Results 21 to 30 of about 204,775 (339)

Airborne particulate matter [PDF]

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2020
Airborne particulate matter (PM) is a pollutant of concern not only because of its adverse effects on human health but because of its ability to reduce visibility and soil buildings and materials. It can be regarded as a suite of pollutants since PM covers a very wide range of particle sizes and also has a diverse chemical composition ...
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Suspended particulates at the Point Loma, California wastewater outfall

Frontiers in Marine Science, 2023
A recent study conducted at the Point Loma wastewater outfall in San Diego used a novel sampling technique, the Pelagic Laser Tomographer (PLT), in combination with traditional water column profiling instruments to analyze suspended particulate ...
M. Dale Stokes, James J. Leichter, David Nadeau   +2 more
doaj   +1 more source

The relevance of the evolution of experimental studies for the interpretation and evaluation of some trace physical evidence [PDF]

, 2009
In order for trace evidence to have a high evidential value, experimental studies which mimic the forensic reality are of fundamental importance.
Bull, PA, Cohen, J, Freudiger-Bonzon, J, McGookin, I, Morgan, RM, Muress, S, Murly-Gotto, J, O'Connor, R   +7 more
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Distribution and Fractal Characteristics of Outdoor Particles in High-Rise Buildings Based on Fractal Theory

Fractal and Fractional, 2023
It is of great significance to understand the particle distribution characteristics at different heights to effectively control particle pollution. Based on fractal theory, the fractal dimension of outdoor particles in a high-rise building in Xi’an and ...
Fuquan Liu, Tao Yu, Wenjun Leng, Xin Zhang   +3 more
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Late metamorphic veins with dominant PS-15 polygonal serpentine in the Monte Avic ultramafite [PDF]

European Journal of Mineralogy, 2023
The ultramafic body of Monte Avic (Aosta Valley, Western Alps, Italy) consists of antigorite serpentinite and Ti-clinohumite metadunite. They host late metamorphic veins, up to a couple of centimeters thick, compact, and homogeneous, with a “porcelain ...
L. Barale, L. Barale, G. Capitani, P. Castello, R. Compagnoni, R. Compagnoni, R. Cossio, R. Cossio, G. Fiore, L. Pastero, M. Mellini   +10 more
doaj   +1 more source

Scale-free Universal Spectrum for Atmospheric Aerosol Size Distribution for Davos, Mauna Loa and Izana [PDF]

, 2013
Atmospheric flows exhibit fractal fluctuations and inverse power law form for power spectra indicating an eddy continuum structure for the selfsimilar fluctuations. A general systems theory for fractal fluctuations developed by the author is based on the
Selvam, A. M.
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A study of environmental exposure from cooking fuel use and role of intervention

Environmental Disease, 2018
Background: Combustion of traditional biomass fuels and coal has been found to be associated with exposure to particulates and volatile organic compounds (VOCs) and cause a series of adverse health effects.
Asim Saha, Sanjit Kumar Roy, Anupa Yadav, Ashit Kumar Mukherjee   +3 more
doaj   +1 more source

Processing of ultrafine-size particulate metal matrix composites by advanced shear technology [PDF]

, 2009
Copyright @ 2009 ASM International. This paper was published in Metallurgical & Materials Transactions A 40A(3) and is made available as an electronic reprint with the permission of ASM International. One print or electronic copy may be made for personal
A. Mortensen, A. Onat, A. Rogers, B.K. Dhindaw, C.A. Schuh, C.B. Lin, C.B. Lin, C.G. Kang, D.B. Miracle, D.J. Lloyd, D.J. Lloyd, D.M. Stefanescu, F. Delannay, H. Rumpf, H. Sevik, H. Tang, I.A. Ibrahim, I.G. Waston, J. Hashim, J. Hashim, J. Segurado, J. Tomas, J.C. Lee, J.E. Spowart, J.E. Spowart, J.L. White, J.T. Curtis, K. Kendall, K.R. Ravi, L.M. Tham, M. Gupta, M. Gupta, M.C. Fleming, M.K. Surappa, M.L. Falk, N. Aniban, N. Chawala, N. Hari Babu, N. Harnby, N.S. Barekar, P. Ganguly, P.A. Karnezis, P.K. Rohatgi, P.K. Rohatgi, R. Asthana, S. Ji, S. Ray, S. Skolianos, S. Tzamtzis, S. Yotte, S.V. Nair, T.C. Choy, T.S. Srivatsan, W. Beck, W.C. Harrigan Jr., X. Deng, Y. Yalcin, Z. Fan, Z. Fan, Z. Zhang   +59 more
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Nearly free silanols drive the interaction of crystalline silica polymorphs with membranes: Implications for mineral toxicity

Frontiers in Chemistry, 2023
Crystalline silica (CS) is a well-known hazardous material that causes severe diseases including silicosis, lung cancer, and autoimmune diseases. However, the hazard associated to crystalline silica is extremely variable and depends on some specific ...
Cristina Pavan, Cristina Pavan, Cristina Pavan, Guillermo Escolano-Casado, Guillermo Escolano-Casado, Chiara Bellomo, Chiara Bellomo, Stefania Cananà, Stefania Cananà, Maura Tomatis, Maura Tomatis, Riccardo Leinardi, Lorenzo Mino, Lorenzo Mino, Francesco Turci, Francesco Turci   +15 more
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Emission Standards for Particulates [PDF]

Journal of the Air Pollution Control Association, 1974
Promulgation of standards of performance under Section 111 and national emission standards for hazardous pollutants under Section 112 of the Clean Air Act is the responsibility of the Emission Standards and Engineering Division of EPA. The problems encountered and the bases used are examined.
openaire   +3 more sources