The design of a lighting environment is a complex task because of the need to satisfy multiple criteria, which are often in conflict with each other, for example, an adequate level of illumination needs to be maintained in a space to satisfy the requirements for various tasks, while not sacrificing illuminance uniformity or introducing glare and discomfort. The position of luminaires can impact...

background: it has been prover that the prevalence of experiencing job related stress is very high among the dentists. this stress can be the result of factors such as poor lightening of dental office and noise. this stress can cause emotional distress and threaten dentists’ physical health and affect the quality of their life. this study is conducted to determine dentists’ professional quality...

Panoramic images can be used as an image-based method for navigating in a real environment. Recent publications have shown that it is possible to augment photographs with correct lighting. We combine these two approaches to an interactive tool with real-time modifications of the real scene maintaining consistent lighting. The possible changes are: Insertion of virtual objects, new light sources...

In the past 5 years, high brightness LEDs have begun to penetrate the lighting market. High brightness LEDs are attractive due to their high efficiency, very low power consumption and very long lifespans. This paper describes experiences in using white LEDs for lighting rural households in developing countries. The Light Up The World Foundation (LUTW) is an aid organization that has formed part...

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This study was conducted to determine the effects of increasing lighting after peak production on eggs production and Hatchable Eggs in broiler breeder Hubbard F15. In this research we used from 4 growing saloons, that in per saloons were 5250 Hubbards broiler breeder hens. In this Experiment we used by Line design way of GLM for analysed data, that we considered the Effects of two parameters, ...