امروزه، در بیشتر اراضی سرعت فرسایش خاک بیش از سرعت تشکیل خاک است. در نتیجه باعث تهی شدن منابع خاک و کاهش توانایی حاصلخیزی خاک می شود. در ایران استان گلستان به علت موقعیت جغرافیایی و اقلیمی آن و تخریب بالای منابع آن و همچنین به علت اینکه سطح وسیعی از اراضی از لس تشکیل شده دارای میزان فرسایش خاک بالایی می باشد. یکی از راه های تخمین میزان فرسایش و رسوب و بررسی میزان تلفات مواد غذایی خاک استفاده از...

The enterococci are gram positive microorganisms. Currently they are considered as one of the most important causes of mortality in hospitalized patients. Enterococci are the 4th cause of nosocomial infections. The importance of enterococci is due to the ability of these bacteria in developing resistance to a wide range of antibiotics. The other contributory factor is the potency of transmittin...

Purpose: This study aims to investigate factors that affect resistance to change in the public libraries of West Azerbaijan. Methodology: In this research the analytical survey method was applied. By applying simple random sampling, 105 employees were selected out of 140. Data was collected using a questionnaire, and data analysis was conducted by using statistical methods such as Mean, Standa...

Abstract Introduction and aim: Studies has shown that increases bone mineral density (BMD) loss after menopause in women; On the other hand, physical activity is an important factor in preventing osteoporosis and fractures associated with it. The aim of this study was to determine the effects of 6 months low-load very high-repetition resistance training (body pump) on BMD­ and balance in postme...

Background and Aims: Klotho protein is a substance effective in increasing life expectancy. Moreover, it prevents muscle atrophy, osteoporosis, and cardiovascular disease. Therefore, the present aimed to assess changes in the expression of klotho protein and insulin-like growth factor 1 (IGF-1) genes in the muscles of aged Wistar rats after eight weeks of resistance training. Materials and Met...

two hundred and ninty four engorged female ticks were collected from 4 different geographical regions for assessment of tick resistance against acaricide compounds.the 15-21 day- old larvae have been tested in accordance with fao recommended larvae packet test . resistant factor for each region was calculated by lc50 and lc99. minimum lc50 (0.008)and, maximum lc50 (0.024) for amitraz wer...

Background and Objective: Leptin resistance is an important risk factor for obesity. So, the present study was conducted in order to determine the effectiveness of one-month concurrent training with and without caffeine ingestion on the resting energy expenditure and leptin resistance in overweight women.   Materials and Methods: 20 non-athlete and overweight women in a double-blind and quasi...