Results 91 to 100 of about 7,787,436 (340)

Effect of Monovalent Cations on the HOR/HER Activity for Pt in Alkaline Environment

Journal of the Electrochemical Society, 2019
The sluggish kinetics of hydrogen oxidation/evolution reaction (HOR/HER) is one of the major barriers for the breakthrough of alkaline membrane fuel cells.
Daniel Jochen Weber, Marek Janssen, M. Oezaslan   +2 more
semanticscholar   +1 more source

Dynamic Testing of Cold Gas Sprayed Bipolar Plates–Porous Transport Layer Coating System in Proton Exchange Membrane Water Electrolysis

Advanced Engineering Materials, EarlyView.
Through direct application of porous transport layer (PTL) on the bipolar plate (BPP) with thermal spraying, the interfacial contact resistance is improved. With the cold gas sprayed BPP–PTL coating system, a proton exchange membrane water electrolysis cell with a cell voltage of Ucell = 1.9 V can be operated up to i = 2.5 A/cm2 in a dynamic mode ...
Kirsten Bobzin, Marvin Erck, Kevin Jasutyn, Katja Radermacher, Andreas Bund, Mario Kurniawan   +5 more
wiley   +1 more source

Dye modification of nanofibrous silicon oxide membranes for colorimetric HCl and NH3 sensing [PDF]

, 2016
Colorimetric sensors for monitoring and visual reporting of acidic environments both in water and air are highly valuable in various fields, such as safety and technical textiles.
Breyne, Bet, Cousins, Gabriella, De Buysser, Klaartje, De Clerck, Karen, Geltmeyer, Jozefien, Hoogenboom, Richard, Lava, Kathleen, Steyaert, Iline, Vancoillie, Gertjan   +8 more
core   +1 more source

Additive Manufacturing of Continuous Fibre Reinforced Composites: Process, Characterisation, Modelling, and Sustainability

Advanced Engineering Materials, EarlyView.
Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley   +1 more source

Selective flotation of K-feldspar from Na-feldspar in alkaline environment

Minerals Engineering, 2019
In this study, a selective flotation process for the separation of K-feldspar from Na-feldspar was developed for the beneficiation of a Norwegian microcline-quartz pegmatite sample.
E. Larsen, Nils Egil Johannessen, P. Kowalczuk, R. A. Kleiv   +3 more
semanticscholar   +1 more source

Copper Nanocrystallization in Anodic Oxide Films of Ti–Cu‐Based Bulk Metallic Glass and Its Effect on the Corrosion Resistance and Cytocompatibility

Advanced Engineering Materials, EarlyView.
Viktoriia Shtefan, Thorgund Nemec, Ute Hempel, Annett Gebert and coworkers demonstrate that anodic treatment of Ti–Cu‐based metallic glass in a nontoxic pyrophosphate electrolyte forms a protective bilayered Ti/Zr‐oxide film enriched with Cu nanocrystals.
Viktoriia Shtefan, Nora Fernández Navas, Thorgund Nemec, Ivan Kaban, Ute Hempel, Andrea Voss, Volker Hoffmann, Darius Pohl, Annett Gebert   +8 more
wiley   +1 more source

Specific Phenylpropanoid Oligomerization in a Neutral Environment by the Recombinant Alkaline Laccase from Paramyrothecium roridum VKM F-3565

Biomolecules
Fungal laccases oxidize a wide range of substrates with a diverse spectrum of subsequent non-specific free radical reactions, leading to the production of unwanted byproducts.
Zhanna V. Renfeld, Alexey M. Chernykh, Sofia Yu. Gorina, Boris P. Baskunov, Olga V. Moiseeva, Natalia V. Trachtmann, Shamil Z. Validov, Marina P. Kolomytseva   +7 more
doaj   +1 more source

Durability of alkali activated slag in a marine environment: Influence of alkali ion [PDF]

Journal of the Serbian Chemical Society, 2018
The durability of alkali-activated steel electric arc furnace slag (EAFS) in a marine environment was evaluated with respect to the chemical composition of the alkaline activator.
Nikolić Irena, Tadić Milena, Janković-Častvan Ivona, Radmilović Vuk V., Radmilović Velimir R.   +4 more
doaj   +1 more source

Natural Bone‐Derived Ceramic Scaffolds Functionalized with Chitosan‐Gold, Chitosan‐Magnesium, and Chitosan‐Zinc for Enhanced Antibacterial Activity

Advanced Engineering Materials, EarlyView.
This study reports the development of antibacterial ceramic scaffolds derived from natural bovine bone. The bones were processed through sequential boiling and hydrogen peroxide treatment to remove organic matter, producing porous, mineral‐rich scaffolds.
Mohamad Hassan Taherian, Anh Thi Le, Anh Thi Van Le, Dung My Thi Dang, Tin Chanh Duc Doan, Chien Mau Dang, Martin Bolduc   +6 more
wiley   +1 more source

Ectopic expression of TTP gene from human in poplar promotes xylem differentiation and confers plant drought tolerance

Forestry Research
The CCCH zinc finger proteins play critical roles in a wide variety of growth, development, and stress responses. Currently, limited reports are available about the roles of animal CCCH proteins in plants.
Yamei Zhuang, Yang Chen, Qiao Wang, Yan Chen, Liping Yan, Shengjun Li, Gongke Zhou, Guohua Chai   +7 more
doaj   +1 more source