نتایج جستجو برای: traffic intensity

تعداد نتایج: 278210  

Journal: :تحقیقات نظام سلامت 0
مینا فرزان کارشناس ارشد، گروه محیط زیست، دانشکده علوم پایه، دانشگاه آزاد اسلامی، واحد همدان، همدان، ایران سهیل سبحان اردکانی دانشیار، گروه محیط زیست، دانشکده علوم پایه، دانشگاه آزاد اسلامی، واحد همدان، همدان، ایران

background : road runoff is a linear diffuse source of pollution, with very specific pollutant characteristics and ability to discharge into the environment. heavy metal pollution in road runoff has caused widespread concern since the last century. therefore, the purpose of this study was to assess fe, pb, and cd concentrations in surface runoff from regions with high traffic intensity in the c...

2007
Mario Cools Elke Moons Geert Wets

The investigation of weather effects on traffic intensity is important from a road safety point of view, because traffic intensity is noted as the first and primary determinant of traffic safety. Next to traffic safety, weather conditions affect other predominant traffic variables, namely traffic demand and traffic flow. Therefore the main objective of this study is the identification and compa...

Journal: :جنگل و فرآورده های چوب 0
شکوه سلطانپور دانشجوی کارشناسی ارشد مهندسی جنگل، دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران مقداد جورغلامی دانشیار گروه جنگلداری و اقتصاد جنگل، دانشکدة منابع طبیعی دانشگاه تهران، کرج، ایران

forest harvesting operations for extracting of forest products in these trails, causing extensive damage in a wide range of soil and its productivity every year, therefore it is necessary to research about degradation of soil properties should be down. the aim of this study was investigate changes in the skid trails soil physical characteristics due to wheeled cable skidder traffic by measuring...

Journal: :journal of artificial intelligence in electrical engineering 0

nowadays, because of the growing numbers of vehicles on streets and roads, the use of intelligent controlsystems to improve driving safety and health has become a necessity. to design and implement suchcontrol systems, having information about traffic light colors is essential. there are the wide variety oftraffic lights in terms of light intensity and color. therefore it seems that design and ...

Nowadays, because of the growing numbers of vehicles on streets and roads, the use of intelligent controlsystems to improve driving safety and health has become a necessity. To design and implement suchcontrol systems, having information about traffic light colors is essential. There are the wide variety oftraffic lights in terms of light intensity and color. Therefore it seems that design and ...

Journal: :Statistics, Optimization & Information Computing 2019

2016
Julio Blas Teresa Abaurrea Marcello D’Amico Francesca Barcellona Eloy Revilla Jacinto Román Martina Carrete

Traffic is often acknowledged as a threat to biodiversity, but its effects have been mostly studied on roads subjected to high traffic intensity. The impact of lower traffic intensity such as those affecting protected areas is generally neglected, but conservation-oriented activities entailing motorized traffic could paradoxically transform suitable habitats into ecological traps. Here we quest...

Journal: :Transportation Research Procedia 2018

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