Results 11 to 20 of about 9,294 (255)

Sodium Storage Properties of Carbonaceous Flowers

open access: yesMolecules, 2023
As a promising energy storage system, sodium-ion batteries face challenges related to the stability and high-rate capability of their electrode materials, especially carbon, which is the most studied anode.
Xiaolei Sun, Feng Luo
doaj   +2 more sources

Reduction of Lead Oxide by Fine-Grained Carbonaceous Materials [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
As part of the presented work, tests were carried out to check the possibility of replacing of conventional reducers used in the lead pyrometallurgical processes by cheaper, but equally effective substitutes.
T. Matuła, G. Siwiec
doaj   +2 more sources

The Kinetic Parameters of Carbonaceous Materials Activated with Potassium Hydroxide

open access: yesAdsorption Science & Technology, 2000
On the basis of micropore formation in carbonaceous materials, the activation energy for the potassium hydroxide activation of Chinese petroleum coke and coal has been deduced theoretically as dB 0 /dt = A exp(–E a ∈/RT), where ∈ is the formation energy ...
Zou Yong, Han Bu-Xing
doaj   +2 more sources

ZnO Quantum Dot Synthesis and Integration with Carbonaceous Materials

open access: yesProceedings
The biomedical area uses nanostructured materials to maximize therapeutic advantages while minimizing invasiveness and toxicity. Their applications include drug delivery, therapy activation, diagnostics, and real-time therapeutic response monitoring. The
Vasilica Țucureanu   +3 more
doaj   +2 more sources

Extended chronologies of aqueous alteration in the CM2 carbonaceous chondrites: evidence from carbonates in Queen Alexandra Range 93005 [PDF]

open access: yes, 2012
The Antarctic CM2 carbonaceous chondrite QUE 93005 contains four compositionally distinct carbonates, namely breunnerite, calcite, dolomite and a Ca-poor dolomite. These carbonates can form monomineralic grains, or may be intergrown as bimineralic grains
Alexander, C.   +4 more
core   +1 more source

The recovery of gold from the aqua regia leachate of electronic parts using a core–shell type anion exchange resin

open access: yesJournal of Saudi Chemical Society, 2017
A method of processing Wasted Electric and Electronic Equipment (WEEE), and the separation of gold that it contains, is presented within the present work.
P. Cyganowski   +5 more
doaj   +1 more source

Pitted Terrain on Vesta and Implications for the Presence of Volatiles. [PDF]

open access: yes, 2012
We investigated the origin of unusual pitted terrain on asteroid Vesta, revealed in images from the Dawn spacecraft. Pitted terrain is characterized by irregular rimless depressions found in and around several impact craters, with a distinct morphology
Reddy, V.   +44 more
core   +1 more source

Enhanced Performance of GCE/N-Reduced Graphene Oxide-Au Nanocomposite in Dopamine Sensing

open access: yesProceedings, 2019
The reduced graphene oxide (rGO) and nitrogen-reduced graphene oxide (N-rGO) were electrochemically coated with gold nanoparticles and compared as the modifier of a glassy carbon electrode (GCE) for dopamine (DA) electrochemical sensors.
Daria Minta   +2 more
doaj   +1 more source

Effect of PAN Oxidation on the Electrochemical Lithium Insertion/Deinsertion Behavior of Resultant Carbons

open access: yesJournal of Chemistry, 2015
The effect of polyacrylonitrile (PAN) oxidation on the properties and electrochemical lithium insertion/deinsertion behavior of carbons produced in the temperature range of 1000–1150°C has been assessed.
Aleksandra Piotrowska   +2 more
doaj   +1 more source

A review on the use of Hydroxyapatite-carbonaceous structure composites in bone replacement materials for strengthening purposes [PDF]

open access: yes, 2018
Biomedical materials constitute a vast scientific research field, which is devoted to producing medical devices which aid in enhancing human life. In this field, there is an enormous demand for long-lasting implants and bone substitutes that avoid ...
Pickering, Kim L.   +5 more
core   +1 more source

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