isomerization

简明释义

英[aɪsɒməraɪˈzeɪʃən]美[aɪˌsɒmərəˈzeɪʃən]

n. [化学] 异构化；异构化作用

英英释义

单词用法

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例句

1.The obtained results show the isomerization reaction first forms a four membered ring transition state and then the product is got.

研究结果表明该异构化反应先形成一个四元环过渡态而后转变为产物。

2.The thermal isomerization of Pinane is studied at high temperature and Atmospheric pres are.

本文报道了蒎烷在高温下进行热异构化反应的研究。

3.The synthetic conditions of 2-pentylidene cyclopentenone using PTC were stud-ied, and the conditions of isomerization were also studied.

对相转移催化合成2-戊叉环戊酮及其异构化的条件进行了研究。

4.In addition, alkaline ligands can prevent isomerization of 1 butene to 2 butene effectively.

另外，碱性配体能有效地防止1 -丁烯异构成2 -丁烯。

5.The isomerization of butene-1 occurred in kinetic region with 30 ~ 40 mesh catalyst.

当用30 ~40目催化剂时丁烯- 1异构化在动力学区域。

6.The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.

研究了过渡金属催化的炔烃衍生物的异构化反应。

7.Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis.

综述了钌催化剂催化的主要几类有机合成反应，包括氢化、氧化、异构化、复分解。

8.The change of adiabatic temperature was small during coupling isomerization with aromatization of hexene-1, because both re.

提出了催化裂化汽油中己烯-1为代表的异构化和芳构化偶合反应的化学平衡模型。

9.The suppression of skeletal isomerization caused by coke deposition on the active sites of catalyst is in a lesser extent than that of cracking.

焦炭对催化剂酸中心的覆盖能抑制骨架异构化反应，但其影响幅度小于对裂化反应的影响。

10.The process of converting glucose into fructose involves an important step called isomerization.

将葡萄糖转化为果糖的过程涉及一个重要步骤，称为异构化。

11.In organic chemistry, isomerization is a reaction that converts one isomer into another.

在有机化学中，异构化是一种将一种异构体转化为另一种的反应。

12.The isomerization of alkenes can lead to more stable products.

烯烃的异构化可以导致更稳定的产物。

13.Catalysts are often used to facilitate the isomerization process in industrial applications.

催化剂通常用于促进工业应用中的异构化过程。

14.The isomerization of certain hydrocarbons is crucial for optimizing fuel performance.

某些烃类的异构化对于优化燃料性能至关重要。

作文

Isomerization is a fascinating process in chemistry that involves the rearrangement of atoms within a molecule to form new isomers. Isomers are compounds that have the same molecular formula but differ in the arrangement of their atoms, leading to different chemical properties. The significance of isomerization (异构化) cannot be overstated, as it plays a crucial role in various chemical reactions and industrial applications. One of the most common examples of isomerization (异构化) is seen in the conversion of straight-chain alkanes to branched-chain alkanes. This transformation is particularly important in the petroleum industry, where the octane rating of gasoline is enhanced by increasing the proportion of branched alkanes. Higher octane ratings lead to better engine performance and reduced knocking, which is essential for modern vehicles. The process of isomerization (异构化) can occur through several mechanisms, including thermal and catalytic processes. In thermal isomerization, heat is applied to facilitate the rearrangement of molecular structures. On the other hand, catalytic isomerization involves the use of catalysts to lower the energy barrier for the reaction, making it more efficient and economical. Catalysts such as zeolites and metal complexes are often employed in industrial settings to promote isomerization (异构化). In addition to its applications in fuel production, isomerization (异构化) also has significant implications in the field of pharmaceuticals. Many drugs are designed to target specific biological pathways, and the efficacy of these drugs can be influenced by their isomeric forms. For instance, one isomer of a drug may exhibit therapeutic effects, while another may be inactive or even harmful. Understanding isomerization (异构化) is therefore critical for drug development and safety assessments. Moreover, isomerization (异构化) is not limited to hydrocarbons and pharmaceuticals; it is also relevant in the realm of biochemistry. Enzymatic reactions often involve the isomerization of sugars and amino acids, which are vital for metabolic processes. For example, the conversion of glucose to fructose through isomerization (异构化) is a key step in carbohydrate metabolism, highlighting the importance of this process in biological systems. The study of isomerization (异构化) extends beyond practical applications; it also provides insight into the fundamental principles of chemistry. By examining how molecules can rearrange themselves, scientists gain a deeper understanding of molecular interactions and stability. This knowledge can lead to the development of new materials and innovative chemical processes. In conclusion, isomerization (异构化) is a vital chemical process with wide-ranging implications across various fields, from fuel production to pharmaceuticals and biochemistry. Its ability to transform molecules and alter their properties makes it an essential topic of study for chemists and industry professionals alike. As research continues to advance, the potential applications and benefits of isomerization (异构化) will undoubtedly expand, paving the way for new discoveries and innovations in science and technology.