نتایج جستجو برای: has led to increased air pollution todays

تعداد نتایج: 10900163  

Kourosh Mojavery Samak Reza Kakvan Shaghayegh DelfanAzari

For a few decades has proposed sustainable developing in different sciences and professions including architecture and urbanization and its origins  is in environmental crises  and also excessive use of fossilized energies in the world. problems such as global warming, increasingly developing of green house gases in atmosphere that its origin  is  in global warming , air and soil  pollution, an...

2013
Xiaohui Xu Sandie Ha Haidong Kan Hui Hu Barbara A Curbow Claudia TK Lissaker

BACKGROUND Air pollution has been extensively and consistently linked with mortality. However, no study has investigated the health effects of air pollution on length of survival among diagnosed respiratory cancer patients. METHODS In this study, we conducted a population-based study to investigate if air pollution exposure has adverse effects on survival time of respiratory cancer cases in L...

Journal: :Environmental Health Perspectives 2001
K Donaldson V Stone A Seaton W MacNee

Well-documented air pollution episodes throughout recent history have led to deaths among individuals with cardiovascular and respiratory disease. Although the components of air pollution that cause the adverse health effects in these individuals are unknown, a small proportion by mass but a large proportion by number of the ambient air particles are ultrafine, i.e., less than 100 nm in diamete...

عتابی, فریده, نوری, علی,

Background & Objectives : Cutting leads to production of different hazardous agents such as fumes, particles, gases and vapors. In various studies, the effects of fumes, gases, and vapors on workers and environment have been proved. Meanwhile, cutting alloying plates with plasma cutting machine due to containing various alloy materials produces a lot of air pollution. Therefore, using the venti...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1390

abstract: advertisements are the most accessible type of authentic materials, and this is one reason why they are used more and more in english teaching classes. for this cause, studies in the field of advertisements are very widespread nowadays. for pun is one aspect which makes advertisements more interesting, it is used more than before in advertisements. use of puns makes an advertisement m...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان 1389

implicit and unobserved errors and vulnerabilities issues usually arise in cryptographic protocols and especially in authentication protocols. this may enable an attacker to make serious damages to the desired system, such as having the access to or changing secret documents, interfering in bank transactions, having access to users’ accounts, or may be having the control all over the syste...

Journal: :The Yale Journal of Biology and Medicine 1991
W. S. Beckett

Of the outdoor air pollutants regulated by the Clean Air Act of 1970 (and recently revised in 1990), ozone has been the one pollutant most difficult to control within the federal standards. The known human health effects are all on the respiratory system. At concentrations of ozone which occur during summer air-pollution episodes in many urban metropolitan areas of the United States, a portion ...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1390

abstract: the present study is about prophet ishmael, some parts of his life; his personality in the quran and the bible; and the comparison of the content of these two religious books. compilation of the study has been done with a new perspective and new presentation approach. since prophets have been human beings’ role model and their life has been a perfect example for humanity in all ages,...

Journal: :American family physician 2017
Caroline Wellbery Mona Sarfaty

Air pollution has many deleterious health effects (Table 1). The International Energy Agency recently released a report attributing an annual 6.5 million premature deaths to air pollution worldwide.1 Although the Clean Air Act has done a great deal to improve air quality in the United States since 1970, some of these gains are being eroded in part because of changes in the climate. In fact, man...

2017
Chang Xu Rongxing Lu Huaxiong Wang Liehuang Zhu Cheng Huang

Air pollution has become one of the most pressing environmental issues in recent years. According to a World Health Organization (WHO) report, air pollution has led to the deaths of millions of people worldwide. Accordingly, expensive and complex air-monitoring instruments have been exploited to measure air pollution. Comparatively, a vehicle sensing system (VSS), as it can be effectively used ...

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