نتایج جستجو برای: spatial spread
تعداد نتایج: 464707 فیلتر نتایج به سال:
background and aims: trends in deaths and medical admissions in the uk and europe show evidence for a series of infectious-like events. these events have been overlooked by traditional surveillance methodologies. preliminary evidence points to a rise in medical admissions in australia around the same time as those observed in europe, and this study was aimed to evaluate whether the deaths are o...
Background and Aim: The use of geophysical analysis of the epidemiology to identify geographical factors affecting the prevalence of the disease can be effective on community health policies to control the prevalence of the virus. Therefore, the present study is a geographical analysis of the COVID-19 epidemiology in Iran. Therefore, the purpose of this study is the geographical analysis of co...
temporal and spatial variations of fire behavior can be predicted using one of the semi-physical or empirical models developed over recent years. this article investigates the effect of different fuel moisture conditions on fire spread and behavior in national golestan park in july 2011 using farsite, flammap simulation systems, and previous ignition history. landscape data contains the topogra...
In this work, we analyse a pair of two-dimensional coupled reaction-diusion equations known as the Gray-Scott model, in which spot patterns have been observed. We focus on stationary patterns, and begin by deriving the asymptotic scaling of the parameters and variables necessary for the analysis of these patterns. A complete bifurcation study of these solutions is presented. The main mathematic...
Background and purpose: Leptospirosis is one of the most common zoonotic diseases in the world. Some public health problems and diseases are directly associated with geographic context of places, therefore, geographic information system (GIS) could be of great benefit in management of such issues and planning to control the spread of diseases. The aim of this study was to investigate the spatia...
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