abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

Abstract Background & Aims: One of the problems in children with intellectual disability is Feeding Disorders. The Purpose of this study was evaluate the effectiveness of Intervention based of Escape-Extinction (EE) on Feeding Disorders in Children with Mild intellectual disabilities. Material & Methods: This study was a Quasi-experimental pretest-posttest control group. The Statistical Socie...

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

abstract global financial crisis has created too many problems in relations among governments. among these problems, the issue of global monetary management, more than every time in the past four decades, has been moved in the center of international economic attentions. a problem which is specially known with the monetary hostility between united states and public republic of china. where ar...

during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

Background and purpose: Problems in oral feeding are common in infants, especially in preterm infants. Therefore, assessment of infants feeding could be of great help in making appropriate diagnosis for rehabilitation of swallowing. Therefore, comprehensive and accurate assessment tools are needed. The aim of this study was to review assessment tools used for infants oral feeding. Materials an...