abstract recent studies suggest that prelistening activities play an important role in the development of listening comprehension (e.g. long 1990;chiang and dunkel 1992; schmidt-rinehart 1994; jensen and hansen 1995; robinson et al., 1995; buck, 1995; foster and skehan,1996; teng 1996; robinson, 2001; chang and read 2006). in line with previous studies and to shed light on a new aspect of sche...

Buildings are one of the main pillars of economic and social development of countries that consume a large part of energy and natural resources. The purpose of writing this article is to calculate the energy consumption of a building in one year, determine the energy label and then optimize some of its features in order to reduce construction costs and reduce energy consumption of the operation...

abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

Land is the most important factor in the physical development of cities; land management has now become one of the most important concerns and concerns of local governments. Also, the sprawling growth of cities has degraded the environment and natural resources around the cities. Meanwhile, due to inadequate and accelerated decision-making, some of the inner-city and inter-contextual capacity o...

Background and Objective. In recent decades, vulnerability assessment in urban land uses such as historic building in order to increase their resilience and resistance to various human and natural hazards has received more attention. Due to the special geographic condition and special topography of the region, Khansar historical land uses are exposed to all kind of disaster and damages and a co...