antiknock

简明释义

英[ˌæntɪˈnɒk]美[ˌæntɪˈnɑk]

n. 抗爆剂，抗震剂

adj. 抗爆的，抗震的

英英释义

单词用法

同义词

反义词

例句

1.But the study of the mechanisms of non-metal antiknock has developed slowly due to the complex of the electron-transfer mechanisms or no electron-transfer properties under common condition.

但由于非金属抗爆剂电子转移机理复杂或在一般条件下不发生电子转移反应，从而使其抗爆机理的研究进展缓慢。

2.It proves that the light oil based fuel has good antiknock property and good quality.

从而证明，轻油基燃料具有较好的抗爆性，燃料品质优良。

3.The article introduces the application status of MMT antiknock additive in Jinxi Petrochemical Company.

摘要介绍了MMT抗爆剂在中国石油锦西石化公司的使用情况。

4.Metallocenes first appeared in the early 1950s and have been used as antiknock agents, catalysts, and reducing agents.

茂金属首次在50年代初问世，已经用于抗爆剂、催化剂和还原剂。

5.Some of phenol compound and oxygen containing compounds with tertiary butyl group were screened to use as gasoline antiknock additives.

在实验过程中筛选出几种酚类化合物和叔丁基含氧化合物等作为汽油抗爆添加剂。

6.It is important that clarifying the mechanisms of antiknock has important effects on developing new antiknock.

明确抗爆机理对抗爆剂的研制开发有着重要的实践意义。

7.In older cars, a lack of antiknock properties in fuel can lead to serious engine damage.

在老旧汽车中，燃料缺乏抗爆特性可能导致严重的发动机损坏。

8.The antiknock rating of a fuel determines its suitability for high-performance engines.

燃料的抗爆评级决定了其对高性能发动机的适用性。

9.The use of an antiknock additive in gasoline helps prevent engine knocking.

在汽油中使用抗爆添加剂有助于防止发动机敲击。

10.Engine performance can be significantly improved by using antiknock compounds.

通过使用抗爆化合物，可以显著提高发动机性能。

11.Many modern vehicles are designed to run efficiently with antiknock fuels.

许多现代车辆设计为可以高效运行在抗爆燃料上。

作文

The term antiknock refers to a property of fuels, particularly gasoline, that prevents engine knocking or pinging during combustion. Engine knocking occurs when fuel burns unevenly in the engine's cylinders, which can lead to reduced efficiency and potential damage over time. Understanding the significance of antiknock characteristics is crucial for both automotive engineers and consumers who seek optimal performance from their vehicles.In the automotive industry, the octane rating is a common measure of a fuel's antiknock quality. Higher octane fuels have better resistance to knocking, making them suitable for high-performance engines that operate under greater stress. For example, sports cars and luxury vehicles often recommend premium gasoline with higher octane ratings to ensure smooth operation and to avoid the detrimental effects of knocking.The chemistry behind antiknock agents involves various compounds that enhance the combustion process. Tetraethyl lead was historically used as an antiknock additive, but due to environmental and health concerns, it has been phased out in many countries. Today, alternatives such as ethanol and other oxygenates are commonly used to improve the antiknock properties of gasoline. These additives not only help prevent knocking but also contribute to cleaner emissions, aligning with modern environmental standards.Furthermore, the importance of antiknock characteristics extends beyond just performance; it also plays a critical role in fuel economy. When an engine operates smoothly without knocking, it can achieve better fuel efficiency, ultimately saving money for consumers and reducing the environmental impact of fuel consumption. Therefore, selecting the right fuel with adequate antiknock properties can lead to significant long-term benefits.In recent years, the development of advanced engine technologies has further emphasized the need for understanding antiknock properties. With the rise of turbocharged engines and direct fuel injection systems, the demands placed on fuels have increased. These modern engines often operate at higher pressures and temperatures, making them more susceptible to knocking. As a result, manufacturers have had to innovate and create fuels with improved antiknock capabilities to meet these challenges.In conclusion, the concept of antiknock is essential for anyone involved in the automotive field, from engineers designing engines to consumers choosing the right fuel for their vehicles. The ability of a fuel to resist knocking not only influences performance and efficiency but also impacts the longevity of the engine. As technology continues to advance, the importance of antiknock properties will only grow, highlighting the need for ongoing research and development in fuel formulations. By understanding and prioritizing antiknock characteristics, we can ensure a more efficient, powerful, and environmentally friendly future for our vehicles.

术语antiknock指的是燃料，特别是汽油的一种特性，它可以防止发动机在燃烧过程中发生敲击或啸叫。发动机敲击是指燃料在发动机气缸中不均匀燃烧，这可能导致效率降低和潜在的长期损害。理解antiknock特性的意义对于汽车工程师和寻求最佳车辆性能的消费者来说至关重要。在汽车工业中，辛烷值是衡量燃料antiknock质量的常见标准。辛烷值较高的燃料对敲击有更好的抵抗力，因此适合在更大压力下工作的高性能发动机。例如，跑车和豪华车通常建议使用辛烷值较高的优质汽油，以确保平稳运行并避免敲击的有害影响。与antiknock剂相关的化学成分涉及各种化合物，这些化合物增强了燃烧过程。四乙基铅曾被作为一种antiknock添加剂使用，但由于环境和健康问题，它在许多国家已被淘汰。如今，乙醇和其他氧化物是改善汽油antiknock特性的常用替代品。这些添加剂不仅有助于防止敲击，还促进了更清洁的排放，符合现代环境标准。此外，antiknock特性的重要性不仅限于性能；它还在燃油经济性中起着关键作用。当发动机平稳运行而没有敲击时，可以实现更好的燃油效率，最终为消费者节省资金，并减少燃料消费对环境的影响。因此，选择具有足够antiknock特性的合适燃料可以带来显著的长期利益。近年来，先进发动机技术的发展进一步强调了理解antiknock特性的必要性。随着涡轮增压发动机和直接燃油喷射系统的兴起，对燃料的需求增加。这些现代发动机通常在更高的压力和温度下运行，使其更容易受到敲击的影响。因此，制造商必须创新并创造具有改进的antiknock能力的燃料，以应对这些挑战。总之，antiknock的概念对于任何参与汽车领域的人来说都是至关重要的，从设计发动机的工程师到为其车辆选择正确燃料的消费者。燃料抵抗敲击的能力不仅影响性能和效率，还影响发动机的使用寿命。随着技术的不断进步，antiknock特性的重要性只会增加，突显出在燃料配方中进行持续研究和开发的必要性。通过理解和优先考虑antiknock特性，我们可以确保我们的车辆在未来更加高效、强大和环保。