Browsing by Publisher "Elsevier Ltd"
Now showing items 21-40 of 101
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Comparative studies on thermoluminescence characteristics of non-doped Mg2SiO4 prepared via a solid-state reaction technique and wet-chemical method: An unusual heating rate dependence
(Elsevier Ltd, 2019)Magnesium orthosilicate (Mg2SiO4)was synthesized via a traditional solid-state reaction and a wet chemical route. This study primarily reported the thermoluminescence (TL)behavior of Mg2SiO4 host. X-ray diffraction pattern ... -
Compression after low velocity impact tests of marine sandwich composites: Effect of intermediate wooden layers
(Elsevier Ltd, 2018)In the present work, compression after impact (CAI) behavior of sandwich composite materials with intermediate wooden layers was investigated. Sandwich panels were manufactured by using vacuum assisted resin transfer molding ... -
Conjugate mixed convection of nanofluid in a cubic enclosure separated with a conductive plate and having an inner rotating cylinder
(Elsevier Ltd, 2019)In this study, convective heat transfer features of CNT-water nanofluid in a three dimensional cubic enclosure which is separated by a conductive partition and having an inner rotating adiabatic circular cylinder were ... -
Conjugate natural convection in a nanofluid filled partitioned horizontal annulus formed by two isothermal cylinder surfaces under magnetic field
(Elsevier Ltd, 2017)Natural convection in a CuO-water nanofluid filled horizontal partitioned annulus formed by two isothermal surfaces under the influence of an inclined magnetic field was numerically investigated. A conductive partition ... -
Controlled modulation of 1D ZnO nano/micro structures: Evaluation of the various effects on the photocatalytic activity
(Elsevier Ltd, 2017)Effects of the concentration, temperature and precursor type on the fabrication of the elongated ZnO nano/micro structures were comprehensively investigated. Analytical investigations such as SEM and statistical analysis ... -
Controlling short circuiting, oxide layer and cavitation problems in electrochemical machining of freeform surfaces
(Elsevier Ltd, 2018)Freeform surfaces are widely used in the design of complex parts to satisfy aesthetic and functional requirements, particularly in automotive, aeronautics, and die-mould industries. Traditional machining of freeform surfaces ... -
Coordination entities of a pyrene-based iminopyridine ligand: Structural and photophysical properties
(Elsevier Ltd, 2017)A pyrene-based iminopyridine ligand L has been prepared and displays the absorption and emission properties expected for pyrene-based derivatives in solution. Ligand L, as well as two neutral and one monocationic coordination ... -
Current practice of autologous hematopoietic progenitor cell mobilization in adult patients with multiple myeloma and lymphoma: The results of a survey from Turkish hematology research and education group (ThREG)
(Elsevier Ltd, 2017)Autologous hematopoietic cell transplantation (AHCT) is an established treatment option for adult patients presenting with multiple myeloma (MM), Hodgkin lymphoma (HL) and various subtypes of non-Hodgkin lymphoma (NHL) in ... -
Determination of thermoluminescence kinetic parameters of white and blue chalcedony exposed to X-ray irradiation
(Elsevier Ltd, 2018)The study reveals the thermoluminescence (TL) properties of white and blue chalcedony minerals which this mineral mined two different regions (Edirne and Eskişehir, respectively) of Turkey. With the help of various ... -
Disassembly line balancing with sequencing decisions: A mixed integer linear programming model and extensions
(Elsevier Ltd, 2019)Due to the acceleration of technological developments and shortening of product life cycles, product recovery has gained great importance in recent years. Disassembly line balancing (DLB) problem is one of the most important ... -
Does alternative energy usage converge across Oecd countries?
(Elsevier Ltd, 2020)The purpose of this study is to examine whether there exists a significant convergence process in the share of alternative energy use across 28 OECD (The Organisation for Economic Co-operation and Development) countries ... -
Doping Sm3+ into ZnB2O4 phosphors and their structural and cathodoluminescence properties
(Elsevier Ltd, 2018)In this study, ZnB2O4:xSm3+ (0.01 ≤ x ≤ 0.05 mol) powder phosphors have been synthesized by low temperature chemical synthesis method. The structure and morphological observation of the phosphor samples were systematically ... -
Dynamics of fluid conveying pipes using Rayleigh theory under non-classical boundary conditions
(Elsevier Ltd, 2019)The dynamic behavior of fluid conveying pipe has been investigated by using Rayleigh theory to present the effect of non-classical boundary conditions on natural frequencies. The assumption of ideal fluid is used for ... -
Effect of simulation training on students′ childbirth skills and satisfaction in Turkey
(Elsevier Ltd, 2020)This study examined the effects of simulation training on student midwives' management skills for normal childbirth and their satisfaction. This study utilized a quantitative, quasi-experimental, comparison group research ... -
Effects of an inner stationary cylinder having an elastic rod-like extension on the mixed convection of CNT-water nanofluid in a three dimensional vented cavity
(Elsevier Ltd, 2019)Numerical study for the effects of an inner stationary cylinder having an elastic rod like extension on the mixed convection of CNT-water nanofluid in a three dimensional vented cavity was performed by using finite element ... -
Effects of different fin parameters on temperature and efficiency for cooling of photovoltaic panels under natural convection
(Elsevier Ltd, 2019)The photovoltaic panels are one of the most efficient energy systems that generate electricity by absorbing the solar radiation. Nevertheless, when the sun's rays are converted to electricity, a high amount of waste heat ... -
Energy and exergy analysis of solar air heater having new design absorber plate with conical surface
(Elsevier Ltd, 2018)Solar air heater is used to heat air for space heating and drying process but it has low thermal efficiency because of low thermal conductivity between absorber plate and air. Artificial surface geometry is a very effective ... -
Energy, exergy, economic and environmental (4E) analyses of flat-plate and V-groove solar air collectors based on aluminium and copper
(Elsevier Ltd, 2017)An experimental investigation has been carried out to study the effect of energy, economic, and environment of SACs which are smooth and roughened by v-groove protrusions arranged made of copper and aluminium materials. ... -
Enhancing the blue luminescence behaviour of the Li co-doped novel phosphor ZnB2O4: Tm3+
(Elsevier Ltd, 2020)Here we report a detailed structural analysis, and properties of the cathodoluminescence (CL), photoluminescence (PL) and 3D thermoluminescence spectra of the Tm3+ incorporated ZnB2O4 phosphor successfully synthesized ... -
Eu3+ and Dy3+ doped La2MoO6 and La2Mo2O9 phosphors: Synthesis and luminescence properties
(Elsevier Ltd, 2020)We report a detailed structural analysis and properties of the photoluminescence (PL) and thermoluminescence (TL) spectra of Eu3+ and Dy3+ incorporated into novel La2MoO6 and La2Mo2O9 phosphors synthesized successfully ...