نتایج جستجو برای: heckman two stage analysis

تعداد نتایج: 4895346  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده ادبیات و زبانهای خارجی 1392

abstract the current study examined the role of emotional intelligence and motivation on language learning of efl learners in iranian context. the participants of this study were 162 female and 100 male junior high school students. these participants were selected by convenient sampling method. to carry out the study two questionnaires were administered to the participants. first, the adap...

Journal: :International Mathematics Research Notices 2009

Journal: :Journal of Loss Prevention in the Process Industries 2021

Journal: :Journal of Signal and Information Processing 2011

Journal: : 2021

The significant growth of industry in the second half 20th century led to a number problems, one most important problems is protection environment from pollution. main source air pollution heat and power generating plants, which are based on combustion processes. largest pollutant thermal burn large volume fossil fuel form corresponding amount toxic substances, particular nitrogen sulfur oxides...

Journal: :IOP Conference Series: Earth and Environmental Science 2019

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