direct pollution

Optimal increase model of economy that has output of anti-pollution under control of direct anti-pollution;

直接反污染控制下具有反污染产出的经济最优增长模型

To investigate the distributing disciplinarian of perpendicularity contamination and characteristics of years distribution of heavy metal elements,samples from sediments whose depth was from 0 to 57 cm at the section of Wantou town of Le An River were collected.

采集乐安江中游湾头镇段底泥57 cm长的柱状样,采用微波消解、ICP-AES检测底泥柱状样重金属元素的含量,来探讨重金属元素垂直污染分布规律与年度分布特征。

Absorbent properties of synthesized carboxylmethylcellulose grafting polyacrylamide with quaternary ammonium group to direct dyes;

季铵化羧甲基纤维素接枝聚丙烯酰胺对直接染料的吸附脱色性能

Jet printing for textiles with direct dye jet inks;

直接染料喷射印花墨水的配制和应用

In this research,fourteen typical direct dyestuffs in 6 types were selected to study their biodegradability and color reductions under facultative condition.

实验分析了6大类14种直接染料在兼氧条件下的降解性能和脱色效果。

Heavy Metals Vertical Pollution Analysis of Sediment from DW Sampling Point of Poyang Lake Area

鄱阳湖水域DW采样点底泥重金属垂直污染分析

Perpendicularity Pollution and Distributing Character of Both Heavy Metal and OCPs of Sediment in Poyang Lake Drainage Basin;

鄱阳湖流域底质重金属及杀虫剂类POPs垂直污染分布特征

Air Pollution Characterictics of Beijing City in Summer;

北京市夏季污染物垂直分布特征研究

Research on Removal Mechanism for Pollutant in Vertical-Flow Constructed Wetland;

垂直潜流人工湿地中污染物去除机理研究

Vertical Distribution of the Main Air Pollutants in the Atmosphere in Tianjin

天津城市主要大气污染物浓度垂直分布

Vertical distribution of air pollutants in the atmosphere in Tianjin

天津城市大气污染物浓度垂直分布特征

Study on Transport Mechanism of Nitrogen Pollutants in Saturated Clay Layer under Vertical Infiltration

氮污染物通过饱和粘性土层垂直渗透时迁移机理研究

On the vertical distribution of particle pollution and noise in high-rise buildings

城市高层建筑大气颗粒物污染和噪声垂直分布特征

Pollution and Vertical Distribution of Pb,Cd,Cu & Zn in Paddy Soils in Yixing

宜兴地区水稻土Pb Cd Cu Zn污染及垂直分布特性研究

THE EFFECT OF QIZISHAN LANDFILL'S VELTICAL ANTI-SEEPAGE SYSTEM ON BLOCKING EAVIRONMENTAL POLLUTION

七子山垃圾填埋场垂直防渗系统对环境污染的阻滞作用研究

Determination of the Vertical Column Density of Trace Gas Measured by MAX-DOAS

被动多轴DOAS技术污染气体垂直柱浓度反演方法研究

Study on Scanning Differential Optical Absorption Spectroscopy for Monitoring Vertical Profiles of Atmospheric Pollutant

大气污染物垂直廓线扫描差分吸收光谱方法研究

An SIR Epidemic Disease Model with Vertical Transmission and Pulse Vaccination

具有垂直传染的SIR脉冲预防接种模型

Global Analysis of SIS Epidemic Model with Vertical Infections

一类具有垂直传染的SIS传染病模型的全局分析

Law of Vertical Turbulent Mixing of pollutantin Natural River and its Application;

河流中污染物垂向紊动混合规律及其应用研究

Something vertical, as a line, plane, or circle.

垂直物垂直的东西，比如垂直线，垂直面或垂直圆

Optimization of Integrated Vertical Infiltration Treatment System Applied in Rural Wastewater Treatment;

复合垂直流渗滤系统处理村镇污水工艺优化

Study on Nitrogen Removal in Integrated Vertical Flow Constructed Wetland Sewage Treating System;

复合垂直流人工湿地对污水中氮去除效果研究