نتایج جستجو برای: 2009 years then
تعداد نتایج: 1807292 فیلتر نتایج به سال:
"Slime" played a brief and spectacular role in the 19th century founded by the theory of primordial slime by Ernst Haeckel. However, that substance was never found and eventually abandoned. Further scientific attention slowly began in the 1930s referring to slime as a microbial product and then was inspired by "How bacteria stick" by Costerton et al. in 1978, and the matrix material was conside...
The objective of the present study was to investigate the pasture vegetation changes using satellite data in Semirom, Isfahan province. This study was conducted in 2004 as a wet year and 2009 as a dry year. The WiFS and AWiFS satellite images were acquired and used for the year 2004 and 2009, respectively. First, the vegetation percentage was simultaneously measured in the two years. Then, cons...
Background and purpose: Cancer is a major cause of death worldwide and gastric cancer with high mortality rate is one of the leading causes of cancer-related death. Understanding the epidemiology of gastric cancer could be of great benefit. However, no clear trend is available on incidence of this cancer in Iran, therefore, this study aimed at investigating the incidence of gastric cancer. Mat...
consecutive droughts in sistan and baloochestan province cause water resources restriction and this isa very significant problem for this region. in this study, in order to forecast the drought cycle in 9climatological stations in the province, we used artificial neural networks. the input data wereaverage of annual rainfall data in all stations and also deciles precipitation index, which the f...
Introduction Spectrum epidemiological models are used by UNAIDS to provide global, regional and national HIV estimates and projections, which are then used for evidence-based health planning for HIV services. However, there are no validations of the Spectrum model against empirical serological and mortality data from populations in sub-Saharan Africa. Methods Serologic, demographic and verbal a...
Received: 11 March, 2009 Accepted: 8 July, 2009 Abstract Background & Aims: One of the most common causes of Epiphora or abnormal tearing or recurrent infection is Dacryocystitis. The Dacryocystorhinostomy involves fistulization of the lacrimal sac into the nasal cavity which may alleviate the symptoms. This research was performed to study three year results of the DCR with silicone tube...
Background & purpose: Air pollution has been known as one of the most effective factors on cardiovascular, pulmonary and infectious diseases. This study aims to determine the relation between mortality rate and air pollution in Mashhad during 2007-2009. Materials & Methods: Data of air pollution, mortality rate and geographic factors were collected during 2007-2009 and analyzed. Mortality rate,...
BACKGROUND In France, the 2009 A(H1N1) influenza epidemic occurred between September 2009 and January 2010. Sparking widespread controversy, it was intensely reported in the media. Despite therapeutic inefficacy, antibiotic consumption and viral respiratory infections are positively correlated, particularly in France, where antibiotic overconsumption is well-known. We first determined the perio...
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