑料生产中，各种类型的二醇被用作中间体。

13.Certain diols (二醇) can act as humectants in cosmetic formulations.

某些二醇可以作为化妆品配方中的保湿剂。

作文

In the world of organic chemistry, various compounds play crucial roles in the development of materials and products we use every day. One such class of compounds is known as diols, which are characterized by having two hydroxyl (-OH) groups in their molecular structure. The presence of these functional groups often leads to interesting chemical properties that can be exploited for various applications. Diols can be classified into different categories based on their structure, such as aliphatic diols and aromatic diols. Aliphatic diols, like ethylene glycol and propylene glycol, have straight or branched chains, while aromatic diols, such as catechol, contain one or more aromatic rings. The significance of diols extends beyond their classification; they serve as important intermediates in the synthesis of polymers, plastics, and other materials. For instance, polyethylene glycol (PEG), a widely used aliphatic diol, is utilized in pharmaceuticals, cosmetics, and food products due to its non-toxic nature and ability to dissolve in water. Furthermore, diols are essential in the production of polyurethanes, which are used in foams, coatings, and elastomers. The versatility of diols makes them invaluable in various industrial processes.Another fascinating aspect of diols is their role in biochemical processes. Certain diols, such as glycerol, are naturally occurring and play vital roles in living organisms. Glycerol, a three-carbon diol, is a key component of lipids, which are essential for cell membrane structure and function. Additionally, diols can participate in metabolic pathways, providing energy and serving as building blocks for more complex molecules. This highlights the importance of diols not only in synthetic chemistry but also in biological systems.While diols offer numerous benefits, it is also important to consider their safety and environmental impact. Some diols can be toxic or harmful if ingested or improperly handled. For example, ethylene glycol is known for its sweet taste, which can attract animals and humans alike, leading to accidental poisoning. Therefore, it is crucial to implement safety measures when working with diols in both industrial and laboratory settings. Additionally, the production and disposal of diols must be managed carefully to minimize environmental pollution and ensure sustainability.In conclusion, diols are a fascinating and diverse group of compounds that play significant roles in both industrial applications and biological systems. Their unique chemical properties and versatility make them essential in the synthesis of various materials, while their natural occurrences highlight their importance in life processes. As we continue to explore the potential of diols, it is imperative to prioritize safety and environmental considerations to harness their benefits responsibly.

在有机化学的世界里，各种化合物在我们日常使用的材料和产品的发展中发挥着至关重要的作用。其中一种被称为二醇的化合物，其特征是分子结构中含有两个羟基（-OH）基团。这些官能团的存在通常会导致有趣的化学性质，可以用于各种应用。二醇可以根据其结构分为不同的类别，例如脂肪族二醇和芳香族二醇。脂肪族二醇，如乙二醇和丙二醇，具有直链或支链结构，而芳香族二醇，如儿茶酚，则包含一个或多个芳香环。二醇的重要性不仅仅体现在其分类上；它们是聚合物、塑料和其他材料合成中的重要中间体。例如，聚乙烯醇（PEG）是一种广泛使用的脂肪族二醇，由于其无毒性和溶于水的能力，被广泛应用于制药、化妆品和食品产品。此外，二醇在聚氨酯的生产中也是必不可少的，聚氨酯用于泡沫、涂料和弹性体。二醇的多功能性使其在各种工业过程中变得不可或缺。二醇的另一个迷人方面是它们在生化过程中的作用。某些二醇，例如甘油，是天然存在的，在生物体中发挥着重要作用。甘油是一种三碳二醇，是脂质的关键成分，脂质对细胞膜的结构和功能至关重要。此外，二醇可以参与代谢途径，为更复杂的分子提供能量和作为构建块。这突显了二醇在合成化学和生物系统中的重要性。虽然二醇提供了许多好处，但考虑到其安全性和环境影响也很重要。一些二醇在摄入或处理不当时可能是有毒或有害的。例如，乙二醇以其甜味而闻名，这可能吸引动物和人类，从而导致意外中毒。因此，在工业和实验室环境中与二醇一起工作时，实施安全措施至关重要。此外，必须小心管理二醇的生产和处置，以最小化环境污染并确保可持续性。总之，二醇是一类迷人且多样的化合物，在工业应用和生物系统中发挥着重要作用。它们独特的化学性质和多功能性使它们在各种材料的合成中至关重要，而它们的自然存在则突显了它们在生命过程中的重要性。随着我们继续探索二醇的潜力，优先考虑安全和环境考虑是至关重要的，以负责任地利用它们的好处。