The common pistachio psylla Agonoscena pistaciae is a key pest of pistachio in Iran. A study was conducted to determine the spatial distribution of psylla nymphs and eggs in a 10 ha pistachio orchard in the Rafsanjan region, southeast of Iran. Three rows, each containing 33 trees (totally 99 trees), were randomly selected in the orchard based on a stratified sampling scheme. In each of the sele...

the purpose of this study is to survey the relationshipsbetween leadership styles, organizational health and bullying inislamic republic of iran railway company. this study is conductedon 235 non-managerial employees who were working in threedepartments of iran railway company in may 2012. for this purposeused stratified random sampling method and data being gathered viaquestionnaire. the desig...

breakeven analysis is one of the most important existent tools for decision-making in agriculture. this technique used for analysis of different budget components about irrigated wheat crop in marvdasht township. the required data and information were collected via 154 questionnaires and using the stratified random sampling method during 2004-2005. results show that farmer's profit (rls. 4...

This paper seeks to analyze the influence of consumers’ moral intensity, perceived risks and moral judgment in purchasing pirated software by using the issue-risk judgment (IRJ) model. Moral intensity includes magnitude of consequence, social consensus, probability of effect and temporal immediacy; perceived risks of consumers include financial, performance, prosecution and social risks; and mo...

Complex situations of today's life have led to the complexity of urban life issues and not pay attention to the quality of life. Studies in this field are increasingly gaining the attention of urban planners and policymakers due to its usefulness in assessing and monitoring public policies, also they can use as effective tools in urban management and planning. This study investigated the QOL in...

due to the increasing number of users’ telegram social network in iran especially among the young and educated people, it seems that the study of use of such networks is important particularly in educational activities. given the importance of the issue, the purpose of this descriptive- correlative research was to study the factors affecting students’ intention to use of telegram social network...

background: many countries make many of their governmental sectors private. this transition, however, may affect their employees in numerous ways. objective: to determine the level of occupational stress and mental health of employees of a petrochemical company in isfahan, central iran, before and 3 months after privatization. methods: out of the 700 employees of the studied company, using a st...

Validation data are often used to evaluate the performance of a trained neural network and used in the selection of a network deemed optimal for the task at-hand. Optimality is commonly assessed with a measure, such as overall classification accuracy. The latter is often calculated directly from a confusion matrix showing the counts of cases in the validation set with particular labelling prope...

The main purpose of this study investigated the relationship between the components(control and leadership) and it was practical and unity study and included 300 staffs in the department of physical education department of Isfahan in 2011,150 persons using at stratified random sampling method was selected proportional to size. Collection data’s tools, cybernetic model questionnaires which its p...