manganese dioxide

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manganese dioxide

n.
A black crystalline compound, MnO2, that is a strong oxidant and is used as a depolarizer of dry-cell batteries and in textile dyeing.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Although we have measured the manganese contents of several varieties of Etruscan ceramics from Murlo, Italy, in our laboratory (Tobey et al., 1986), it is not clear that elemental analyses of manganese will shed much light on the suggestion that reduction of manganese oxides causes black coloration in some ceramics.
Our strategy at Mirante da Serra is to test the development potential of the extensive sediment-hosted manganese oxide occurrences, with the objective of defining a resource capable of providing a stable supply to an adjacent processing facility.
Summary: Fine particles of manganese oxide were synthesized by following the controlled precipitation method.
Post, "Manganese oxide minerals: crystal structures and economic and environmental significance," Proceedings of the National Academy of Sciences of the United States of America, vol.
Burgos, "Characterization of manganese oxide precipitates from Appalachian coal mine drainage treatment systems," Applied Geochemistry, vol.
BASF Coatings GmbH has been granted a patent for an aqueous coating composition comprised of a metal oxide selected from the group consisting of bismuth oxide, vanadium oxide, manganese oxide, cobalt oxide, zinc oxide, strontium oxide, yttrium oxide, molybdenum oxide, zirconium oxide, lanthanum oxide, oxides of the lanthanide series of elements
Gu, "Growth of manganese oxide nanoflowers on vertically-aligned carbon nanotube arrays for high-rate electrochemical capacitive energy storage," Nano Letters, vol.
By coating the individual fibres of the carbonised fabric with manganese oxide just a nanometre thick, the electrode performance of the fabric was further enhanced.
The 31 papers include discussions of miniature ceramic antennas for wireless applications, piezoelectric thin film devices, oriented barium hexaferrite thick films prepared by electrophoretic deposition in a magnetic field, magnetic properties of cobalt and manganese oxide spinel ceramics, spin flexo-electricity and new aspects of micromagnetism, and the electric spin resonance of nickelate.
While cobalt blue is the most common colour, the bird tiles here are in purple derived from manganese oxide.
The Company recently signed a Letter of Intent with ConsMin Trade Pte Ltd to secure a long term supply of 70,000 tpa of high grade Manganese Oxide ore annually."The results of the EMD PFS have confirmed that the post tax, pre finance Net Present Value (at a discount rate of 10%) of the project is around A$325 million.The post tax payback is less than two years."There are tremendous synergies between the two value adding project components," Mr Tan said.
In the new study, researchers led by Howard Harris, also of USC, videotaped Shewanella cells as they came into contact with materials that could store electrons, such as manganese oxide. The cells appeared to be having what study coauthor Orianna Bretschger of the J.