octane

简明释义

英[ˈɒkteɪn]美[ˈɑːkteɪn]

n. 辛烷

英英释义

单词用法

同义词

反义词

例句

1.In the reforming operation a light hydrocarbon feed isomerizes on contact with a suitable catalyst to produce gasoline with a higher octane number.

在重整操作中，一个轻质烃类进料与一个合适的催化剂接触而异构化得到具有高辛烷值的汽油。

2.Octane number is one of the most important properties of gasoline, and gasoline is divided into different brands based on octane number.

作为成品汽油的关键质量指标之一，汽油辛烷值直接表征汽油的抗爆性能，根据辛烷值大小划分成不同的汽油牌号。

3.It has been used as an alternative of gasoline, improvers for octane number and oxygen content in gasoline.

在国外曾以汽油替代物、辛烷值改进剂和增加汽油氧含量三大作用添加到汽油中。

4.The results showed that the system detected the octane number of gasoline accurately, and displayed the Raman spectra obtained by the detector.

实践证明，该辛烷值测定系统能够准确检测调和过程中汽油辛烷值，并实时显示调和过程中汽油拉曼谱图。

5.The car pinged when I put in low-octane gasoline.

我加了低辛烷值的汽油之后，汽车经常爆缸。

6.Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.

同时，在加强氢转移反应减少烯烃时，还需考虑焦炭选择性变差和汽油辛烷值下降的问题。

7.Hydrogen is added to the air mixture, causing it to burn easily and powerfully while the oxygen increases the octane value of the fuel.

氢气被添加到混合空气中，可使其既容易又很强力燃烧，而氧气会增加燃油的辛烷值。

8.This fuel has a high octane rating, which means it can withstand higher compression before igniting.

这种燃料的辛烷值很高，这意味着它可以在点火前承受更高的压缩。

9.Using premium gasoline with a higher octane level can improve your car's performance.

使用高辛烷值的优质汽油可以提高你汽车的性能。

10.The octane rating of the fuel you use can affect your engine's efficiency.

你使用的燃料的辛烷值会影响发动机的效率。

11.Many sports cars require fuel with a minimum octane rating to function properly.

许多跑车需要最低辛烷值的燃料才能正常运作。

12.Higher octane fuels can help prevent knocking in high-performance engines.

高辛烷值燃料可以帮助防止高性能发动机中的敲击现象。

作文

The term octane refers to a hydrocarbon compound that is a key component of gasoline. It is crucial in determining the fuel's performance and efficiency. The higher the octane rating, the more compression the fuel can withstand before igniting. This is particularly important in high-performance engines, where the engine's compression ratio is elevated. In such cases, using fuel with a higher octane rating prevents knocking, which can lead to engine damage and reduced performance. Understanding the significance of octane ratings is essential for vehicle owners. Regular gasoline typically has an octane rating of around 87, while premium gasoline can have ratings of 91 or higher. Many drivers may wonder if using a higher octane fuel in a car that requires regular gasoline will yield better performance. The answer is not straightforward; while it may improve performance in some cases, most standard vehicles are designed to run efficiently on regular gasoline. Thus, using higher octane fuel in these vehicles often results in unnecessary expenses without significant benefits. On the other hand, sports cars and luxury vehicles often recommend higher octane fuels because they are engineered for high performance. These vehicles can benefit from the increased resistance to knocking provided by high octane fuel, allowing them to operate at their peak potential. Therefore, understanding the requirements of your vehicle is crucial when choosing fuel. In addition to its role in automotive fuel, octane also plays a significant role in the broader context of environmental sustainability. Fuels with higher octane ratings tend to burn more efficiently, producing fewer emissions compared to lower-rated fuels. This aspect is increasingly important as we strive to reduce our carbon footprint and combat climate change. By opting for fuels with higher octane ratings, consumers can contribute to a cleaner environment while still enjoying optimal vehicle performance. Moreover, the production and refining processes of gasoline have evolved over the years to enhance octane levels. Additives are often used to boost the octane rating of gasoline, allowing it to meet the demands of modern engines. This innovation reflects the automotive industry's commitment to improving fuel quality and performance. As technology advances, we can expect further developments in fuel formulations that optimize octane levels and enhance overall engine efficiency. In conclusion, the concept of octane is integral to understanding fuel performance and engine efficiency. Whether you drive a compact car or a high-performance sports vehicle, recognizing the importance of octane ratings can help you make informed decisions about fuel choices. Additionally, being mindful of the environmental implications of fuel consumption can guide us toward more sustainable practices. As we navigate the complexities of modern transportation, a clear understanding of octane and its impact on both performance and the environment will undoubtedly serve us well.

术语octane指的是一种烃化合物，是汽油的关键成分。它在决定燃料的性能和效率方面至关重要。octane等级越高，燃料在点燃之前能够承受的压缩就越大。这在高性能发动机中尤其重要，因为这些发动机的压缩比很高。在这种情况下，使用更高octane等级的燃料可以防止敲击，这可能导致发动机损坏和性能下降。 理解octane等级的重要性对车辆所有者至关重要。普通汽油的octane等级通常约为87，而高档汽油的等级可以达到91或更高。许多驾驶者可能会想知道，在需要普通汽油的汽车中使用更高octane燃料是否会提高性能。答案并不简单；虽然在某些情况下可能会改善性能，但大多数标准车辆设计为在普通汽油上高效运行。因此，在这些车辆中使用更高octane燃料通常会导致不必要的开支，而没有显著的好处。 另一方面，跑车和豪华车通常推荐使用更高octane燃料，因为它们是为高性能而设计的。这些车辆可以从高octane燃料提供的增加抗敲击能力中受益，使它们能够在最佳潜力下运行。因此，了解您的车辆要求在选择燃料时至关重要。 除了在汽车燃料中的作用外，octane在环境可持续性的大背景下也发挥着重要作用。具有更高octane等级的燃料通常燃烧更高效，产生的排放比低等级燃料少。随着我们努力减少碳足迹和应对气候变化，这一点变得愈加重要。通过选择具有更高octane等级的燃料，消费者可以在享受最佳车辆性能的同时，为更清洁的环境做出贡献。 此外，汽油的生产和精炼过程多年来已经发展，以提高octane水平。通常使用添加剂来提升汽油的octane等级，使其能够满足现代发动机的需求。这一创新反映了汽车行业在提高燃料质量和性能方面的承诺。随着技术的进步，我们可以期待燃料配方进一步发展，以优化octane水平并增强整体发动机效率。 总之，octane的概念对于理解燃料性能和发动机效率至关重要。无论您驾驶的是紧凑型汽车还是高性能跑车，认识到octane等级的重要性可以帮助您在选择燃料时做出明智的决定。此外，关注燃料消费的环境影响可以引导我们朝着更可持续的实践迈进。在我们应对现代交通的复杂性时，对octane及其对性能和环境影响的清晰理解无疑将对我们大有裨益。