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
- 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。 - 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 - 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 - 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。 - Gases for electronic industry& Nitrous oxide
GB/T14600-1993电子工业用气体氧化亚氮 - 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 - Effects of antecedent water regimes on nitrous oxide emission from an arable soil
前期不同水分状况对土壤氧化亚氮排放的影响 - 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 - Nitrous oxide pollution of the atmosphere occurs usually from the nitration of cellulose and other organic materials.
大气中的一氧化二氮污染通常由纤维和其他有机物质的硝化作用产生。 - 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。