sewage是什么意思

网络释义

用法例句

Effects of effluent irrigation on the variation of chemical element concentrations of soil extractions under field conditions;

污水灌溉对土壤浸提液元素浓度变化影响的田间试验研究

This paper analysed heavy metal content in soil samples of different depth from the eastern,analyzed the relation between the concentration change of heavy metals in soil,provided the scientific evidences for effluent irrigation,solving the problems of water in effluent irrigation areas and environmental impact assessment.

通过对某污灌区土壤中重金属的测试,分析了不同土层剖面深度土壤样品中重金属Cr、Cu、Cd、Pb元素含量,揭示了重金属在垂直方向上的浓度梯度变化趋势与土壤性质的内在联系,为指导污水灌溉,解决污灌区缺水的现状,以及开展环境影响评价工作提供了科学依据。

We analyzed and evaluated contents of several heavy metals(Cr,,Cu,Cd,Pb)in soil samples at different depths collected from eastern Inner Mongolia receiving effluent irrigation.

结果表明,随着土层加深重金属含量减少,经过十几年的污水灌溉,当地的地下水目前没有受到污染,这说明重金属在土壤中的迁移具有随着土层厚度增加而减弱的趋势。

Nitrogen wastewater irrigation study and its contamination risk analysis;

含氮污水灌溉实验研究及污染风险分析

Diary effluent is typically rich in nitrogen and phosphorus, and wastewater irrigation can reduce fertilizing costs and slacken contamination.

合理的灌溉指标和方法,是污水灌溉安全高效进行的主要保证。

Abstract The impact of wastewater in Shawan Wastewater Pool in the refinery of Dushanzi Petrochemical Company on surrounding environment and the impact of wastewater irrigation on soil,environment and vegeta- tion are analyzed,which provides important information on the re-utilization of treated wastewater from petro- chemical plants.

针对独山子石化分公司炼油厂沙湾污水库储水对周围环境及利用污水库污水灌溉对土壤环境和植被影响进行分析。

Research progress on heavy metal pollution in sewage irrigation;

污水灌溉重金属污染研究进展

Impact of depth of groundwater table on nitrogen dynamics in soil under sewage irrigation;

变饱和带条件下污水灌溉对土壤氮素运移和冬小麦生长的影响

Effects of sewage irrigation on winter wheat quality and Yield;

污水灌溉对冬小麦产量及其品质的影响

Effect of additional organic carbon on nitrogen transport in waste water irrigation;

外加碳源对污水灌溉系统氮素迁移转化影响的实验研究

It is concluded that the test soils in waste water irrigation area of western Shenyang suburb were heavily contaminated,suggesting that engineering,biological and chemical measures must be taken to remedy contaminated soils in a long period.

为评价污水灌溉区农田土壤重金属污染状况,采用单因子指数和综合多因子指数法,对沈阳西郊污灌区农田土壤重金属铜锌铅的污染特征进行了研究。

Sewage effluent is considered as an important water resource which can be reused for irrigation.

污水灌溉是污水资源化的重要途径。

Studies on the Regional Health Risk at the Area of the Sewage Irrigation in Shijiazhuang City

石家庄污水灌溉区区域健康风险研究

Study on Some Characteristics about Sewage Irrigation Farmland of Beijing Region;

北京地区污水灌溉农田若干特征研究

Research on the Total Quantity Control of Pollutant Discharge Oriented to the Agricultural Wastewater Irrigation;

面向农业污水灌溉的水污染物总量控制研究

Application of a wastewater land treatment system combined with wastewater irrigation

污水灌溉与污水土地处理系统在公厕污水处理中的应用

Nitrogen Transport under Sewage Irrigation at Different Groundwater Depth;

不同潜水埋深污水灌溉氮素运移试验研究

A Study on Heavy Metal Distribution under Sewage Irrigation;

污水灌溉条件下重金属分布规律的研究

Research on Tomato Growth and Quality with Sewage Irrigation;

污水灌溉对番茄生长与品质的影响研究

Study on the Nutrient Transport and Transformation in Soil with Sewage Irrigation;

污水灌溉土壤养分迁移转化规律的研究

Study on Crop Growth and Nitrogen Transport under Sewage Irrigation;

污水灌溉条件下作物生长及氮素运移试验研究

Bohai Typical Regression District--Investigation of Sewage Irrigation on Soil Pollution in Wuqiao County

渤海海退典型区——吴桥县污水灌溉对土壤污染调查

Nitrogen Transport and Impact on Crop Physiology under Sewage Irrigation at Different Groundwater Depth;

不同潜水埋深污水灌溉氮素运移及对作物影响试验研究

Impacts of Wastewater Irrigation on Agricultural Environment and Its Economic Loss Evaluation in Hebei Province;

河北省污水灌溉对农业环境的影响及经济损失评估

Study on Effective Operation Mode of Wastewater Irrigation in Agricultural Ecosystem;

污水灌溉在农业生态系统中良性运行模式的研究

Characteristics of heavy metal contamination in agricultural irrigation area with stainless steel electroplating water

电镀废水农业灌溉区重金属污染特征

Also banned is the use of roadside ditches for irrigation or drainage purposes.

禁止任意利用公路边沟进行灌溉或者排放污水。

Pollution Risks of Heavy Metals in Irrigated Water on Soils and Crops;

灌溉水中重金属对土壤和农作物的污染风险

Research on Groundwater Vulnerability Experiment of Reclaimed Wastewater District and Irrigation Allocation

再生水灌区地下水防污性能试验及灌溉区划研究