asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

this study focuses on jane austens representation of her heroines in two of her novels: pride and prejudice, and mansfield park. i have concentrated only on a single idea: how jane austen takes her heroines through a course of psychogical reformation to which almost everything else in her novel is subsidiary. although i have discussed only pride and prejudice, we can trace austens carefully pla...

wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...

In the modern age, businesses are growing and expanding intensely because of emerging new technologies and their availability. The purpose of this study was to identify the factors affecting the expansion of home-based business in telegram and Instagram. The research method is quantitative and based on a researcher-made questionnaire. The statistical population of this research includes home bu...

Introduction: The objective of this study was to investigate the diet and body activity of adults in Lahijan city during Covid-19.  Materials and Methods: This study is from descriptive and applicate research. Statistical population of this study consists of all persons in the age of 18-59 years in Lahijan City, that in which they were selected using the Cochran formula and 385 persons were...

acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...

during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

Purpose: Educational strategies are methods which influence on learning quality and students can make use of them in their studying and learning in order to obtain their education and learning objectives. Methodology: The statistical population of the research was all teachers of primary schools in Iran who 330 ones were randomly selected as the samples by Cochran formula. The current research ...

now-a-days graphic design plays a major role in influencing culture, society, business, and customers, in such a way that one could look upon every individual as a potential customer. graphic designers seek to identify customers needs and find an intelligent solution for them. correct identification and understanding of those needs is the first step towards achieving ones goals. marketing knowh...