nitrous oxide

英 [ˌnaɪtrəs ˈɒksaɪd]

美 [ˌnaɪtrəs ˈɑːksaɪd]

n.  氧化亚氮，笑气(旧时牙医用作麻醉剂)

医学化学

牛津词典

noun

• 氧化亚氮，笑气（旧时牙医用作麻醉剂）
  a gas used especially in the past by dentists to prevent you from feeling pain

英英释义

noun

• inhalation anesthetic used as an anesthetic in dentistry and surgery
  Synonym:laughing gas

双语例句

• Application of nitrous oxide inhalation in dental fear of children
  笑气吸入法在儿童牙科畏惧症中的应用
• The effects of chlorothalonil on nitrous oxide and methane emissions from soils under anaerobic conditions
  厌气条件下百菌清对土壤N2O和CH4排放的影响
• The study also noted that there was a large difference in particulate matter between the north and south, but not in other forms of air pollution such as sulfur dioxide and nitrous oxide.
  该研究还指出，南北之间在颗粒物上有很大的差异，但在其他形式的空气污染，如二氧化硫和氮氧化物上并没有这种差异。
• Effect of water management of late stage of rice growth on methane and nitrous oxide emissions
  水稻生长后期水分管理对CH4和N2O排放的影响
• The research emphasis is restartable nitrous oxide monopropellant thruster suitable for keeping the position and phase of small satellite.
  研究重点是可多次启动的一氧化二氮单元推进剂推力室，适用于小卫星的位置保持和相位保持。
• Comparison of epidural blockade or nitrous oxide inhalation for labor analgesia
  硬膜外阻滞与氧化亚氮吸入用于分娩镇痛的比较
• Curbing nitrous oxide emissions would enhance the ozone layer's recovery.
  抑制氧化亚氮的排放将会促进臭氧层的恢复。
• This review highlights our recent studies on the epoxidation of propylene by nitrous oxide and oxygen catalyzed by iron-and copper-based heterogeneous catalysts.
  本文对作者等近年来开展的以一氧化二氮为氧化剂的铁催化体系和以氧气为氧化剂的铜催化体系的研究进展进行了综述。
• Gases for electronic industry& Nitrous oxide
  GB/T14600-1993电子工业用气体氧化亚氮
• Fig.2.Enteric nitrous oxide production from goose during each life cycle expressed as per day per animal basis.
  图2。鹅之生命周期中肠内发酵氧化亚氮之排放情形以每日每只表示。