polynuclear hydrocarbon

简明释义

多环烃

英英释义

例句

1.The analysis of polynuclear hydrocarbon 多核烃 in air samples revealed significant health risks.

空气样本中多核烃的分析显示出显著的健康风险。

2.The study of polynuclear hydrocarbon 多核烃 compounds is essential for understanding their environmental impact.

对多核烃化合物的研究对于理解它们的环境影响至关重要。

3.Researchers are exploring the use of polynuclear hydrocarbon 多核烃 in advanced materials for electronics.

研究人员正在探索在电子学中使用多核烃的先进材料。

4.Scientists are developing methods to degrade polynuclear hydrocarbon 多核烃 in contaminated soil.

科学家们正在开发方法以降解污染土壤中的多核烃。

5.The presence of polynuclear hydrocarbon 多核烃 in fossil fuels can lead to increased pollution levels.

化石燃料中存在的多核烃可能导致污染水平的增加。

作文

Polynuclear hydrocarbons (PNHs) are a class of organic compounds that consist of multiple fused aromatic rings. These compounds are significant in both environmental chemistry and industrial applications. Understanding the structure and properties of polynuclear hydrocarbon is essential for various scientific fields, including organic chemistry, toxicology, and material science.The term polynuclear hydrocarbon refers to compounds that have two or more aromatic rings that share common carbon atoms. This unique structure leads to a variety of chemical properties that differ from those of simple hydrocarbons. For instance, polynuclear hydrocarbons often exhibit increased stability and distinct electronic properties due to the delocalization of π-electrons across the fused rings. One of the most well-known examples of polynuclear hydrocarbons is pyrene, which consists of four fused benzene rings. Pyrene and other similar compounds are found in coal tar and crude oil, making them relevant in studies related to fossil fuels and their by-products. The presence of polynuclear hydrocarbons in the environment is concerning because many of these compounds are known to be carcinogenic. For instance, benzo[a]pyrene, a specific type of polynuclear hydrocarbon, is often used as a marker for assessing the pollution levels caused by incomplete combustion processes such as vehicle emissions and industrial activities.The study of polynuclear hydrocarbons extends beyond their harmful effects; they also possess unique properties that can be harnessed in various applications. In materials science, certain polynuclear hydrocarbons are utilized in the development of organic semiconductors, which are essential for the production of flexible electronics and solar cells. Their ability to conduct electricity while maintaining a lightweight structure makes them ideal candidates for innovative technological advancements.Moreover, researchers are exploring the potential of polynuclear hydrocarbons in drug development. Some compounds in this class exhibit biological activity, which can be beneficial in creating new pharmaceuticals. By understanding the interactions between polynuclear hydrocarbons and biological systems, scientists aim to design drugs that can target specific diseases more effectively.In conclusion, polynuclear hydrocarbons represent a fascinating area of study within the realm of organic chemistry. Their complex structures lead to diverse chemical behaviors that can impact both the environment and technological innovation. As research continues, it is crucial to balance the benefits of utilizing polynuclear hydrocarbons in industry and technology with the need to mitigate their environmental and health risks. By advancing our understanding of these compounds, we can work towards safer and more sustainable applications in the future.

多核烃（PNHs）是一类由多个融合的芳香环组成的有机化合物。这些化合物在环境化学和工业应用中具有重要意义。理解多核烃的结构和性质对于有机化学、毒理学和材料科学等多个科学领域至关重要。术语多核烃指的是具有两个或多个共享碳原子的芳香环的化合物。这种独特的结构导致了与简单烃类不同的各种化学性质。例如，多核烃由于π电子在融合环之间的离域化，通常表现出更高的稳定性和独特的电子特性。最著名的多核烃例子之一是芘，它由四个融合的苯环组成。芘和其他类似化合物存在于煤焦油和原油中，使它们在与化石燃料及其副产品相关的研究中具有重要意义。多核烃在环境中的存在令人担忧，因为许多这些化合物被认为是致癌的。例如，苯并[a]芘，一种特定类型的多核烃，通常用作评估因不完全燃烧过程（如汽车排放和工业活动）造成的污染水平的标志物。对多核烃的研究不仅限于其有害影响；它们还具有可用于各种应用的独特性质。在材料科学中，某些多核烃被用于开发有机半导体，这对柔性电子产品和太阳能电池的生产至关重要。它们在保持轻量化结构的同时能够导电，使其成为创新技术进步的理想候选者。此外，研究人员正在探索多核烃在药物开发中的潜力。这类化合物中的一些展现出生物活性，这在创造新药物时可能是有益的。通过理解多核烃与生物系统之间的相互作用，科学家们旨在设计能够更有效靶向特定疾病的药物。总之，多核烃代表了有机化学领域中一个引人入胜的研究领域。它们复杂的结构导致了多样的化学行为，这可能会影响环境和技术创新。随着研究的继续，平衡在工业和技术中利用多核烃的好处与减轻其环境和健康风险的需要至关重要。通过加深对这些化合物的理解，我们可以朝着未来更安全、更可持续的应用方向迈进。