in recent years, the advancement of information and communication technologies and particularly rapid changes of mobile technologies lead to new applications and services. furthermore, the possibility of mobile service delivery will change its current applications. therefore, it is important to identify the user’s acceptance of mobile services; thus, it is necessary to determine the effective a...

Organic agriculture (OA) includes a comprehensive production management system that is considered as one of the strategies to reduce negative impacts of industrial agriculture in many countries. This research was identifying factors affecting the development of OA in Ardabil province. A descriptive– correlation survey approach was used in this study. Participants were agricultural specialists o...

The aim of this study was to identify and prioritize factors affecting farmers’ level of satisfaction in agricultural production cooperatives ofGuilan Province, Iran. To this aim, library studies were conducted, and 15 factors affecting farmers’ satisfaction were identified. Next, they wereprioritized byfield studies using a questionnaire. The statistical population consisted of members of agri...

total fertility rate relates to the number of children that a woman bears in the fertility period of her life. fertility function is one of the most important health and population indicators. this indicator affects social, health, economic and cultural factors. this study is an ecological or correlative one. factors affecting total fertility rate in iran in the year 2000 are studied in this pa...

background and aims: depression is an affective (mood) disorder accompanied by the sense of disappointment, incompetence, sense of transgression, fear and sense of humility. depression is the daily depressed-mood for two weeks. the aim of this study is analysis of the prevalence and effective factors on post-natal depression in women referring to garmsar city health centers in 2015. methods: th...

developing reliable and eco-friendly processes for the synthesis of metallic nanoparticles is an essential step in the field of application of nanotechnology .using natural factories such as biological systems is a way of developing such processes. nowadays, the synthesis of silver nanoparticles is very common due to its numerous applications in different fields. the synthesis of these nanopart...