Results 251 to 260 of about 1,012,376 (308)
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Simple humidity control system
Review of Scientific Instruments, 1979This note describes a control system for maintaining constant humidity by passing a gas through a saturated aqueous solution.
O, Nakamura, I, Ogino, T, Kodama
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Preparation for Humidity Control Composite Paperboard and their Humidity Control Properties
Applied Mechanics and Materials, 2013The humidity control composite paperboard with excellent humidity control performance was prepared, comprising sodium chloride, anhydrous potassium carbonate, diatomite, pyrrolidone carboxylic acid-Na, carboxymethyl cellulose and self-made humidity control material.
Qing Qing Yao +6 more
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Humidity as a Control Parameter for Ventilation
Indoor and Built Environment, 2003The objective of this study was to develop energy efficient ventilation strategies that will provide both a healthy and comfortable indoor climate and reduce energy consumption compared to present ventilation standards. Humidity was used as a control parameter for the ventilation.
Afshari, Alireza +1 more
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Humidity control for chronic asthma
2002Humidity control measures in the home environment of patients with asthma have been recommended, however there is no consensus about the usefulness of these measures.To study the effect of dehumidification of the home environment on asthma control.A search of the clinical trials registers of the Cochrane Collaboration and Cochrane Airways Group using ...
M, Singh, A, Bara, P, Gibson
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Temperature and humidity control in livestock stables
2010 11th International Conference on Control Automation Robotics & Vision, 2010The paper describes temperature and humidity control of a livestock stable. It is important to have a correct air flow pattern in the livestock stable in order to achieve proper temperature and humidity control as well as to avoid draught.In the investigated livestock stable the air flow is controlled using wall mounted ventilation flaps.
Hansen, Michael +4 more
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The Measurement and Control of Humidity
Bulletin of Entomological Research, 1934A few years ago a paper appeared in this Bulletin (Buxton, 1931) describing methods of controlling and measuring humidity. Since that paper was written, we have evolved a number of improvements which tend to make the methods easier in practice, though none of them are novel in principle.
P. A. Buxton, K. Mellanby
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Preparation and Humidity Control Performances of a Novel Composite Humidity Control Paper
Applied Mechanics and Materials, 2012A novel composite humidity control material was prepared, in which konjac glucomannan grafted on sodium polyacrylate with halloysite loading, adopting aluminum chloride/sodium bicarbonate system to foam, and twice foaming to form porous structure in the composites by heating at 150 °C. The resultant composites were utilized as substrates and applied in
Ning Yu +4 more
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Journal of Scientific Instruments, 1927
It is often necessary to maintain constant atmospheric humidity in rooms where hygroscopic substances such as textile materials, tobacco, paper, etc., are being tested or stored, or for the seasoning of timber and the preservation of foodstuffs. The control described in this paper is based on the principle of the ordinary hair hygrometer, and has been ...
W H Apthorpe, J J Hedges
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It is often necessary to maintain constant atmospheric humidity in rooms where hygroscopic substances such as textile materials, tobacco, paper, etc., are being tested or stored, or for the seasoning of timber and the preservation of foodstuffs. The control described in this paper is based on the principle of the ordinary hair hygrometer, and has been ...
W H Apthorpe, J J Hedges
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The Humidity Validation Payload and Distributed Humidity Control
SAE Technical Paper Series, 2007<div class="htmlview paragraph">The Humidity Validation Payload (HVP) has been developed by Orbital Technologies Corporation to validate key humidity and condensate management parameters in microgravity. The thorough understanding of dehumidification efficiency, component lifetimes, and capillary flow leads directly to an optimized, full-scale ...
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