نتایج جستجو برای: fire detector
تعداد نتایج: 101184 فیلتر نتایج به سال:
OBJECTIVES To reduce fires and fire related injuries by increasing the prevalence of functioning smoke alarms in high risk households. SETTING The programme was delivered in an inner London area with above average material deprivation and below average smoke alarm ownership. The target population included low income and rental households and households with elderly persons or young children. ...
This paper has proposed an IoT based industrial fault detection and diagnosis system. The (Internet of things) industry protection system employing Arduino is intended to safeguard industries from losses brought on by accidents monitoring the faults. Industrial such as gas leakage causes fire resulting in significant setbacks. Due furnace explosions, electrical short circuits, or other circumst...
Background: Fire affects quantitative and qualitative indicators by changing stable plant communities, changing genetic diversity and reducing plant and animal species and the succession and steps are effective. The severe effects of fires on the reduction of soil protection, production and changes in plants palatability, animal breeding conditions, challenges in the livelihoods of farmers, dis...
according to reports of forest range and watershed management organization of iran, hundreds of forest fires take place in our country every year. due to destroying forest and grass land in different parts of iran, especially in zagross and alborz mountain, it is necessary to develop new methods to reduce fire effects in these places. there are many parameters that increase probability of fire ...
nanoclay/triphenyl phosphate hybrid system was employed to examine the fire retardancy and mechanical properties of pc/abs blends. each of the polymers and their blends are widely used in the automotive, electrical andelectronic industries. because most thermoplastics are easily combustible they need to be flame retarded to reduce the burning rate especially in the initial phase of a fire incid...
the aim of this study was to assess the regional effects of fire on the surface cover and forage production of mountainous rangelands of delfan county, lorestan province, iran. the fire took placed in june 2007 with significant effects on the vegetation characteristics in the study area. four fire affected sites were selected for sampling and a close area without fire was considered as control....
With the rapid development of economy in China, many big city groups were established. Consequent to having so many big fires in the world and implementing performance-based design for new buildings having difficulties to comply with the prescriptive fire codes, evacuation in a fire has to be studied carefully in many big projects. Human behaviour in fires becomes a hot research topic in China....
Introduction: In the process industries, especially industries with hydrocarbons uses, due to flammability and reactivity of materials, high temperature, operation pressure, volatility and evaporability of liquid, fire and explosion hazard always has a great significances.The purpose of this study was to assess the quantitative fire safety using DOW’s fire and explosion index, in an oil extract...
Background and aims:Protection the hospitals against fire is very important due to presence of disable persons, lack of awareness and expensive devices and equipments in the hospitals. This study aimed to assess fire risk in the selected hospitals of Shiraz University of Medical Sciences. Methods: This cross-sectional descriptive study was conducted in 8 hospitals (16 buildings) affiliated b...
Unwanted fire alarms of firefighting facilities is the cause reducing reliability for occupants. Accordingly, it intended to review theoretical background unwanted and investigate opinions firefighting-related workers on alarms. There were 282 participants, all whom participated online. The majority respondents those who had a lot experience could distinguish between reports. In addition, in de...
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