搜索结果: 1-15 共查到“环境科学技术 Emissions”相关记录36条 . 查询时间(0.188 秒)
New assessment maps emissions in New York neighborhoods near industrial areas
纽约工业区 排放地图 化石燃料排放
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2023/5/22
The explosive growth of online shopping has been heralded as a benefit for the environment, as consumers avoid the fossil fuel emissions associated with traveling to and from brick-and-mortar stores. ...
Researchers Discover Higher Environmental Impact From Cookstove Emissions（图）
Researchers Higher Environmental Cookstove Emissions
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2018/1/10
Cookstoves are a central part of millions of homes throughout Asia: families often use readily available and cheap biofuels — such as crop chaff or dung — to prepare the food needed to survive.Previou...
China’s Sulfur Dioxide Emissions Declined Significantly While India’s Grew Over Last Decade
China Sulfur Dioxide Emissions Declined Significantly India Grew Over Last Decade
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2017/11/24
Sulfur dioxide is an air pollutant that causes acid rain, haze and many health-related problems. It is produced predominantly when coal is burned to generate electricity.Although China and India remai...
An Efficient Multipollutant System for Measuring Real-World Emissions from Stationary and Mobile Sources
PM2.5 Emission factor Source profile Biomass burning Source characterization
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2016/3/28
A portable dilution sampling and measurement system was developed for measuring multipollutant emissions from
stationary and mobile sources under real-world operating conditions. This system draws a ...
Reduced rainfall in the northern tropics linked to industrial emissions, research suggests
Reduced rainfall northern tropics linked industrial emissions research suggests
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2015/3/4
Scientists have produced a rainfall record strongly suggesting that man-made industrial emissions have contributed to less rainfall in the northern tropics.
The research team, led by experts at Durha...
Study: Electric drive vehicles have little impact on U.S. pollutant emissions（图）
Electric drive vehicles pollutant emissions
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2014/3/18
A new study from North Carolina State University indicates that even a sharp increase in the use of electric drive passenger vehicles (EDVs) by 2050 would not significantly reduce emissions of high-pr...
The Effect of Catena Position on Greenhouse Gas Emissions from Dambo Located Termite (Odontotermes transvaalensis) Mounds from Central Zimbabwe
Greenhouse Gas Emissions Termites Mounds
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2013/2/27
Methane (CH4), carbon dioxide (CO2) and nitrous oxide (N2)O) are greenhouse gases (GHGs) which cause global warming. Natural sources of GHGs include wetlands and termites. Previous studies have quanti...
Residue Placement and Rate, Crop Species, and Nitrogen Fertilization Effects on Soil Greenhouse Gas Emissions
Greenhouse Gases Residue Management Nitrogen Fertilization Crop Species Spatial Variability
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2013/3/11
High variability due to soil heterogeneity and climatic conditions challenge measurement of greenhouse gas (GHG) emissions as influenced by management practices in the field. To reduce this variabilit...
Emissions of Polybrominated Diphenyl Ethers during the Thermal Treatment for Electric Arc Furnace Fly Ash
PBDEs EAF fly ash Thermal treatment Emissions
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2016/3/28
This study investigated the fate of polybrominated diphenyl ethers (PBDEs) in a thermal treatment system that was
employed to recover the metals from the electric arc furnace (EAF) fly ash. After 145...
Emissions of Regulated Pollutants and PAHs from Waste-cooking-oil Biodieselfuelled Heavy-duty Diesel Engine with Catalyzer
Waste cooking oil Biodiesel PAH Diesel engine Ultra-low sulfur diesel
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2016/3/28
The development of biodiesels is being driven by the need for reducing emissions from diesel engines without modifying
engines and for saving energy. The major obstacle to biodiesel commercialization...
Estimating the Effect of Carbon Tax on CO2 Emissions of Coal in China
Carbon Tax CO2 Emissions Coal Consumption
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2013/3/12
Using the co-integration model and the VAR model, this article estimates the effect of carbon taxes on CO2 emissions of coal in 2020. The estimation for the long-run price elasticity of coal in China ...
High-Precision GC-MS Analysis of Atmospheric Polycyclic Aromatic Hydrocarbons (PAHs) and Isomer Ratios from Biomass Burning Emissions
Agricultural-Waste Burning PAHs Accelerated Solvent Extraction GC-MS
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2013/3/12
This manuscript describes an analytical method for the quantitative determination of 16-polycyclic aromatic hydrocarbons (PAHs) using accelerated solvent extraction (ASE), followed by purification on ...
Puff Models for Simulation of Fugitive Hazardous Emissions in Atmosphere
Hazardous Emissions Advection-Diffusion Equation Analytical Solutions Air Pollution Modeling Puff Models
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2013/3/12
A puff model for the dispersion of material from fugitive hazardous emissions is presented. For vertical diffusion the model is based on general techniques for solving time dependent advection-diffusi...
Emissions of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans from an Electric Arc Furnace, Secondary Aluminum Smelter, Crematory and Joss Paper Incinerators
PCDD/Fs Flue gas Emission factor Fly ash Indicatory congeners
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2016/3/28
Emissions of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) from the stack flue gases, fly ashes and
bottom ashes of various stationary sources were investigated. The mean total PCDD/F...
Acid Gas, Acid Aerosol and Chlorine Emissions from Trichlorosilane Burning Processes
Trichlorosilane Burning process Acid gas, Acid aerosol Chlorine
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2016/3/28
This study was set out to investigate the emission characteristics of HCl (in both particle (HClp) and gaseous (HClg)
forms), and Cl2 during the trichlorosilane (TCS) burning process under various re...