نتایج جستجو برای: lighting systems

تعداد نتایج: 1197838  

Journal: :international journal of occupational hygiene 0
majid hajibabaei department of occupational health engineering, school of health, ahvaz jundishapur university of medical science, ahvaz, iran. azadeh saki department of biostatistics and epidemiology, school of health, ahvaz jundishapur university of medical sciences, ahvaz, iran. rostam golmohammadi department of occupational health engineering, school of public health and research center for health sciences, hamadan university of medical sciences, hamadan, iran. mina cheshmehkhavar department of occupational health engineering, school of health, research committee, ahvaz jundishapur university of medical science, ahvaz, iran. marzieh sarabi department of occupational health engineering, school of health, research committee, ahvaz jundishapur university of medical science, ahvaz, iran. maryam isvand department of occupational health engineering, school of health, research committee, ahvaz jundishapur university of medical science, ahvaz, iran.

well-designed lighting decreases accidents and diseases of eyes and can increase productivity and concentration. increase of energy price and a high proportion of electric lighting energy consumption in buildings due to defects in designing and maintenance led to desirable lighting to be reduced. one of our challenges in providing health and quality of lighting is lack of economic justification...

جمشیدی راستانی, مهدی, سلیمی, نسیم, شفیعی مطلق, مسعود, ولی زاده, زهرا, گلمحمدی, رستم,

  Background & Objectives: Comfort lighting is one of the most important topics, which provides optimum physical conditions in general environment and workplaces such as hospitals. This study aimed to evaluate general, local and area artificial illumination of Hamadan city hospitals .   Methods : In this descriptive-analytical study, general, local and area artificial illumina...

Journal: :international journal of architecture and urban development 0
fahimeh motazedian ph.d. candidate of architecture, department of art and architecture, science and research branch, islamic azad university, tehran, iran mohammadjavad mahdavinejad associate professor, department of art and architecture, tarbiat modares university, tehran, iran. farah habib professor, department of art and architecture, science and research branch, islamic azad university, tehran, iran. darab diba professor, department of art and architecture, central tehran branch, islamic azad university, tehran, iran.

buildings play an important role in the energy demand sector. due to the increase of environmentalconcerns and renewable energy sources restriction, lighting control systems will play an important role in the reductionof energy consumption of the lighting without impeding comfort goals. lighting control systems can control lightingconsumption according to the type of building, adequate luminanc...

Journal: :international archives of health sciences 0
a.r. mashkoori “work health research center” and “occupational health engineering department, health school”, qom university of medical sciences, qom, iran s. asadi “work health research center” and “occupational health engineering department, health school”, qom university of medical sciences, qom, iran a.r. yari research center for environmental pollutants, qom university of medical sciences, qom, iran z. allahdadi “work health research center” and “occupational health engineering department, health school”, qom university of medical sciences, qom, iran z. gharlipour health education & promotion department, health school, qom university of medical sciences, qom, iran a.r. koohpaei department of occupational health engineering, school of health, qom university of medical sciences, roohallah square, moallem street, qom, iran

aims: work proper lighting means a safe, healthy and comfort conditions for work under a lighting system that includes qualitative and quantitative features. this study aimed to evaluate the surface local lighting of works and eye fatigue among research and development staffs of an automotive industry. instrument & methods: in this descriptive study in research and development department of an ...

Buildings play an important role in the energy demand sector. Due to the increase of environmentalconcerns and renewable energy sources restriction, lighting control systems will play an important role in the reductionof energy consumption of the lighting without impeding comfort goals. Lighting control systems can control lightingconsumption according to the type of building, adequate luminanc...

ژورنال: سلامت کار ایران 2016

Background and aims:The aim of the good quality lighting is that which balanced the needs of humans, economic and environmental issues, and created suitable lighting for a particular visual activity (e.g. reading, writing, etc.). Quality lighting is very important to incising productivity and learning of students. The main idea of energy-efficient lighting is to reduce the amount of electricity...

ذاکریان, سید ابوالفضل, زارع, اسماء, غریب, سیف اله, ملکوتی خواه, مهدی, گروسی, احسان,

Introduction: Control room is one of the most important working environments that require optimal performance of individuals to minimize errors. Lighting is one of the environmental factors affecting the operation of the control room operators. Providing optimal lighting in the control room is very important. The purpose of this study was to determine the effect of light on workload, sleepiness...

Background: Lighting is a basic need for human beings and affects their physical, physiological, and psychological behavior. The required level of lighting for visual performance must be provided in order to ensure health and wellbeing. Students spend much of their time studying in libraries, and thus, sufficient lighting is necessary in libraries. Therefore, the aim of the present study was to...

Arash Rikhtegar Mehdi Asadzadeh

Today, with the advancement of technology, the use of tools for extracting information from video are much wider in terms of both visual power and the processing power. High-speed car, perfect detection accuracy, business diversity in the fields of medical, home appliances, smart cars, humanoid robots, military systems and the commercialization makes these systems cost effective. Among the most...

2002
Ramesh Raghavan Nadarajah Narendran

The intent of this paper is to initiate a discussion within the community interested in commercial refrigerators, on the possible use of LED lighting in commercial refrigerated and freezer display cases. The fluorescent lighting presently used in commercial refrigerators is inefficient in the application and also it provides poor lighting for merchandising. LED is a solid-state light source tha...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید