نتایج جستجو برای: air quality

تعداد نتایج: 935018  

2009
Sunyoung Kim Eric Paulos

In most large cities of the developing world, urban air pollution has worsened, which has been detrimental to the health of their populations. At the same time, it is difficult for lay people to sense the level of air quality with bare human perception as air pollutants are mostly invisible and odorless. We believe that computing technologies can help increase awareness of urban air quality. To...

Journal: :Allergy proceedings : the official journal of regional and state allergy societies 1991
M J Hodgson

Complaints in modern buildings have been attributed to inadequate ventilation for the last 20 years. Few data exist to support this claim. In fact, few studies have actually looked at ventilation and complaints at the same time. These missing studies indicate a failure of three groups of professionals, physicians and health scientists, architects and engineers, and scientists knowledgeable in e...

2014
Justin Toland Tim Hudson Stephen Nottingham Marianne Wenning

Background and Aim: One of the notorious  air pllutants on which air quality is determined is  carbon monoxide (CO). The aim of the present study was to measure the concentration of CO outdoor and indoor urban environments and compare it with air quality standards within buildings  and open spaces. Materials and Methods: This research was a descriptive-analytical study of CO estimation in ou...

2015
Eduardo Olaguer David Sterling Jonathan Ward

Supplement Aims and Scope or limited or prevented to help protect human health and our environment. In a field where the literature is ever-expanding, practitioners and researchers increasingly need to have ready access to up-to-date, high-quality scholarly articles on areas of ongoing interest in environmental health. This supplement aims to address this need by presenting contemporary article...

2010
Sorin Nicolae Cociorva

A qualitative assessment of indoors air quality is presented, by the use of an electronic nose consisting of a gas sensor array, a data acquisition system and a pattern recognition system. The gas sensors are sensitive to gases polluting the indoors air but they are sensitive to indoors temperature and humidity as well. The data acquisition system overtakes the sensors specific response and out...

2013
Vikhyat Chaudhry

Air pollution and quality monitoring is extremely important in today’s world as it has a direct impact on human health. Air pollution is on the rise due to a number of anthropogenic activities and its monitoring is of vital importance to mitigate certain measures to control it. In this paper we put forward a low-cost and low-power sensor based system for air quality monitoring. This sensor base...

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