Results 21 to 30 of about 22,267 (217)

Magnetic separation of titanium-containing minerals

Vestnik MGTU, 2019
The studies have been carried out on the Afrikanda (the Murmansk region) titanium-containing minerals segregation by magnetic separation. The technological scheme of ore preparation and further enrichment is developed taking into account the ...
Andronov G. P., Filimonova N. M., Khokhulya M. S.   +2 more
doaj   +1 more source

On the possible mantle nature of the long-wave Central-European magnetic anomaly

Геофизический журнал, 2020
This paper presents the results of a comprehensive analysis of geological and geophysical data, carried out to substantiate the existence and nature of transition class of magnetic anomalies produced by the Earth’s core and the lithosphere.
I.K. Pashkevich, M.I. Orlyuk, A.V. Marchenko, A.A. Romanets, T.A. Tsvetkova, I.V. Bugayenko   +5 more
doaj   +1 more source

Significant phase deviation of magnetic quantum oscillations induced by magnetic impurities

NPG Asia Materials
Magnetic quantum oscillations, such as Shubnikov-de Haas oscillations or de Haas-van Alphen oscillations, are widely used tools for fermiology. Notably, the phase of magnetic quantum oscillations could inform about the symmetry or topology of materials ...
Sang-Eon Lee, Sanghyun Ji, Junhee Park, Munir Humayun, Myung-Hwa Jung   +4 more
doaj   +1 more source

Rheumatoid Arthritis and Coronary Artery Calcium Progression: A Case Cohort Analysis From ELSA‐Brasil

Arthritis Care &Research, EarlyView.
Objective To investigate the association between rheumatoid arthritis (RA) and coronary artery calcium (CAC) prevalence, incidence, and progression over four years in adults without prior cardiovascular disease. Methods A case‐cohort study within the Brazilian Longitudinal Study of Adult Health (ELSA‐Brasil) included 585 participants (86 patients with ...
Patrícia Fonseca Estrada, Marcos Rafael N. Cavalcante, Itamar de Souza Santos, Márcio S. Bittencourt, Vandrize Meneghini, Paulo A. Lotufo, Alessandra C. Goulart, Isabela M. Bensenor   +7 more
wiley   +1 more source

The Use of GPR in Delineating an Iron Sand Boundary and the Determination of Its Electromagnetic Wave Velocity: A Case Study in Jepara, Central Java [PDF]

ITB Journal of Engineering Science, 2005
Exploring the vertical extent of iron sand deposit is challenging as conventional geophysical methods (electrical resistivity, geomagnetic, and seismic refraction) are inappropriate and unsuccessful in delineating the iron sand deposit from the bedrock ...
S. Bijaksana, I. Rusyanti, M. I. T. Taib, L. A. Pasasa, A. S. Andreas   +4 more
doaj  

The Lupus Damage Index Revision Program: Results From the Item Generation and Reduction Phases

Arthritis Care &Research, EarlyView.
Objective A data‐driven and expert/patient consensus‐based project to develop a revised Systemic Lupus International Collaborating Clinics (SLICC)/American College of Rheumatology (ACR) Damage Index (SDI) is under way supported by SLICC, ACR, and the Lupus Foundation of America. Our objective is to report the item generation and reduction phase results
Burak Kundakci, Megan R. W. Barber, Ann E. Clarke, Sindhu R. Johnson, Anselm Mak, Hermine I. Brunner, Murat Inanc, Rosalind Ramsey‐Goldman, Guillermo Ruiz‐Irastorza, Ellen M. Ginzler, John G. Hanly, Alexandra Legge, Cynthia Aranow, Laurent Arnaud, Nathalie Costedoat‐Chalumeau, Dafna D. Gladman, Søren Jacobsen, Michelle Petri, Clovis A. Silva, Évelyne Vinet, Alexandre E. Voskuyl, SDI Revision Literature Review Groups, SDI Revision Delphi Panel, SDI Revision Item Reduction Committee, SDI Revision Clinical Domain Groups, Ian N. Bruce   +25 more
wiley   +1 more source

A Paleomagnetic Inspection of the Paleocene-Eocene Thermal Maximum (PETM) in the Southern Pyrenees

Frontiers in Earth Science, 2018
Magnetic properties of rocks can be useful for determining paleoenvironmental changes. A dramatic climate change that occurred in the Paleocene-Eocene Thermal Maximum (PETM) modified the environment and, hence, the magnetic properties recorded in the ...
Belén Oliva-Urcia, Belén Oliva-Urcia, Inmaculada Gil-Peña, José M. Samsó, Ruth Soto, Idoia Rosales   +5 more
doaj   +1 more source

Recycling of NiTi Shape Memory Alloys: Fundamental and Technological Aspects of a Vacuum Induction Melting Processing Route

Advanced Engineering Materials, EarlyView.
The present study investigates recycling of NiTi shape memory alloys via vacuum induction melting. An ingot was synthesized from elemental Ni and Ti and subjected to three subsequent remelting cycles. Remelting increases process durations and impurity levels and adversely affects microstructures and functional properties.
Sakia Sophia Noorzayee, Son Tung Mai, Sarath Menon, Braulio Gadiel Sánchez Ortega, Ralf Drautz, Alexander Kauffmann, Gunther Eggeler, Jan Frenzel   +7 more
wiley   +1 more source

MAGNETIC AND GEOCHEMICAL STUDIES OF IRON SAND DEPOSITS AROUND TAMBORA VOLCANO IN SUMBAWA, INDONESIA: A PROXY FOR SEARCH HIGH QUALITY IRON SAND

Rudarsko-geološko-naftni Zbornik
Tambora Volcano is known as a volcano that had a catastrophic eruption in 1815, with an enormous amount of material released, including pyroclastic flows and fall deposits.
Putu Billy Suryanata, Adella Ulyandana Jayatri, Satria Bijaksana, Silvia Jannatul Fajar, Ulvienin Harlianti   +4 more
doaj   +1 more source

Magnetic mineralogical analysis of soils as a part of the integrated geological and geophysical model for the hydrocarbon prospecting

Вісник Київського національного університету імені Тараса Шевченка. Серія Геологія, 2022
Magnetic minerals form or alter in the presence of hydrocarbons, making them a potential magnetic proxy for identifying hydrocarbon migration pathways. We concentrate in the precision magnetic mineralogical analyzes to understand what magnetic minerals ...
О. Menshov
doaj   +1 more source