نتایج جستجو برای: fire and earth

تعداد نتایج: 16850928  

2012
David Peterson Jun Wang

In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: a b s t r a c t a r t i c l e i n f o Keywords: Fire Wildfire Biomass burning MODIS Atmospheric correction Water vapor Emiss...

افشین, اسدالله, امیر زاده, فرید, براتی, بهروز, داودیان طلب, امیرحسین, مشکانی, محسن, مفیدی, امیرعباس, پور احمد, سعیده,

Introduction: There are risk of fire accidents in Operating rooms during surgery. Experts estimate annually around 100 fire accidents occur in the operating rooms of United States’s hospitals. 10 to 20 of these accidents lead to severe injuries and about 1 to 2 lead to death. Despite such accidents rarely happen, but they can lead to serious injury or death of patients. .Material and Metho...

Journal: :ecopersia 0
seyed ata ollah hosseini associate professor of forestry and forest economics, university of tehran, tehran, iran. masoud esmaeili sharif isfahan research center for agriculture and natural resources, isfahan, iran mohammad amoozad forest, range and watershed administration, sari district, sari, iran korosh shirani associate professor at isfahan research center for agriculture and natural resources, isfahan, iran mohsen gorgandipour m.sc. student of forest engineering, faculty of natural resources, university of tehran, tehran, iran

the effect of forest roads on the extent and type of fire damage occurred in forests and rangelands of the neka county in mazandaran province was investigated. for this purpose, all fire spots, stand number, percentage and type of injury and damage to tree species, and average diameter at breast height (dbh) were noted with 100% inventory; area and geographic location of access roads were deter...

Journal: :Evolution; international journal of organic evolution 2007
Miguel Verdú Juli G Pausas José Gabriel Segarra-Moragues Fernando Ojeda

Mediterranean-type ecosystems are among the most remarkable plant biodiversity "hot spots" on the earth, and fire has traditionally been invoked as one of the evolutionary forces explaining this exceptional diversity. In these ecosystems, adult plants of some species are able to survive after fire (resprouters), whereas in other species fire kills the adults and populations are only maintained ...

Journal: :محیط زیست طبیعی 0
منصوره کارگر دانشکده منابع طبیعی دانشگاه علوم کشاورزی و منابع طبیعی ساری زینب جعفریان دانشیار دانشگاه علوم کشاورزی و منابع طبیعی ساری

natural fire inflicting irreparable damage to rangelands and forest areas is cause changes in landscape ecology. the purpose of this research is comparison of artificial neural network (ann) and line regression (lr) models to predict of forest and rangelands fires to this end, the data consist fire burned area and fire were used weather data over a period of 7 years (2006-2012(.the result indic...

Journal: :پژوهش های روستایی 0
علیرضا دربان آستانه استادیار دانشکده جغرافیا دانشگاه تهران اسماعیل زیارتی معاون مدیر کل دفتر مطالعات و برنامه ریزی روستایی- سازمان شهرداری ها و دهیاری های کشور سارا جعفری دانشجوی کارشناسی ارشد جغرافیا و برنامه ریزی روستایی دانشگاه تهران رباب سائلی دانشجوی کارشناسی ارشد جغرافیا و برنامه ریزی روستایی دانشگاه تهران

introduction the fire services play a key role in safety issues for any country. the operations of the services have a high visibility since the public is aware of its own vulnerability and possibly vital reliance on the service. firemen and women are rightly admired, particularly as their intervention may carry a risk to their own lives. more generally, this service comes at a considerable cos...

ژورنال: سلامت کار ایران 2015

Background and aims:  From the 70s onwards, safety engineering made significant progress in developing techniques and regulations relating to the fire. The first, this methods was considered after happening accidents to prevent similar accidents. But with the advancement of technology, the prediction and prevention of fire in complex industries such as power plant finds Important. This study is...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Robert D Field Guido R van der Werf Thierry Fanin Eric J Fetzer Ryan Fuller Hiren Jethva Robert Levy Nathaniel J Livesey Ming Luo Omar Torres Helen M Worden

The 2015 fire season and related smoke pollution in Indonesia was more severe than the major 2006 episode, making it the most severe season observed by the NASA Earth Observing System satellites that go back to the early 2000s, namely active fire detections from the Terra and Aqua Moderate Resolution Imaging Spectroradiometers (MODIS), MODIS aerosol optical depth, Terra Measurement of Pollution...

2017
Yiping Li Jianjun Zhao Xiaoyi Guo Zhengxiang Zhang Gang Tan Jihong Yang

Grassland, as one of the most important ecosystems on Earth, experiences fires that affect the local ecology, economy and society. Notably, grassland fires occur frequently each year in northeastern China. Fire occurrence is a complex problem with multiple causes, such as natural factors, human activities and land use. This paper investigates the disruptive effects of grassland fire in the nort...

ژورنال: سلامت کار ایران 2008
احمدی, سعید, عدل, جواد , ورمزیار, سکینه,

  Background and aims   Fire and explosion hazards are the first and second of major hazards in process industries, respectively. This study has been done to determine fire and explosion risk severity,radius of exposure and estimating of most probable loss.   Methods   In this quantitative study process unit has been selected with affecting parameters on  fire and explosion risk. Then, it was a...

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