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
- 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 ( 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。 - Effect of C/ N Ratio on Nitrous Oxide Production During Denitrification with Different Electron Acceptors
不同电子受体反硝化过程中C/N对N2O产量的影响 - 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。 - Investigation of the Reaction Process for One-Step Oxidation Benzene to Phenol with Nitrous Oxide in a Fixed Fluidized Bed
固定流化床中N2O一步氧化苯制苯酚的工艺条件研究 - 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。 - Clinical research of nitrous oxide inspiration combined with Anisodamine to relieve pain in the stage of labor
氧化亚氮吸入联合山莨菪碱缓解产程中疼痛的临床研究 - I bet he used nitrous oxide.
他肯定用的是一氧化二氮。 - 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。 - Supplies of nitrous oxide for surgical anaesthesia will run out in two weeks.
对手术麻醉药供应将在两周内用完。