in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...

Background and purpose: The purpose of this study was to investigate the effects of 6 weeks of absolute and relative detraining on health (performance, body composition and cardiac indices) of elite weightlifters of Zanjan. Materials and methods: 20 elite weightlifters with average age of 24.05±4.14 yrs, 173.80±11.01 cm height, and 79.35±13.57 kg weight, with good performance during last year...

nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...

this study compared the different effects of form-focused guided planning vs. meaning-focused guided planning on iranian pre-intermediate students’ task performance. the study lasted for three weeks and concentrated on eight english structures. forty five pre-intermediate iranian students were randomly assigned to three groups of guided planning focus-on-form group (gpfg), guided planning focus...

the purpose of this two-phase, sequential mixed methods study was to find out whether there were any decencies between male and female ma students’ theses regarding the common features of academic writing such as syntactic complexity, means of integrating cited information, and organizing arguments. i chose 10 male written theses and 15 female written theses in tefl and linguistics. in the firs...

  Background and Objectives : Previous studies confirm the effects of strenuous exercise on elevated levels of liver enzymes, but the effect of detraining especially on liver tissue enzymes is unclear. The purpose of this study was to examine the effects of a 12-week aerobic training course followed by a 4-week detraining period on on liver tissue enzymes including Alanine aminotransferase(ALT)...