Nitrate pollution has become a serious problem for many years in many rivers of the world.
多年来，世界各地河流普遍存在硝酸盐污染问题。
The effective methods of controlling and reducing the nitrate pollution in these products were put forward.
并针对蔬菜硝酸盐污染现状提出了降低和控制硝酸盐污染的主要措施。
The method of the invention can be effectively used for bioremediation of the nitrate pollution in the groundwater.
本发明方法可以有效地用于地下水硝酸盐污染的生物修复。
Groundwater nitrate pollution, as a global problem, is not only an environmental issue but also an economic and human health problem.
地下水中的硝酸盐污染具有全球性，这不仅是一个环境问题，也是一个经济和人类健康问题。
Nitrate pollution in groundwater is now one of the most important environmental problems all over the world, so the restoration of it has become an urgent affair.
地下水中硝酸盐污染已经成为世界范围内的重要环境问题，修复地下水硝酸盐污染已成为当务之急。
The causes of groundwater nitrate pollution have been analyzed and the appropriate measures for preventing groundwater from nitrate pollution have also been proposed.
分析了造成地下水硝酸盐污染的原因，提出了相应的防治措施与对策。
In recent years, studies on nitrate removal from groundwater has been paid more and more concern and attention due to the increasing nitrate pollution of groundwater.
近年来，由于地下水硝酸盐污染日益严重，开展地下水中硝酸盐氮修复技术的研究越来越受到关注和重视。
The results indicated that nitrate pollution of vegetables in Guangdong was serious, and that of leafy vegetables in particular, was higher than related hygienic standard.
结果表明，广东省蔬菜生产基地的蔬菜硝酸盐含量超标严重，特别是市民食用量较大的几种叶类蔬菜超标最为明显。
The study provides a practical tool for analysis and management of groundwater nitrate pollution in North China Plain and serves as a supplement of processed-based non-point pollution.
该研究可为华北平原农区地下水质管理提供分析工具与决策依据，是对非点源污染机理模型的有益补充。
Nitrate content in ground water accumulates obviously with the increase of N-fertilizer applied, so the potential pollution should not be ignored.
随着施N时间的推移和施用量的增加，地下水中硝态氮具有明显的积累趋势，潜在污染不容忽视；
Preventing the nitrate and nitrite pollution of vegetable have an important value to ensure the public health.
预防蔬菜的硝酸盐和亚硝酸盐污染对于保障人体健康具有重要意义。
From the nitrogen pollution of Changhun groundwater analysis, the discovery showed the main nitrogen pollutant in the groundwater is nitrate.
前言：通过对长春市地下水中“三氮”污染状况的分析，发现硝酸盐是地下水中的主要氮污染物。
The author prospected the measure of reducing the pollution of nitrate in the vegetable on the base of pollution present in Xinxiang area.
针对新乡市蔬菜硝酸盐污染现状，提出了降低蔬菜硝酸盐污染的措施。
The urban district nitrate nitrogen pollution intensity is bigger than the humanity to move a weaker area by far.
市区的硝酸盐氮污染的强度远远大于人类活动较弱的地区。
Air pollution factors include sulfate or nitrate second particles derived from gas-to-particle transformation as well as original particles.
影响能见度的空气污染因子，不仅包括一次源，还应包括经由气-粒转化化学反应而产生的硫酸盐、硝酸盐等二次污染粒子。
Nitrogen may cause non_point pollution in water in forms of eutrophication in surface waters and high nitrate concentration in ground water.
氮素流入对水域的污染为非点源污染，主要导致地表水的富营养化、地下水硝酸盐含量过高等。
The catalytic hydrogenization process offers a practical approach to remove nitrate from water due to the high efficiency and the benefit free from secondary pollution.
催化加氢还原硝酸盐生成氮气具有高效、无二次污染等特点，是一种应用前景良好的脱氮技术。
Two-dimension groundwater quantity and quality model in the vertical profile is made to carry out the simulation and analysis of nitrate-N pollution of the groundwater in the typical profile.
所建立的地下水垂向剖面的二维水量水质模型，对典型剖面中地下水的硝态氮污染进行了模拟和分析。
The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.
计算结果表明，唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。
The human capital approach (HCA) was applied to valuate the loses of groundwater source pollution by nitrate in the typical high-yielding farming region North China.
应用人力资本法(HCA)评估了华北典型高产粮区地下水资源硝酸盐污染的价值损失。
Due to the high concentration of COD, and the existence of many pollution matter in the nitrate wastewater, and its treatment is rather difficult for small nitrate plant.
氮肥生产废水污染物成份多，COD浓度高，特别是小企业，治理起来困难很大。
Due to the high concentration of COD, and the existence of many pollution matter in the nitrate wastewater, and its treatment is rather difficult for small nitrate plant.
氮肥生产废水污染物成份多，COD浓度高，特别是小企业，治理起来困难很大。
应用推荐