isooctane

简明释义

[ˌaɪsəʊˈɒkteɪn][ˌaɪsoʊˈɑːkˌteɪn]

n. [有化] 异辛烷

英英释义

Isooctane is an octane isomer with the chemical formula C8H18, commonly used as a reference fuel in octane rating tests.

异辛烷是一种化学式为C8H18的辛烷同分异构体,常用于辛烷值测试中的参考燃料。

单词用法

isooctane standard

异辛烷标准

isooctane rating

异辛烷值

isooctane number

异辛烷数

blend with isooctane

与异辛烷混合

measure isooctane levels

测量异辛烷水平

use isooctane as a benchmark

使用异辛烷作为基准

同义词

2,2,4-trimethylpentane

2,2,4-三甲基戊烷

Isooctane is often used as a reference fuel in octane rating tests.

异辛烷常被用作辛烷值测试中的参考燃料。

octane

辛烷

The performance of gasoline can be compared to isooctane for efficiency.

汽油的性能可以与异辛烷进行效率比较。

反义词

heptane

庚烷

Heptane is often used as a reference fuel in octane rating tests.

庚烷常用于辛烷值测试中的参考燃料。

decane

癸烷

Decane is a component in diesel fuel and has different combustion properties than isooctane.

癸烷是柴油燃料中的一种成分,其燃烧特性与异辛烷不同。

例句

1.The process of the backward extraction using AOT/isooctane reverse micelles system for the simultaneous extraction of oil and protein from soybean have been studied.

研究了AOT/异辛烷反胶束体系萃取植物油和蛋白质的反萃工艺。

2.The process of AOT/isooctane reverse micelles system for the simultaneous extraction of oil and protein from soybean are studied.

对AOT/异辛烷体系同时萃取大豆中的油和蛋白质进行了研究。

3.The results show that the hydrophobicity of reaction medium has great impact on the activity and enantioselectivity of lipases, and isooctane was the best reaction medium.

实验结果显示疏水性溶剂对于酵素反应活性和镜像选择性有较大影响,而异辛烷为最好的反应介质。

4.The ignition delay periods of methanol, isooctane, n-heptane and their blended fuel were studied based on their detailed chemical kinetic mechanism.

基于甲醇、异辛烷和正庚烷的详细化学动力学机理,对甲醇、异辛烷、正庚烷及其构成的混合燃料的滞燃期进行了计算研究。

5.Thus, if the matching reference blend is made up of 15% nheptane and 85% isooctane, the test sample is rated 85 motor or research octane number, according to the test method used.

这样,依照实验方法,如果匹配的参考混合物由15%的正庚烷和85%异辛烷组成,那么按照所用的实验方法,对比实验样本的辛烷值就是85 。

6.The oxidative cracking of model compounds, such as hexane, cyclohexane, isooctane and decane, were investigated in this paper.

本论文以正己烷、环己烷、异辛烷和正癸烷为模型化合物,对高碳烷烃经氧化裂解过程制低碳烯烃进行了研究。

7.Thus, if the matching reference blend is made up of 15% nheptane and 85% isooctane, the test sample is rated 85 motor or research octane number, according to the test method used.

这样,依照实验方法,如果匹配的参考混合物由15%的正庚烷和85%异辛烷组成,那么按照所用的实验方法,对比实验样本的辛烷值就是85 。

8.The fuel used in high-performance engines often contains a significant amount of isooctane.

高性能发动机中使用的燃料通常含有大量的异辛烷

9.In the octane rating scale, isooctane is assigned a value of 100.

异辛烷在辛烷值等级中被赋予100的值。

10.The blending of fuels sometimes requires precise measurements of isooctane content.

燃料的混合有时需要精确测量异辛烷的含量。

11.To improve engine efficiency, many gasoline formulations include isooctane as an additive.

为了提高发动机效率,许多汽油配方中将异辛烷作为添加剂。

12.In laboratory tests, isooctane is often used as a reference fuel for combustion studies.

