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A digital thermometer reading an ambient temperature of 36.4°C (97°F) in an unventilated room during a heat wave; a high indoor temperature can cause heat exhaustion or heat stroke in a person. The World Health Organization in 1987 found that comfortable indoor temperatures of 18–24 °C (64–75 °F) were not associated with health risks ...
Industrial noise control is a subset of interior architectural control of noise, with emphasis on specific methods of sound isolation from industrial machinery and for protection of workers at their task stations. Sound masking is the active addition of noise to reduce the annoyance of certain sounds, the opposite of soundproofing.
The representation is made on a temperature-relative humidity, instead of a standard psychrometric chart. The comfort zone in blue represents the 90% of acceptability, which means the conditions between -0.5 and +0.5 PMV, or PPD < 10%.
Scott Warrick of Bloomington, Ind. has a noise problem outside his house: jackhammers. "I'm enduring three months of daily jackhammering as they tear down a local school." Excessive noise entering ...
The air temperature is the average temperature of the air surrounding the occupant, with respect to location and time. ... temperatures than young adults (76 vs 72 ...
The results of this study showed that older adults, in comparison to younger populations, may benefit from slightly warmer temperatures at night, between 68 and 77 °F. Beyond this range, sleep ...
Suggested caption: More than a quarter of US residences have average outside noise levels exceeding the maximum nighttime outside noise level recommended by the World Health Organization. Technical note: most SVG code was automatically generated by the "Pie charts" spreadsheet linked at User:RCraig09/Excel to XML for SVG. Minor additions and ...
The cold may not be many people’s favorite thing, but if you can brave the temperatures and spend time somewhere with snow in the forecast, it’s worth it to go outside and enjoy the sound of a ...
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