نتایج جستجو برای: air pollutant

تعداد نتایج: 218528  

Journal: :The Science of the total environment 2007
Charles C-K Chou C-T Lee W-N Chen S-Y Chang T-K Chen C-Y Lin J-P Chen

An aerosol light detection and ranging (LIDAR) system was used to measure the depth of the atmospheric mixing layer over Taipei, Taiwan in the spring of 2005. This paper presents the variations of the mixing height and the mixing ratios of air pollutants during an episode of air quality deterioration (March 7-10, 2005), when Taipei was under an anti-cyclonic outflow of a traveling high-pressure...

2015
J. Li

Introduction Conclusions References Tables Figures

Journal: :محیط شناسی 0
حمیدرضا جعفری استاد مدیریت و برنامه ریزی محیط زیست، دانشکدۀ محیط زیست، دانشگاه تهران سیروس حسن پور دانشجوی کارشناسی ارشد سنجش از دور و gis، دانشکدۀ جغرافیا، دانشگاه تهران لیلا رحیلی خراسانی دانشجوی کارشناسی ارشد مهندسی زمین شناسی، دانشکدۀ علوم پایه، دانشگاه آزاد واحد علوم و تحقیقات تهران احمد پور احمد استاد جغرافیا و برنامه ریزی شهری، دانشکدۀ جغرافیا، دانشگاه تهران

introduction: the process of urbanism in countries that are developing, like islamic republic of iran with increasing of the number and the size of cities and the fast accepting of population have been caused the forming of problems like an in-official economics and in-official settlement and was become creating high population in main and old places of city and increasing of air pollution and ...

2014
Ivana Ilić Milovan Vuković Nada Štrbac Snežana Urošević

Air pollution caused by motor vehicles is one of the most serious problems of civilized society. The aim of this paper is to develop a decision support system that can be used by authorities to reduce air pollution from road transport. The essence of this system consists of mathematical sub-models based on the computer program methodology for calculating emissions from road transport, (COPERT I...

Journal: :Environmental health perspectives 2018
Yoonhee Kim Chris Fook Sheng Ng Yeonseung Chung Ho Kim Yasushi Honda Yue Leon Guo Youn-Hee Lim Bing-Yu Chen Lisa A Page Masahiro Hashizume

BACKGROUND There is growing evidence suggesting an association between air pollution and suicide. However, previous findings varied depending on the type of air pollutant and study location. OBJECTIVES We examined the association between air pollutants and suicide in 10 large cities in South Korea, Japan, and Taiwan. METHODS We used a two-stage meta-analysis. First, we conducted a time-stra...

2004
Alfred Helbig

In the course of the European Council Directive on permissible air pollutant limit values, valid starting from 2005 there is an urgent call for action, particularly for fine dust (PM10). Current investigations (Junk & Helbig 2003, Reuter & building Mueller 2003) show that the limit values in certain places in congested areas are exceeded. Only if it is possible to located these Hot Spots purpos...

Journal: :Environment international 2014
Michelle Oakes Lisa Baxter Thomas C Long

BACKGROUND Health effects associated with air pollution are typically evaluated using a single pollutant approach, yet people are exposed to mixtures consisting of multiple pollutants that may have independent or combined effects on human health. Development of exposure metrics that represent the multipollutant environment is important to understand the impact of ambient air pollution on human ...

Journal: :Journal of psychiatric research 2015
Jaelim Cho Yoon Jung Choi Jungwoo Sohn Mina Suh Seong-Kyung Cho Kyoung Hwa Ha Changsoo Kim Dong Chun Shin

The effect of ambient air pollution on panic disorder in the general population has not yet been thoroughly elucidated, although the occurrence of panic disorder in workers exposed to organic solvents has been reported previously. We investigated the association of ambient air pollution with the risk of panic attack-related emergency department visits. Using health insurance claims, we collecte...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید