The operating point of a propeller hydropower station will deviate from the effective workspace while discharge reduces excessively during dry seasons. It usually leads to decrease in efficiency and even being unable work. To solve above problem, scheme named decreasing capacity increase was presented this article. A low-specific-speed runner with fixed blades that has same installing dimension...

purpose our study aimed to profile the effect of fasting during the ramadan month on cognitive function in a group of healthy muslim athletes. methods eighteen male athletes underwent computerized neuropsychological testing during (fasting) and after (non-fasting) ramadan. diet was standardized, and tests were performed at 0900h and 1600h to characterize potential time-of-day (tod) interactions...

densification of biomass material that usually has a low density is proper way to increasing density,reduce transportation cost and simplify storage and distribution of these materials. pellet productionusing extrusion process is a common method for densification. the goal of this research isoptimization of specific energy consumption for extrusion process considering its effect on pelletdensit...

efforts to improve the quality of bakery products are increasing every day. several techniques were developed for this purpose. in this study the possibility of betterment and optimization of quality properties of dough and barbari bread with emphasis on process variables using rotatable response surface methodology were investigated. the independent process variables for baking process were do...