Güncel Gönderiler: Fakülteler
Toplam kayıt 3310, listelenen: 2361-2380
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Production of metal matrix composites by the vortex method and investigation of the effect of changing casting temperature on particles ratio of product-composite
(Blackwell Publishing Inc., 2014)In this study, Al-2011 alloyed and Al2O3 particle-reinforced metal matrix composite (MMCs) were produced by using the Vortex method. Immediately after pouring composite to the mold and before full solidification, the ... -
Residual stress analysis snd expansion of plastic zone in simple supported and clamped supported woven Ni-Cr reinforced thermoplastic matrix composite laminated plates
(2007)In this study, a residual stress analysis is carried out on symmetric cross-ply and angle-ply thermoplastic simple supported and clamped supported laminated plates for transverse loading. Low density polyethylene thermoplastic ... -
An elastic-plastic stress analysis of woven Ni-Cr reinforced thermoplastic composite cantilever beam
(2007)In the present study an analytical elastic-plastic stress analysis is carried out for a low-density homogeneous polyethylene thermoplastic cantilever beam reinforced by Ni-Cr steel fibers. The beam is loaded by a constant ... -
Development of a HILIC method for the determination of 5-fluorouracil from nano drug delivery systems and rat skin extracts
(Elsevier B.V., 2018)This is the first report in literature using hydrophilic interaction liquid chromatography (HILIC) in combination with diode array detector (DAD) for stability indicating determination of 5-Fluorouracil (5-FU) from its ... -
Recent progress on the sensitive detection of cardiovascular disease markers by electrochemical-based biosensors
(Elsevier B.V., 2018)Cardiovascular disease is the most reason for deaths in all over the world. Hence, biomarkers of cardiovascular diseases are very crucial for diagnosis and management process. Biomarker detection demand is opened the ... -
Transventricular mitral valve repair in patients with acute forms of ischemic mitral regurgitation
(Texas Heart Institute, 2014)Transventricular mitral valve surgery combined with left ventricular restoration avoids atriotomy and provides a larger operative field. We describe a series of 5 patients in whom we performed transventricular mitral valve ... -
New cutting method to aid performance of graft-to-graft aortic anastomosis
(Texas Heart Institute, 2015)In graft-replacement surgery of the ascending aorta and aortic arch, 2 separate grafts are frequently needed in order to construct a more physiologically configured aorta. We describe a new cutting method for accurate ... -
Illumination intensity effects on the dielectric properties of schottky devices with Co, Ni-doped PVA nanofibers as an interfacial layer
(2012)ABSTRACT:In this study, the Au/poly(vinyl alcohol) (Co, Ni-doped)/n-SiSchottky devices (SDs) were fabricated usingn-type single crystal silicon(phosphor-doped). The ohmic and rectifier contacts were thermally formed ... -
Residual stress analysis of aluminum metal matrix composite laminated plates with a square hole
(2009)Metal matrix composites provide new materials with superior properties. They give high strength and stiffness. In this study, a stainless steel reinforced aluminum metal matrix laminated simple supported plate with a square ... -
Protective effect of caffeic acid phenethyl ester (CAPE) on ischemia-reperfusion injury in rat ovary
(Universidad de la Frontera, 2017)The aim of this study was to investigate the effects of caffeic acid phenethyl ester (CAPE) as a prophylactic agent on ischemia/reperfusion (I/R) injury in the rat ovary. A total of 28 Wistar rats were divided into 4 equal ... -
Effects of potentilla fulgens on tuba uterina in ovariectomized rats
(Universidad de la Frontera, 2016)A total of 32 Wistar rats were divided into four equal groups: (I) sham, (II) ischemia, (III) reperfusion and (IV) Potentilla fulgens. In groups I and II, ovary torsion was not performed and no drug was administered. In ... -
Images in cardiovascular medicine
(Texas Heart Institute, 2016)In 1973, a 10-year-old boy with rheumatic mitral stenosis underwent mitral valve replacement with use of a Starr-Edwards caged-ball valve (SECBV) model 6120. In March 2013, the adult patient presented with severe aortic ... -
Histopathological and immunohistochemical changes in the amniotic membrane of gestational diabetic mothers
(Universidad de la Frontera, 2017)The aim of this study is to examine the changes in the amniotic membrane diagnosed with gestational diabetes mellitus. In this study, as a control group human amnion membrane from normotensive pregnancies was collected ... -
The inhibition of steel corrosion in acidic solutions by a new Schiff base
(Sociedad Chilena de Quimica, 2016)The inhibition effect of 2,2?- (((thiobis (4,1 phenylene)) bis(azanylylidene)) bis(methanylyidene)) bis(4-methoxyphenol) (BIS-IMIN) on the corrosion behavior of 304-stainless steel (SS) in 0.5 M HCl solution was studied ... -
Preparation and swelling properties of zeolite-poly(2-hydroxyethyl methacrylate-co-acrylic acid) hydrogel composites
(Polish Academy of Sciences, 2016)Zeolite-Poly(2-hydroxyethyl methacrylate (HEMA)-co-acrylic acid (AA)) hydrogel composite materials were synthesized by in situ free radical addition polymerization technique. The swelling values obtained highly for the ... -
Electrical conductivity and corrosion performances of in situ and ex situ AA7075 aluminum composites
(Polish Academy of Sciences, 2017)The present study investigates corrosion behaviors and electric conductivity of AA7075 in situ (TiAl3) and ex situ (B4C) composites produced by powder metallurgy method. In production of in situ composites, various amounts ... -
Corrosion behaviour and electrical conductivity of reinforced TiAl3 and B4C hybrid aluminium composites
(Polish Academy of Sciences, 2017)In this study, corrosion and electric conductivity of aluminum hybrid composites (in situ TiAl3 and ex situ B4C) produced by powder metallurgy are investigated. Hybrid (in situ and ex situ) aluminum composite powders are ... -
Effect of surfactant types on the size of tin oxide nanoparticles
(Polish Academy of Sciences, 2017)In this study, tin oxide (SnO2) nanoparticles were synthesized by hydrothermal method in the presence of hydrazine and ammonia by adding surfactant for 12 h in a Teflon autoclave at 100°C reaction temperature. Tin(II) ... -
Synthesis, characterization and sensing behavior of WO3 nanocrystalline powder for toluene vapor
(Polish Academy of Sciences, 2017)Tungsten oxide (WO3) nanocrystalline powder was successfully synthesized by direct precipitation technique starting from sodium tungstate dehydrate (Na2WO4•2H2O) as precursor at 80°C for 48 h. The morphological characteristics, ... -
High pressure elastic properties of wurtzite aluminum nitrate
(Physical Society of the Republic of China, 2014)Aluminum nitrate is an indisputable material for current optoelectronic technology. Although much scientific effort has been devoted to understand the ground state elastic properties of aluminum nitrate, little is known ...