Effect of Different Fertilizer Applying Treatments on Nitrate Accumulation in Rape under Different Nitrogen Levels;
不同氮素水平不同施肥处理对油菜硝酸盐累积的影响
Research on vegetables nitrate accumulation under protectedcultivation in shaanxi guanzhong area;
陕西关中设施栽培蔬菜的硝酸盐累积状况分析
The rules of nitrate accumulation in Dian lake drainage area in intensive cultivation are studied.
在种植西芹的土壤中,磷肥对土壤中硝酸盐的影响因氮肥的投入量不同而有不同的表现,生菜中施磷对土壤硝酸盐累积无显著影响。
With ammonia oxidizing bacteria enriched after 30 days using the enrichment technique,the nitrite accumulation rate could reach 90%.
采用该技术培养30 d,氨氧化细菌能够富集达到90%的亚硝酸盐累积率。
Infulence of fertilizer application on nitrate cumulant in spinac;
施肥对菠菜中硝酸盐累积量的影响
A mathematic model for nitrite accumulation in a hydrogenotrophic denitrification system running in a sequencing batch mode was developed and denitrification coefficient α was defined to describe the process of nitrite accumulation.
建立了序批式反应器氢自养反硝化系统中亚硝酸盐累积的数学模型,定义了反硝化系数α来描述亚硝酸盐的累积状况,研究了序批式反应器内加入亚硝酸盐前后硝酸盐和亚硝酸盐还原速率以及亚硝酸盐累积浓度的变化情况。