-
Article
Open AccessValidation of the 2022 European LeukemiaNet risk stratification for acute myeloid leukemia
This study aimed to validate the 2022 European LeukemiaNet (ELN) risk stratification for acute myeloid leukemia (AML). A total of 624 newly diagnosed AML patients from 1998 to 2014 were included in the analysi...
-
Article
Association between alcohol and bone mineral density in a Mendelian randomization study: the Dong-gu study
Many previous studies have reported a positive relationship between alcohol and bone mineral density (BMD). However, the causality between alcohol and BMD has not been fully evaluated.
-
Article
Open AccessAssociation between ALDH2 polymorphism and esophageal cancer risk in South Koreans: a case-control study
Alcohol consumption is a major risk factor for esophageal cancer; however, a high incidence of esophageal cancer is observed particularly among Eastern Asians, although they consume relatively less alcohol, pr...
-
Article
Serum level vitamin D and parathyroid hormone, and mortality, with or without chronic kidney disease
Levels of vitamin D and parathyroid hormone (PTH) are closely associated with renal function. We evaluated the associations among 25-hydroxyvitamin D (25OHD) levels, PTH levels, and mortality, and whether thes...
-
Article
Some theoretical aspects on the onset of buoyancy-driven convection in a fluid-saturated porous medium heated impulsively from below
Some theoretical aspects of the onset of buoyancy-driven instability in an initially quiescent, isotropic fluidsaturated porous layer are considered. Darcy’s law is employed to examine characteristics of fluid...
-
Article
Thermal instability of a fluid layer when cooled isothermally from above
The onset of buoyancy-driven convection in an initially motionless isothermal fluid layer is analyzed numerically. The infinite horizontal fluid layer is suddenly cooled from above to relatively low temperatur...
-
Article
Stability of buoyancy-driven convection in directional solidification of a binary melt
In directional solidification, compositional convection can be driven by an unstable density gradient in the melt. In this paper convective instabilities in liquid and mushy layers during solidification of a h...
-
Article
Onset of Buoyancy-driven Instability in Porous Medium Solidified from Above
When a porous melt layer saturated by liquid is solidified from above, convection often sets in due to buoyancy forces. In this study, the onset of buoyancy-driven convection during time-dependent solidificati...
-
Article
The spatiotemporal instability on mixed convection in porous media
The absolute and convective instability on mixed convection in porous media is examined, and the phase transition from the oscillatory wave motion to the stationary vortex one is observed. Based on linear and ...
-
Article
Onset of buoyancy-driven convection in melting from below
When a horizontal homogeneous solid is melted from below, convection can be induced in a thermally unstable melt layer. In this study the onset of buoyancy-driven convection during time-dependent melting is in...
-
Article
Onset of Buoyancy-Driven Convection in Porous Media Saturated with Cold Water Cooled from Above
When porous media saturated with initially stagnant cold water around the density maximum temperature are cooled from above, convection may be induced in an unstable lower layer. In this study, the onset of bu...
-
Article
Onset of convection in a porous mush during binary solidification
The onset of convection in a mushy layer during solidification of a binary melt is investigated by using the propagation theory we have developed. The critical conditions for the mushy-layer-mode of instabilit...
-
Article
Optical characteristics of xSrO·yAl2O3: Eu phosphors excited by ultraviolet light emitting diodes
We investigated the optical characteristics of strontium aluminate phosphors excited by near ultraviolet light emitting diodes (UV LEDs). For UV LEDs applications, strontium aluminates doped with europium were...
-
Article
Onset of Buoyancy-driven Instability in Porous Media Melted from Below
When a nonhomogeneous solid is melting from below, convection may be induced in a thermally–unstable melt layer. In this study, the onset of buoyancy-driven convection during time-dependent melting is investig...
-
Article
The onset of Taylor-Görtler vortices in the time-dependent Couette flow induced by an impulsively imposed shear stress
The onset of Taylor-Görtler instability induced by an impulsively started rotating cylinder with constant shear stress was analyzed by using propagation theory based on linear theory and momentary instability ...
-
Article
The onset of buoyancy-driven convecion in a horizontal fluid layer subjected to evaporative cooling
The onset of buoyancy-driven convection in an initially isothermal, quiescent fluid layer experiencing evaporative cooling from above is analyzed under linear theory. Based on propagation theory, the self-simi...
-
Article
The onset of Taylor-like vortices in the flow induced by an impulsively started rotating cylinder
The onset of instability in the flow by an impulsively started rotating cylinder is analyzed under linear theory. It is well-known that at the critical Taylor number Tc=1695 the secondary flow in form of Taylor v...
-
Article
The onset of Taylor-Görtler vortices in impulsively decelerating swirl flow
The onset of hydrodynamical instability induced by impulsive spin-down to rest in a cylinder containing a Newtonian fluid is analyzed by using propagation theory. It is well-known that the primary transient sw...
-
Article
The Onset of Oscillatory Convection in a Horizontal Porous Layer Saturated with Viscoelastic Liquid
The onset of thermal convection in an isothermally heated, horizontal porous layer saturated with viscoelastic liquid was analyzed analytically under the linear theory. An existing constitutive model, which is...
-
Article
The temporal evolution of thermal instability in fluid layers isothermally heated from below
The temporal development of thermal disturbances in the fluid layer heated isothermally from below is investigated, based on propagation theory. This theory is examined by using scaling. To examine the behavio...
