nitrous oxide
英 [ˌnaɪtrəs ˈɒksaɪd]
美 [ˌnaɪtrəs ˈɑːksaɪd]
n. 氧化亚氮,笑气(旧时牙医用作麻醉剂)
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
双语例句
- A study on the performance of an auto-cascade refrigeration system with nitrous oxide mixtures as refrigerants
采用N2O的混合工质在自复叠制冷系统的性能研究 - Animal excrement emits gases, such as hydrogen sulfide and ammonia, that poison the air around farms, as well as methane and nitrous oxide, which are major contributors to global warming.
动物的排泄物释放出的气体,例如氢化硫、氨气、污染了农场周围的空气,同时,甲烷和一氧化氮则是导致全球变暖的主要元凶。 - Coal plants and steel mills are investing in carbon capture technologies and processes that can reduce emissions of sulphur and nitrous oxide.
煤炭厂家和钢铁厂正投资于碳捕捉技术以及能够减少硫磺和一氧化碳排放的工艺流程。 - 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 - 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。 - 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 - Nitrous oxide ( N2O) is the third green house gas ( next to CO2 and CH4) and using the modified urea is an important way to reduce N2O release from cultivated land.
N2O是仅次于CO2和CH4的第三种温室气体,改性尿素是减少农田N2O排放的一种重要途径。 - 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。 - Nitrous oxide may be used with advantage during surgical operations in which no great amounts of blood are lost.
外科手术中使用一氧化一氮可以防止大量失血。 - Experimental Study on Nitrous Oxide Formation during Char Combustion under Fluidized Bed Conditions
焦炭流化床燃烧条件下氧化亚氮生成机理的实验研究