Results 21 to 30 of about 2,754,118 (311)

Nonoxidizing heating of chip‑powder dispersions of ferrous metals in hydrocarbon atmosphere

Литьë и металлургия, 2021
The process of inorganic and organic components temperature transformation of metal waste into solid and gaseous products in a continuous hot briquetting muffle furnace has been studied.
O. M. Dyakonov, V. Yu. Sereda
doaj   +1 more source

Low friction and wear characteristics formed by mechanically induced surface nanocrystallization: A review of recent advances

Friction
Friction and wear of metallic materials are ubiquitous in modern life, resulting in significant energy consumption and property damage. The tribological performance of metallic materials is strongly affected by their surface characteristics, motivating ...
Youwang Tu, Yong He, Lei Zhang, Miao Song   +3 more
doaj   +1 more source

Ultra-Short-Pulse Laser Welding of Glass to Metal with a Shear Strength Above 50 MPa

Micromachines
We report an ultra-short-pulse laser welding process that allows one to consistently weld Borofloat® 33 glass to aluminum with a shear strength above 50 MPa.
Lukas Günther, Jens Ulrich Thomas, Jens Hermann, Axel Ohlinger, Dominique de Ligny   +4 more
doaj   +1 more source

Metal Music and Gender [PDF]

, 2021
TSOC 455 The Sociology of GenderHeavy metal music is experienced as a vibrant and empowering global community, but its history, structure, and practice reflect and recreate larger patterns of masculine hegemony within the metal world. As the metal ethos
Fortney, Adam
core  

Elastoplastic analysis by return-mapping method with rigorous loading criterion for extended subloading surface model

Nihon Kikai Gakkai ronbunshu, 2019
The extended subloading surface model is capable of describing cyclic loading behavior accurately. The elastoplastic deformation analysis by the finite element analysis can be executed efficiently by the complete implicit stress integration method with ...
Takuya ANJIKI, Masanori OKA, Koichi HASHIGUCHI   +2 more
doaj   +1 more source

Silver and Antibiotic, New Facts to an Old Story

Antibiotics, 2018
The therapeutic arsenal against bacterial infections is rapidly shrinking, as drug resistance spreads and pharmaceutical industry are struggling to produce new antibiotics. In this review we cover the efficacy of silver as an antibacterial agent.
Frédéric Barras, Laurent Aussel, Benjamin Ezraty   +2 more
doaj   +1 more source

Effects of Metal and Metal Ion on Biomethane Productivity during Anaerobic Digestion of Dairy Manure

Fermentation, 2023
To overcome major limiting factors of microbial processes in anaerobic digestion (AD), metal and metal ions have been extensively studied. However, there is confusion about the effects of metals and metal ions on biomethane productivity in previous ...
Liang Yu, Do-Gyun Kim, Ping Ai, Hairong Yuan, Jingwei Ma, Quanbao Zhao, Shulin Chen   +6 more
doaj   +1 more source

A Review of Fused Filament Fabrication of Metal Parts (Metal FFF): Current Developments and Future Challenges

Technologies
Fused filament fabrication (FFF) is the most widespread and versatile material extrusion (MEX) technique. Although powder-based systems have dominated the metal 3D printing landscape in the past, FFF’s popularity for producing metal parts (“metal FFF ...
Johnson Jacob, Dejana Pejak Simunec, Ahmad E. Z. Kandjani, Adrian Trinchi, Antonella Sola   +4 more
doaj   +1 more source

Estudo da labilidade de Cu(II), Cd(II), Mn(II) e Ni(II) em substâncias húmicas aquáticas utilizando-se membranas celulósicas organomodificadas Lability study of Cu(II), Cd(II), Mn(II) and Ni(II) complexed by aquatic humic substances using organomodified cellulose membranes

Química Nova, 2007
In this work commercial filters papers were organomodified with tetraethylorthosilicate (TEOS) and 3-aminopropyltriethoxysilane (3-APTS), aiming at the development of a new analytical procedure for in-situ speciation of labile and inert metal species in ...
André Henrique Rosa, Danielle Goveia, Iramaia C. Bellin, Paulo Sérgio Tonello, Maria Lúcia Pereira Antunes, Newton Luiz Dias Filho, Ubirajara Pereira Rodrigues Filho   +6 more
doaj   +1 more source

High Levels of Heavy Metal(loid)s Related to Biliary Hyperplasia in Hedgehogs (Erinaceus europaeus)

Animals, 2023
Heavy metal(loid) pollution of ecosystems is a current One Health problem. The liver is one of the most affected organs in cases of acute or chronic exposure to abnormal amounts of these substances, inducing histopathologic lesions.
Catarina Jota Baptista, Fernanda Seixas, José M. Gonzalo-Orden, Carla Patinha, Pedro Pato, Eduardo Ferreira da Silva, María Casero, Erica Brazio, Ricardo Brandão, Daniela Costa, Teresa Letra Mateus, Paula A. Oliveira   +11 more
doaj   +1 more source