nitrate-nitrogen
英 [ˈnaɪtreɪt ˈnaɪtrədʒən]
美 [ˈnaɪtreɪt ˈnaɪtrədʒən]
网络 硝态氮
双语例句
- Simultaneous determination of the total nitrogen, ammonium-nitrogen, nitrite-nitrogen, and nitrate-nitrogen in wastewater by continuous fluxion analysis
连续流动分析法同时测定污水中总氮、氨氮、亚硝酸盐氮、硝酸盐氮亚硝氨基化合物；亚硝基同氮原子联结的化合物 - The influence of bleeding sap and Nitrate-nitrogen, Amino acid in root sap of K4 which grown in the zone is researched in seed treatments and initial bloom stage after spraying on leaf with EDTA-Mn.
以“垦农4号”为材料，利用锰浸种和初花期叶面喷施，在小区试验的条件下研究了锰对大豆根系伤流量、伤流液中硝态氮和氨基酸含量调控的效应。 - Alternanthera philoxeroides was superior to Phragmites communis in nitrate-nitrogen removal under the same condition;
相同条件下水花生去除硝酸盐氮的效果比芦苇更好； - Influence of initial nitrate-nitrogen on methods of measuring soil nitrogen supplying capacity in calcareous soils
石灰性土壤起始NO3~-N对土壤供氮能力测定方法的影响 - Determination of Nitrate-nitrogen or Nitrogen Oxides in Environmental Sample with Nitrate-ion Selective-electrode
硝酸根离子选择性电极测定环境样品中的硝酸盐氮或氮氧化物 - Objective To study the community of denitrifying bacteria and nitrate-nitrogen removal in downflow fixed-bed bioreactor.
目的研究下流式固定床反应器的脱氮效果及反硝化细菌群落结构。 - Denitrification is dominant reaction of behavior of nitrate-nitrogen in soil column infiltration system.
土柱渗滤系统中NO3~&N的环境行为主要是反硝化作用。 - Advances in Effects of Management Practices in Farmland on Nitrate-nitrogen Transport in Soil
田间管理措施对土壤硝态氮迁移影响研究进展 - The results showed that the increase of nitrate-nitrogen resulted from biological nitrification of ammonia-nitrogen.
研究表明，微污染水源水生物处理工艺中硝酸盐氮的增加是氨氮生物硝化的结果； - Nitrate-nitrogen variation in the biological process for treatment of slightly polluted source water has been investigated by use of a pilot-scale unit and a full-scale plant.
通过中试系统和大型工程，探讨了微污染水源水生物处理工艺中硝酸盐氮的变化规律。 - AUR ( ammonia-nitrogen utilization rate), NUR ( nitrate-nitrogen utilization rate) and OUR ( oxygen utilization rate) parameters obtained from the consumption curve slope of activated sludge test could evaluate effectively the bioactivity of SBR sludge.
由活性污泥实验消耗曲线斜率取得氨氮利用率（AUR）、硝态氮利用率（NUR）、氧气利用率（OUR）3个参数，可以有效评价SBR污泥生物活性。 - As the nitrate-nitrogen ratio increase, the content of nicotine specially in the upper leaves decrease, while the reducing sugar and potassium content increase.
随着硝态氮施用比例的增加，烟碱尤其是上部叶烟碱含量呈下降趋势，烟叶的还原糖和钾含量呈上升趋势。 - The changes in nitrate-nitrogen variation rate during the start-up of the treatment systems indicated the correlation of two groups of nitrifying bacteria in their respective growth rate reached 1. 00 when the start-up ended.
处理系统启动中硝酸盐氮变化率的变化反映了两类硝化细菌在生长速率和转化能力上的协调关系以及生物膜的成熟过程，启动结束时硝酸盐氮变化率趋于1.00； - Strengthening aeration may decrease the ammonia-nitrogen concentration and correspondingly increase the nitrate-nitrogen in the vessels.
增加曝气强度，能降低边池及中池的氨氮浓度，相应增大边池及中池的硝态氮浓度。 - 3 ∶ 1 proportions for mixed sowing of Elymus sibiricus+ Bromus inermis, and Elymus sibiricus+ Agropyron cristatum, respectively, effectively increased soil nitrate-nitrogen content.
老芒麦+无芒雀麦、老芒麦+冰草3∶1的混播比例可以有效地增加土壤硝态氮含量。 - Groundwater pollution by nitrate-nitrogen has caused extensive concern in worldwide.
地下水的硝态氮污染已广泛引起人们关注。 - The influence of initial nitrate-nitrogen leaching on soil nitrate content and wheat nitrogen uptake
淋洗对石灰性土壤硝态氮含量及小麦吸氮量的影响 - Purification of nitrate-nitrogen in river filtration system s
河流渗滤系统对硝态氮污水的净化作用研究 - Determination of Nitrate-nitrogen in Drinking Water with Ultra Violet Spectrophotometry
紫外分光光度法测定生活饮用水中硝酸盐氮初步研究 - The status quo of nitrate-nitrogen accumulation in vegetables under protected cultivation in Guanzhong Borough of Shaanxi Province was investigated. How traditional fertilizing influences the accumulation of nitrate-nitrogen in vegetables was studied.
调查了陕西关中主要蔬菜产区设施栽培蔬菜的硝态氮累积现状，以期探讨传统习惯施肥方法对蔬菜硝态氮累积的影响。 - Nitrate-nitrogen Variation in Biological Treatment of Slightly Polluted Source Water
微污染水源水生物处理中硝酸盐氮的变化 - Factors Affecting Content of Nitrate-Nitrogen in Soil
土壤中硝态氮含量的影响因素研究 - Research on Treatment of Nitrate-nitrogen Wastewater by Internal Electrolysis-precipitation Process
强化微电解沉淀离子交换工艺处理高浓度硝酸盐氮废水的研究 - The nitrate-nitrogen variation rate was one of the important parameters to describe ammonia-nitrogen nitrification status in biological treatment of slightly polluted source water.
硝酸盐氮变化率是描述微污染水源水生物处理系统氨氮硝化状况的重要参数。 - An experiment in field and artificial penetration-filter pond test both were conducted to show factors affecting content of nitrate-nitrogen in soil in the present study.
采用田间试验及人工渗滤池试验方法，研究了土壤中硝态氮含量的影响因素。 - Use of Cu-Zn column in the determination of nitrate-nitrogen in environmental samples
铜锌柱在环境分析中测定硝酸根的应用 - By analysis the change of nitrate-nitrogen ′ s contents in different soil layers during corn season and the change of the water content in the soil, we studied the leaching of nitrate-nitrogen during corn season.
通过监测玉米生长季前后土壤中硝态氮含量及不同时期土壤含水量的变化，对玉米季硝态氮的淋失进行了研究。 - The experiment demonstrated that the BCFs could reduce the nitrate-nitrogen leaching risk, meet the demand of rice growth for ammonium nitrogen nutrient in the medium and latter stages and improve soil nitrogen supply ability so paddy soil could achieve stable nitrogen supply.
说明炭基肥降低了硝态氮向下淋失的风险，且能够满足水稻生育中、后期对铵态氮养分的需求，改善土壤供氮特征，获得较为平稳的土壤氮素供应过程。