The paper proposes the use of maps expected abrasive wear friction surface a soil-cutting part, which characterize intensity at various points during its movement in soil environment. importance this work is caused by changes modern technologies for cultivation agricultural crops, requiring geometric shapes parts with need to predict their service life. A study physical and mechanical propertie...

BACKGROUND The management of menstruation has come to the fore as a barrier to girls' education attainment in low income contexts. Interventions have been proposed and piloted, but the emerging nature of the field means limited evidence is available to understand their pathways of effect. METHODS This study describes and compares schoolgirls' experiences of menstruation in rural Uganda at the...

Background: Posterior sagittal anorectoplasty (PSARP) is the newest and most-widely-used technique for correction of anorectal malformations (ARMs). In the present investigation, the functional outcomes of PSARP and also the relationship between the complications and the sacral ratio (SR) have been studied. Methods: The study group included 49 patients (25 males and 24 females) with ARMs, opera...

to access the surgical progress of patients with long segment aganglionosis and long-term evaluation. during the past 15 years, we reviewed the therapy and outcome of 15 patients with long-segment agangelionosis (lsa) in mofid children's hospital. 2 with agangelionosis to the midtransvers colon (mta(, 8 to the ascendant and cecum (a/ca), 4 with total colonic and distal ileum involvement (tca), ...