搜索结果: 1-15 共查到“环境科学技术 process”相关记录20条 . 查询时间(0.062 秒)
On October 28, the National Science Foundation (NSF) announced in the Federal Register the Notice of Availability and Notice of Public Meetings for the Draft Environmental Impact Statem...
Understanding of the Fate of Atmospheric Pollutants Using a Process Analysis Tool in a 3-D Regional Air Quality Model at a Fine Grid Scale
Air Pollutants Process Analysis Photochemical Indicator MM5 CMAQ
2013/2/27
The process analysis is performed for August and December, 2002 using the process analysis tool embedded in the Community Multiscale Air Quality (CMAQ) modeling system at a fine horizontal grid resolu...
Study on Characteristics in the Removal Process of Ammonia Nitrogen and Nitrate Nitrogen by an Isolated Heterotrophic Nitrification-Aerobic Denitrification Strain Rhodococcus Sp.
Aerobic denitrification Heterotrophic nitrification Rhodococcus sp Nitrogen removal
2013/3/9
Removal of ammonia nitrogen and nitrate nitrogen by an heterotrophic nitrification-aerobic denitrification strain is an economical and effective method. In this article, a kind of heterotrophic nitrif...
Recycle of Wastewater from Lead-Zinc Sulfide Ore Flo-tation Process by Ozone/BAC Technology
Lead-zinc sulphide ore Ozone/BAC flotation wastewater recycle
2013/3/9
Lead-zinc sulphide ore contains lead sulphide (galena), and zinc sulphide (sphalerite). In the first flotation stage, galena is rendered hydrophobic with an organic collector such as xanthate, while s...
Application, Evaluation, and Process Analysis of the US EPA’s 2002 Multiple-Pollutant Air Quality Modeling Platform
Multi-Pollutant Air Toxics Model Evaluation Process Analysis
2013/2/26
A multiple-pollutant version of CMAQ v4.6 (i.e., CMAQ-MP) has been applied by the US EPA over continental US in 2002 to demonstrate the model’s capability in reproducing the long-term trends of ambien...
Influencing Factors and Process on in Situ Degradation of Poly(Butylene Succinate) Film by Strain Bionectria ochroleuca BFM-X1 in Soil
Poly(Butylene Succinate) (PBS) In Situ Biodegradation Strain B. ochroleuca BFM-X1 Temperature Humidity
2013/3/11
This is the first report on the PBS film degraded by any Bionectria ochroleuca fungal strain. The fungal strain BFM-X1 was isolated from an air environment on a vegetable field and was capable of degr...
A Review of Termo- and Diffusio-Phoresis in the Atmospheric Aerosol Scavenging Process. Part 1: Drop Scavenging
Thermophoresis Diffusiophoresis Impaction
2013/2/26
The role of phoretic forces in providing in-cloud and below-cloud scavenging due to falling drop is reviewed by considering published papers dealing with theoretical models, laboratory and field measu...
Study of the Desulfurization Process and Gas-Solid-Liquid Phase Distribution under the Complex Humidification Conditions in Dense Tower
Composite Humidification Dense-Phase FGD Turbulence Intensity
2013/3/11
In making the gas-solid-liquid phase analysis, based on the collaborative study of the internal and external humidification ratio of desulfurization efficiency, determine the humidifier ratio within 6...
Enhancement of Quality of Secondary Industrial Wastewater Effluent by Coagulation Process: A Case Study
Coagulation Turbidity Industrial Wastewater Treatment Polymer
2013/3/13
The local wastewater treatment facility in Yanbu Industrial City receives 24,000 m3/day of industrial wastewater. This wastewater, mostly from refineries and petrochemical industries, goes through phy...
Laboratory Scale of Liquid Coal Fuel Combustion Process and Exhaust Gas Formation
Coal oil furnace combustion exhaust gas
2010/12/22
New way for preparation for liquid coal oil steady combustion on a 2.75 m horizontal boiler with four annular segment tubes, a water jacket system and a system for measurement of water temperature ins...
Properties of Sludge Produced From the Pressurized Wastewater Treatment Process
Biological wastewater treatment Sludge treatment Settleability Filterability, Pressure
2009/10/14
The aim of this study was to investigate the e ect of pressure on settleability and lterability of the sludge produced from a pressurized biological wastewater treatment unit in comparison with an eq...
Effect of Shock Chromium(VI) Load on the Activated Sludge Process
Activated sludge Cr(VI) heavy metals shock load
2009/10/14
The e ects of shock doses of Cr(VI) on activated sludge process operating at a xed dilution rate (0.12h−1) without recycle has been investigated. Di erent levels of Cr(VI) (1.0, 2.0, 3.0, 5.0, ...
Influence of Supplementary Bioavailable Carbon on the Thermal and Biological Kinetic Parameters of the Composting Process of Tomato Plant Trimmings
Compost bioavailable carbon tomato remains
2009/3/19
Three laboratory-scale bioreactors were used to investigate the influence of bioavailable carbon addition on the composting process of tomato remains. Sugar, cheese whey and used cooking oil were used...
The Role of Pioneer Vegetations in Accelerating The Process of Natural Succession
natural succession pioneer mixed culture
2009/3/18
Problem Statement: Even though bioengineering technique has been regarded as one way to alleviate landslide and erosion problems, this process of revegetation is severely time consuming as the process...
Application of Moving Bed Biofilm Process for Biological Organics and Nutrients Removal from Municipal Wastewater
Bioreactor biofilm carriers nitrogen removal biological phosphorus removal sewage treatment
2009/1/23
In this study, experiments have been conducted to evaluate the organics and nutrients removal from synthetic wastewater by a laboratory scale moving bed biofilm process. For nutrients removal