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- The range of organic nitrogen forms was nonhydrolysable N>amino acid N>ammonium N> hydrolysable unidentified N>amino sugar N under fertilization conditions. 不同施肥处理有机氮各组分含量随著土层的加深而下降，与有机质的变化规律一致；
- Dynamic Change of Organic Nitrogen Forms During the Chicken Manure Composing 鸡粪堆腐过程中有机态氮形态的动态变化
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- Response of Soil Organic Nitrogen Forms and Organic Carbon to Long-term Fertilization in Dry Highland of Loess Plateau 长期施肥对黄土旱塬黑垆土有机氮和有机碳的影响
- Variations of Organic Nitrogen Forms During Composting Process Using Three Stages Controlled by Temperature 三阶段温度控制堆肥接种法对有机氮变化规律的影响
- Nitrogen forms four-fifths of the atmosphere. 氮气占空气的五分之四。
- Nitrogen forms about four-fifths of the atmosphere. 氮约佔大气的五分之四。
- organic nitrogen forms 有机氮组成
- Nitrogen forms about 80% of the air around the Earth. 围绕地球的大气80%25是氮气。
- Eg. Nitrogen forms about four -----fifths of thre atmosphere. 氮约占大气的五分之四。
- Ammonium is toxic and is converted to organic nitrogen compounds in the root. 铵有毒，在植物根部被转化为有机含氮化合物。
- Eg. Nitrogen forms about four-fifths of the atmo here. 氮约占大气的五分之四。
- The N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM. 土壤中的氮素主要以有机氮的形式存在于土壤有机质中,土壤碳氮比与有机质含量显著相关。
- The reaction of organic nitrogen compounds in wastewater with chlorine will form toxic and harmful organic chloramines during the chlorination. 在氯消毒过程中,污水中的含氮有机物与氯反应会生成有毒有害的有机氯胺。
- There are four major processes in biogeochemical cycling: nitrification fixation;organic nitrogen ammonification;nitrification, and denitrification. 这一地区氮的生物地球化学循环包括:生物固氮、有机氮的氨化、氮的硝化、反硝化等4个主要过程。
- The effects of inorganic and organic nitrogen sources on synthesis and secretion of gentamicin in shake flask fermetation were studied. 研究了无机与有机氮源对庆大霉素合成与分泌的影响。
- The production of erythromycin in the shake flask is apparently influenced by adding different kinds of organic nitrogen source. 红色糖多孢菌的摇瓶培养基中采用不同有机氮源时红霉素的效价明显不同。
- Dissolved organic carbon(DOC) and dissolved organic nitrogen(DON) are rarely measured together when studying dissolved organic matter(DOM) in lake water. 溶解有机氮(dissolved organic nitrogen;DON)与溶解有机碳(dissolved organic carbon;DOC)相结合在湖泊水体溶解有机质(dissolved organic matter;DOM)的研究中少有报道.
- Effects of nitrogen form on nitrogen absorption and photosynthesis of different wheat genotypes. 氮形态对不同小麦基因型氮素吸收和光合作用的影响。
