background the effect of psychological factors in the context of a growing number of sports, prevention of sports injuries, exercise rehabilitation and as an effective tool for managing stress and anxiety in the race has been confirmed by various studies ،the purpose of the present study was to determine the level of sport competitive anxiety in iranian elite basketball player and its relations...

in order to study the morphological characteristics affecting yield of echium amoenum under different nutritional treatments and different plant densities, a factorial experiment based on rcbd design with three replications was conducted at agricultural research station, ferdowsi university of mashhad, iran in 2011-2013 growing seasons. the experimental treatments were all combination of three ...

the sustainability of farming system (sofs) is considered to be an important principle in a broad concept of sustainable agriculture. variables affecting sofs include alternate crop farming (using nitrogen-fixing plants as alternate crops), utilizing farm animal manure, using plants and crop residues back into the soil system, and utilizing a variety of protective plowing schemes. overuse and p...

The effect of ethanol addition to aqueous semi saturated NaCl solutions on the super saturation was studied. The amount of precipitated salt was found to increase as the percent of added ethanol increased. The rates of formation of precipitate were calculated and found to increase with decrease of the weighted average of the solvents mixture dielectric constant, , but levels out at  ≈ 50. The...

The elderly, or those older than 65 years, currently represent 12.5 percent of the U.S. population, and are projected to increase to 20 percent of the population by 2030—growing from 35 million to 72 million in number. 2 By 2050, 12 percent of the population, or one in eight Americans, will be 75 years of age or older. In 2002, the elderly accounted for 12.7 million (41 percent) of the 31.7 mil...

Victims of atherothrombotic infarction of the brain, the most common variety of stroke, frequently have recurrent strokes. Risk factors believed to accelerate such events include hypertension, diabetes mellitus, hyperlipidemia, atherosclerotic disease (of heart, aortocervical and intracranial vessels), erythrocythemia, stress, tobacco smoking, hyperuricemia, and perhaps obesity. Most prior stud...