نتایج جستجو برای: suspended particle matter

تعداد نتایج: 397174  

Journal: :Environmental Health Perspectives 1994
J Schwartz

Recent studies have associated particulate air pollution with daily mortality in a number of U.S. communities. This study sought to replicate those analyses in Cincinnati, Ohio, and to test the strength of the association to the deletion of days with extreme weather conditions and to sensitivity analyses in the analytical approach. This study demonstrates the use of graphical diagnostic procedu...

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This study investigated the effect of rate and type of organic matter, and consecutive application of sodium on secondary particle size distribution. At first, a cropland soil was treated with two organic matter (manure and straw stubble) at different rates of 0%, 1% and 5%, with three types replicates during 4 months. Subsequently, four levels of SAR (0, 1, 10 and 30) were added to the pretrea...

Journal: :SciPost physics proceedings 2023

We report on recent progress in the search for dark matter particles with masses from 1 Mev c ^{-2} −2 to Gev . Several candidates this mass range are expected generate measurable electronic-recoil signals direct-detection exp...

1999
Olga Suvorova

I summarize here and discuss the results of presently operating neutrino telescopes in searching for a singnal of dark matter weakly interacting massive particles (WIMPs).

2008
Utpal Sarkar

A natural explanation for the smallness of the neutrino mass requires them to be Majorana particles violating lepton number by two units. Since lepton number violation can have several interesting consequences in particle physics and cosmology, it is of utmost importance to find out if there is lepton number violation in nature and what is its magnitude. The neutrinoless double beta decay exper...

2011
Julie F. Hart Tony J. Ward Terry M. Spear Richard J. Rossi Nicholas N. Holland Brodie G. Loushin

Wood burning for residential heating is prevalent in the Rocky Mountain regions of the United States. Studies have shown that wood stoves can be a significant source of PM(2.5) within homes. In this study, the effectiveness of an electrostatic filter portable air purifier was evaluated (1) in a home where a wood stove was the sole heat source and (2) in a home where a wood stove was used as a s...

Journal: :Soft matter 2014
William E Uspal Patrick S Doyle

We consider how to design a microfluidic system in which suspended particles spontaneously order into flowing crystals when driven by external pressure. Via theory and numerics, we find that particle-particle hydrodynamic interactions drive self-organization under suitable conditions of particle morphology and geometric confinement. Small clusters of asymmetric "tadpole" particles, strongly con...

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