Results 41 to 50 of about 47,155 (269)

Real-time Measurements of PM2 . 5 and Ozone to Assess the Effectiveness of Residential Indoor Air Filtration in Shanghai Homes.

open access: yesIndoor Air: International Journal of Indoor Environment and Health, 2020
Portable air cleaners are increasingly used in polluted areas in an attempt to reduce human exposure, however there has been limited work characterizing their effectiveness at reducing exposure.
K. Barkjohn   +10 more
semanticscholar   +1 more source

Projections of mortality risk attributable to short-term exposure to landscape fire smoke in China, 2021–2100: a health impact assessment study

open access: yesThe Lancet Planetary Health, 2023
Summary: Background: Landscape fire smoke, including smoke from all vegetation burning in natural and cultural landscapes, remains a threat to the health of the population.
Shuhan Lou, BS   +15 more
doaj   +1 more source

"Safety health impacts of particulate matter from excavation work sites" [PDF]

open access: yes, 2012
Gli studi epidemiologici hanno evidenziato una relazione lineare tra il particolato aerodisperso e gli effetti sulla salute dell'uomo. E' dunque interessante comprendere quale sia realmente il rischio a cui va incontro la popolazione esposta ad ...
G. Pizzo, M. Clerico
core   +1 more source

Short-term exposure to ambient fine particulate matter and out-of-hospital cardiac arrest: a nationwide case-crossover study in Japan

open access: yesThe Lancet Planetary Health, 2020
Summary: Background: PM2·5 is an important but modifiable environmental risk factor, not only for pulmonary diseases and cancers, but for cardiovascular health.
Bing Zhao, MD   +4 more
doaj   +1 more source

The Incidences And Complications Of Permanent Second Molar Eruption Disturbances

open access: yesInternational Dental Journal
Aim or purpose: To reveal the incidences of permanent second molars (PM2) eruption disturbances in China and its related complications by radiological analysis.
Xin Zhang, Aimei Song
doaj   +1 more source

Diversified Top-k Graph Pattern Matching [PDF]

open access: yes, 2013
Graph pattern matching has been widely used in e.g., social data analysis. A number of matching algorithms have been developed that, given a graph pattern Q and a graph G , compute the set
Fan, Wenfei, Wang, Xin, Wu, Yinghui
core   +1 more source

Estimates of global mortality burden associated with short-term exposure to fine particulate matter (PM2·5).

open access: yesLancet Planetary Health
BACKGROUND The acute health effects of short-term (hours to days) exposure to fine particulate matter (PM2·5) have been well documented; however, the global mortality burden attributable to this exposure has not been estimated.
Wenhua Yu   +19 more
semanticscholar   +1 more source

Quantifying the short-term mortality effects of wildfire smoke in Europe: a multicountry epidemiological study in 654 contiguous regions

open access: yesThe Lancet Planetary Health
Summary: Background: Fine particulate matter (PM2·5) from wildfire smoke could be more harmful to human health than that from other sources. Evidence of the short-term association between wildfire-related PM2·5 and mortality in Europe remains sparse ...
Anna Alari, PhD   +7 more
doaj   +1 more source

Unraveling the drift behaviour of the remarkable pulsar PSR B0826-34 [PDF]

open access: yes, 2004
We present new results from high sensitivity GMRT observations of PSR B0826-34. We provide a model to explain the observed subpulse drift properties of this pulsar, including the apparent reversals of the drift direction.
Allen   +38 more
core   +2 more sources

Transcription of Bacteriophage PM2

open access: yesJournal of General Virology, 1983
Transcription of bacteriophage PM2 after infection of Alteromonas espejiana BAL-31 was examined. A wave of PM2 late transcription was observed 22 to 44 min after infection. This transcription was chloramphenicol- and rifampicin-sensitive. Regions of PM2 DNA transcribed with high efficiency were determined by DNA--RNA hybridization and Southern's ...
openaire   +2 more sources

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