lead 2 tetraethyl

简明释义

四乙基铅

英英释义

例句

1.Workers handling lead 2 tetraethyl must wear protective gear to avoid exposure.

处理铅二乙基的工人必须穿戴防护装备以避免接触。

2.Before its ban, lead 2 tetraethyl was widely used as an anti-knock agent in engines.

在被禁止之前，铅二乙基被广泛用作发动机的抗爆剂。

3.The use of lead 2 tetraethyl in gasoline was banned due to health concerns.

由于健康问题，禁止在汽油中使用铅二乙基。

4.Research indicates that lead 2 tetraethyl can cause serious health issues.

研究表明，铅二乙基可能导致严重的健康问题。

5.Chemists studied the effects of lead 2 tetraethyl on the environment.

化学家们研究了铅二乙基对环境的影响。

作文

The history of fuel additives is a fascinating journey through science and technology. One of the most significant developments in this field was the introduction of lead 2 tetraethyl, a compound that played a crucial role in enhancing the performance of gasoline. Initially synthesized in the 1920s, lead 2 tetraethyl was marketed as a solution to engine knocking, a problem that plagued many automobiles of the time. Engine knocking occurs when fuel combusts unevenly in the engine cylinders, leading to a loss of efficiency and potential damage to the engine. By adding lead 2 tetraethyl to gasoline, manufacturers were able to increase the octane rating of fuels, allowing engines to run more smoothly and efficiently.However, the use of lead 2 tetraethyl came with serious health and environmental concerns. Lead is a toxic metal that can cause severe health problems, including neurological damage and developmental issues in children. As awareness of these risks grew, many countries began to phase out the use of leaded gasoline. The United States, for instance, implemented a ban on leaded gasoline in the 1990s, leading to a significant decrease in lead exposure among the population.Despite its detrimental effects, the impact of lead 2 tetraethyl on the automotive industry cannot be understated. It revolutionized how engines were designed and operated, paving the way for advancements in automotive technology. Manufacturers began to create engines that could take full advantage of high-octane fuels, leading to increased power and efficiency.In recent years, the legacy of lead 2 tetraethyl has been a topic of discussion among scientists and policymakers. While the immediate benefits of using this compound were clear, the long-term consequences have prompted a reevaluation of fuel additives. Today, there are numerous alternatives available that do not carry the same health risks as leaded fuels. Ethanol and other biofuels are now being explored as viable options for improving fuel quality without the associated dangers of lead.In conclusion, lead 2 tetraethyl serves as a reminder of the complexities involved in technological progress. While it provided significant advantages to the automotive industry, it also highlighted the importance of considering the broader implications of our innovations. As we move forward, it is crucial to learn from the past and prioritize the development of safe and sustainable fuel options that protect both public health and the environment. The story of lead 2 tetraethyl is not just about a chemical compound; it is about the intersection of science, technology, and ethics in our pursuit of progress.

燃料添加剂的历史是一段迷人的科学与技术之旅。在这一领域中，最重要的发展之一是铅二乙基的引入，这种化合物在提高汽油性能方面发挥了关键作用。最初在20世纪20年代合成的铅二乙基被作为解决发动机敲击问题的方案进行营销，这一问题困扰着当时的许多汽车。发动机敲击发生在燃料在发动机气缸内不均匀燃烧时，导致效率损失和潜在的发动机损坏。通过将铅二乙基添加到汽油中，制造商能够提高燃料的辛烷值，使发动机运行得更加平稳和高效。然而，使用铅二乙基带来了严重的健康和环境问题。铅是一种有毒金属，可能导致严重的健康问题，包括神经损伤和儿童发育问题。随着对这些风险的认识不断加深，许多国家开始逐步淘汰含铅汽油。例如，美国在90年代实施了对含铅汽油的禁令，导致人口中铅暴露显著减少。尽管其有害影响明显，但铅二乙基对汽车工业的影响不可低估。它彻底改变了发动机的设计和运作方式，为汽车技术的进步铺平了道路。制造商开始创造能够充分利用高辛烷值燃料的发动机，从而提高了动力和效率。近年来，铅二乙基的遗产成为科学家和政策制定者讨论的话题。虽然使用这种化合物的直接好处是显而易见的，但长期后果促使人们重新评估燃料添加剂。如今，有许多替代品可供选择，这些替代品没有铅燃料所带来的健康风险。乙醇和其他生物燃料现在被探索作为改善燃料质量的可行选择，而不带来铅的相关危险。总之，铅二乙基提醒我们技术进步中涉及的复杂性。虽然它为汽车工业提供了显著的优势，但它也突出了考虑创新更广泛影响的重要性。在未来的发展中，至关重要的是从过去中学习，优先开发安全和可持续的燃料选项，以保护公共健康和环境。铅二乙基的故事不仅仅是关于一种化学化合物；它是关于我们在追求进步时科学、技术和伦理交汇的故事。