Critical load of nutrient nitrogen deposition for surface water is the highest nitrogen deposition never causing water eutrophication.
水体营养氮沉降临界负荷是不致使水体产生富营养化的最高氮沉降量。
A method to calculate the critical load of nutrient nitrogen deposition was proposed in the paper according to the nitrogen mass balance within the lake catchment.
文中探讨了一种依据湖泊氮质量平衡原理计算营养氮沉降临界负荷的方法。
There are living bacteria and inorganic and organic nutrient substances of high load in the circulating cooling water system where wastewater is recycled.
污水回用于循环冷却水系统，水质中会含有存活的细菌，并且无机和有机营养物含量高。
The modern sediment is an important storehouse of the nutrient salt and pollutant in lakes. Under proper conditions, these internal contamination load sources can cause the eutrophication of lakes.
现代沉积物是湖泊营养盐和污染物的重要储藏库，在一定条件下，这些内源污染负荷可能成为水体富营养化的主导因子。
In this paper, the recent researches on the movement and transport of the water, solute, nutrient and bed-load in farmland ecosystem are reviewed and the research prospects in future are pointed out.
对近年来国内外农田生态系统中的水分、溶质和养分迁移的研究工作进行了评述，并指出了需进一步研究的问题。
In this paper, the recent researches on the movement and transport of the water, solute, nutrient and bed-load in farmland ecosystem are reviewed and the research prospects in future are pointed out.
对近年来国内外农田生态系统中的水分、溶质和养分迁移的研究工作进行了评述，并指出了需进一步研究的问题。
应用推荐