octane number

音标发音

• 英式音标 [ˈɒk.teɪn ˌnʌm.bər]
• 美式音标 [ˈɑːk.teɪn ˌnʌm.bɚ]
• 英式发音
• 美式发音

基本解释

• [油气] 辛烷值

同根派生

英汉例句

双语例句

• The system consisted of on-line detection, data pre-processing, and calculate model of gasoline octane number.
  系统由拉曼光谱检测、汽油拉曼光谱数据的预处理、汽油辛烷值预测模型组成。
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• It causes a knocking or pinging sound, robs the engine of power and, left unchecked, causes serious engine damage. Knock may be eliminated with the appropriate octane number.
  这导致侦测敲击或声音，剥夺了权力的发动机，同时，不加制止，造成严重的发动机损坏。爆震可能与相应的辛烷值淘汰。
• 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 。

权威例句

• The higher the octane number, the greater the resistance to preignition making a higher compression ratio possible.
  FORBES: How to Build a Car that Gets 54.5 MPG

词组短语

短语

• octane e number 辛烷值
• MON Motor Octane Number 汽车辛烷值;马达法辛烷值
• loss in octane number 辛烷值降低;翻译
• octane number nomogram 辛烷值列线图
• rated octane number 实测辛烷值

英英字典

剑桥英英字典

• a number showing the quality of petrol by representing how well and with how much power it can make an engine work

柯林斯英英字典

• a measure of the quality of a petrol expressed as the percentage of isooctane in a mixture of isooctane and n-heptane that gives a fuel with the same antiknock qualities as the given petrol

专业释义

能源科学技术

• 辛烷值

  Catalytic reforming high petrol with an octane number of unleaded petrol is an important component.
  催化重整汽油是无铅高辛烷值汽油的重要组分。

• 辛烷数
• 辛烷直

化学

• 辛烷值

  Generally, the octane number can be increased by improving the proportion of iso-paraffins.
  通常增加异构烷烃的含量来弥补由于芳烃的降低所引起的辛烷值的损失。

  地球科学

• 辛烷值

机械工程

• 辛烷值