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Summary The charge conservation laws in general are not strictly obeyed in computational electromagnetics and Magnetohydrodynamics (MHD), due to the presence of various types of numerical errors. In this paper, a field theoretical method for the treatment of the often violated charge conservation laws in computational electrodynamics and MHD has been investigated, which reduces to the well-known hyperbolic...
Transmission electron microscopy structural characterization of HfO2/GaAs(001) heterostructures grown by molecular beam epitaxy with a film thickness of ∼ 5 nm was conducted. The study indicates that the room-temperature as-grown films are amorphous and the films crystallize into the monoclinic phase upon in situ post annealing at 540 °C in the growth chamber. Both types of films show an atomically...
Titanium silicalite-1 monolith (TS-1M) was prepared using polyurethane foam as the template. The characterization of the TS-1M was carried out using XRD, SEM, UV–vis and FT-IR spectroscopies, and water vapor adsorption. Catalytic activity was measured for 1-hexene and 2,5-dihydrofuran epoxidation using H2O2 as an oxidant. These studies revealed that TS-1 monoliths have essentially identical chemical...
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