in this paper, we have considered the problem of rotating, magnetohydrodynamic heat and mass transfer by free convective flow past an exponentially accelerated isothermal vertical plate in the presence of variable mass diffusion. while the temperature of the plate is constant, the concentration at the plate is considered to be a linear function with respect to time t. the plate is assumed to be...

The purpose of this study was to assess color alteration of the paints used for iris painting in artificial eyes. Five disks of heat cured acrylic resin were confectioned by microwave energy for each paint analyzed, in a total of 40 specimens. Each specimen consisted of a colorless acrylic resin disk and another of equal size, of scleral white colored acrylic resin, with the painting interposed...

In this work we describe a newly designed dual acrylate coating that can be used at higher temperatures than conventional acrylates, while retaining most of their advantages. As part of the discussion, we consider herein the concept of thermal stability and provide a simple way of evaluating it for different optical fiber coatings. We have used our new method to identify a dual acrylate coating...

Groundnut seed priming was performed with an aqueous solution of gibberellic acid (GA3) (0, 50, 100, and 150 ppm for 18h) and accelerated aging (96 h) was done prior to drought stress (-0.4, -0.6, and -0.8 MPa), then recovered. Investigated traits were germination percentage, mean germination time, germination rate, vigor index, plumule length, radicle length, seedling length, malondialdehyde c...

We discuss the future evolution of the universe in the light of recent observations. The apparent luminosity vs redshift of supernovae favor an accelerating universe. However an Einstein-de Sitter critical universe should not be ruled out yet.

Color changes of wood during natural aging and during heat treatment were elucidated to determine whether they could be explained as the result of a mild thermal oxidation process at ambient temperatures. The results of kinetic analysis employing the time-temperature superposition method showed that the color changes during natural aging were mainly the result of an oxidation process. Color cha...

Head rice yield (HRY) and eating qualities can be improved by accelerated newly harvest paddy rice aging. In this study, microwave heating of continuous microwave dryer was applied to heat the newly harvested paddy rice. The microwave power level (MWL), exposure times (ET), and heating rounds (HR) on accelerated rice aging properties such as head rice yield and pasting properties, water uptake,...

the objective of the present study was to assess the combined effects of drought stress and foliar application of zinc and manganese on seed quality of red bean (naz variety) during the accelerated aging test. the experiment was carried out as split factorial in a randomized complete block design (rcbd) with three replications at the research farm of shahrekord university during 2010-2011. drou...

The surface degradation of composite resins caused by accelerated aging was studied. Accelerated aging for 900 hours caused erosion of the resin matrices and exposure of filler particles. Differences in surface profiles after aging suggest that the materials eroded at different rates. Accelerated aging may model erosive wear of composites.