Due to the great possibility of water contamination of many rivers by human activities in Iran, the study of water quality is crucial for water resource protection and human health. High level of phosphorous is the main reason for eutrophication of freshwater systems. The main aim of this study was to investigate the concentration of phosphorus in the rivers feeding into Taham dam in Zanjan, us...

BACKGROUND Cryptosporidium species are recognized as important gastrointestinal pathogens. This study was conducted to identify the prevalence, clinical manifestations and genotyping of Cryptosporidium spp. in patients with gastrointestinal illnesses (GIs) in western Iran. METHODS Overall, 1301 fecal samples were collected from patients with GIs referred to the 12 clinical laboratories in Nah...

BACKGROUND Tuberculosis (TB) spread pattern is influenced by geographic and social factors. Nowadays Geographic Information System (GIS) is one of the most important epidemiological instrumentation identifying high-risk population groups and geographic areas of TB. The aim of this study was to determine the correlation between climate and geographic distribution of TB in Khuzestan Province usin...

Road traffic accidents are a major cause of premature death and disabilities. Every year the lives of almost 1.24 million people are cut short as a result of a road traffic crash. Between 20 to 50 million more people suffer non-fatal injuries, with many incurring a disability as a result of their injury. Road traffic injuries cause considerable economic losses to victims, their families, and to...

AIM The aim of the study was to evaluate the effect of addition of 1% chlorhexidine digluconate solution on the antibacterial activity and mechanical properties of glass ionomer and resin based sealant. MATERIALS AND METHODS Conventional glass ionomer sealant (GIS) (Fuji VII, Japan) and resin sealant (Clinpro 3M ESPE, USA) were used in this study. Chlorhexidine digluconate (CHX) (20%) liquid ...

Aiming at the spatial distribution of food industry and its evolving model, this study carries out research on the change characteristics of inner spatial distribution of food industry in Wuhan City and the growth of scale of urban land use. Taking Wuhan City as example, from the perspective of micro-level, this study adopts analyzing technologies and statistic analyzing methods about GIS/SPSS ...

Sixteen Piper species, including P. nigrum, have been collected from the 483 sites, majority from Western Ghats and maintained at the Indian Institute of Spices Research, Calicut. Fifteen qualitative morphological characters of 16 wild species of southern India were studied and plotted for the hierarchical clustering, using SPSS software. The cluster groups were compared using BIOCLIM model of ...

In the United States, Light Rail Transit (LRT) systems have become a popular transportation alternative. Minnesota built its first light rail system in 2004 with the Hiawatha Line and additional projects are underway in the Minneapolis and St. Paul area. While light rail systems are attractive to commuters, they are expensive to construct and careful planning is ongoing to ensure their effectiv...