“nitrous oxide production”的概念、定义、翻译、参考文献-科学参考

单词	nitrous oxide production
释义	nitrous oxide production Encyclopedia 农学氧化亚氮产生释 nitrous oxide production氧化亚氮产生农业生产活动是氧化亚氮产生的主要来源之一。农业土壤产生的氧化亚氮约占全球氧化亚氮排放总量的55%。由于化学氮肥的过量使用，大气氧化亚氮浓度从工业革命前的270微克/升增加到21世纪初的324微克/升。按农业氮肥投入逐年增加的趋势估算，全球氧化亚氮浓度还会逐步上升，预计到2030年农业土壤对氧化亚氮产生的贡献可达59%。土壤中氧化亚氮产生的途径有多个，均是微生物参与的生物反应过程。
随便看	medical textiles for extracorporeal applications medical therapy of tumors medical train medical training for astronaut medical treatment medical treatment and evacuation of the sick and wounded Medical treatment and medication management of medical insurance medical treatment devices under low temperature medical treatment equipment for contamination ofuclear,chemical and biological agents medical treatment in echelons medical treatment institution of chemical poisoning medical treatment institution of infectious diseases medical treatment institution of nuclear radiation medical treatment of radionuclide internal contamination medical ultrasound medical ultrasound devices ang attached devices Medical union management medical virology medical walking medical waste Medical waste management medical waste transport vehicle Medical World medical X-ray ancillary devices and accessory medical X-ray devices

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