نتایج جستجو برای: during this time

تعداد نتایج: 7512781  

Journal: :Trends in ecology & evolution 2008
Max Rietkerk Johan van de Koppel

Localized ecological interactions can generate striking large-scale spatial patterns in ecosystems through spatial self-organization. Possible mechanisms include oscillating consumer-resource interactions, localized disturbance-recovery processes and scale-dependent feedback. Despite abundant theoretical literature, studies revealing spatial self-organization in real ecosystems are limited. Rec...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

abstract: country’s fiber optic network, as one of the most important communication infrastructures, is of high importance; therefore, ensuring security of the network and its data is essential. no remarkable research has been done on assessing security of the country’s fiber optic network. besides, according to an official statistics released by ertebatat zirsakht company, unwanted disconnec...

2012
Niall O’Higgins

This Time It’s Different? Youth Labour Markets During ‘The Great Recession’ This paper looks at the effects of the ‘Great Recession’ on young people’s labour market experiences in the European Union. The paper documents some of the key characteristics of young people’s labour market experiences during the current recession and then seeks to provide some explanations of these applying both cross...

2017
Songsak Sriboonchitta Vladik Kreinovich

One of the most computationally convenient non-redundant ways to describe the dependence between two variables is by describing the corresponding copula. In many application, a special class of copulas – known as FGM copulas – turned out to be most successful in describing the dependence between quantities. The main result of this paper is that these copulas are the fastest-to-compute, and this...

2003
Francis Jeffry Pelletier

(Entemann 2002) defends fuzzy logic by pointing to what he calls 'misconceptions' concerning fuzzy logic. However, some of these 'misconceptions' are in fact truths, and it is Entemann who has the misconceptions. The present article points to mistakes made by Entemann in three different areas. It closes with a discussion of what sort of general considerations it would take to motivate fuzzy logic.

2014
Suzanne S Farid Bill Thompson Andrew Davidson

The Annual bioProcessUK Conference has acted as the key networking event for bioprocess scientists and engineers in the UK for the past 10 years. The following article is a report from the sessions that focused on continuous bioprocessing during the 10(th) Annual bioProcessUK Conference (London, December 2013). These sessions were organized by the 'EPSRC Centre for Innovative Manufacturing in E...

2009
RICHARD J. DUNN

The lessons of Task Force Hawk and Kosovo have rung loudly in the halls of Congress and the Pentagon. However, the immense difficulty the US Army faced in deploying a capable, warfighting force to northern Albania is only symptomatic of a much larger problem that the Army has grappled with for several decades: how to develop a force light enough to get where it is needed quickly and yet lethal ...

Journal: :Physical review letters 1996
Armero Sancho Casademunt Lacasta Ramírez-Piscina Sagués

J. Armero,1 J. M. Sancho,1,4 J. Casademunt,1 A. M. Lacasta,2 L. Ramı́rez-Piscina,2 and F. Sagués3 1Departament d’Estructura i Constituents de la Matèria, Universitat de Barcelona, Av. Diagonal 647, E-080028 Barcelona, Spain 2Departament de Fı́sica Aplicada, Universitat Politècnica de Catalunya, Av. Dr. Gregorio Marañón 50, E-08028 Barcelona, Spain 3Departament de Qumı́ca Fı́sica, Universitat de Bar...

2003
Janos Sarbo József Farkas

Peirce introduced an ingenious classification of signs and a theory of reasoning. Though he maintained that reasoning presupposes signs, to our best knowledge, he did not define a link between his two theories. In this paper we make a first attempt to reveal the possibility for such a relation, in the framework of a cognitively based model of

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