نتایج جستجو برای: fire

تعداد نتایج: 42820  

Journal: :Environmental Modelling and Software 2009
J. J. Sharples R. H. D. McRae R. O. Weber A. M. Gill

Fire danger rating systems are used to assess the potential for bushfire occurrence, fire spread and difficulty of fire suppression. Typically, fire danger rating systems combine meteorological information with estimates of the moisture content of the fuel to produce a fire danger index. Fire danger indices are used to declare fire bans and to schedule prescribed burns, among other applications...

Journal: :international archives of health sciences 0
sarsangi v. occupational health engineering department, health faculty, kashan university of medical sciences, pezeshk street, kashan, iran saberi h. r. “occupational health engineering department, health faculty” and “social determinants of health research center”, kashan university of medical sciences, kashan, iran malakutikhah m. “occupational health engineering department, health faculty” and “social determinants of health research center”, kashan university of medical sciences, kashan, iran sadeghnia m. “occupational health engineering department, health faculty” and “social determinants of health research center”, kashan university of medical sciences, kashan, iran rahimizadeh a. social determinants of health promotion research center, hormozgan university of medical sciences, bandar abbas, iran aboee mehrizi e. environment health engineering department, health faculty, north khorasan university of medical sciences, bojnurd, iran

aims: the occurrence of fire in residential buildings , commercial complexes and large and small industries cause physical, environmental and financial damages to many different communities. fire safety in hospitals is sensitive and it is believed that the society takes the responsibility to care sick people . the goal of this study was to use fire risk assessment method for engineering (frame)...

Wildfires are of the forest-related disasters caused by inhumane factors.  Spreading of these fires is due to the increase of the density of flammable plants. Two important approaches to prevent this occurrence are fuel treatment and fire suppression resources preparedness. In this paper, a mixed integer programming model is proposed based on the covering location and assignment problems which ...

2015
Caleb Boadi Simon K. Harvey Agyapomaa Gyeke-dako

Stochastic dynamics involved in ecological count data require distribution fitting procedures to model and make informed judgments. The study provides empirical research, focused on the provision of an early warning system and a spatial graph that can detect societal fire risks. It offers an opportunity for communities, organizations, risk managers, actuaries and governments to be aware of, and...

2017
Alisa Keyser Anthony LeRoy Westerling

A long history of fire suppression in the western United States has significantly changed forest structure and ecological function, leading to increasingly uncharacteristic fires in terms of size and severity. Prior analyses of fire severity in California forests showed that time since last fire and fire weather conditions predicted fire severity very well, while a larger regional analysis show...

Journal: :journal of rangeland science 0
jalil ahmadi ferdowsi university of iran mohammad farzam ferdowsi university of mashhad amir lagzian ferdowsi university of mashhad

fire is one of the incorporate vegetation management practices for grasslands and semi-arid rangelands. it may affect symbiotic relationship between range plants and mycorrhiza. accordingly, this research was aimed to investigate the effects of a spring prescribed fire on the symbiotic relationships between mycorrhiza and 6 plant species. the study was conducted in a semi-arid steppe rangeland ...

Journal: :Ecological applications : a publication of the Ecological Society of America 2016
Michelle Coppoletta Kyle E Merriam Brandon M Collins

In areas where fire regimes and forest structure have been dramatically altered, there is increasing concern that contemporary fires have the potential to set forests on a positive feedback trajectory with successive reburns, one in which extensive stand-replacing fire could promote more stand-replacing fire. Our study utilized an extensive set of field plots established following four fires th...

Introduction: Due to the presence of causes of fire in the operating room,  that these kinds of accidents likely take place in these places. Therefore, it is necessary for the operating room staff, including the anesthesia team and the operating room, to have sufficient information in order to prevent the accident and function properly during the accident. This study aimed to investigate the kn...

زحمت‌کش, محمدمهدی, ظریفی, مهران, موسوی, معصومه, گل‌دربر, دینا, احتشامی‌افشار, امین ,

Firefighters and fire victims are exposed to different particles of fire smoke and high temperature of the fire. In order to evaluate pulmonary complaints and function test, 120 firefighters were randomly chosen from different stations and were studied by questionnaire and spirometry. They were then compared with medical college personnels who were not significantly different from t...

ژورنال: مهندسی دریا 2012

Beam-to-column connections have been found to be of great significance in influencing structural behavior at ambient and elevated temperatures. Observations from full-scale fire tests and damaged structures confirm that connections have a considerable effect on the stability time of structural components in fire. Due to the high cost of elevated temperature tests, adequate experimental data abo...

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