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| 1 | NUMERICAL SIMULATION OF FLOW OVER TWO CIRCULAR CYLINDERS IN TANDEM ARRANGEMENT显示文摘In this article,the 2-D unsteady viscous flow around two circular cylinders in a tandem arrangement is numerically simulated in order to study the characteristics of the flow in both laminar and turbulent regimes.The method applied alternatively is based on the finite volume method on a Cartesian-staggered grid.The great source term technique is employed to identify the cylinders placed in the flow field.To apply the boundary conditions,the ghost-cell technique is used.The implemented computational method is firstly validated through simulation of laminar and turbulent flows around a fixed circular cylinder.Finally,the flow around two circular cylinders in a tandem arrangement is simulated and analyzed.The flow visualization parameters,the Strouhal numbers,and drag and lift coefficients are comprehensively presented and compared for different cases in order to reveal the effect of the Reynolds number and gap spacing on the behavior of the flow.The obtained results have shown two completely distinct flow characteristics in laminar and turbulent regimes. | DEHKORDI Behzad Ghadiri MOGHADDAM Hesam Sarvghad JAFARI Hamed Houri | 2011 | Journal of Hydrodynamics2011，23，1： | 11 |
| 2 | Persistent alanine aminotransferase elevation among the general Iranian population: Prevalence and causes显示文摘AIM: To determine the prevalence and causes of persistently elevated alanine aminotransferase (ALT) levels among the general population in northern Iran. METHODS: A total of 2292 (1376 female, aged 18-75 year), were selected by systematic clustered random sampling from the cities and villages of Gonbad and Kalaleh in Golestan Province and invited to participate in the study. A comprehensive history regarding alcohol drinking and medication was taken. Body mass index (BMI), viral markers and ALT levels were measured. If ALT level was ≥ 40 U/L, it was rechecked twice within 6 mo. Those with ≥ 2 times elevation of ALT were considered as having persistently elevated ALT level. Non-alcoholic fatty liver disease (NAFLD) was diagnosed based on evidence of fatty liver upon sonography and excluding other etiology. RESULTS: A total of 2049 (1351 female) patients participated in the study, 162 (7.9%) had elevated ALT level at the first measurement. Persistently elevated ALT level was detected in 64 (3.1%) participants, with51 (79.6%) with no obvious etiology, six (9.3%) with Hepatitis B, four (6.2%) with Hepatitis C virus (HCV) infection and three (4.6%) with alcoholic hepatitis. The prevalence of NAFLD and alcoholic hepatitis was 2.04% (42 patients) and 0.1% (three), respectively. There was correlation between NAFLD and male gender, overweight, diabetes and living in an urban area [odds ratio = 3.03 (95% CI: 1.6-5.72), 4.21 (95% CI: 1.83-9.68), 2.86 (95% CI: 1.05-7.79) and 2.04 (95% CI: 1.00-4.16) respectively]. CONCLUSION: NAFLD is the most common cause of persistently elevated serum ALT level among the general population of Iran. | Raika Jamali Mahmoodreza Khonsari Shahin Merat Masoud Khoshnia Elham Jafari Alireza Bahram Kalhori Hassan Abolghasemi Sedighe Amini Mahtab Maghsoudlu Mohammad Reza Deyhim Houri Rezvan Akram Pourshams | 2008 | World Journal of Gastroenterology2008，14，18： | 7 |
| 3 | Traumatic acute subdural hematoma localized on the superior surface of the tentorium cerebelli-two case reports显示文摘 | Matsurnoto K Houri T Yamaki T | 1996 | Neurol Med Chir Tokyo1996，36，6： | 1 |
| 4 | Effect of ezetmibe coadministered with atorvastatin in 628 patients with primary hypercholesterolemia: aprospective, randomized, double-blind trial显示文摘 | Ballantyne CM Houri J Notarbartolo A | 2003 | Circulation2003，107，19： | 1 |
| 5 | Loca1 recurrence of cancer of the rectum显示文摘 | Huguier M Houry S Barrier A | 2001 | Am J Surg2001，182，5： | 1 |
| 6 | miR-34a expression, epige- netic regulation,and function in human placental diseases 显示文摘 | Doridot L Houry D Gaillard H | 2014 | Epigeneties2014，9，1： | 1 |
| 7 | T - cell phenotype as a risk factor for periodontal disease 显示文摘 | Houri - Haddad Y Wilensky A Shapira L | 2007 | Periodontology2007，45，1： | 1 |
| 8 | Hsp90:a chaperone for protein folding and gene regulation显示文摘 | HOURY W A | 2005 | Biochem Cell Biol2005，83，6： | 1 |
| 9 | Local recurrence of cancer of the rectum显示文摘 | Huguier M Houry S Barrier A | 2001 | Am J Surg2001，182，5： | 1 |
| 10 | Use of HT-29,a Cultured Human Colon Cancer Cell line,to Study the Effect of Fermented Milks on Colon Cancer Cell Growth and Differentiation显示文摘 | BARICAULT L DENARIAZ G HOURI J J | 1995 | Carcinogenesis1995，16，： | 1 |
| 11 | Ovariant torsion:a fifteen-year review显示文摘 | Houry D Abbott JT | 2001 | Ann Emerg Med2001，38，2： | 1 |
| 12 | Measurement of actual electron transport system (ETS) activity in marine sediment by incubation with INT显示文摘 | HOURI DAVIGNON C RELEXANS J C ETCHEBER H | 1989 | Environmental Technology Letter1989，10，1： | 1 |
| 13 | Polypeptide flux through bacterial Hsp70:DnaK cooperates with trigger factor in chaperoning nascent chains 显示文摘 | Teter SA Houry WA Ang D | 1999 | Cell1999，97，6： | 1 |
| 14 | Indirect calorimetry: a guide for optimizing nutritional support in the critically ill child 显示文摘 | Sion-Sarid R Cohen J Houri Z | 2013 | Nutrition2013，29，9： | 1 |
| 15 | A prospective multicenter evaluation of preoperative hemostatic screening tests: the French Association for Surgical Research显示文摘 | Houry S Georgeac C Hay J M | 1995 | Am J Surg1995，170，： | 1 |
| 16 | Treament of local recurrence of rectal cancer 显示文摘 | Huguire M houry S | 1998 | Am J Surg1998，175，4： | 1 |
| 17 | Indirect calorimetry: a guide for optimizing nutritional support in the critically ill child 显示文摘 | Sion-Sarid R Cohen J Houri Z | 2013 | Nutrition2013，29，9： | 1 |
| 18 | Effect of ezetimibe coadministered with atorvastatin in 628 patients with primary hype-rcholesterolemia: a prospective, randomized, double-blind trial 显示文摘 | BALLANTYNE C M HOURI J NOTARBARTOLO A | 2003 | Circulation2003，107，： | 1 |
| 19 | Effect of ezetimibe coadminis-tered with atorvastatin in628patients with primary hypercholesterolemia:a prospective,randomized,double-blind trial显示文摘 | Ballantyne CM Houri J Notarbartolo A | 2003 | Circulation2003，107，： | 1 |
| 20 | In vivo observation of polypeptide flux through the bacterial chaperonin system显示文摘 | Ewalt K L Hendrick J P Houry W A | 1997 | Cell1997，90，13： | 1 |
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