Results 241 to 250 of about 427,015 (306)

Correction to: Vertebral fracture prevalence and risk factors for fracture in The Gambia, West Africa: the Gambian Bone and Muscle Ageing Study. [PDF]

J Bone Miner Res
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Parametrized statistical appearance and shape modelling strategy to predict proximal and diaphyseal femoral fractures. [PDF]

Front Bioeng Biotechnol
Cebeci Ö, Cronin DS, Checa S.
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Commissioning of a Monte Carlo-based scanning proton beam for breast cancer: Incorporating LETd calculations and variable RBE models. [PDF]

J Appl Clin Med Phys
Cao Z, Zhang Q, Zhao J.
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Bone density and fracture risk

Medical Journal of Australia, 2008
steoporosis, most simply and elegantly defined as “too little bone in the bone”, is generally the result of progressive bone loss which, for all practical purposes, starts at menopause in women and at about the age of 50 years in men. Because women have a lower bone organ density than men and then lose bone more rapidly, and also because women live ...
Nordin, B., Prince, R., Tucker, G.
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Approaching Fracture Density – Anisotropy Gradient=Fracture Density?

2nd EAGE North African/Mediterranean Petroleum & Geosciences Conference & Exhibition, 2005
A27 APPROACHING FRACTURE DENSITY - ANISOTROPIC GRADIENT = FRACTURE DENSITY? Summary For optimal hydrocarbon recovery from fractured reservoirs a critical issue is to gain an accurate understanding of the natural fracture system. Currently fracture characterization using amplitude based technologies is routinely performed relying on amplitude versus ...
Y.-J. Liu, R. Ogloff
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Thin layer fracture density

SEG Technical Program Expanded Abstracts 1990, 1990
Vertically propagating shear waves reflected from a thin reservoir permeated by a single oriented system of open vertical fractures contain information about the fracture density. The outer perimeter of the hodogram constructed from shear waves polarized in the fast and slow directions in the natural coordinate system is approximately elliptical.
Terry W. Spencer, Heon Cheol Chi
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Thin‐layer fracture density

GEOPHYSICS, 1991
Vertically propagating shear waves reflected from a thin reservoir permeated by a single oriented system of open vertical fractures contain information about the fracture density. The outer perimeter of the hodogram constructed from shear waves polarized in the fast and slow directions in the natural coordinate system is approximately elliptical.
T. W. Spencer, H. C. Chi
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Prediction of Fracture Risk I: Bone Density

The American Journal of the Medical Sciences, 1996
Low bone mass is the most important and individually objective predictor of osteoporotic fragility fracture risk. The challenge to the clinicians who care for patients with low bone mass is to identify those who are asymptomatic and nonfractured by using a bone mass measurement technique to make a diagnosis and decide on the level of intervention.
P D, Miller, M, McClung
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Fracture density estimations from amplitude data

SEG Technical Program Expanded Abstracts 2001, 2001
Summary Our experiments with physical model data sets simulating different fracture spacing, reveal that the three dimensional distributions of P-wave energy are affected by fracture orientation and spacing. In general, the denser the fracturing, the broader the amplitude trend within a plot.
Mu Luo, Brian J. Evans
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