搜索结果: 1-12 共查到“环境工程学 Ozone”相关记录12条 . 查询时间(0.093 秒)
A wildfire can pump smoke up into the stratosphere, where the particles drift for over a year. A new MIT study has found that while suspended there, these particles can trigger chemical reactions that...
Fires Burning in Africa & Asia Cause High Ozone in Tropical Pacific（图）
Fires Burning Africa Asia High Ozone Tropical Pacific
2016/1/22
While efforts to limit ozone precursor emissions tend to focus on industrial activities and fossil fuel combustion in the United States and China, a new University of Maryland-led study suggests that ...
Ozone levels drop 20 percent with switch from ethanol to gasoline
Ozone levels drop 20 percent with switch from ethanol to gasoline
2014/5/13
Choice at the pump. When residents of São Paulo chose gasoline over ethanol to fuel their vehicles, levels of ozone actually decreased, according to a Northwestern study.
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...
Comparing the Adequacy of Some Non-Homogeneous Poisson Models to Estimate Ozone Exceedances in Mexico City
MCMC Algorithms Non-Homogeneous Poisson Models Change-Points Ozone Air Pollution Mexico City
2013/3/11
We consider some non-homogeneous Poisson models to estimate the mean number of times that a given environmental threshold of interest is surpassed by a given pollutant. Seven different rate functions ...
Using Spatial Econometrics to Measure Ozone Pollution Externalities
Air Pollution Externalities Spatial Econometrics
2013/3/11
This paper summarizes my previous work in Lin (2010), in which I use spatial econometrics to analyze air pollution externalities. In Lin (2010), state-by-state source-receptor transfer coefficients th...
High-Sensitivity Ozone Sensing Using 280 nm Deep Ultraviolet Light-Emitting Diode for Detection of Natural Hazard Ozone
Ozone Sensing Deep Ultra Violet Light Emitting Diode DUV-LED High Sensitivity Long Life Compact
2013/3/11
Recently ozone is one of natural hazards which comes from cars, industry using ozone for sterilization of organic and inorganic materials and for water purification. So, ozone sensing becomes very imp...
Stratospheric Ozone Detection Using a Photon Stimulated Ozone Sensor Based on Indium Oxide Nanoparticles
Stratospheric Ozone Photon Stimulation Indium Oxide Nanoparticles
2013/3/12
Stratospheric ozone is normally measured using stationary equipments, such as a Dobson spectrometer and filter ozonometer, which have the disadvantages of large size, high price and high cost for oper...
Treatment of Swine Slurry by an Ozone Treatment System to Reduce Odor
Swine Slurry Odor Treatment Ozone
2013/3/12
Development of a technology that can reduce the odor of liquid swine manure during agitation and land application could prove beneficial to the swine industry. The purpose of this study was to evaluat...
Status of Stratospheric Ozone over Pakistan 1987-2008
Ozone Layer Depletion Stratosphere Greenhouse Gases GHG’s and Solar Radiation
2013/3/13
The ozone layer depletion and its harmful impact on living beings have been a greater concern of all the scientists all over the world. The aim of this paper is to reveal the current status of stratos...
Tropospheric Ozone Effects on the Productivity of Some Crops in Central Saudi Arabia
O -Pollution short-term exposure crops growth reduction
2009/1/19
This study was conducted to evaluate damaging degree of ambient ozone (O3) levels in certain economically important crops in typical areas of the central KSA (Riyadh). Daily mean ozone concentrations ...
Recent Trends in Ozone and Particle Concentrations in the Sydney (Australia) Airshed
Long-term ozone data trend analysis fine particle long range dependence method
2009/1/4
An overview is presented of changes in ground level ozone and atmospheric fine particles determined using ambient monitoring data collected at selected locations in Sydney, Australia. After removing s...