alkyl lead

简明释义

烷基铅;

英英释义

例句

1.Chemists are studying the effects of alkyl lead on human health.

化学家们正在研究烷基铅对人类健康的影响。

2.In the past, alkyl lead was added to fuels to improve engine performance.

在过去，烷基铅被添加到燃料中以提高发动机性能。

3.The replacement of alkyl lead with safer alternatives is crucial for public health.

用更安全的替代品替换烷基铅对公共健康至关重要。

4.The use of alkyl lead in gasoline has been banned due to its environmental impact.

由于其对环境的影响，已禁止在汽油中使用烷基铅。

5.Regulations surrounding alkyl lead have become stricter over the years.

关于烷基铅的法规多年来变得更加严格。

作文

The history of fuel additives is both fascinating and complex, with various substances being used over the years to enhance the performance of gasoline. One of the most notable compounds that has made a significant impact on the automotive industry is alkyl lead. This term refers to a group of organolead compounds that were primarily used as anti-knock agents in fuels. In the mid-20th century, alkyl lead became popular due to its ability to improve engine performance by preventing knocking, which is a type of premature combustion that can damage engines. As a result, many manufacturers began to incorporate alkyl lead into their gasoline formulations. However, the use of alkyl lead also raised serious environmental and health concerns. Studies revealed that lead is a toxic substance that can cause severe health issues, including neurological damage, particularly in children. The realization of these dangers led to a growing movement against the use of leaded fuels. In the 1970s, regulatory agencies in several countries began to phase out the use of alkyl lead, and by the 1990s, it was banned in many places around the world. The transition away from alkyl lead marked a significant turning point in the automotive industry. Manufacturers started to explore alternative additives that could provide similar benefits without the harmful effects associated with lead. This period saw the rise of new technologies and innovations, such as the use of oxygenates like ethanol and MTBE (methyl tert-butyl ether), which helped to improve fuel efficiency and reduce emissions. In addition to the technical advancements, the shift away from alkyl lead also highlighted the importance of environmental awareness in the fuel industry. Consumers became more informed about the impact of their choices on the planet, leading to a demand for cleaner and safer fuels. This change in consumer behavior has prompted companies to invest in research and development of greener alternatives, reflecting a broader trend towards sustainability in various industries. Today, the legacy of alkyl lead serves as a reminder of the delicate balance between technological advancement and public health. While the compound played a crucial role in improving engine performance during its time, the consequences of its use ultimately outweighed the benefits. The automotive industry continues to evolve, focusing on reducing environmental impact and enhancing fuel efficiency without compromising safety. As we look to the future, it is essential to learn from past experiences and prioritize the development of sustainable solutions that protect both our health and the environment. In conclusion, alkyl lead represents a significant chapter in the history of fuel additives. Its rise and fall illustrate the complexities of innovation and the need for responsible practices in the pursuit of progress. By understanding the implications of alkyl lead and other similar compounds, we can better navigate the challenges of modern technology and work towards a cleaner, healthier future for all.

烷基铅是指一类有机铅化合物，主要用作燃料中的抗爆剂。在20世纪中叶，烷基铅因其能改善发动机性能而受到欢迎，因为它能防止敲缸，这是一种可能损坏发动机的提前燃烧现象。因此，许多制造商开始将烷基铅加入汽油配方中。然而，使用烷基铅也引发了严重的环境和健康问题。研究表明，铅是一种有毒物质，可能导致严重的健康问题，包括神经损伤，尤其是在儿童中。这些危险的认识促使人们对铅燃料展开反对运动。1970年代，多个国家的监管机构开始逐步淘汰烷基铅的使用，到1990年代，它在世界许多地方被禁止。 从烷基铅的过渡标志着汽车工业的一个重要转折点。制造商开始探索替代添加剂，这些添加剂可以提供类似的好处，而不会带来与铅相关的有害影响。这一时期见证了新技术和创新的兴起，例如使用乙醇和MTBE（甲基叔丁基醚）等氧化物，这些物质有助于提高燃油效率并减少排放。除了技术进步，从烷基铅的转变还突显了燃料行业环境意识的重要性。消费者对其选择对地球的影响变得更加了解，导致对更清洁、更安全燃料的需求。这种消费者行为的变化促使公司投资于绿色替代品的研发，反映了各个行业日益关注可持续性的趋势。 今天，烷基铅的遗产提醒我们在技术进步与公共健康之间的微妙平衡。虽然该化合物在其时代对改善发动机性能发挥了关键作用，但其使用的后果最终超过了好处。汽车工业继续发展，专注于减少环境影响和提高燃油效率，而不妥协安全性。展望未来，学习过去的经验并优先开发保护我们健康和环境的可持续解决方案至关重要。 总之，烷基铅代表了燃料添加剂历史中的一个重要篇章。它的兴起与衰落展示了创新的复杂性，以及在追求进步时需要负责任的做法。通过理解烷基铅和其他类似化合物的影响，我们可以更好地应对现代技术的挑战，并为所有人创造一个更清洁、更健康的未来。