نتایج جستجو برای: lighting system

تعداد نتایج: 2243240  

Background & Objectives: Desirable and ergonomic lighting in the workplaces has a significant impact on the visual effects and improve the efficiency and productivity of employees. This study aims to evaluate the lighting system and feasibility of improving the artificial lighting system for comfort lighting in the workshop of the Fourth South Pars Gas Refinery. Methods: In this descriptive-...

Journal: :jundishapur journal of health sciences 0
majid hajibabaei department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-6113738269, fax: +98-6113738282 samira kord department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; student research committee, ahvaz jundishapur university of medical sciences, ahvaz, ir iran ezat rasooli department of occupational hygiene, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; student research committee, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

results the results show the artificial lighting obtained by difference methods of the overall lighting from natural lighting in closed blinds mode equal to 266 lux and night lighting 283.5 lux that they have no significant differences with each other (p = 0.269). as well as the illumination intensity obtained from a standard grid method is 283.5 lux and illumination intensity based on luminair...

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: :علوم دامی ایران 0
مرضیه رحمانی دانش آموخته ارشد محمدامیر کریمی ترشیز استادیار تربیت مدرس رسول واعظ ترشیزی دانشیار دانشگاه تربیت مدرس

this study was conducted to compare the effects of different illumination programs on the cellular and humoral immune system using 320 one day–old male broilers (arian 386) in a completely randomized design of 8 replications (10 birds each). the four assayed lighting schedules were comprised of: 1- continuous lighting (control), 2- decrease then sudden increase of lighting, 3- decreasing-gradua...

Journal: :Journal of the Illuminating Engineering Institute of Japan 1989

Journal: :Journal of the Illuminating Engineering Institute of Japan 1989

Journal: :Journal of the Illuminating Engineering Institute of Japan 1998

Journal: :Journal of the Illuminating Engineering Institute of Japan 1997

Journal: :The Scientific Bulletin of Electrical Engineering Faculty 2021

Journal: :Journal of the Illuminating Engineering Institute of Japan 1989

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