نتایج جستجو برای: population analysis

تعداد نتایج: 3345835  

Journal: :Expert Syst. Appl. 2012
M. Victoria Ibáñez Guillermo Vinué Sandra Alemany Amelia Simó Irene Epifanio Juan Domingo Guillermo Ayala

This paper is concerned with apparel sizing system design. One of the most important issues in the apparel development process is to define a sizing system that provides a good fit to the majority of the population. A sizing system classifies a specific population into homogeneous subgroups based on some key body dimensions. Standard sizing systems range linearly from very small to very large. ...

Journal: :Mathematics and Computers in Simulation 2014
Zdzislaw Jackiewicz H. Liu B. Li Y. Kuang

Numerical simulations of traveling wave solutions in a drift paradox inspired diffusive delay population model Z. Jackiewicz a,b, H. Liu a, B. Li c, Y. Kuang a,∗ a Department of Mathematics, Arizona State University, Tempe, AZ 85287, USA b Department of Applied Mathematics, AGH University of Science and Technology, Kraków, Poland c Department of Mathematics, University of Louisville, Louisville...

Journal: :Environmental pollution 2013
Poh-Chin Lai Chien-Tat Low Wing-Sze Cindy Tse Chun-Kan Tsui Herman Lee Pak-Kwan Hui

Studies have shown that socioeconomic and environmental factors have direct/indirect influences on TB. This research focuses on TB prevalence of Hong Kong in relation to its compact urban development comprising of high-rise and high-density residential dwellings caused by rapid population growth and limited land resources. It has been postulated that occupants living on higher levels of a build...

1997
S. P. Driver W. J. Couch S. C. Odewahn

Evolution of the morphological luminosity distributions within rich clusters (0.0 < z < 0.55) We demonstrate the ability to recover morphological luminosity distributions (LDs) within medium redshift clusters (z ∼ 0.55) based on Hubble Space Telescope WFPC2 observations. We postulate that a detailed survey of the morphological LDs in local, low and medium redshift clusters may provide strong co...

2001
Rabih Neouchi Ahmed Y. Tawfik Richard A. Frost

This article presents a method for analyzing the e volution of concepts represented by concept lattices in a time stamped d atabase, showing how the concepts that evolve with time induce a change in t he concept lattice. The purpose of this work is to extend formal concept an alysis to handle temporal properties and represent temporally evolving attrib utes. 1 Introduction Formal concept analys...

2005
David P. O’Brien Richard Greenberg James E. Richardson

O’Brien and Greenberg [O’Brien, D.P., Greenberg, R., 2005. Icarus 178, 179–212] developed a self-consistent numerical model of the collisional and dynamical evolution of the main-belt and NEA populations that was tested against a diverse range of observational and theoretical constraints. In this paper, we use those results to update the asteroid cratering model of Greenberg et al. [Greenberg, ...

Journal: :J. Computational Applied Mathematics 2017
Mark Jackson Benito M. Chen-Charpentier

Plants are essential for the survival of many species including man. Unfortunately there are many viruses that cause diseases to both crops and wild plants. In humans and animals, virus propagation can happen by direct contact or through a vector. But in plants, virus propagation can only happen through a vector, usually insects and in particular beetles. After biting an infected plant, the vir...

2005
FABIO AUGUSTO MILNER

We consider classical host-parasite systems consisting of ordinary differential equations for the total numbers of hosts, parasites,and larvae. We also consider a newer, spatially structured model that consists of a partial differential equation for each of those populations. We finally compare the behavior of solutions for the spatially homogeneous model to that of the solutions for the spatia...

2009
John D. Ainsworth Iain E. Buchan

The optimal provision of healthcare and public health services requires the synthesis of evidence from multiple disciplines. It is necessary to understand the genetic, environmental, behavioural and social determinants of disease and health-related states; to balance the effectiveness of interventions with their costs; to ensure the maximum safety and acceptability of interventions; and to prov...

2009
A. E. Scheenstra D. Suciu M. Muskulus M. S. Oitzl J. H. Reiber L. van der Weerd

Introduction Brain morphometry is defined as studying the variations and changes of brain shape, which is key step in monitoring diseases. Brain morphometry is often performed by group-wise comparison between populations of diseased subjects and healthy controls. In earlier work, we presented the Moore-Rayleigh statistical test to quantify local shape differences between groups of transgenic mi...

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