Sentences with phrase «magnetite for»

One of its subsidiaries, Reiss Viking, now owned by Quality Magnetite, LLC, is one of the largest suppliers of magnetite for the coal industry.
The conclusion was that Martian microbes once used magnetite for the same purpose as terrestrial ones do.

Not exact matches

Iron ore miner Gindalbie Metals has extended its finance facility for its Karara magnetite project in the Mid West by three years and an additional $ US400 million ($ 428 million).
A joint venture between Viento Group and indigenous - owned Kimberley Pipelines has been awarded a $ 9.8 million pipeline construction works contract for the first stage of Fortescue Metals Group's North Star magnetite project in the Pilbara..
Fortescue Metals Group has awarded Perth - based Intellect Systems, a subsidiary of Resource Development Group, a control and engineering services contract for the first stage of its North Star magnetite project in the Pilbara.
«Windjana has more magnetite than previous samples we've analyzed,» said David Blake, principal investigator for Curiosity's Chemistry and Mineralogy (CheMin) instrument at NASA's Ames Research Center, Moffett Field, California.
But in order for today's magnetic intensity readings of the magnetite to reveal the actual conditions of that era, the researchers needed to make sure the magnetite within the zircon remained pristine from the time of formation.
«I know of no biogenic mechanism for growing whiskers, and I don't know of any biogenic magnetite that contains screw dislocations,» agrees Peter Buseck, a geochemist at Arizona State University in Tempe.
The two new papers, one published this week in Geochimica et Cosmochimica Acta, the other accepted for publication in the same journal, provide nonbiological explanations for the magnetite particles and the PAHs.
An international research team has now studied this question for the first time at ultra-high resolution on samples of magnetite, the mineral dominating the magnetic properties in the earth's crust.
«It is only in a small part of naturally occurring magnetite that magnetic structures known for being very stable with respect to temperature fluctuations are found,» explains Dr. Trevor Almeida of Imperial College London.
But locating the cells that contain the 50 - nanometer particles has been like looking for a needle in a haystack, in part because the tissue - dissolving methods used to identify magnetite turn biological samples to mush.
Having shown that chemically modified magnetite (Fe2CrO4) meets the basic criteria required for an air stable, visible light photocatalyst, the investigators plan to carry out experiments in which they will transfer freshly grown Fe2CrO4 surfaces to a photoelectrochemical cell under a dry nitrogen atmosphere to avoid picking up surface carbon contamination.
Iron makes for a stronger magnet, so the bacteria are very selective when they form their magnetite compasses.
«They are looking for a single event that can account for all the magnetite,» Thomas - Keprta says.
So - called magnetotactic bacteria create a chain of magnetite grains to help orient themselves in their search for nutrients.
This discovery not only shows the profound effects of pressure on magnetism, it also discloses, for the first time, that pressure induced a spin - pairing transition in magnetite that results in changes in the electron mobility and structure.
The magnetite - mediated mechanism seems to act as part of a magnetic map - or signpost sense, which could provide the animal with information about its geographic position, whereas the vision - mediated magnetic sense seems to be a pure compass sense that is based on radical - pair processes in the birds» eye (s)[for reviews], [see e.g. 8, 9].
Other design details bolster the luxury - class appearance for the 2018 Legacy, including new high - contrast wheel designs and two rich new exterior colors, Magnetite Gray Metallic and Crimson Red Pearl.
As far as paint and wheel options go, we'd go for Magnetite Black Metallic (shown above) and the $ 500 black AMG wheels to complete the sleek look.
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