Results 11 to 20 of about 1,952,754 (311)

Making online learning accessible to disabled students: an institutional case study

open access: yesResearch in Learning Technology, 2006
Based on the authors' reflections on experience working at the Open University, approaches to making online learning accessible to disabled students are considered. The considerations are applicable to all concerned with online learning and indeed
Martyn Copper
doaj   +1 more source

Molecular responses of mouse macrophages to copper and copper oxide nanoparticles inferred from proteomic analyses [PDF]

open access: yes, 2013
The molecular responses of macrophages to copper-based nanoparticles have been investigated via a combination of proteomic and biochemical approaches, using the RAW264.7 cell line as a model.
Aude-Garcia, Catherine   +12 more
core   +5 more sources

Experience of development of porphyry copper type deposits in the Urals

open access: yesЗаписки Горного института, 2017
Russian copper company was the first in Russia to start developing porphyry copper deposits. In 2013 the Mikheevsky mining and processing plant with the annual production capacity of 18 mln t of ore was put into exploitation.
I. A. Altushkin   +3 more
doaj   +1 more source

Hypogene enrichment in Miduk porphyry copper ore deposit, Iran

open access: yesScientific Reports, 2022
This study was planned with the aim of identifying the nature and circumstances of the high-graded central core and increasing trend of copper content through depth of 1000 m in Miduk PCD. Mechanisms of high-grading, refer to hypogene enrichment (HE), in
L. Yousefi Soorani   +4 more
doaj   +1 more source

Testing the Underlying Chemical Principles of the Biotic Ligand Model (BLM) to Marine Copper Systems: Measuring Copper Speciation Using Fluorescence Quenching [PDF]

open access: yes, 2017
Speciation of copper in marine systems strongly influences the ability of copper to cause toxicity. Natural organic matter (NOM) contains many binding sites which provides a protective effect on copper toxicity.
McGeer, James C.   +2 more
core   +2 more sources

Good copper, bad copper [PDF]

open access: yesNature Reviews Microbiology, 2013
exaly   +2 more sources

Preparation and electrical properties of dense micro-cermets made of nickel ferrite and metallic copper [PDF]

open access: yes, 2009
Dense micro-cermets made of nickel ferrites and copper micrometric particles were obtained from partial reduction under hydrogenated atmosphere at 350 C of mixed copper nickel ferrites, and sintering in nitrogen at 980 C.
Baco-Carles, Valérie   +4 more
core   +3 more sources

Copper and copper patina [PDF]

open access: yesKoroze a ochrana materialu, 2017
Abstract This article is aimed at summarizing knowledge about copper and patina that is formed on the surface of copper. The article describes chemical processes in patina formation and explains the difference between natural and artificial patina, as well as some methods used in the investigation of patina such as XRD analysis, EIS ...
P. Rak, R. Bureš
openaire   +1 more source

Shockwave intravascular lithotripsy as a novel strategy for balloon undilatable heavily calcified chronic total occlusion lesions

open access: yesCardiology Journal, 2023
BACKGROUND: The successful percutaneous coronary intervention (PCI) in chronic total occlusion (CTO) improves the long-term outcome in patients with coronary artery disease (CAD).
Piotr Rola   +9 more
doaj   +1 more source

Nanocomposites of metallic copper and spinel ferrite films: Growth and self-assembly of copper particles [PDF]

open access: yes, 2005
Nanocomposites of metallic copper and iron oxides films have been prepared by RF-sputtering of pure CuFeO2 delafossite target. The films are made of copper and spinel ferrite crystallites of less than 10 nm in diameter. The content of metallic copper and
Barnabé, Antoine   +5 more
core   +3 more sources

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