Bé Chuma
A Dictionary of Celtic Mythology
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2004
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© A Dictionary of Celtic Mythology 2004, originally published by Oxford University Press 2004. (Hide copyright information)
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Bé Chuma, Bé Cuma, Bécuma [Ir., woman of grief, sorrow]. Known as Bé Chuma of the Fair Skin in
Echtrae Airt meic Cuinn [The Adventure of Art son of Conn]. Initially a wife of
Eógan Inbir in the
Otherworld, she is banished to the land of men for her sin with
Gaidiar son of
Manannán mac Lir. Once she is among mortals,
Conn takes her as a wife, but she lusts after his son
Art. When the druids complain that her wickedness has brought a curse upon the country, she has Art exiled as a remedy. When Art returns from a subsequent adventure with his new wife,
Delbcháem, Bé Chuma is forced to depart from Tara.
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Leaching kinetics and mechanisms of surface reactions during cyanidation of gold in the presence of pyrite or stibnite
Magazine article from: Minerals & Metallurgical Processing; 5/1/2005; ; 700+ words
; ...effects of pyrite and stibnite on gold leaching kinetics. Means to reduce the effect...ppm, significantly affected the gold leaching kinetics through forming a passivating...gold. Key words: Cyanidation, Gold leaching, Leaching kinetics, Pyrite, Stibnite...
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Leaching results of reactive materials.
Magazine article from: Construction and Building Materials; 4/1/2008; ; 700+ words
; Abstract Leaching results are used in the assessment of...steelmaking slags has a direct influence on the leaching of all elements enclosed in the matrix...diffusion or dissolution was the controlling leaching mechanisms for each slag type. Both...
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Vat leaching: An overlooked process
Magazine article from: Engineering and Mining Journal; 12/1/1999; ; 700+ words
; ...sandleaching to recover precious metals. VAT LEACHING The words "vat leaching" are hardly in metallurgists' vocabulary these days, This was not the case in 1888, when cyanide leaching for gold exploded on the scene. In the ensuing...
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Investigation on the leaching of pyrite in a germ-free system
Magazine article from: Minerals & Metallurgical Processing; 5/1/2007; ; 700+ words
; ...Abstract This paper reports on research on leaching pyrite in a germ-free system. The...and various oxidation agents on pyrite leaching were studied. The results indicated...mineral particle size leads to a higher leaching rate of pyrite. The optimum results...
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Principles for managing nitrogen leaching.
Magazine article from: Journal of Soil and Water Conservation; 11/1/2002; ; 700+ words
; Controlling nitrogen (N) leaching presents a major challenge for nutrient...of individual fields. However, leaching is only one of several outputs from...of N that is highly susceptible to leaching. However, if the soil is saturated...
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Phosphorus and potassium leaching under contrasting residential landscape models established on a sandy soil.(Turfgrass Science)
Magazine article from: Crop Science; 3/1/2005; ; 700+ words
; ...conditions can be conducive to rapid leaching of applied fertilizer nutrients (e...al., 1999; Sinaj et al., 2002). Leaching of applied fertilizer elements poses...Florida are relatively favorable for leaching of applied fertilizers, landscape vegetation...
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The potential for leaching of agrichemicals used in crop production: a national perspective.
Magazine article from: Journal of Soil and Water Conservation; 5/1/1994; ; 700+ words
; ...Monitoring data also indicate that leaching of chemicals into the ground water...study and program implementation, leaching vulnerability indexes for pesticides...nitrates were developed. Estimating leaching potential nationally The natural...
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Leaching of CCA from lumber exposed to natural rain aboveground.
Magazine article from: Forest Products Journal; 9/1/2003; ; 700+ words
; ...continuously monitored chromated copper arsenate (CCA) leaching from aboveground, naturally exposed 38-mm by...treatments, were evaluated for their effects on leaching rates. Component leaching ranged from 7.3 to 20.5 [micro]g/[cm...
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Medium-temperature pressure leaching of copper concentrates - Part I: Chemistry and initial process development
Magazine article from: Minerals & Metallurgical Processing; 11/1/2007; ; 700+ words
; ...temperature (150 to 165C) pressure leaching processes. Specific configurations of...chemistry of medium-temperature pressure leaching of copper concentrates and reports on...development of medium-temperature pressure leaching and direct electrowinning technology...
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Production of tungsten via leaching of scheelite with sulfuric acid
Magazine article from: Minerals & Metallurgical Processing; 5/1/2006; ; 700+ words
; Abstract A new process for leaching scheelite ore consists of leaching low- and high-grade concentrates with H^sub 2...945;-W. Key words: Tungsten, Scheelite, Leaching Introduction There are four commercially used tungsten...
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Leaching
Book article from: World of Earth Science
Leaching Leaching usually refers to the movement of dissolved substances with water percolating through soil . Sometimes, leaching may also refer to the movement of soluble chemicals out of biological...
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leaching
Book article from: The Columbia Encyclopedia, Sixth Edition
leaching method of extraction in which a solvent is passed through a mixture to remove...example is the removal of sugar from sugar beets using water as the solvent. Leaching is also used to remove metals from their ores. In one procedure certain...
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Toxic Pollutants, Measuring
Book article from: Mathematics
...in water, cyanide (a deadly poison) leaching from landfills into water supplies...substances, is the Toxicity Characteristic Leaching Procedure (TCLP). This procedure and...Procedures (EP), are based on how a leaching pollutant may decompose and distribute...
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soil development
Book article from: The Oxford Companion to the Earth
...water, throughflow, deep percolation, leaching, and the uptake of water and nutrients by roots. Leaching is the downward movement of water through...Decalcification (Fig. 1a) is the result of the leaching of calcium, but the process may be balanced...
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Soil
Book article from: Science of Everyday Things
...molten rock of Earth's surface, a process of leaching began. Leaching is the removal of soil particles that have become...supplied the falling rain, with its vital activity of leaching minerals from the rocks, the minerals themselves...
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