based on two-dimensional plane stress and bifurcation functional from hill's general theory in polar coordinate the critical condition for elastic wrinkling of the flange of a circular blank ( the wave number in the flange and wrinkled area) during the deep-drawing process are obtained analyticaly to improve the previous given results. in this analytical study, the elastic limitation of the mat...

any company or organization, whether large or small, needs marketing plan for the achievement of its marketing and corporate objectives, an output of which is marketing strategies. the correct implementation of marketing strategies is the final stage of the planning process and an assurance of its marketing success. findings of marketing researches reveal that companies applying marketing strat...

background small bowel obstruction is one of the most common surgical emergencies and main causes of hospital admissions. diatrizoate meglumine gastrografin, a hyperosmolar water-soluble contrast agent, has been used to triage patients with small bowel obstruction for an operative or a non-operative management. it can also have a therapeutic effect by increasing the pressure gradient across obs...

encapsulating peritoneal sclerosis (eps) is a rare, acquired condition that has been described interchangeablywith peritoneal encapsulation (pe) as well as abdominal cocoon. eps causes complications for peritoneal dialysis (pd) patients. in eps, the small intestine is covered by a fibrotic and inflammatory peritoneal capsule that either partially or completely encases the bowel. for eps, there ...

retinal vein occlusion (rvo) is a common retinal vascular occlusive disorder and is associated with a variety of systemic risk factors. the aim of this study was to investigate whether the underlying diseases were evaluated and managed appropriately by ophthalmologists. we performed a study of 1344 patients with retinal vein occlusion (rvo). patients were evaluated with a questionnaire includin...

Renal cell carcinoma (RCC) is an aggressive malignancy which can metastasize to the bone. Long bones or the small bones of the limbs could be rarely the destinations for metastatic RCCs. We report two cases of metastatic RCC to the humerus bone with the initial presentation of pathological fracture. The pathologists must be aware of metastatic RCC to the arm and consider it in the differential ...