particulate and gaseous emissions of pollutants from industries and auto-exhausts are responsible for rising discomfort, aggravates respiratory and cardiovascular. in this study, a system for air quality information in tehran city has been developed, using an online web-based geographic information system. this web-based gis application allows users to recognize areas with a potential increase ...

introduction: various types of software are used in health care organizations to manage information and care processes. the quality of software has been an important concern for both health authorities and designers of health information technology. thus, assessing the effect of software quality on the performance quality of healthcare institutions is essential. method: the most important healt...

introduction: medical libraries and information centers, as service organizations, need standard tools and methods to be able to measure and increase quality of their services, so as to be able to meet the needs of their users in support of the improvement of the performance of their parent institutions. methods: one of the available standard tools of quality measurement is the european foundat...

the current study aims to investigate the relationship between stock liquidity risk and financial information quality criteria (i.e. the timely dividends announcement, accruals quality and the percentage of profitability prediction error) of companies listed on the tehran stock exchange. for this purpose, 148 cases of data from listed companies, collected from 2007 to 2012, were employed in ord...