Results 101 to 110 of about 1,462,174 (364)

Selective electroreduction of carbon dioxide to methanol on copper selenide nanocatalysts

open access: yesNature Communications, 2019
Production of methanol from electrochemical reduction of carbon dioxide is very attractive. However, achieving high Faradaic efficiency with high current density using facile prepared catalysts remains to be a challenge.
Dexin Yang   +8 more
semanticscholar   +1 more source

High‐Temperature Oxidation of the CrFeNi Medium‐Entropy Alloy

open access: yesAdvanced Engineering Materials, EarlyView.
The oxidation behavior of equiatomic CrFeNi MEA is a key issue that determines this material's suitability for high‐temperature application. The understanding of long‐term behavior is even more crucial than short‐term corrosion effects. The alloy is exposed to synthetic air at 1000, 1050, and 1100 °C for 24, 100, and 1000 h and systematically compared ...
Anna Maria Manzoni   +5 more
wiley   +1 more source

Connecting copper and cancer: from transition metal signalling to metalloplasia

open access: yesNature Reviews. Cancer, 2021
Eva J. Ge   +23 more
semanticscholar   +1 more source

Combining Metal Additive Manufacturing and Casting Technology: High Performance Cooling Channels for Electric Powertrain Components

open access: yesAdvanced Engineering Materials, EarlyView.
When realized as inserts in high‐pressure die casting, aluminum cooling channels for electric powertrain components and similar applications typically require a stabilizing filler to survive the process. The present study investigates relinquishing this filler using additively manufactured inserts promising performance improvements.
Dirk Lehmhus   +9 more
wiley   +1 more source

Oxygen permeability of the pigmented material used in cosmetic daily disposable contact lenses

open access: yesClinical Ophthalmology, 2016
Stephen Galas, Lenora L Copper Johnson & Johnson Vision Care Inc., Jacksonville, FL, USA Purpose: To evaluate the individual contributions of pigment colorant and packing solution containing polyvinyl pyrrolidone (PVP) on the oxygen permeability ...
Galas S, Copper LL
doaj  

W‐Based Thin Film Metallic Glasses Doped with Ni, Zr, and B for Industrial Applications

open access: yesAdvanced Engineering Materials, EarlyView.
This work is the first to deal with a comprehensive comparison of two metallic glass systems, W–Zr–B and W–Ni–B, in terms of their suitability for specific industrial applications. Their mechanical and tribological properties are compared and discussed in combination with structural homogeneity on different types of technically relevant substrates and ...
Zbynek Studeny   +5 more
wiley   +1 more source

Effect of Ni/Sn ratio on microstructure and properties of Cu-Ni-Sn-P alloy

open access: yesScientific Reports
Cu-1.33Ni-1.35Sn-0.08P(Ni/Sn = 1/1), Cu-0.87Ni-1.82Sn-0.08P (Ni/Sn = 1/2) and Cu-1.78Ni-0.86Sn-0.08P (Ni/Sn = 2/1) alloys were prepared to explore the effect of different Ni/Sn ratios on the microstructure and properties of the alloys. The results showed
Xiaokang Chen   +4 more
doaj   +1 more source

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