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تعداد نتایج: 3718247  

Journal: :BMC Infectious Diseases 2005
Dirk Eisinger Hans-Hermann Thulke Thomas Selhorst Thomas Müller

BACKGROUND Rabies is the most important viral zoonosis from a global perspective. Worldwide efforts to combat the disease by oral vaccination of reservoirs have managed to eradicate wildlife rabies in large areas of central Europe and North-America. Thus, repeated vaccination has been discontinued recently on a geographical scale. However, as rabies has not yet been eradicated globally, a serio...

1997
ALAN F. SMEATON

1. Abstract The imact of NLP on information retrieval tasks has largely been one of promise rather than substance. While there are exceptions to this as some of the chapters in the present volume demonstrate, for the most part NLP and information retrieval have only recently started to dovetail together. In this chapter we will present a pr ecis of our experiments in information retrieval using...

Journal: :Journal of theoretical biology 1975
J A León D B Tumpson

The classical models of interspecific competition are phenomenological, that is, they purport to describe the trajectories followed by the abundances of both competitors, without specifying either mechanisms or the dynamics of what the competition is for, i.e. resources. Yet the conditions for the different outcomes of competition inferred from these models are most often interpreted in terms o...

Journal: :Australian Journal of Multi-Disciplinary Engineering 2019

Journal: :International Journal of Bilingual Education and Bilingualism 2015

Journal: :Sustainability 2021

Motivations behind a country’s importation of waste are categorized into the pollution haven hypothesis (PHH) and resource hunting (RHH). The wastes can lead to environmental sustainability concerns, requiring governments intervene when market fails reduce negative externalities by strengthening implementing regulations. Motivated China’s position within rapidly growing but environmentally dama...

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