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Sociological Methodology, ISSN 0081-1750, 8/2012, Volume 42, Issue 1, pp. 286 - 313
Logit and probit models are widely used in empirical sociological research. However, the common practice of comparing the coefficients of a given variable... 
Regression coefficients | Economic models | Apes | Social research | Variable coefficients | Linear regression | Standard deviation | Inference and Causality | Coefficients | Modeling | Logistics | indirect effects | probit | confounding | rescaling | attenuation | Logit | SOCIAL SCIENCES, MATHEMATICAL METHODS | VARIABLES | SOCIOLOGY
Journal Article
Journal Article
Radiation Physics and Chemistry, ISSN 0969-806X, 07/2018, Volume 148, pp. 86 - 94
In the present work, the mass attenuation coefficient µ/ρ is investigated experimentally and theoretically for seven rocks (olivine basalt, green marble, jet... 
MCNP5 | Rock | Shielding | Mass attenuation coefficient | PHOSPHATE-GLASSES | EFFECTIVE ATOMIC-NUMBER | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | TELLURITE GLASSES | CHEMISTRY, PHYSICAL | NUCLEAR SCIENCE & TECHNOLOGY | PENETRATION DEPTH | STRUCTURAL-PROPERTIES | ABSORPTION | DIFFERENT OXIDE COMPOSITIONS | BORATE GLASSES | INCIDENT PHOTON ENERGY | ELECTRON-DENSITY | Gamma rays | Basalt
Journal Article
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, ISSN 0885-3010, 9/2019, pp. 1 - 1
The objective of this work is to demonstrate the feasibility of estimating the backscatter coefficient (BSC) using an in situ calibration source. Traditional... 
Transducers | Quantitative ultrasound | Phantoms | Estimation | Propagation losses | Attenuation | Acoustics | Calibration | Backscatter coefficient | In situ calibration
Journal Article
APPLIED RADIATION AND ISOTOPES, ISSN 0969-8043, 01/2015, Volume 95, pp. 48 - 52
Information about X-ray mass attenuation coefficients in different materials is necessary for accurate X-ray fluorescent analysis. The X-ray mass attenuation... 
X-ray fluorescence analysis | LOW ATOMIC-NUMBER | Biological tissues | NUCLEAR SCIENCE & TECHNOLOGY | Mass attenuation coefficients | FLUORESCENCE SPECTROMETRY | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | CHEMISTRY, INORGANIC & NUCLEAR | Measurement | Fluorescence | X-ray spectroscopy | Sludge | Analysis | Liver
Journal Article
Annals of Nuclear Energy, ISSN 0306-4549, 2010, Volume 37, Issue 7, pp. 910 - 914
The photon attenuation coefficients of barite and concrete produced with barite have been investigated. The linear attenuation coefficients have been... 
Barite concrete | Lead | NaI(Tl) | Photon attenuation coefficients | DETECTORS | EFFECTIVE ATOMIC NUMBERS | ALLOYS | NUCLEAR SCIENCE & TECHNOLOGY | TRANSMISSION EXPERIMENTS | ENERGIES | GLASSES | DEPENDENCE | Attenuation coefficients | Concretes | Energy use | Mathematical analysis | Nuclear engineering | Photons | Barite | Energy (nuclear) | Standards
Journal Article
Optics and Laser Technology, ISSN 0030-3992, 10/2012, Volume 44, Issue 7, pp. 2223 - 2231
In this paper, the resonant nonlinear Schrödinger's equation is studied with five forms of nonlinearity. This equation is also considered with time-dependent... 
Integrability | Resonant nonlinear Schrodinger's equation | Solitons | Resonant nonlinear Schrodingers equation | PULSE TRAINS | TRAVELING-WAVE SOLUTIONS | PHYSICS, APPLIED | GENERATION | COMPRESSION | OPTICS | PROPAGATION | Nuclear radiation | Radiation | Attenuation | Nonlinearity | Schroedinger equation | Lasers | Mathematical analysis
Journal Article
Optics Express, ISSN 1094-4087, 01/2018, Volume 26, Issue 2, pp. A157 - A177
Absorption (a) and backscattering (b(b)) coefficients play a key role in determining the light field; they also serve as the link between remote sensing and... 
BEAM ATTENUATION | PHASE FUNCTION | SHALLOW LAKE | NATURAL-WATERS | DIFFUSE-REFLECTANCE | INHERENT OPTICAL-PROPERTIES | OPTICS | LIGHT-FIELD FLUCTUATIONS | IRRADIANCE INVERSION ALGORITHM | OCEANIC WATERS | SCATTERING
Journal Article
Optics Communications, ISSN 0030-4018, 2012, Volume 285, Issue 5, pp. 755 - 760
In this paper, we find the exact bright, dark and gray analytical nonautonomous soliton solutions of the generalized CQNLSE with spatially inhomogeneous group... 
