abstract: this paper investigates the factors accelerating smes' adoption of e-commerce. initially we proposed a model that included three categories of factors including external environmental factors, internal environmental factors and technology specifications. in addition, we proposed ecommerce adoption stages in two levels of early adoption and institutionalization. based on surveying...

some of arid regions problems of iran are saline and sodic soils. in improvement and reclamation of iranian arid rangelands, some foreign species of atriplex had been imported and adapted for many years ago. the most adapted species was atriplex canescens. at the present research, some environmental factors, vegetative characteristics (na, ca, mg and k), soil properties (moisture, ec, ph, solut...

this study was carried out from june to october 2008 in nansi lake. based on the data collected from five sampling stations, phytoplankton taxonomic composition, abundance, temporal variations and spatial distribution were examined. about 94 species, including 48 species of chlorophyta, 22 species of bacillariophyta, and 1 water bloom causative species were identified. average phytoplankton div...

The main objectives of the present study are to both evaluate the level of awareness about air pollution and examine the determinants, likely to affect this awareness. As a result, it discusses influential factors on air pollution awareness, presenting findings from a case study, conducted in the city of Isfahan, Iran, wherein 400 individuals have been selected via proportional random sampling ...

The main objectives of the present study are to both evaluate the level of awareness about air pollution and examine the determinants, likely to affect this awareness. As a result, it discusses influential factors on air pollution awareness, presenting findings from a case study, conducted in the city of Isfahan, Iran, wherein 400 individuals have been selected via proportional random sampling ...

Breast cancer incidence is higher in urban areas and industrialized countries, rather than in less developed ones [1]. The etiology is probably multifactorial and lifestyle and environmental factors account for 73% of cases [2]. The present study analyzes the eventual relationship between environmental pollutants exposure and population density and the risk of developing breast cancer. It conce...

Childhood environment, social environment and behavior, leisure time activities and life events have been hypothesized to contribute to individual differences in cognitive abilities and physical and emotional well-being. These factors are often labeled 'environmental', suggesting they shape but not reflect individual differences in behavior. The aim of this study is to test the hypothesis that ...

Dear Sir: We have concerns with the recent publication by Jutla and colleagues, which aims to describe the environmental factors influencing epidemic cholera. 1 Regarding cholera in Haiti, the authors challenged the findings of many studies showing that the epidemic likely originated from the importation of toxi-genic Vibrio cholerae by Nepalese peacekeepers in October 2010. 2–5 Instead, they a...