1) nitrogen loss efficiency
脱氮效率
1.
The analysis about nitrogen loss efficiency of A/O improved technology;
A/O改进工艺脱氮效率分析
2) nitrogen removal effect
脱氮效果
1.
The dissolved oxygen distribution and nitrogen removal effect in different structures of wetlands were investigated by two groups of comparison experiments(vertical flow with horizontal flow;single-stage with three-stage horizontal flow).
通过2组对比试验(垂直流与水平流湿地、单段式与三段式水平流湿地),考察了不同构型湿地中溶解氧的分布情况及脱氮效果。
3) high-performance nitrogen removal
高效脱氮
1.
Based on Orbal oxidation ditch and radial flow secondary sedimentation tank with peripheral feed and peripheral outflow,the new type combined Orbal oxidation ditch process for high-performance nitrogen removal is composed of anaerobic tank,anoxic tank,aerobic tank,secondary sedimentation tank,internal and external recycle systems and Orbal oxidation ditch.
新型高效脱氮合建式氧化沟(C-Orbal)是以Orbal氧化沟和周进、周出辐流式二沉池为基础,将厌氧池、缺氧池、好氧池、二沉池、内外回流与Orbal氧化沟组合在一起,具有占地面积小、投资省、水头损失小、能耗低、适应能力强、运行管理方便等优点。
4) denitrification rate
脱氮率
5) denitrification rates
脱氮速率
1.
Simulating effects of electric current and molar of C to N on denitrification rates in biofilm of bio-electro reactor;
电流和碳氮的量比对生物电极脱氮速率影响的模拟
6) Nitrogen efficiency
氮效率
1.
Effects of plastic film mulching models and nitrogen fertilizer on wheat yield and nitrogen efficiency;
半干旱农田生态系统地膜覆盖模式和施氮对小麦产量和氮效率的效应
2.
)varieties and their physiological properties were studied using a pot experiment and the ratio of seed yield with stressed nitrogen to that with normal N supply was adopted as nitrogen efficiency coefficient.
采用盆栽试验,以氮胁迫与正常供氮条件下籽粒产量的比值作为氮效率系数,探讨了不同品种油菜氮效率差异及其生理基础。
3.
The difference in nitrogen efficiency among 48 cotton varieties was studied in pot experiment by analyzing the plant height,dry matter weight and N content at seeding stage.
通过砂培盆栽试验,分析棉株的株高、干物重以及全氮含量,研究了48个棉花品种苗期氮效率的差异性。
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条