By the time they reach the eighth grade, nearly 50 percent of adolescents have had at least one drink, and over 20 percent report having been “drunk” (1). Approximately 20 percent of 8th graders and almost 50 percent of 12th graders have consumed alcohol within the past 30 days (1). Among 12th graders, almost 30 percent report drinking on 3 or more occasions per month (2). Approximately 30 perc...

the spider mite, t. turkestani, is considered as one of the most important polyphagous pests of many crops. its reproductive ability, developmental time, preimaginal mortality and reproduction rate were determined on kidney bean at 20, 25 and 30°c,70±5% rh and 16l:8d. female longevity and immature developmental period (6.74 and 5.8 days, respectively) were shorter at 30°c than at 20 and 25°c. t...

The present study is focused on investigating the mechanical properties of hybrid polymer composites. reinforcement materials are animal bone (ox) particulate and E-glass fiber. matrix material epoxy resin. following combinations considered for investigation: (a) weight percent (20%, 30%, 40%), (b) fiber (c) (10%, 20%, 30%) (30%, 10%) with resin 60% by percent. test specimens prepared as per re...

in order to evaluate the effects of foliar application of methanol and irrigation intervals on yield and yield components of chickpea cultivars a factorial experiment as split plots based on randomized complete block design with three replications was conducted in spring 2008 at the agricultural research station of ferdowsi university of mashhad. the treatments were 10 and 20 irrigation interva...