Horse waste is rich in phosphorus and also nitrogen compared to normal soil.
和普通土壤相比，马粪更富含磷和氮。
The waste gases coming from burning coal, oil and petrol include sulphur dioxide and nitrogen dioxide.
煤、燃油和汽油燃烧时产生的废气中含有二氧化硫和二氧化氮。
The element nitrogen and sulfur in waste tyres are major precursors of secondary pollutions.
废轮胎本身含有的硫和氮是热解二次污染物产生的前驱元素。
To study the relationships between the co-immobilized nitrifying bacteria and Chlorella system and the remove efficiency of nitrogen and phosphorus in waste water.
探讨共同固化硝化细菌与小球藻体系生物量变化与去除氮磷效果的关系。
The results show that in-depth treatment process have good removal effect for the COD, BOD, total phosphorus, ammonia nitrogen, suspended particulate, turbidity, OIL and total iron of waste water.
结果表明：深度处理工艺对源污水中COD、BOD、总磷、氨氮、悬浮物、浊度、OIL、总铁等均有很好的去除效果。
Azolla filiformis could fix nitrogen, so further research should be made to find out if it can be used in waste water treatment.
细绿萍对火气氮有固定作用，用于处理污水尚需慎重研究。
The nitrogen, which is in ammonium in the ammonia sulfite pulping waste liquor of rice straw, is converted into organic nitrogen by using oxide-ammonium decomposition method.
稻草亚硫酸铵法制浆废液采用氧化氨解的方法，将废液中的铵态氮转化为有机氮。
Ammonia -active carbon technology is a good method to purify waste gas containing nitrogen oxides, the experimental method and the result are introduced simply.
氨—活性炭工艺是净化含氧化氮废气的良好方法，本文对实验方法及结果作了简要介绍。
To find a high efficient method to control the nitrogen oxides pollution, pressurized absorption was studied with simulation waste gas.
为寻求高效控制氮氧化物的方法，在实验室用模拟氮氧化物废气对其进行加压吸收。
The waste water caused by meatpacking is one of the biggest industrial resources that make the effect of organically pollution, especially nitrogen pollution.
肉类加工废水是造成有机污染尤其氮污染的最大工业污染源之一。
Sulfur dioxide and nitrogen oxides are the main gas emissions of the smoke and waste gas.
二氧化硫和氮氧化物是烟气的主要气体排放物。
With the increase in discharging of waste water containing large amount of nitrogen and phosphorus to lakes and rivers, fresh-water pollution has been becoming a more and more serious problem.
随着大量含氮和磷的废水流入湖泊和江河，导致淡水污染现象日趋严重。
Economical and effective control of pollution by ammonia-nitrogen waste water is a vital problem currently.
经济有效地控制氨氮废水污染是当前面临的重大课题。
The principle technology and calculation about the use for nitrogen oxide waste gas from oxalic acid production by oxidation has been described in detail.
本文叙述了氧化法生产草酸中一氧化氮回收利用的原理、生产工艺和回收一氧化氮的工艺计算。
The study of nitrogen removal from waste water has been animportant direction of waste water control.
前言：废水生物脱氮已经成为水污染控制的一个重要研究方向。
The Total Nitrogen Analyzer (TN-2000) based on the principle of high temperature oxidation & chemiluminescence can be used in the on-line monitoring of surface water and waste water.
以本方法为工作原理的TN-2000型总氮测定仪可用于地表水质及污水的在线监测。
The results showed that the system could efficiently COD from the coking waste water. The COD removing rate was over 90% and the ammonia nitrogen removing rate was over 80%.
结果表明，系统能有效地去除焦化废水中的COD，去除率均大于90%，氨氮的去除率在80%以上。
With the discharging of the waste water containing a large amount of nitrogen and phosphorus into the lakes and rivers, the pollution of the fresh water becomes more and more serious.
随着大量含氮和磷的废水流入湖泊和江河，导致淡水污染现象日趋严重。
In the prior art, the ammonia nitrogen in sewage or waste gas has the defects of harmful human body, low treatment efficiency, environmental pollution, etc.
现有技术中废水或废气的氨氮存在对人体有害、处理效率不高、污染环境等不足之处。
So far, there is no high-efficiency and low-energy consumption, pollution-free waste water treatment technology with sludge reduction and nitrogen and phosphorus removal.
迄今为止，尚无一种集污泥减量与同时脱氮除磷为一体的高效低能耗、无污染的废水处理技术。
The method has simple process and outstanding effect of treating the waste water containing the ammonia nitrogen.
本发明方法过程简单，处理含氨氮废水效果突出。
When exhaust flow flows through a three-way catalyst, redundant hydrogen and nitrogen oxides in waste gas are subjected to oxidation-reduction reaction to further reduce discharge.
排气流过三元催化器时，废气中多余的氢气和氮氧化物发生氧化还原反应，进一步降低排放。
Under the conditions of this experiment, the increase of additional organic carbon content is not in advantage of the removal of nitrogen in waste water irrigation system.
在本文特定作物和土壤条件下，增加灌溉原污水中的有机碳含量将不利于污灌系统对氮素的去除。
The solutions include rational and balancing application of nitrogen fertilizers and treatment of the waste w...
解决途径是确定合理施肥量和平衡施肥，并对畜禽粪便进行处理利用。
The solutions include rational and balancing application of nitrogen fertilizers and treatment of the waste w...
解决途径是确定合理施肥量和平衡施肥，并对畜禽粪便进行处理利用。
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