naphtha

英 [ˈnæfθə] 美 [ˈnæfθə]

n.  石脑油(作燃料或用于制造化学品)

化学

BNC.43447 / COCA.37034



牛津词典

noun

  1. 石脑油(作燃料或用于制造化学品)
    a type of oil that starts burning very easily, used as fuel or in making chemicals

    双语例句

    1. Producers, however, complained that margins were getting squeezed as crude oil and naphtha prices soared.
      然而生产者抱怨说利润都被原油和石脑油价格上涨所挤压掉。
    2. Clean removed pistons with solvent naphtha or acetone first.
      首先使用溶剂石脑油或丙酮清洁已卸下的活塞。
    3. Data Mining and Analysis of the Crude Oil Blending influence on the Nitrogen content in Heavy Naphtha
      原油混合加工方案对重石脑油氮含量影响的数据挖掘与分析
    4. Mercaptans in the light fractions of FCC naphtha from different refineries were removed by caustic extraction.
      采用碱液抽提的方式,对来自不同炼油厂的催化裂化汽油轻馏分进行了脱硫醇精制试验。
    5. Clean flange thoroughly with solvent naphtha or acetone.
      用溶剂石脑油或丙酮清洁法兰。
    6. Clean using solvent naphtha, check for damage and soiling, and replace if necessary.
      使用溶剂石脑油清洁,检查有无损环和污染,如有必要,进行更换。
    7. Remove test medium in the sealing area using solvent naphtha.
      用溶剂石脑油清除密封区域内的测试介质。
    8. Research on increasing propylene production by converting olefins in FCC naphtha
      催化裂化汽油烯烃转化增产丙烯工艺研究
    9. Thoroughly clean sealing zones with brake cleaner, acetone or solvent naphtha.
      用制动器清洗剂、丙酮或溶剂石脑油彻底清理密封区。
    10. Remove protective wax on new parts with acetone or solvent naphtha.
      用丙酮或溶剂石脑油清除新零件上的保护蜡。
    11. Clean sealing face on crankcase with solvent naphtha or acetone.
      用溶剂石脑油或丙酮清洁曲轴箱上的密封面。
    12. Such as water, liquid ammonia, naphtha and liquefied petroleum gas, such as the medium level measurement.
      如水、液氨、轻油、液化气等介质的液位测量。
    13. The tubular reactor of Daqing naphtha pyrolyzer is simulated by a two-dimensional model.
      对大庆石脑油裂解炉反应管用二维模型进行数学模拟。
    14. Destocking in China since the summer amid fears about global demand has also put pressure on naphtha prices.
      自今年夏季以来,由于对全球需求感到担忧,中国一直在减少库存,这也对石脑油价格构成了压力。
    15. Clean with solvent naphtha before installing.
      在安装之前,请用溶剂石脑油来清洁。
    16. Technologies for increasing gasoline production from naphtha and light hydrocarbons
      从石脑油和轻烃资源增产汽油的技术及措施
    17. Carbon dioxide is a by-product of steam reforming of methane, propane or naphtha.
      二氧化碳是甲烷、丙烷或石脑油的蒸气重整的一个副产品。
    18. In process of naphtha cracking to gas, reforming furnace is a key installation.
      改质炉是轻油制气装置中最主要的用能设备之一。
    19. Clean it with solvent naphtha if necessary.
      如有必要,请用溶剂石脑油进行清洁。
    20. It's called A-21. It's composed of water and chemical known as naphtha.
      它叫做A-21,它是由水和一种叫挥发油的化学物质组成。
    21. A new method of removing thiol from RFCC naphtha by liquid-liquid extraction using aqua ammonia was introduced.
      提出了一种重油催化裂化汽油氨水液-液脱臭新方法。
    22. An adhesive made by dissolving unvulcanized rubber in a solvent like benzene or naphtha.
      将不能硫化的橡胶溶于苯或石脑油等溶剂中制成的粘合剂。
    23. In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
      石脑油馏份与一个热表面接角,就裂解而得到乙烯和丙烯。
    24. Clean crankshaft flange carefully using acetone or solvent naphtha.
      使用丙酮或溶剂石脑油仔细清洁曲轴法兰。
    25. Tar stripper naphtha vapours
      焦油汽提器中的石脑油蒸气
    26. Use solvent naphtha only, other solvents are not permissible!
      只使用溶剂石脑油,不允许使用其他溶剂!
    27. First remove old grease with solvent naphtha.
      首先使用溶剂石脑油清除旧的润滑脂。
    28. Clean flywheel and pressure plate with solvent naphtha.
      用溶剂石脑油清洁飞轮和压盘。
    29. Remove any grease from the crankcase halves using acetone or solvent naphtha.
      使用丙酮或溶剂石脑油除去曲轴箱两部分的所有润滑脂。
    30. Remove residual dirt on the tools using solvent naphtha or acetone.
      用溶剂石脑油或丙酮去除工具上残留的脏物。

    英英释义

    noun

    1. any of various volatile flammable liquid hydrocarbon mixtures