Results 51 to 60 of about 111,130 (266)

Laboratory studies of spacecraft response to transient discharge pulses [PDF]

, 1985
The in-orbit measurement of spacecraft discharge properties was investigated. The experiments include design and fabrication of appropriate sensors and effects of spacecraft electromagnetic responses on the interpretation of the discharge data.
Adamo, R. C., Nanevicz, J. E.
core   +1 more source

Investigation of Oxygen‐Free Wetting Behavior of Aluminum on Copper via Molecular Dynamics Simulations and Experiments

Advanced Engineering Materials, EarlyView.
The wettability of aluminum droplets (Al) on different copper substrates (Cu), where liquid Al spreads on solid Cu surfaces to form a liquid–solid interface, is studied numerically and experimentally. The experimental and numerical results show good agreement in the fast‐spreading regime.
Shan Lyu, Timon Steinhoff, Finn‐Lennard Janthur, Sarah Seffer, Jörg Hermsdorf, Christian Klose, Ludger Overmeyer, Hans‐Jürgen Maier, Nina Merkert   +8 more
wiley   +1 more source

Divergent gunshot residues and characterization of the memory effect in a .22 caliber revolver and pistol

Egyptian Journal of Forensic Sciences, 2023
Background The forms and compositions of primer gunshot residue (GSR) in shooting cases have been routinely analyzed in many crime labs by scanning electron microscope/energy-dispersive X-ray spectroscopy (SEM/EDS).
Bryan R. Burnett, Felice Nunziata
doaj   +1 more source

Study of using three dimensional printer for EDM electrode fabrication [PDF]

, 2011
In this study, Cu-Al2O3 powder was prepared using ball mill and used separately for powder metallurgy (PM) and Three Dimensional Printer (3DP) application to fabricate electrode for electrical discharge machining (EDM).
Hassan, Noor Haslyena
core  

Modeling non-stationary, non-axisymmetric heat patterns in DIII-D tokamak

, 2016
Non-axisymmetric stationary magnetic perturbations lead to the formation of homoclinic tangles near the divertor magnetic saddle in tokamak discharges.
Caldas, I. L., Ciro, D., Evans, T. E.
core   +1 more source

Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys

Advanced Engineering Materials, EarlyView.
This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa, Aparna Saksena, Alesander Kostka, Pascal Thome, Felicitas Scholz, Alexandre Mussi, Christoph Somsen, Baptiste Gault, Jan Frenzel, Gunther Eggeler   +9 more
wiley   +1 more source

Total Phosphorus Loadings and Corrective Actions Needed to Restore Water Quality in a Eutrophic Urban Lake in Minnesota, USA: A Case Study

Limnological Review
Lake Winona, a 129 ha eutrophic urban lake comprised of two interconnected basins, exceeds state water quality standards for total phosphorus. Historical lake nutrient data and traditional watershed modeling for the lake’s two basins highlighted multiple
Neal D. Mundahl, John Howard
doaj   +1 more source

Genetic Microbial Source Tracking Support QMRA Modeling for a Riverine Wetland Drinking Water Resource

Frontiers in Microbiology, 2021
Riverine wetlands are important natural habitats and contain valuable drinking water resources. The transport of human- and animal-associated fecal pathogens into the surface water bodies poses potential risks to water safety.
Julia Derx, Katalin Demeter, Rita Linke, Sílvia Cervero-Aragó, Gerhard Lindner, Gabrielle Stalder, Jack Schijven, Jack Schijven, Regina Sommer, Julia Walochnik, Alexander K. T. Kirschner, Alexander K. T. Kirschner, Jürgen Komma, Alfred P. Blaschke, Andreas H. Farnleitner, Andreas H. Farnleitner   +15 more
doaj   +1 more source

Effects of vertical vibration on hopper flows of granular material [PDF]

, 2002
The discharge of granular material from a hopper subject to vertical sinusoidal oscillations was investigated using experiments and discrete element computer simulations.
Brennen, C. E., Freese, P. J., Hunt, M. L., Palamara, J., Wassgren, C. R.   +4 more
core   +1 more source

Corrosion and Process Analysis of a Preoxidized MgO Recyclate‐Based Cermet Anode in Laboratory‐Scale Na‐Cryolite Molten Salt Electrolysis of Aluminum at 1000°C

Advanced Engineering Materials, EarlyView.
EDX elemental map of the pre‐oxidized MgO–steel cermet anode cross section after electrolysis. The development of inert anodes for aluminum electrolysis remains challenging due to the high corrosivity of cryolite‐based melts at 950°C–1000°C. This study investigates the corrosion and process behavior of a carbon‐free MgO–steel cermet anode derived from ...
Alexander Adamczyk, Farhan Hossain, Felipe A. Garcia Paz, Serhii Yaroshevskyi, Felix Drechsler, Daniel Vogt, Christos G. Aneziris, Alexandros Charitos   +7 more
wiley   +1 more source