1 Faculty of Electrical and Computer Engineering, Noshirvani Institute of Technology, Mazandauan University, P.O. Box 47148-71167, Babol, Iran 2Faculty of Electrical Engineering, Department of Electrical Engineering, Ferdowsi University of Mashad, P.O. Box 91779-48974, Mashad, Iran 3Faculty of Computer Engineering and Information Technology, Amirkabir University of Technology, P.O. Box 15914, T...

P315 The effect of organic acids mixture and two methionine supplements on performance and organ characteristic of broiler chickens. M. Eftekhari*1, A. A. Saki1, and K. Pournia2, 1Department of Animal Science, Bu-Ali Sina University of Hamadan, Hamadan, Iran, 2The Excellence Centre for Animal Sciences and Department of Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mash...

This article has two aims: first, to give an historic overview of the nature-nurture debate in relation to how mothers learn to breastfeed. The overview will relate how the 'nurture' perspective came to dominate our understanding of the ontogeny of breastfeeding. The second aim is to propose professional breastfeeding competencies in an attempt to integrate the 'nature' perspective within early...

at early period of ghobad’s reign, sassanid king (486-531ad), an important movement occurred, headed by mazdak, for several social, economic and political reasons so that the king supported it in order to weaken the position of great figures and clergymen as well. naturally, important people opposed the given movement and dethroned ghobad king from power and he managed to resume his reign again...

Author’s note: The purpose of this essay is to put my recent work with Ali Oksasoglu, discussed in Section 5, in historic perspective. Dynamical systems is a vast research subject and this short essay is focused only on one issue. Even within the scope of this one issue, this essay is not intended as a survey of history, though most things I chose to discuss in the first four sections are of hi...

1Department of Mathematics, Islamic Azad University, Zahedan Branch, Zahedan, Iran 2Faculty of Sciences and Mathematics, University of Niš, Visegradska 33, 18000 Niš, Serbia 3Instituto de Matemáticas Multidisciplinar, Universitat Politècnica de València, 46022 Valencia, Spain 4Department of Applied Mathematics, School of Mathematical Sciences, Ferdowsi University of Mashhad, Mashhad, Iran 5Depa...