A fluidized bed of Geldart-A particles is promoted as heat transfer fluid in the tubular solar receivers towers. pressure-driven upward particle flow affects hydrodynamic structure and properties bed. Experiments involved a tube 0.05 m internal diameter but very high height/diameter ratio (>120), representative future receiver numerous chemical reactors. Solid circulation fluxes aeration veloci...

In o_shore petroleum engineering, the multiphase production technique has become a standard method for the exploitation of marginal fields. The multiphase production technology consists in conveying untreated wellhead e_uent through a single pipeline either to an existing processing platform or to onshore processing facilities. Transient phenomena can be caused by changes in the inlet flow-rate...

The choice of appropriate reactors and reforming strategies is key to make progresses on scaling up H2 production processes from raw bio-oil. This work compares the performance (conversion, product yields deactivation) packed-bed fluidized-bed (PBR FBR, respectively) using a NiAl2O4 spinel derived catalyst for bio-oil via steam (SR) sorption enhanced SR (SESR, with dolomite capture CO2). experi...

fanconi- bickel syndrome (fbs) is a rare type of glycogen storage disease (gsd) characterized by hepatomegaly, proximal renal tubular acidosis (rta) and marked growth retardation. we report a case of fbs presenting with diabetic ketoacidosis and transient neonatal diabetes. a female infant, product of consanguineous marriage presented with diabetic ketoacidosis at age 33 days, and was treated a...

over the last two decades, many researchers have developed a variety of stainless steel-based medical implant types,taking full advantage of nanostructuring technologies. in this paper the application, fabrication and development of nanostructured stainless steel based materials with new composition for medical implants will be discussed. it is well established that application of severe plasti...

abstract background: high resolution ct scan has made early diagnosis of intraventricular hemorrhage (ivh) easier. posttraumatic intraventricular hemorrhage has been reported to a greater extent because of the ct scan. methods: 904 patients were admitted in the nsicu from march 2001 to march 2002 with severe closed head injury, of those only 31 patients with intraventricular hemorrhage (gcs les...

background: we aimed to reveal the role of cd11b and hypoxia-inducible factors-1alpha (hif-1α) expressions on monocytes and alveolar macrophages of lung tissue, and the levels of serum surfactant protein-d (sp-d) in severe malaria-associated acute lung injury (ali). methods: the c57bl/6 mice were divided into control group, renal malaria group (inoculated with 10 6 plasmodium berghei anka), and...

abstract background iron-deficiency anemia is a widespread public health problem with major consequences for human health especially, children. however, in a fraction of patients an underlying cause is never found during routine investigation. recent studies have suggested an association between helicobacter pylori (h. pylori) infection and iron-deficiency anemia. case presentation here is repo...

crohn’s disease (cd) is rarely presented with lower gi bleeding (lgib) which eludes the clinician. a 25-year-old lady with severe rectorrhagia was presented with no history of constipation, diarrhea or abdominal pain. colonoscopy revealed ulcers in the rectum, sigmoid colon, and terminal ileum. crohn’s pathologic features were detected in the terminal ileum. the bleeding was controlled via supp...