The doping of SZC solders with bismuth to improve their thermal and tensile characteristics for microelectronic applications

Journal of Materials Science: Materials in Electronics - Sn–Zn–Cu is one of the most popular soldering alloys, especially when it has been doped with Bi, which has proved very...     

Filtration Waves

Journal of Engineering Physics and Thermophysics - Equations and relations have been obtained for describing one-dimensional filtration waves in a homogeneous isotropic porous medium in plane,...     

Cast Stone Matrices Based on Basaltic Melt with Uranium-Bearing Silica Gel

Radiochemistry - The distribution of uranium between different phases of cast stone matrices fabricated by fusion of basalt and uranium-bearing SiO2-based collectors was investigated. It was found...     

Influence of Shear Loading on the Shapes of Optimal Holes in a Quasi-Orthotropic Plate

Materials Science - We develop an analytic-numerical algorithm for the determination of the optimal shape of smooth holes (with minimum stress concentration) in quasiorthotropic plates subjected to...     

Identification of Regimes and Conditions for Moisture,Removal from Materials by Noncontact Exposure to Ultrasonic Vibrations

Journal of Engineering Physics and Thermophysics - The possibility of intensifying the drying of materials by noncontact ultrasonic action at a frequency of 22 kHz at sound pressure levels up to...     

Cesium in Gaseous Emissions from the Vitrification Technology of Radioactive Waste (Review of Scientific and Technical Information)

Radiochemistry - As applied to the radioactive waste vitrification technology, published data on the behavior of cesium and its release into the gas phase are reviewed. The volatility of cesium...     

Improving Heat Flux Predictions for Directional Flame Thermometers by Incorporating Convective Effects

Fire Technology - The directional flame thermometer (DFT) is a device used to measure radiative heat flux in fire scenarios. In many DFT applications, radiation is the dominant mode of heat...     

Tax Risks and Tax Planning

Russian Engineering Research - The role of tax administration in maximizing budget revenues at different levels is described. A significant proportion of tax payments consists of the settlement of...     

On the Growth of Thin-Film AlGaN/GaN Epitaxial Heterostructures on Hybrid Substrates Containing Layers of Silicon Carbide and Porous Silicon

Semiconductors - Abstract—In our work, we carry out a structural-spectroscopic study of AlGaN/GaN epitaxial layers grown by molecular-beam epitaxy with nitrogen-plasma activation on a hybrid...     

BF3 for Compensation and Additional Emergency Protection in HTGR

Atomic Energy - The purpose of this work is to investigate materials for effective compensation of excess reactivity in high-temperature gas-cooled reactor plants. The possibility of using gaseous...