در این پایان نامه ‎‎به‎‎‎ معرفی دو کلاس -mماتریس ها و معکوس -m ‎‎‎ماتریس ها پرداخته و ویژگی ها و روش های شناخت آن ها را مورد بررسی قرار می دهیم. همچنین به بررسی ارتباط ‎‎معکوس mماتریس ها با ppماتریس ها و spp ماتریس ها و ‎tspp ماتریس ها و ‎pspp‎ ماتریس ها می پردازیم.‎‎ همچنین رابطه ی ‎m‎ ماتریس ها را با دو کلاس nsz ‎و ‎npz‎ ماتریس ها و ماتریس های ژاکوبی و کاملاً نامنفی مورد بررسی قرار می دهیم. هم...

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...

this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

monumental changes occurring on a daily basis have altered the world into a global village of expanding technology and shrinking geography in which preparing language learners for intercultural communication seems to be a sine qua non for modern language education. employing a cross-sectional design in its first phase, this study investigated the intercultural sensitivity and language proficien...

abstract : the purpose of this research is to study a bout multiple manifestations of poem music in hakim sanaee ghaznavi poems yherefore the first seetion of this book study and describes the complete works of this research about poem music love poem sanaee poem and this known and famous poets life and works the second section explained the external music of sanaee poems that for better u...

abstract the third millennium has started, but the world is facing with serious challenges in achieving international security and peace. various human rights violations have lead the states to find means to protect human rights. also article 55 of the united nations charter introduces the respect to human rights and fundamental freedom as the most suitable ways to realize peace and security. ...