heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...

Background and Objective: Due to the limited individual approach to behavior change, health promotion researchers use community-based initiatives to understand the factors affecting physical activity and promote the health of citizens. Urban open spaces can facilitate participation in physical activity and the health of citizens. The aim of this study is to identify the indicators, attributes, ...

The purpose of this study was presenting a model of teacher productivity with a positive organizational behavior approach. The research method was mixed that used qualitative strategy; meta-synthesis method then Fuzzy Delphi; and in the second stage that used descriptive-survey quantitative strategy. The statistical population of this study includes faculty of educational sciences, managers and...

The purpose of this study was to develop a framework for the organizational capacity of academic centers. The research method was the Seven-level qualitative Meta-synthesis of Sandelowski and Barros (2007). In the first step, the research question was raised about the development of the academic capacity framework, according to which the meta-synthesis team members were identified. In the secon...

Aim: The purpose of this paper is to determine the factors affecting the use of enterprise social networks, the types of usage behavior and the consequences of using these networks. Methodology: This is a descriptive study. The qualitative inquiries of previous researches in the social networking enterprise had been investigated by means of  meta-synthesis. A total of 470 found source of meta-s...