与 «PYROLUSITE»相关的英语书籍
在以下的参考文献中发现
pyrolusite的用法。与
pyrolusite相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Occurrence of Manganese in Drinking Water and Manganese Control
Pyrolusite Manganese and iron can also be removed from solution by adsorption
on a packed bed of granular pyrolusite (McGhee 1991). Pyrolusite is the mineral
form of MnO2(s). It is mined in the United States, Australia, Brazil, and South ...
2
Colloquium on Geology, Mineralogy, and Human Welfare
In some cases, chemical analyses with bulk oxidation state measurements
unambiguously indicate the correct Mn valence state, e.g., pyrolusite [Mn(IV)O2J
or manganosite [Mn(II)O]. For other minerals, detailed crystal structure studies
were ...
3
Field Guide to Rocks & Minerals of Southern Africa
PYROLUSITE Composition: oxide Crystal system: tetragonal Hardness: 2-6.5
Specific gravity: 5.06 Streak: black Lustre: metallic, dull Named from the Greek '
pyros' meaning 'fire' and 'louxo' meaning 'to wash', a reference to the use of this ...
PYROLUSITE This stone has an attractive and dramatic name, from the Greek
words (ryr (fire) and lousis (washing). The ancients must have thought pyrolusite
looked as if it had been washed by fire. Pyrolusite is the thin, fan-shaped ...
5
New Trends in Intercalation Compounds for Energy Storage and ...
1/ Distribution of nitrogen reactive sites The polyhedral representation of the
close-packed structure of pyrolusite and ramsdellite (Figure 1 in (3)), taking
account of the crystallographic parameters and the atoms sizes, leads to consider
the ...
Karim Zaghib, C. M. Julien, J. Prakash, 2003
6
Battery/Energy Technology (General)
Upon heating γ-MnO2, the phase composition changes as the ramsdellite phase
converts to pyrolusite. These phase-changed materials have large unit cells that
produce X-ray diffraction patterns with broad lines that can be difficult to interpret
...
7
Dana's Minerals and How to Study Them (After Edward ...
At Cornwall the veins closest to the granite carry cassiterite, wolframite, and pyrite
. Farther away from the intrusion the cassiterite gives way to chalcopyrite. and still
farther away, galena is the principal ore mineral. Pyrolusite, Mn02 Pyrolusite is ...
Cornelius S. Hurlbut, W. Edwin Sharp, 1998
8
The Ore Minerals Under the Microscope: An Optical Guide
Pyrolusite* (Calvonigrit, Wad) Descriptions A Euhedral pyrolusite (cream, typical
contraction cracks) and todorokite (grey fibres) in carbonate (dark); Smartt Mine,
Hotazel, South Africa [c]; Nic. // B Pyrolusite (pleochroitic, cream), todorokite ...
9
A Field Guide to Rocks and Minerals
Tests: Same as for pyrolusite (p. 152). Distinguishing characteristics: Crystals
resemble some entirely different minerals, such as enargite and some black
silicates, but can be distinguished from these by the blowpipe reactions solubility,
dark ...
Frederick H. Pough, Roger Tory Peterson, 1996
10
New Trends in Intercalation Compounds for Energy Storage
RS features exhibit variations in band position and intensity which cannot be
reproduced by addition of various proportions of pyrolusite and ramsdellite
spectra. All the Raman features are shifted toward the high-frequency side as the
...
Christian Julien, J.P. Pereira-Ramos, A. Momchilov, 2002
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10 Top Manganese-producing Countries
The most common source of manganese is pyrolusite, which releases manganese when heated. Today, 90 percent of manganese is used to create steel. «TheStreet.com, 六月 15»
Forsys Provides Norasa Uranium Project Feasibility Study Update
The testwork identified that considerable benefit could be achieved by the use of hydrogen peroxide as leach oxidant instead of pyrolusite. Not only did the tests ... «Marketwired, 十一月 14»
$150000 "Black Beauty" Manganite specimen to be auctioned
Single crystals run riot over the upper surface of a massive Manganite/Pyrolusite matrix, with thin layers of the original wall rock visible on the absolute bottom of ... «Boing Boing, 四月 14»
Tank failure investigations continue
During this process, ore slurry is pumped into several leaching tanks into where sulfuric acid and pyrolusite (a manganese-based oxidant) are added to dissolve ... «World Nuclear News, 十二月 13»
Slurry spill at Ranger
During this process, ore slurry is pumped into several leaching tanks into where sulfuric acid and pyrolusite (a manganese-based oxidant) are added to dissolve ... «World Nuclear News, 十二月 13»
Le manganèse dans les vins, origine et teneurs
Le manganèse (Mn) est présent dans les sols, principalement sous forme d'oxydes, MnO2 (pyrolusite) et MnO(OH) (manganite), mais aussi de carbonates ... «Revue des Oenologues, 十月 13»
金属资源股票，金属资源概念股有哪些？
｛pyrolusite （MnO2）},和硬锰矿红星发展、金瑞科技、. { psilomelane [（BaH2O）2Mn5O10]} 中天城投. 以及菱锰矿{ rhodochrosite. （MnCO3）}。 铼主要存在于辉钼矿中 ... «股城网, 九月 13»
Manganese Iron Oxide (MnFe2O4) Nanoparticles - Properties …
Manganese is found in braunite, psilomelane, pyrolusite, and rhodochrosite, while iron is found in the minerals hematite and magnetite. Manganese iron oxide ... «AZoNano.com, 七月 13»
Facts About Manganese
Manganese dioxide (pyrolusite) and manganese carbonate (rhodochrosite) ... Pyrolusite (manganese dioxide) is one of the most common manganese minerals. «LiveScience.com, 五月 13»
Journal Highlight: The first in situ micro-Raman spectroscopic …
These results show that the black manganese oxides romanechite and pyrolusite were used as pigments by prehistorical artists. Carbon and carotenoids have ... «spectroscopyNOW.com, 十一月 12»
