نتایج جستجو برای: گمشدگی تصادفی mar
تعداد نتایج: 118880 فیلتر نتایج به سال:
Article history: Received: 30 Jun 2011 Revised: 02 Mar 2011 Accepted: 28 Mar 2011
Article history: Received: 13 Nov 2011 Revised: 6 Mar 2012 Accepted: 6 Mar 2012
وجود داده های گمشده در بیش تر آمارگیری ها امری اجتناب ناپذیر است. اما در تمامی طرح های آماری قبل از اجرای آن، مطمئناً راهکار مناسبی برای برخورد با این مشکل در نظر گرفته می شود. از جمله مواردی که برای برخورد با داده های گمشده در نظر گرفته می شود، جانهی و وزن دهی است که هر کدام مزیت ها و مشکلاتی دارند، اما استفاده از مجموعه داده ای که هیچ یک از این دو روش را در تحلیل به کار نگیرد، منجر به اریبی بر...
Ray, Ramesh M., Mary Jane Viar, Tarun B. Patel, and Leonard R. Johnson. Interaction of asparagine and EGF in the regulation of ornithine decarboxylase in IEC-6 cells. Am. J. Physiol. 276 (Gastrointest. Liver Physiol. 39): G773–G780, 1999.—Our laboratory has shown that asparagine (ASN) stimulates both ornithine decarboxylase (ODC) activity and gene expression in an intestinal epithelial cell lin...
Just, Armin, Heimo Ehmke, Uwe Wittmann, and Hartmut R. Kirchheim. Tonic and phasic influences of nitric oxide on renal blood flow autoregulation in conscious dogs. Am. J. Physiol. 276 (Renal Physiol. 45): F442–F449, 1999.—The aim of this study was to investigate the influence of the mean level and phasic modulation of NO on the dynamic autoregulation of renal blood flow (RBF). Transfer function...
(75) Inventors: Matthew Ralph Maschmann, Chandler, AZ (US); Timothy Scott Fisher, West Lafayette, IN (US); Timothy Sands, West Lafayette, IN (US); Rashid Bashir, West Lafayette, IN (US) 5,382,417 A 5,993,694 A 6,129,901 A 6,139,713 A 6,217,828 B1 6,232,706 B1 6,297,592 B1 6,359,288 B1 6,465,132 B1 1/1995Haase 11/1999 Ito et al. 10/2000 Moskovits et al. ........ 423/447.3 10/2000 Masuda et al. 4...
Coffin, Benoit, Sophie Fossati, Bernard Flourié, Marc Lémann, Pauline Jouet, Claire Franchisseur, Raymond Jian, and Jean-Claude Rambaud. Regional effects of cholecystokinin octapeptide on colonic phasic and tonic motility in healthy humans. Am. J. Physiol. 276 (Gastrointest. Liver Physiol. 39): G767–G772, 1999.—The aim of this study was to assess in nine healthy subjects the effects of CCK octa...
Booth, Barbara A., Mary Boes, Brian L. Dake, and Robert S. Bar. Isolation and characterization of plasmingenerated bioactive fragments of IGFBP-3. Am. J. Physiol. 276 (Endocrinol. Metab. 39): E450–E454, 1999.—Insulin-like growth factor-binding protein-3 (IGFBP-3) was digested with plasmin, and the proteolytic fragments were isolated by HPLC and tested for bioactivity as measured by stimulation ...
AKI YAMADA,1 SUSUMU OHYA,2 MASARU HIRANO,2 MINORU WATANABE,2 MICHAEL P. WALSH,3 AND YUJI IMAIZUMI1 1Department of Pharmacology and Therapeutics and 2Department of Chemical Pharmacology, Faculty of Pharmaceutical Sciences, Nagoya City University, Nagoya 467-8603, Japan; and 3Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Ca...
Eaton, Philip, Jian-Mei Li, David J. Hearse, and Michael J. Shattock. Formation of 4-hydroxy-2-nonenalmodified proteins in ischemic rat heart. Am. J. Physiol. 276 (Heart Circ. Physiol. 45): H935–H943, 1999.—4-Hydroxy-2nonenal (HNE) is a major lipid peroxidation product formed during oxidative stress. Because of its reactivity with nucleophilic compounds, particularly metabolites and proteins co...
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