Ara
Toplam kayıt 629, listelenen: 591-600
Linear and nonlinear optical properties of GaAs/Al(x)Ga1-xAs/GaAs/Al(y)Ga1-yAs multi-shell spherical quantum dot
(AIP Publishing, 2013)
In this work, the optical properties of GaAs/AlxGa1-xAs/GaAs/AlyGa1-yAs multi-shell quantum dot heterostructure have been studied as a function of Al doping concentrations for cases with and without a hydrogenic donor atom. ...
Combustion synthesis and photoluminescence properties of CaAl2O4 : Eu2+, Y3+ based long lasting nanophosphors
(KOREAN ASSOC CRYSTAL GROWTH, INCSUNGDONG POST OFFICE, P O BOX 27, SEOUL 133-600, SOUTH KOREA, 2014)
Phosphorescent materials are known as long lasting materials including lanthanide atom doped nano particles which recently have found wide application field. Phosphorescent, classically, is the materials which have light ...
A modeling and control approach to advanced nuclear power plants with gas turbines
(PERGAMON-ELSEVIER, 2013)
Advanced nuclear power plants are currently being proposed with a number of various designs. However,
there is a lack of modeling and control strategies to deal with load following operations. This research
investigates ...
Robust reactivity, neutron source, and precursor estimators for nuclear reactors
(ELSEVIER SCIENCE SAPO BOX 564, 1001 LAUSANNE, SWITZERLAND, 2013)
Reactivity, precursor concentration, and external neutron source strength determine control, operation and performance of nuclear reactors. These main reactor quantities are not directly measurable and must be calculated ...
Multi-focus image fusion by using swarm and physics based metaheuristic algorithms: a comparative study with archimedes, atomic orbital search, equilibrium, particle swarm, artificial bee colony and jellyfish search optimizers
(SPRINGER, 2023)
The lenses focus only on the objects at a specific distance when an image is captured, the objects at other distances look blurred. This is referred to as the limited depth of field problem, and several attempts exist to ...
Investigating the Tradeoff Between the MMF Distortion and End Turn Length of a 2-Pole Line Start SynRM Performance
(Institute for Ionics, 2023)
Conventional 2-pole AC machine windings have long end windings and generate harmonics, which increase losses and
reduce torque density. This study investigates the performance tradeoff between the level of distortion (THD) ...
Investor bias, risk and price volatility
(Emerald Publishing, 2023)
Purpose: This study proposes a framework based on salience theory and shows that focusing on one type of risk (idiosyncratic or systemic) can explain overpricing of securities ex ante, and resales at low prices during ...
Recovery of Vanadium and Nickel from a High CaCO3 Containing Petroleum Coke Ash by Roasting and Acidic Leaching
(SPRINGER, 2023)
In this study, it was aimed to extract vanadium (V) and nickel (Ni) from a petroleum coke ash (PCA) using a roasting process
without additives, followed by leaching with sulfuric acid (H2SO4). The experiments were designed ...
A dynamic connectedness analysis between rare earth prices and renewable energy
(ELSEVIER, 2023)
Current world environmental challenges put pressure on clean energy produced mostly through renewables.
There is an undeniably important role of rare earth minerals in renewable energy technologies. This study aims
to ...
Improvement of an Undisturbed Peat Soil with Jet Grout Columns: Physical and Numerical Modeling
(Institute for Ionics, 2023)
The bearing capacity of the composite-formed soil, such as grouted peat soil, is a crucial design parameter that can be improved
by employing jet grout columns (JGCs). The coupling effect of the requirement of new industrial ...