نتایج جستجو برای: pollution detection
تعداد نتایج: 633865 فیلتر نتایج به سال:
Air quality monitoring in polluted environments is of great significance to human health. Traditional methods use various pieces meteorological equipment, which have limited applications complex terrains and high costs. In this paper, a novel idea put forward solve the problem air pollution urban areas. We investigate whether can be assessed visually by examining haziness photos from far distan...
Air Pollution monitoring and measurement are generally done using sampling techniques and analysis equipment often heavy, complex and expensive. Although these methods offer a high measurement precision which is essential to answer standards requirements, they are not adapted for quality oriented applications where simple information with low precision can be sufficient. The use of semiconducto...
Simultaneous analysis of explosives to identify, determine the purity and eliminate environmental pollution requires rapid, simple and cheap methods. Spectrophotometries method (UV-Vis), high-field proton nuclear magnetic resonance (1H-NMR), Raman spectroscopy and near infrared (NIR) are common methods that are applicable in two ways of direct and indirect in simultaneous analysis. In this poin...
Burning of nearly 700 Kuwaiti oil wells and storage tanks during the Persian Gulf war made a severe impact on the environment of the region by emitting about 5000 tons of smoke daily. The fall out of smoke plumes in forms of dry and wet deposition reached even to the center and north of Iran. The majority of the rich and productive rangelands in the southern parts of Iran were strongly marked b...
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
Low emission zones (LEZs) aim to reduce pollution and traffic congestion in cities. Current proposals for managing LEZs introduce a significant error percentage in the detection of fraudulent drivers and represent a serious privacy threat for the honest ones. In this article, a new electronic toll system to improve both issues is proposed.
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