an experiment was performed to investigate the energy efficiency and effect of poultry house size on energy productivity in 3 different capacity management systems. capacities of houses were 10000(3 housings), 20000 (2 housings) and 28000 (1 housing) birds per production period and were assigned as hi, hii and hiii respectively. this experiment was conducted in a completely randomized design ap...

The aim of this study is to investigate the effects of corporate governance mechanisms in preventing the bankruptcy of companies listed in Tehran Stock Exchange. For this purpose, corporate governance mechanisms, including institutional ownership, non-executive members of the board, CEO dual responsibility and free float stock are determined as independent variables and Bankruptcy based on the ...

In this paper, we discuss the design and engineering of the PolyBot board, a custom robot controller board. This board has many features which make it suitable for use in the design and construction of a simple mobile robot. We outline the design decisions made such as: microcontroller selection, input and output features, board layout, connector selection, and software. We discuss our experien...

A number of factors affect successful implementation of an integrated science curriculum, including various outputs and inputs related to teacher quality such as professional development experiences, adequate planning periods, and adequate content preparation of teachers with regard to content knowledge associated with the curriculum taught (Huntley, 1998; Knudson, 1937; Leung, 2006; Palmer, 19...

The paper represents the second part of a study related to the development of an actuators control system for a morphing wing application, and describes the experimental validation of the control designed in the first part. After a short presentation of the finally adopted control architecture, the physical implementation of the control is done. To implement the controller on the physical model...