Results 71 to 80 of about 65,935 (155)
, 1982 An acoustic oral hygiene unit is described that uses acoustic energy to oscillate mild abrasive particles in a water suspension which is then directed in a low pressure stream onto the teeth.
Heyman, J. S.
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F1000ResearchIntroduction Hospitals are intended to serve as healing environments; however, they are frequently characterized by high levels of environmental noise pollution that can contradict their therapeutic purpose.
Tahereh Eskandari +4 more
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Natural ventilation and acoustic comfort
, 2012 Natural ventilation offers the potential for a sustainable, low-energy, low-maintenance solution to providing air to building occupants. When compared to mechanical ventilation systems, it also gives the benefits that occupants feel more connected with the outside world and perceive that they have better control over their environment.
Chilton, Anthony +5 more
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EngEnvironmental comfort involves creating comfortable and healthy indoor environments, taking into account the climate characteristics of the built environment.
Thayná F. Ramos +4 more
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Noise Control and Simulation Optimization for Traction Converter of High-speed EMUs
机车电传动, 2019 It was found that the noise of traction converter was prominent when a high-speed EMUs was running, resulting in a harsh whistle, which seriously affected the sound comfort.
Yulong ZHU +3 more
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Scientific ReportsThe thermal comfort of urban parks is crucial for residents’ well-being and urban livability. There is limited research on the integration of different environmental factors in urban parks, with most studies focusing on hot, sunny days in summer.
Yu Zhang, Yuta Uchiyama, Masayuki Sato
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Physical and subjective studies of aircraft interior noise and vibration [PDF]
Measurements to define and quantify the interior noise and vibration stimuli of aircraft are reviewed as well as field and simulation studies to determine the subjective response to such stimuli, and theoretical and experimental studies to predict and ...
Leatherwood, J. D., Stephens, D. G.
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Project report. A subtropical urban community, investigating medium to high density residential typologies by Design Charrette [PDF]
, 2009 The Centre for Subtropical Design at QUT, in partnership with the Queensland Government and Brisbane City Council, conducts research focused on 'best practice' outcomes for higher density urban living environments in the subtropics through the study of ...
Kennedy, Rosemary
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An innovative numerical approach for railway rolling noise forecast [PDF]
, 2017 In recent years there has been a growing worldwide development of rail transport, mainly due to technological innovations both on armaments and on rail vehicles.
Arena, Maurizio +2 more
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Advice on standards for school premises: for local authorities, proprietors, school leaders, school staff and governing bodies [PDF]
, 2013 There are fewer regulations than previously and they are less prescriptive, allowing schools more flexibility in how they use their premises. - Many regulations state that provision must be ‘suitable’.
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