在实验室测试中,异辛烷常被用作燃烧研究的参考燃料。

作文

In the world of chemistry and fuel science, understanding the properties and applications of various hydrocarbons is essential. One such important hydrocarbon is isooctane, which plays a crucial role in the formulation of gasoline and the study of octane ratings. Isooctane is an isomer of octane with the chemical formula C8H18, and it is known for its high performance as a fuel. It is often used as a standard reference point to measure the octane rating of fuels, which indicates their ability to resist knocking during combustion. This property makes isooctane a vital component in high-performance engines, where efficiency and power are paramount.The significance of isooctane can be traced back to its discovery in the early 20th century. Researchers found that fuels with higher octane ratings could withstand greater compression before igniting. This discovery led to the development of more efficient internal combustion engines, which ultimately transformed the automotive industry. As a result, isooctane became synonymous with high-quality fuel, and it is often blended with other hydrocarbons to enhance the overall performance of gasoline.Moreover, the octane rating of a fuel is determined by comparing its performance to that of a mixture of isooctane and heptane. Fuels that behave similarly to isooctane have higher octane ratings, making them suitable for high-compression engines. This comparison is crucial for manufacturers and consumers alike, as it helps them choose the right fuel for their vehicles. In fact, many premium gasoline brands advertise their high octane ratings, often highlighting their use of isooctane or similar compounds in their formulations.The environmental impact of using isooctane as a fuel component is also worth mentioning. While isooctane itself is a relatively clean-burning hydrocarbon, the production and consumption of gasoline contribute to air pollution and greenhouse gas emissions. Consequently, researchers are continually exploring alternative fuels and additives that can provide the same benefits as isooctane while minimizing environmental harm. For instance, biofuels and synthetic fuels are gaining attention as potential replacements that could reduce the reliance on fossil fuels and lower emissions.In conclusion, isooctane is more than just a simple hydrocarbon; it is a cornerstone of modern fuel science and automotive technology. Its unique properties make it an indispensable part of gasoline formulations, ensuring that engines operate efficiently and effectively. As the automotive industry evolves and seeks to address environmental concerns, the legacy of isooctane will continue to influence fuel development and performance standards for years to come. Understanding isooctane and its implications is essential for anyone interested in chemistry, engineering, or environmental science, as it highlights the intersection of science and technology in everyday life.

在化学和燃料科学的世界中,理解各种烃的性质和应用至关重要。其中一个重要的烃是异辛烷,它在汽油的配方和辛烷值的研究中发挥着关键作用。异辛烷是辛烷的一种异构体,化学式为C8H18,以其作为燃料的高性能而闻名。它通常用作测量燃料辛烷值的标准参考点,辛烷值表示燃料在燃烧过程中抵抗敲击的能力。这一特性使得异辛烷成为高性能发动机的重要组成部分,在这些发动机中,效率和动力至关重要。异辛烷的重要性可以追溯到20世纪初。研究人员发现,辛烷值较高的燃料在点燃之前能够承受更大的压缩。这一发现导致了更高效内燃机的发展,最终改变了汽车工业。因此,异辛烷成为高质量燃料的代名词,它常常与其他烃混合,以增强汽油的整体性能。此外,燃料的辛烷值是通过将其性能与异辛烷和庚烷的混合物进行比较来确定的。表现出与异辛烷相似行为的燃料具有更高的辛烷值,使其适合高压缩发动机。这一比较对制造商和消费者来说都至关重要,因为它帮助他们选择适合自己车辆的燃料。实际上,许多优质汽油品牌宣传其高辛烷值,常常强调其配方中使用了异辛烷或类似化合物。使用异辛烷作为燃料成分的环境影响也值得一提。虽然异辛烷本身是一种相对清洁燃烧的烃,但汽油的生产和消费会导致空气污染和温室气体排放。因此,研究人员不断探索替代燃料和添加剂,这些替代品能够提供与异辛烷相同的好处,同时最大限度地减少环境危害。例如,生物燃料和合成燃料正受到关注,作为潜在的替代品,可以减少对化石燃料的依赖并降低排放。总之,异辛烷不仅仅是一个简单的烃;它是现代燃料科学和汽车技术的基石。其独特的性质使其成为汽油配方中不可或缺的一部分,确保发动机高效、有效地运行。随着汽车工业的发展,寻求解决环境问题的方案,异辛烷的遗产将继续影响未来燃料的发展和性能标准。理解异辛烷及其影响对于任何对化学、工程或环境科学感兴趣的人来说都是必不可少的,因为它突显了科学与技术在日常生活中的交汇。