objectives: the role of cognitive process for postural control was shown in dual task studies. however, there was no definite evidence how verbal instructions influence the allocation of attention to postural control. this study determined whether young and elderly adult are able to deliberately control the resource allocation when performing a sensorimotor and cognitive task simultaneously and...

limitation of water resources in the earth has turned it as a valuable economic commodity. accordingly, the agricultural sector of which according to studies has the largest wasted water should be managed. therefore, it is advisable to use the application of methods and programming models such as the decision support system along with the abilities of gis in order to management of the water res...

introduction: in spite of improving the water productivity due to development in water infrastructure systems, population increasing causing the water withdrawal is triple in the last fifty years. in this situation competition on water consumption especially in the agricultural sector which is the biggest consumer in the world and also in iran is a severe problem. water allocation has been asse...

In resource allocation and target setting problems, a central decision makers? managerial standpoint has pivotal role, especially when we encounter undesirable outputs such as the greenhouse gas (GHG) emissions. circumstances, firms have to cooperate with each other, achieve planner?s aims. Looking into literature reveals that existing models based on data envelopment analysis (DEA) not aptly c...

A method of using the demand response mechanism power grid to promote consumption surplus wind is proposed for new energy generation. In method, replacement output gas turbine used as an important way consume power, and realized by replace part turbine. With objective function maximum consumable constraints replaceable turbine, cost balance supply grid, a model considering constructed. addition...