Results 221 to 230 of about 743,584 (263)

Impact of Obesity on Propofol Dosing: Implications for Anesthetic Outcomes. [PDF]

Cureus
Sawires J, Chowdhury S, Girardin CR, Vega G, Weissman B, Soti V.   +5 more
europepmc   +1 more source

Impact of atmospheric condition on aerosol optical properties in urban and rural environment.

Atmos Pollut Res
Kłapiński S, Markowicz KM, Stachlewska IS.   +2 more
europepmc   +1 more source

Detection mass bias in atmospheric pressure ionization mass spectrometry [PDF]

Journal of the American Society for Mass Spectrometry, 1991
A previously uncharacterized source of detection mass bias is shown to be associated with atmospheric pressure ionization mass spectrometry (APIMS), and is attributed to a mass dependence in the sampling of ions from the supersonic free jet expansion of gas emerging from the ion source.
E P Grimsrud
exaly   +3 more sources

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Numerical bias estimation for mass spectrometric mass isotopomer analysis

Analytical Biochemistry, 2009
Mass spectrometric (MS) isotopomer analysis has become a standard tool for investigating biological systems using stable isotopes. In particular, metabolic flux analysis uses mass isotopomers of metabolic products typically formed from (13)C-labeled substrates to quantitate intracellular pathway fluxes.
Elmar Heinzle, Maddalena V Coppi, Tae Hoon Yang   +2 more
exaly   +3 more sources

Bias on Estimates of X-ray Cluster Mass

EAS Publications Series, 2006
We examine the systematics affecting the X-ray mass estimators applied to Chandra -like long exposures images of five simulated clusters.
Rasia, E, Ettori, S, Moscardini, L, MAZZOTTA, PASQUALE, Borgani, S, Dolag, K, Tormen, G, Cheng, Lm, Diaferio, A.   +8 more
openaire   +3 more sources

Thermally induced filter bias in TEOM mass measurement

Journal of Environmental Monitoring, 2007
Researchers at the National Institute for Occupational Safety and Health (NIOSH) have long used stationary tapered element oscillating microbalances (TEOMs) in laboratory settings. They have served to assess the mass concentration of laboratory-generated particulates in experimental dust chambers and they provide a reference method for comparison with ...
Steven J, Page, Donald P, Tuchman, Robert P, Vinson   +2 more
openaire   +2 more sources

Analysis of Sampling Line Bias on Respirable Mass Measurement

Applied Occupational and Environmental Hygiene, 2003
This study investigated the bias introduced by an inlet sampling line on a respirable mass monitor. The 1.5-m electrically conductive, flexible sampling line conducts aerosol at a flow rate of 2.2 Lpm from a helmet-mounted inlet to a waist-mounted sensor for mass concentration measurement.
Thomas M, Peters, Jon C, Volkwein
openaire   +2 more sources

Pitfall trapping bias and arthropod body mass

Insect Conservation and Diversity, 2011
Abstract.  1. Pitfall trapping is one of the most widely used arthropod sampling techniques. However, relative species abundance in pitfall trap catches differs from that found using quadrat samples. This difference, here termed bias, reflects the fact that pitfall trap catch is influenced not only by abundance ...
MARK H. HANCOCK, COLIN J. LEGG
openaire   +1 more source