abstract the pythium spp. are known as the principle agents of seedling blight, damping-off and root rot of cucurbits. this study was performed for determination of pythium species involved in this diseases as well study their pathogenecity on different cucurbits. the numerous samples were taken at cultivation seasons 2006- 2007 from the fields of cucumber, tomato, egg plant, muskmelon, cucurbi...

BACKGROUND Osteoporosis is an important public health problem in older adults. It is more common in postmenopausal women and not only gives rise to morbidity but also markedly diminishes the quality of life in this population. There is lack of information about the risk factor of osteoporosis in developing countries. In this study we aimed to assess the risk factors for osteoporosis in postmeno...

The life-history of an organism consists its lifetime pattern growth, development, storage, age, and reproduction. In this study, some traits Hyla savignyi were studied in populations from different parts Iran. microscopic macroscopic analysis showed that testicular activity H. is potentially continuous, reaching peak level April. Metamorphosis was completed approximately 102 days after egg dep...

typical historian of biology, either. Her recent books, even though they draw heavily on historical evidence, are not histories in the strict sense. Keller is highly selec-Making Sense of Life: Explaining Biological Development tive in her choice of material and she does not write with Models, Metaphors, and Machines extensively documented monographs on a topic. Rather, her style is essayistic ...

Department of Mycology, Pasteur Institute of Iran, 13164 Tehran, Iran Department of Biology, Islamic Azad University, Science and Research Branch, Tehran, Iran Department of Mycology, Faculty of Medical Sciences, Tarbiat Modares University, 14115-331 Tehran, Iran Department of Medicinal Plants and By-Products, Research Institute of Forest and Rangelands, 13185 Tehran, Iran Medicinal Chemistry L...

1Department of Epidemiology and Biostatistics, Research Centre for Emerging and Reemerging Infectious Diseases, Pasteur Institute of Iran, Tehran, Iran; 2Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; 3Department of Arboviruses and Viral Hemorrhagic Fevers (National Reference Laboratory), Pasteur Institute of Iran, Tehran, Iran; 4Department...

There are errors in the author affiliations. The affiliations should appear as shown here: Pooneh Rahimi, RouhAllah Vahabpour, Mohammad Reza Aghasadeghi, Syed Mehdi Sadat, Nader Howaizi, Ehsan Mostafavi, Ali Eslamifar, Vida Fallahian 1 Department of Hepatitis and AIDS, Pasteur Institute of Iran, Tehran, Iran, 2WHO Collaborating Center for Reference and Research on Rabies, Pasteur Institute of I...

1. Department of Electrical Engineering, Faculty of Electrical Engineering, Qazvin Branch, Islamic Azad University, Qazvin, Iran. 2. Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran. 3. Department of Biomedical Engineering, Faculty of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran. 4. School of Computer Engineering, Iran Un...

an experiment was conducted to evaluate the effect of fennel essence on performance, egg quality and ovarian morphology of commercial laying eggs for ten weeks. in this experiment, one hundred and forty 30-wk-old commercial egg laying type hy-line (w36) were randomly assigned into 4 treatments with 5 replicates and 8 birds per each. treatments were a control (0.0% essence) and diets containing ...