abstract the groines are structures which are use to protected the river bank and to form the water way .the most important problem of groynes is scour at around it that makes breaking and overturning the groynes. because of the less researches at about l-head groynes and open groynes ,this article considers the amount of scour in this type of groynes. so because of this have been used the lace...

the facial esthetics after orthodontic treatment and orthognathic surgery may be affected by the patient's natural head position. the purpose of this study was to evaluate the natural head position for the three skeletal classes of malocclusion.our sample consisted of 102 lateral cephalometric radiographs of patients aged 15 to 18 years; class i (n=32), class ii (n=40) and class iii (n=30). nin...

non hodgkin lymphoma (nhl) constitutes 5% of all head & neck cancer. the incidence of it has been increased over the last four decades. one of main characteristic of nhl is extranodal presentation that has different pattern in various part of world. a retrospective was designed in a tertiary referral center. it has been done between january 1996 and march 2006. all clinical and pathological cha...

fusarium graminearum is causal agent of economically catastrophic disease of cereal fusarium head blight (fhb) around the world. in addition to causing a loss of yield, this fungus causes serious threats to humans and animals due to the contamination of grain with the trichothecene mycotoxin. tri101 gene, a fusarium spp. gene, encodes an enzyme that transfers an acetyl group to the c3 hydroxyl ...

conclusions the results showed that the prevalence of pediculosis among the glogah county primary school students was less than the average percentages observed in other students inside and outside of iran. results based on a total of 300 pupils, 17 of them (5.7%) were infested with pediculus capitis. the prevalence rate was 6.8% in the boys and 4.8% in the girls, while the rate of infestation ...

results overall, there were 2 (2.7%) mason ii fractures, 21 (28%) mason iii fractures, and 52 (69.3%) mason iv fractures. arbeitsgemeinschaft fur osteosynthesefragen (ao) classification was also determined. of the 85 patients in our study, 75 were available for follow-up. follow-up averaged 41.5 months (range, 4 - 93 months). average scores for the cohort were as follows: morrey, 85.7 (median 9...

background: patient education is widely recognized as a core component of nursing. patient education can lead to quality outcomes including adherence, quality of life, patients' knowledge of their illness and self-management. this study aimed to clarify patient education process in teaching hospitals affiliated to tehran university of medical sciences (tums) in iran.   methods : this cross-sect...

traumatic brain injury is a common entity. however cerebral infarction in infants is a rare entity while the diagnosis of this pathology in the pediatric population is usually difficult. the mild head trauma is rarely accompanied by intracranial injury and even less, with cerebral infarction. we herein report the first case of cerebral infarction after a mild brain trauma in a 2-year-old latin-...

head trauma is the most common form of accidental injury among children, which is a source of concern for parents and pediatricians. after head trauma, children may be loss of intellectual function. most head trauma in children is minor and not related with brain injury or long-term outcome. however, a small number of children may have a clinically important traumatic brain injury. the incidenc...