نتایج جستجو برای: airborne emission

تعداد نتایج: 201322  

Journal: :AANA journal 2013
Mike Reed Oliver Kimberger Paul D McGovern Mark C Albrecht

Forced-air warming devices are effective for the prevention of surgical hypothermia. However, these devices intake nonsterile floor-level air, and it is unknown whether they have adequate filtration measures to prevent the internal buildup or emission of microbial contaminants. We rated the intake filtration efficiency of a popular current-generation forced-air warming device (Bair Hugger model...

2009
Mohamed Serageldin

Abrasive blasting materials, such as coal slag garnet and copper slag, are often used for cleaning metal surfaces to remove rust and to prepare a surface before the application of a coating. The pre-blast and post-blast (spent) abrasive materials contain traces of heavy metal constituents such as Cr, Mn, Ni, Pb Fe, and Ba. Hence, the health risk associated with the resultant particulate emissio...

2016
Pawel K. Misztal Jeremy C. Avise Thomas Karl Klaus Scott Haflidi H. Jonsson Alex B. Guenther Allen H. Goldstein

Accurately modeled Biogenic Volatile Organic Compound (BVOC) emissions are an essential input to atmospheric chemistry simulations of ozone and particle formation. BVOC emission models rely on Basal Emission Factor (BEF) distribu5 tion maps based on emission measurements and vegetation landcover data but these critical input components of the models as well as model simulations lack validation ...

K. Khoshnoodi M. Behzadi M. Gannadi-Maragheh M. Yazdi

The study area is located in the central Iranian tectono-magmatic zone, which is known for its world-class IOA-type Iron ore deposits. The Advanced Space borne Thermal Emission and Reflection Radiometer (ASTER) and Landsat Enhanced Thematic Mapper Plus (ETM+) image-processing techniques, were used in satellite imagery through conventional and also modern processing methods including band ratios...

2014
P. K. Misztal T. Karl R. Weber H. H. Jonsson A. B. Guenther A. H. Goldstein

Biogenic isoprene fluxes were measured onboard the CIRPAS Twin Otter aircraft as part of the California Airborne Biogenic volatile organic compound (BVOC) Emission Research in Natural Ecosystem Transects (CABERNET) campaign during June 2011. The airborne virtual disjunct eddy covariance (AvDEC) approach used measurements from a proton transfer reaction mass spectrometer (PTR–MS) and a wind rado...

Journal: :Journal of occupational and environmental hygiene 2008
Wayne T Sanderson Stephanie Leonard Darrin Ott Laurence Fuortes William Field

This study evaluated the presence of beryllium surface contamination in a U.S. conventional munitions plant as an indicator of possible past beryllium airborne and skin exposure and used these measurements to classify job categories by potential level of exposure. Surface samples were collected from production and nonproduction areas of the plant and at regional industrial reference sites with ...

1999
S. Paloscia P. Pampaloni G. Macelloni S. Sigismondi

A research project aimed at evaluating the microwave remote sensing methods for producing some basic parameters of land surfaces which in ̄uence the hydrological cycle, on a regular basis, has been conducted within the framework of the European Northern Hemisphere Climate Processes Land-surface Experiment (NOPEX) and Forest-Dynamic and Monitoring (ForestDynamo) experiments. In this paper, the se...

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