plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

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...

recent studies in scientific education as well as foreign and second language instruction suggest that thinking has rarely been an integral part of education and training in classroom. some scholars decried the lack of emphasis on thinking in the institutes and schools. they noted that memorization and drills were rewarded,while inquiry, reflection, and consideration of alternatives were frowne...

Most of the patients imagine that chest pain is not sign of heart attack. But, may be pain is not sign of heart attack. Pain source may be from pulmonary, stomach, intestinal, psychologic or musculoskeletal problems. From these factors, when two or more factors combine to each other, similar signs are happen. All of these factors harden diagnosis of chest pain reason. Only with separation of pe...

The current study has been done to predict self-concept by big five-factors of personality and identity status in students. One hundred eighty students in the University of Tehran (90 male -90 female) in the age range of 20-30 years old, bachelor and masters educational level, has been selected by the cluster sampling method. In order of collecting information, three questionnaires were used; t...