نتایج جستجو برای: quantitative size distribution

تعداد نتایج: 1387470  

Journal: :Journal of mathematical biology 2006
J R Miller M C Pugh M B Hamilton

A diffusion model is constructed for the joint distribution of absolute locus effect sizes and allele frequencies for loci contributing to an additive quantitative trait under selection in a haploid, panmictic population. The model is designed to approximate a discrete model exactly in the limit as both population size and the number of loci affecting the trait tend to infinity. For the case wh...

2017
Yoann Barnouin Jamie S. McPhee Gillian Butler‐Browne Alessandra Bosutti Giuseppe De Vito David A. Jones Marco Narici Anthony Behin Jean‐Yves Hogrel Hans Degens

BACKGROUND As muscle capillarization is related to the oxidative capacity of the muscle and the size of muscle fibres, capillary rarefaction may contribute to sarcopenia and functional impairment in older adults. Therefore, it is important to assess how ageing affects muscle capillarization and the interrelationship between fibre capillary supply with the oxidative capacity and size of the fibr...

Amir Reza Ghassemi Arash Shahravan, Mohammad Reza Baneshi

Descriptive statistics is the process of summarizing gathered raw data from a research and creating useful statistics, which help the better understanding of data. According to the types of variables, which consist of qualitative and quantitative variables, some descriptive statistics have been introduced. Frequency percentage is used in qualitative data, and mean, median, mode, standard deviat...

Journal: Poultry Science Journal 2018
Addo A AGYEI TA,

There is a general agreement between researchers that particle size of poultry feed should be between the size ranges of 600-900 µm. This study investigated the particle size of poultry feed produced in the Dormaa Municipality of Ghana. A survey was conducted on various feed mills which were made up of nine on-farm mills and five community-based commercial mills. Feed samples were collected fro...

2016
Shlomi Medalion Erez Aghion Hagai Meirovitch Eli Barkai David A. Kessler

We present an exact solution for the distribution of sample averaged monomer to monomer distance of ring polymers. For non-interacting and local-interaction models these distributions correspond to the distribution of the area under the reflected Bessel bridge and the Bessel excursion respectively, and are shown to be identical in dimension d ≥ 2, albeit with pronounced finite size effects at t...

2005
György Dán Viktoria Fodor Gunnar Karlsson

For multimedia traffic like VBR video, knowledge of the average loss probability is not sufficient to determine the impact of loss on the perceived visual quality and on the possible ways of improving it, for example by forward error correction (FEC) and error concealment. In this paper we investigate how the packet size distribution affects the packet loss process, the distribution of the numb...

2002
John Sutton Alison Hole Reinout Koopmans Michael Raith Javier Hidalgo Martin Knott

This paper examines the evolution of a skew distribution of firm sizes from the viewpoint of the 'Bounds' approach to market structure. It confines attention to the role played by non-strategic factors (statistical independence, and cost sideeffects). A model is proposed, which leads to a prediction regarding the least skew size distribution which is likely to be observed. This distribution pro...

2006
M. Mozurkewich T. W. Chan

Application of absolute principal component analysis to size distribution data: identification of particle origins T. W. Chan and M. Mozurkewich Department of Chemistry and Centre for Atmospheric Chemistry, York University, Toronto, Ontario, Canada now at: Environment Canada, Toronto, Ontario, Canada Received: 15 August 2006 – Accepted: 26 September 2006 – Published: 18 October 2006 Corresponde...

Journal: :journal of petroleum science and technology 2013
ali allahverdi ebrahim najafi kani shadi soltani

in this study, the effects of particle size distribution improvement and dense packing techniques on the 28- and 90-day compressive strengths of class g oil well cement have been investigated. it was observed that limited improvements in the particle size distribution of cement (regarding industrial possibilities) cannot result in a significant increase in 28- and 90-day compressive strengths. ...

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