The same as other fields of human sciences inevitably is based on some kind of philosophy of life and philosophy of science. Therefore, it is necessary to investigate to find out what are the philosophical characteristics of educational system and exceptional children education system in Iran. This article, that focuses on comprehensive and emancipation approach is based on the "philosophy of s...

today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...