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performance is important. The 1959 and 1972 recommendations for illumination levels were based on the principle of delivering a …
Persistent link: https://www.econbiz.de/10009435680
Creation of light for work, socializing, and general illumination is a fundamental application of technology around the … is the minimum illuminance demanded by end-users for a given task before recharging the lamp or replacing batteries. It … is charged or replaced and the illuminance degrades as the battery is discharged. When a minimum threshold level of …
Persistent link: https://www.econbiz.de/10009435764
superior lighting services to low income people in off-grid areas of developing countries, many of whom currently rely on fuel based lighting sources such as kerosene. If this potential is to be achieved in the near term, however, manufacturers must produce off-grid lighting products that are...
Persistent link: https://www.econbiz.de/10009436092
performance is important. The 1959 and 1972 recommendations for illumination levels were based on the principle of delivering a …
Persistent link: https://www.econbiz.de/10009437153
to shading or soiling (KEMA 2005). About 3% of a larger sample of 140 systems were not operating at all or were operating … markets worldwide, have also revealed some performance problems associated with issues such as shading, equipment and …
Persistent link: https://www.econbiz.de/10009436041
systems can be optimized on new homes by taking roof orientation and shading into account when designing the home. Perhaps …
Persistent link: https://www.econbiz.de/10009436828
orientation, shading, and other structural factors into account in the design of new homes. Building-integrated photovoltaics …
Persistent link: https://www.econbiz.de/10009437184
variations (pool size), geographic orientations, ground plantings and shading variations, number of hours of use, seasonal use …
Persistent link: https://www.econbiz.de/10009437436