Browsing Mathematics, Statistics & Physics by Publisher "Elsevier Ltd"
Now showing items 1-20 of 28
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Antiferromagnetism in EuPdGe3
( Elsevier Ltd , 2014 , Article)The results of X-ray diffraction, magnetic susceptibility and magnetization, and 151Eu Mössbauer spectroscopy measurements of polycrystalline EuPdGe3 are reported. EuPdGe3 crystallizes in the BaNiSn3-type tetragonal structure ... -
Asymptotic behaviour of contraction non-autonomous semi-flows in a Banach space: Application to first-order hyperbolic PDEs
( Elsevier Ltd , 2016 , Conference Paper)The asymptotic behaviour is studied for a class of non-autonomous infinite-dimensional non-linear dissipative systems. This is achieved by using the concept of contraction semi-flow, which is a generalization of contraction ... -
An attribute control chart for the inverse Weibull distribution under truncated life tests
( Elsevier Ltd , 2022 , Article)Statistical Process Control (SPC) is applied to monitor production processes in order to discover any problems or issues that may arise during the production process and to help in finding solutions for these issues. In ... -
Characteristics-based model predictive control of selective catalytic reduction in diesel-powered vehicles
( Elsevier Ltd , 2016 , Article)In heavy-duty diesel exhaust systems, selective catalytic reduction (SCR) is used to reduce NOx to nitrogen to meet environmental regulations. Diesel exhaust after-treatment involves a set of components that are best ... -
Characterization of H2S gas sensor based on CuFe2O4nanoparticles
( Elsevier Ltd , 2017 , Article)Copper ferrite (CuFe2O4) nanoparticles were prepared by the sol-gel auto-combustion method and used to construct a conductometric gas sensor in this work. The as-prepared CuFe2O4 nanoparticles were annealed at 500 °C and ... -
Computational modeling and forensic analysis for terrorist airplane bombing: A case study
( Elsevier Ltd , 2019 , Article)The bombing of airliners has been a tactic used by terrorists during the past 40 years. Its prevention is a major priority by homeland security officials on a worldwide basis. In efforts to aid in the investigation of such ... -
Computational study of metal doped graphene nanoribbon as a potential platform for detection of H2S
( Elsevier Ltd , 2021 , Article)Theoretical investigation for detection of hydrogen sulfide (H2S) gas using hydrogen/nitrogen-terminated armchair graphene nanoribbon (HAGNR and NAGNR) doped with Pt is presented in this study. The investigation was ... -
Derivation of a new Merton's optimal problem presented by fractional stochastic stock price and its applications
( Elsevier Ltd , 2017 , Article)In this article, a new model of Merton's optimal problem is derived. This derivation is based on stock price presented by fractional order stochastic differential equation. An extension of Hamilton-Jacobi-Bellman is used ... -
Electron irradiated low-density polyethylene studied by positron annihilation lifetime spectroscopy
( Elsevier Ltd , 2003 , Conference Paper)A study of the degree and rate of cross-linking of low-density polyethylene (LDPE) as a result of irradiation by high-energy electron beam has been performed using positron annihilation lifetime (PAL) technique. The PAL ... -
Graphene-based nanopore approaches for DNA sequencing: A literature review
( Elsevier Ltd , 2018 , Article Review)DNA (deoxyribonucleic acid) is the blueprint of life as it encodes all genetic information. In genetic disorder such as gene fusion, copy number variation (CNV) and single nucleotide polymorphism, DNA sequencing is used ... -
Hydromagnetic couple-stress nanofluid flow over a moving convective wall: OHAM analysis
( Elsevier Ltd , 2016 , Article)This communication presents the magnetohydrodynamics (MHD) flow of a couple-stress nanofluid over a convective moving wall. The flow dynamics are analyzed in the boundary layer region. Convective cooling phenomenon combined ... -
Individual and network characteristic associated with hospital-acquired Middle East Respiratory Syndrome coronavirus
( Elsevier Ltd , 2019 , Article)Background: During outbreaks of infectious diseases, transmission of the pathogen can form networks of infected individuals connected either directly or indirectly. Methods: Network centrality metrics were used to characterize ... -
Likelihood and Bayesian estimation of using lower record values from the generalized exponential distribution
( Elsevier Ltd , 2007 , Article)We consider the likelihood and Bayesian estimation of the stress-strength reliability based on lower record values from the generalized exponential distribution. The estimators are derived and their properties are studied. ... -
Linear hydrogen gas sensors based on bimetallic nanoclusters
( Elsevier Ltd , 2016 , Article)This work reports on the fabrication of hydrogen gas sensors based on bimetallic palladium-copper nanoclusters. The nanoclusters were generated by sputtering and inert-gas condensation inside an ultra-high vacuum (UHV) ... -
The mathematical theory of finite and infinite dimensional topological spaces and its relevance to quantum gravity
( Elsevier Ltd , 2009 , Article)The present work gives first a review of the mathematical theory of finite and infinite dimensional topological spaces. Subsequently we connect the discussion with E-infinity theory and the theory of partially ordered sets. ... -
Measurements of the talus in the assessment of population affinity
( Elsevier Ltd , 2018 , Article)© 2018 Elsevier B.V. As part of their routine work, forensic anthropologists are expected to report population affinity as part of the biological profile of an individual. The skull is the most widely used bone for the ... -
Model-based optimal boundary control of selective catalytic reduction in diesel-powered vehicles
( Elsevier Ltd , 2018 , Article)This paper is devoted to design a model-based boundary optimal controller for selective catalytic reduction system. The mathematical model consists of coupled parabolic-hyperbolic PDEs with an ODE. The main objective is ... -
Photocatalytic activity of transition metal ions-loaded activated carbon: Degradation of crystal violet dye under solar radiation
( Elsevier Ltd , 2017 , Article)In this work, activated carbon (AC) was prepared from date palm stone by chemical activation method. Its properties were investigated, the surface of the AC was found to be acidic (pHpzc of 3.95), Brunauer-Emmet-Teller ... -
Physical, microstructural and mechanical study of isochronal annealing of deformed commercial iron
( Elsevier Ltd , 2016 , Article)Isochronal annealing of deformed commercial iron samples (99.88 m.-% Fe) after cold deformation is studied by means of Vickers microhardness and physical techniques based on positron annihilation (positron annihilation ... -
Positron annihilation studies of the effect of gamma irradiation dose in polymers
( Elsevier Ltd , 2003 , Conference Paper)Positron annihilation lifetime (PAL) technique has been applied to study the effect of gamma irradiation dose on the structure of low-density polyethylene and polystyrene. The positron annihilation lifetime measurements ...