field experiments were conducted in zanjan, markazi, esfahan, and chaharmahal va bakhtiari provinces to evaluate imazetapyr herbicide efficiency for weed control in common bean (phaseolus vulgaris l.) in 2006. there were four replications at each site and treatments were arranged in a randomized complete block design. in zanjan, maximum weed biomass reduction by 91 and 88 percent were achieved ...

a major problem of arid and semi-arid regions is environmental stresses like salinity and drought. to study the effect of artichoke germination under different levels of salinity and drought, two separate experiments were performed. the experimental treatments included different salinity levels of nacl (0, 50, 100, 150 mm) and five drought levels by peg (0, 10%, 15%, 20% and 25%) with three rep...

acute respiratory infections, diarrhea and fever are very common in children below the age of five years. all children suffer from these illnesses several times each year. however, during natural disasters like floods children are even more vulnerable to these diseases and death. pneumonia, diarrhea, measles and malaria, and associated malnutrition, are responsible for over 60% deaths in childr...

common variable immunodeficiency (cvid) is the most common symptomatic primary immunodeficiency disease, predisposing the patients to various tissue involvement and organ damage. here a 16-year-old boy is presented who was referred to our center with cough, dyspnea,cyanosis, and history of recurrent pneumonia. the diagnosis of cvid was made according to reduction all serum immunoglobulin levels...

background: in natural waters and/or aquaculture facilities, fish are often exposed to chromium waste and demonstrate cumulative deleterious effects. to our knowledge, there are no studies concerning the effects of trivalent cr on c. carpio hematology. this study presents hematological and some biochemical parameters of common carp, cyprinus carpio, affected by sublethal concentration of trival...