In this study, the amount of carbon storage in a Haloxylon aphyllum stands in road edge were measured Garmsar - Eyvanakey highway is a one of the most important and high traffic roads in Iran that adjacent to the Capital, and it's caused air pollutions. We collected 11 plots 500 m2 from the road edges (60 meters on each side from axe) for measurements of vegetation and soil parameters. The resu...

  In this study, some silvicultural and growth characteristics of Cercis siliqustrum L. were assessed at Pol-dokhtar and Shineh in northwest and southwest of Khoramabad in Lorestan province. The study areas were delimitated on topographic map by field observations and using GPS. Data were collected from 30 circular plots of 0.1 ha area, by random sampling design. Quantitative and qualitative ch...

‏‎in this research,the authors conducted a study comparing two groups of male and female english language learners studying in a elt institute,in terms of their performance on their achievement test including listening comprehension,vocabulary,grammar,and reading comprehension and found no significant difference between the group except in listening comprehension part of the test in which the f...

abstract when in administrative law the matter of administrative offences are raised, these offences would have legal nature if they are force able, some of these offences are related to administrative law, where as some other pelts are common in civil or penal law. the current research intends not only to consider the concept and foundation of administrative execution rules but also compares...

abstract the present study was conducted to investigate the effectiveness of a rather newly developed method in language teaching that is the use of paragraph reading task and whole reading task and their effects on improving efl learner’s speaking ability. to fulfill the purpose of the study, first 90 participants studying their course at sa eedi high school in tehran were chosen by means of ...

the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...

the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...