introduction the chemical characteristic of groundwater as a major source of water supply for human life is an important factor in determining the usage of it for agriculture, industry and drinking. useful techniques and different methods of studying the chemical composition of groundwater such as correlation coefficient, descriptive statistics, factor analysis and cluster analysis provide an u...

In the design of high Quality factor (Q) micro or nano beam resonators, different dissipation mechanisms may have damaging effects on the quality factor. One of the major dissipation mechanisms is the thermoelastic damping (TED) that needs an accurate consideration for prediction. In this paper, thermoelastic damping of the longitudinal vibration of a homogeneous micro beam with both ends clamp...

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...

cost by considering earnings quality for accepted companies in tehran stockexchange. this survey investigates a population of 76 companies during the timeperiod of 2009-2014. the results show that under high earnings quality, the marketrisk factor, the book risk to market factor, and the size risk factor have positiveeffects, and the profit risk factor has negative effects on shareholders equit...