1,429 research outputs found
HEALTH AND HEALTH ECONOMICS: A CONCEPTUAL FRAMEWORK
Over the last three decades, treating health economics as an independent scientific discipline and providing specific treatment to the topics related to the economics of the health care sector have become more and more common. Currently, the field is so well established that it has appeared in the ordinary curriculum of most universities, and even if health economists are mainly to be found in the medical departments, the connections to economics proper are being strengthened, and the methodologies applied are getting refined. In this connection the paper highlights about the concept of health, why does health matter, relationship between health and Health Economics, and the justification of health economics
HEALTH AND HEALTH ECONOMICS: A CONCEPTUAL FRAMEWORK
Over the last three decades, treating health economics as an independent scientific discipline and providing specific treatment to the topics related to the economics of the health care sector have become more and more common. Currently, the field is so well established that it has appeared in the ordinary curriculum of most universities, and even if health economists are mainly to be found in the medical departments, the connections to economics proper are being strengthened, and the methodologies applied are getting refined. In this connection the paper highlights about the concept of health, why does health matter, relationship between health and Health Economics, and the justification of health economics.Health and Health Economics
Performance of Banking Sectors Due to Adoption of Information Technology (IT)
The aim of this paper is to provide an analysis on the relationship between InformationTechnology (IT) usage, CRM and performance of bank (state bank group) in Bhubaneswar,Odisha, India. Most of the banks in INDIA are geared for comprehensive banking solutionswith extensive branch networks. Empirical data collection was done in the year 2012 andanalyzed with the theoretical data. A sample of 18 branches was selected using the nonprobabilitysampling technique. Perceptions of branch managers, staff members andcustomers were collected using a survey method. All 18 branches selected are of anequivalent grade according to the grading set by the bank. Three different types ofquestionnaires were designed for branch managers, branch staff and customers. Bothstructured and semi structured questions were included in the questionnaires with 7 pointlikert scale. Using bivariate correlation and linear regression, data analysis was done. Thelinear relationship between variables was measured by using Pearsonâs correlation coefficient.The analysis suggested that IT usage has a positive linear relationship with financialperformance and quality performance of bank branches. Bank performance was found to havea correlation with factors such as staff attitude towards IT usage, IT literacy level of bankstaff and scope and complexity of the IT applications
Biosubstitutes for dural closure: Unveiling research, application, and future prospects of dura mater alternatives
The dura mater, as the crucial outermost protective layer of the meninges, plays a vital role in safeguarding the underlying brain tissue. Neurosurgeons face significant challenges in dealing with trauma or large defects in the dura mater, as they must address the potential complications, such as wound infections, pseudomeningocele formation, cerebrospinal fluid leakage, and cerebral herniation. Therefore, the development of dural substitutes for repairing or reconstructing the damaged dura mater holds clinical significance. In this review we highlight the progress in the development of dural substitutes, encompassing autologous, allogeneic, and xenogeneic replacements, as well as the polymeric-based dural substitutes fabricated through various scaffolding techniques. In particular, we explore the development of composite materials that exhibit improved physical and biological properties for advanced dural substitutes. Furthermore, we address the challenges and prospects associated with developing clinically relevant alternatives to the dura mater
Anomalous Quantum Diffusion at the Superfluid-Insulator Transition
We consider the problem of the superconductor-insulator transition in the
presence of disorder, assuming that the fermionic degrees of freedom can be
ignored so that the problem reduces to one of Cooper pair localization. Weak
disorder drives the critical behavior away from the pure critical point,
initially towards a diffusive fixed point. We consider the effects of Coulomb
interactions and quantum interference at this diffusive fixed point. Coulomb
interactions enhance the conductivity, in contrast to the situation for
fermions, essentially because the exchange interaction is opposite in sign. The
interaction-driven enhancement of the conductivity is larger than the
weak-localization suppression, so the system scales to a perfect conductor.
Thus, it is a consistent possibility for the critical resistivity at the
superconductor-insulator transition to be zero, but this value is only
approached logarithmically. We determine the values of the critical exponents
and comment on possible implications for the interpretation of
experiments
Black Holes at Future Colliders and Beyond: a Topical Review
One of the most dramatic consequences of low-scale (~1 TeV) quantum gravity
in models with large or warped extra dimension(s) is copious production of mini
black holes at future colliders and in ultra-high-energy cosmic ray collisions.
Hawking radiation of these black holes is expected to be constrained mainly to
our three-dimensional world and results in rich phenomenology. In this topical
review we discuss the current status of astrophysical observations of black
holes and selected aspects of mini black hole phenomenology, such as production
at colliders and in cosmic rays, black hole decay properties, Hawking radiation
as a sensitive probe of the dimensionality of extra space, as well as an
exciting possibility of finding new physics in the decays of black holes.Comment: 31 pages, 10 figures To appear in the Journal of Physics
Intersecting black branes in strong gravitational waves
We consider intersecting black branes with strong gravitational waves
propagating along their worldvolume in the context of supergravity theories.
Both near-horizon and space-filling gravitational wave modes are included in
our ansatz. The equations of motion (originally, partial differential
equations) are shown to reduce to ordinary differential equations, which
include a Toda-like system. For special arrangements of intersecting black
branes, the Toda-like system becomes integrable, permitting a more thorough
analysis of the gravitational equations of motion.Comment: 17 pages; v2: cosmetic improvements, published versio
Extended black holes in strong gravitational waves
We describe a large class of solutions in pure gravity, dilaton gravity and
supergravity corresponding to extended higher-dimensional black holes with
strong (non-linear) gravitational waves propagating along their worldvolume.
For pure gravity, the extended black holes are higher-dimensional analogs of
the point-like Schwarzschild black hole in four dimensions. For supergravity,
they are non-extremal p-branes. The gravitational waves can be both
space-filling and localized around the worldvolume of the extended black holes.
The solutions we present contain a large number of arbitrary functions of the
light-cone time describing the amplitudes of different non-linear gravitational
wave modes.Comment: 14 pages; v3: commentary and references extended, published versio
Al2O3-based nanofluids: a review
Ultrahigh performance cooling is one of the important needs of many industries. However, low thermal conductivity is a primary limitation in developing energy-efficient heat transfer fluids that are required for cooling purposes. Nanofluids are engineered by suspending nanoparticles with average sizes below 100 nm in heat transfer fluids such as water, oil, diesel, ethylene glycol, etc. Innovative heat transfer fluids are produced by suspending metallic or nonmetallic nanometer-sized solid particles. Experiments have shown that nanofluids have substantial higher thermal conductivities compared to the base fluids. These suspended nanoparticles can change the transport and thermal properties of the base fluid. As can be seen from the literature, extensive research has been carried out in alumina-water and CuO-water systems besides few reports in Cu-water-, TiO2-, zirconia-, diamond-, SiC-, Fe3O4-, Ag-, Au-, and CNT-based systems. The aim of this review is to summarize recent developments in research on the stability of nanofluids, enhancement of thermal conductivities, viscosity, and heat transfer characteristics of alumina (Al2O3)-based nanofluids. The Al2O3 nanoparticles varied in the range of 13 to 302 nm to prepare nanofluids, and the observed enhancement in the thermal conductivity is 2% to 36%
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