VARIABLE-COEFFICIENTS | DISPERSION REGION | BISTABILITY | SYSTEMS | WAVE SOLUTIONS | MODEL | OPTICS | PROPAGATION | BRIGHT | GUIDES | Control systems | Dynamic tests | Similarity | Mathematical analysis | Solitons | Attenuation | Mathematical models | Dispersions | Solitary waves
Journal Article
Ultrasound in Medicine & Biology, ISSN 0301-5629, 05/2019, Volume 45, Issue 5, pp. 1081 - 1093
Attenuation coefficient estimation has the potential to be a useful tool for placental tissue characterization. A current challenge is the presence of... 
Envelope signal-to-noise ratio | Attenuation coefficient estimate | Placenta | Pulse bandwidth | Reference phantom method | ACOUSTICS | BACKSCATTER | ULTRASOUND ATTENUATION | LIVER | REFERENCE PHANTOM | SOUND SPEED | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | Obstetrics | Mechanical engineering | Electric properties
Journal Article
Fuel, ISSN 0016-2361, 11/2019, Volume 255, p. 115697
Diesel, kerosene, palm oil and groundnut oils are important fuels for many household and industrial activities. For optimum benefits and to prevent undesirable... 
Hydrocarbons | Groundnut oil | Palm oil | Diesel | Mass attenuation coefficients | Kerosene | ENGINEERING, CHEMICAL | ENERGY & FUELS | ADULTERATION | Oils | Heptanes | Photons | Fuels | Diesel fuels | Palmitic acid | Industrial areas | Attenuation coefficients | Groundnuts | Organic chemistry | Gas chromatography | Acids | Oleic acid | Attenuation | Chemical composition | Stearic acid | Food processing industry
Journal Article
Medical Physics, ISSN 0094-2405, 06/2011, Volume 38, Issue 6, pp. 3380 - 3380
Purpose: Diffraction enhanced imaging (DEI) generates image contrast in a fundamentally different way than absorption x‐ray imaging—the refraction and... 
Radiography | Image analysis | Medical imaging | Wave attenuation | Lungs | Absorption coefficient | Water vapor | Apparent images | Medical image contrast | Image enhancement
Conference Proceeding
Applied Radiation and Isotopes, ISSN 0969-8043, 03/2017, Volume 121, pp. 122 - 125
In the present work the effect of tungsten oxide (WO ) nanoparticles on mass attenauation coefficients of concrete has been investigated by using MCNPX... 
Nanoparticles | Concrete | Shielding | MCNPX | Radiation protection | NUCLEAR SCIENCE & TECHNOLOGY | ATTENUATION COEFFICIENTS | RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING | CHEMISTRY, INORGANIC & NUCLEAR
Journal Article
ANALYTICAL CHEMISTRY, ISSN 0003-2700, 08/2019, Volume 91, Issue 15, pp. 9481 - 9489
Journal Article
by Cho, E and Kim, S
ORGANIZATIONAL RESEARCH METHODS, ISSN 1094-4281, 04/2015, Volume 18, Issue 2, pp. 207 - 230
This study disproves the following six common misconceptions about coefficient alpha: (a) Alpha was first developed by Cronbach. (b) Alpha equals reliability.... 
SCALE RELIABILITY | MANAGEMENT | reliability | multidimensionality | PSYCHOLOGY, APPLIED | coefficient alpha | ATTENUATION PARADOX | TOTAL SCORE | BIFACTOR | multiple-factor model | LOWER BOUNDS | MODELS | internal consistency | tau-equivalency | Indication | Computation | Mathematical analysis | Consistency | Mathematical models | Coefficients | Estimates | Estimators
Journal Article
by Sato, H
GEOPHYSICAL JOURNAL INTERNATIONAL, ISSN 0956-540X, 09/2019, Volume 218, Issue 3, pp. 2079 - 2088
The isotropic scattering model is a simple mathematical model of the radiative transfer theory (RTT) for the propagation of the wave energy density in random... 
ENERGY | Crustal structure | MULTIPLE-SCATTERING | Coda waves | SEISMIC CODA WAVES | RADIATIVE-TRANSFER | DEPENDENT CRUSTAL SCATTERING | RANDOM-MEDIA | GEOCHEMISTRY & GEOPHYSICS |