Results 61 to 70 of about 688,796 (395)
Arthritis Care &Research, Accepted Article.Objective The goal was to assess the diagnostic performance of three novel autoantibodies (NA) for Sjögren's disease (SjD) by comparing NA prevalence in patients with SjD, other autoimmune rheumatic diseases (ARDs), nonspecific chronic sialadenitis (CS), and controls.
Chadwick R. Johr +5 more
wiley +1 more source
Nature CommunicationsThe structural motif of porphyrin is relevant for many essential biological processes and has emerged as a versatile component of functional materials. Here, we introduce a thiophene-based porphyrinogen having electron-deficient boron atoms in all four ...
Manuel Buckel +8 more
doaj +1 more source
MANAGEMENT OF POWER NETWORK OPERATION SAFETY IN MINING [PDF]
Management Systems in Production Engineering, 2015 The paper characterizes hazards resulting from the use of power networks in underground workings of mines, with particular emphasis placed on electric shock and explosion hazards.
Sergiusz BORON
doaj +1 more source
Gamma ray attenuation behaviors and mechanism of boron rich slag/ epoxy resin shielding composites
Nuclear Engineering and Technology, 2023 Excellent thermal neutron absorption performance of boron expands the potential use of boron rich slag to prepare epoxy resin matrix nuclear shielding composites. However, shielding attenuation behaviors and mechanism of the composites against gamma rays
Mengge Dong +3 more
doaj +1 more source
Validation of gyrokinetic modelling of light impurity transport including rotation in ASDEX Upgrade [PDF]
, 2013 Upgraded spectroscopic hardware and an improved impurity concentration calculation allow accurate determination of boron density in the ASDEX Upgrade tokamak.
Angioni, C. +11 more
core +3 more sources
Advanced Engineering Materials, Volume 27, Issue 6, March 2025.ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur +5 more
wiley +1 more source
Advanced Engineering Materials, EarlyView.This article describes the preparation and characterization of poly(ε‐caprolactone) electrospun composite fibers incorporating sol‐gel‐derived bioactive glass particles doped with B and Cu. Scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, Fourier‐transform infrared spectroscopy, contact angle, acellular bioactivity, mechanical and ...
Elisa Piatti +5 more
wiley +1 more source
Probing the Synthesis of Two-Dimensional Boron by First-Principles Computations
, 2013 Boron synthesis, in theory: Although two-dimensional boron sheets have attracted considerable interest because of their theoretically predicted properties, synthesis of such sheets remains a challenge.
Liu, Yuanyue +2 more
core +1 more source
Can Ti‐Based MXenes Serve as Solid Lubricants for Brake Applications? A Tribological Study
Advanced Engineering Materials, EarlyView.This study explores the first implementation of Ti‐based MXenes materials in brake pad friction composite material. The resulting composite material exhibits a 48% reduction in the wear rate; alongside significant improvements are observed for thermal and mechanical properties.
Eslam Mahmoud +7 more
wiley +1 more source
Después de la pandemia: ¿antesala del socialismo o del “capitalismo recargado”?
Serviço Social & Sociedade, 2021 Resumo: Con más de un millón de muertos a causa del coronavirus a nivel mundial y casi 154.000 en Brasil, no quedan dudas que el orden mundial del pasado y, más que ello, las viejas formas de sociabilidad y organización de la vida económica han sido ya ...
Atilio Boron
doaj +1 more source