نتایج جستجو برای: air pollution humidity

تعداد نتایج: 269054  

2017
Si Wang Shaocai Yu Pengfei Li Liqiang Wang Khalid Mehmood Weiping Liu Renchang Yan Xianjue Zheng

To obtain a comprehensive picture of characteristics and sources of haze pollution in Zhengzhou, we analyzed annual air pollutant (fine particulate matter (PM2.5), inhalable particulate matter (PM10), carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2) and ozone (O3)) observations at nine monitoring stations from March 1, 2013 to February 28, 2014. A case study on haze pollution ...

Journal: :Environmental Health Perspectives 2001
B Weinhold

Mass transit can help reduce air pollution if it replaces enough cars. But not everyone reaps the rewards, as a Harvard-led team discovered after studying diesel emissions in Boston’s Roxbury neighborhood [EHP 109:341–347]. Jonathan Levy and colleagues from the Harvard School of Public Health collaborated with a local advocacy organization called Alternatives for Community and Environment to be...

Journal: :Circulation. Heart failure 2013
Hong Qiu Ignatius Tak-sun Yu Lap Ah Tse Linwei Tian Xiaorong Wang Tze Wai Wong

BACKGROUND Although the seasonal variation and the effect of cold temperature on heart failure (HF) morbidity have been well documented, it is unknown whether the temperature variation within a day, that is, diurnal temperature range (DTR), is an independent risk factor for HF. We hypothesized that large DTR might be a source of additional environmental stress and, therefore, a risk factor for ...

2016
Dong Yan Tao Zhang Jing Su Li-Li Zhao Hao Wang Xiao-Mei Fang Yu-Qin Zhang Hong-Yu Liu Li-Yan Yu

To assess the diversity and composition of airborne fungi associated with particulate matters (PMs) in Beijing, China, a total of 81 PM samples were collected, which were derived from PM2.5, PM10 fractions, and total suspended particles during haze and non-haze days. The airborne fungal community in these samples was analyzed using the Illumina Miseq platform with fungi-specific primers targeti...

2017
Yulia Yamineva Seita Romppanen

Air pollution is a major global environmental problem, with various adverse effects on health and the environment. This introductory article provides an overview of related global and regional legal instruments. The article evaluates the legal landscape in terms of its coverage, geographic scope and effectiveness, and concludes that the legal measures currently in place fall far short of provid...

Journal: :محیط شناسی 0
غلامحسین کیانی استادیار گروه اقتصاد، دانشکدۀ علوم اداری و اقتصاد، دانشگاه اصفهان فاطمه یاری دانشجوی کارشناسی ارشد علوم اقتصادی، دانشکدۀ علوم اداری و اقتصاد، دانشگاه اصفهان هادی امیری استادیار گروه اقتصاد، دانشکدۀ علوم اداری و اقتصاد، دانشگاه اصفهان

introduction air pollution is one of the critical challenges in metropolitans around the world. according to world health organization (who), three millions people die from air pollution annually. in some studies mortality costs by air pollution was estimated. social cost of air pollution was estimated 28990 billions rials in tehran city. the mortality cost by air pollution was estimated about ...

2014
Yonghong Li Yibin Cheng Guoquan Cui Chaoqiong Peng Yan Xu Yulin Wang Yingchun Liu Jingyi Liu Chengcheng Li Zhen Wu Peng Bi Yinlong Jin

BACKGROUND Numerous studies have reported on the associations between ambient temperatures and mortality. However, few multi-city studies have been conducted in developing countries including China. This study aimed to examine the association between high temperature and mortality outcomes in four cities with different climatic characteristics in China to identify the most vulnerable population...

2017
Christina H. Fuller David R. Carter Matthew J. Hayat Richard Baldauf Rebecca Watts Hull

Traffic-related air pollution is a persistent concern especially in urban areas where populations live in close proximity to roadways. Innovative solutions are needed to minimize human exposure and the installation of vegetative barriers shows potential as a method to reduce near-road concentrations. This study investigates the impact of an existing stand of deciduous and evergreen trees on nea...

2016
Alejandro Álvaro-Meca Asuncion Díaz Javier de Miguel Díez Rosa Resino Salvador Resino

The aim of our study was to evaluate the seasonal variations and whether short-term exposure to environmental risk factors, such as climate and air pollution, is associated with PTB-related hospital admissions in human immunodeficiency virus (HIV)-infected patients in Spain during the era of combined antiretroviral therapy (cART). A retrospective study was carried out using data from the Minimu...

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