Results 61 to 70 of about 45,354 (192)

A mineral reconnaissance survey of the Abington-Biggar-Moffat-area, south-central Scotland [PDF]

open access: yes, 1979
Panned heavy mineral concentrates, mostly obtained from stream sediments, were collected from 195 sites in the Abington-Biggar-Moffat area. The project area, which lies immediately east of the formerly important mining district of Wanlockhead ...
Dawson, J., Floyd, J.D., Phillip, P.R.
core  

Research on Process Mineralogy of a Refractory Lead-zinc Ore in Chengde, Hebei and Analysis of Factors Affecting Flotation

open access: yesKuangchan zonghe liyong
Based on fluorescence spectrum analysis and chemical multi-element analysis, through the process mineralogy study of a refractory lead-zinc mine in Hebei, the mineral composition, structure, main mineral embedding characteristics of the ore and the ...
Guanglin QIN
doaj   +1 more source

Floatation separation of galena, sphalerite, and pyrrhotite by combined depressant CCSL

open access: yes工程科学学报, 2017
The flotation separation of galena, sphalerite, and pyrrhotite was investigated with CCSL as a depressant. Flotation test results show that galena and sphalerite can float but pyrrhotite can barely float with CCSL as a depressant.
BAI An-ping, SONG Yong-sheng, ZHOU He
doaj   +1 more source

Economic Feasibility of North Slope Propane Production and Distribution to Select Alaska Communities [PDF]

open access: yes, 2010
Could propane from Alaska’s North Slope reduce energy costs for electric utilities and residential space heating, water heating, and cooking demands? We explored the hypothesis that propane is a viable alternative for fourteen selected communities along ...
Fay, Ginny, Schwörer, Tobias
core  

Effective Lower Bounding Techniques for Pseudo-Boolean Optimization

open access: yes, 2005
Linear Pseudo-Boolean Optimization (PBO) is a widely used modeling framework in Electronic Design Automation (EDA). Due to significant advances in Boolean Satisfiability (SAT), new algorithms for PBO have emerged, which are effective on highly ...
Manquinho, V., Marques-Silva, J. P.
core   +2 more sources

Organic Hop Variety Trial: Results from Year Five [PDF]

open access: yes, 2015
Hops production continues to increase throughout the the Northeast. While hops were historically grown in the Northeast, they have not been commercially produced in this region for over a hundred years.
Calderwood, Lily   +7 more
core   +1 more source

Mineragrafi Mineralisasi Galena (Pbs) Daerah Tabone Desa Pasiang Kec. Matakali Kab. Polewali Mandar Provinsi Sulawesi Barat [PDF]

open access: yes, 2015
Galena (PbS) merupakan mineral logam tahan terhadap korosi atau karat. Mineralisasi galena terdiri dari batuan sedimen terubah Formasi Latimojong (Kapur Atas), batuan gunungapi Walimbong (Miosen Akhir – Pliosen), batuan terobosan granit (Miosen Akhir ...
Hanismah, A. (Arma)
core  

Mineralogical, textural, structural and geochemical aspects of Nakhlak lead mine, Isfahan

open access: yesJournal of Economic Geology, 2011
Nakhlak lead mine is located at the Nakhlak mountain 55 km NE of Anarak town in Isfahan province. The mineralogy is simple; galena and barite are the main primary minerals and cerussite is the main secondary mineral.
Mohammad Ali Jazi, Jamshid Shahabpour
doaj   +1 more source

Bedrock geology of Carroll County, Illinois [PDF]

open access: yes, 1997
Ope
McGarry, Christopher S.
core  

A short historical overview on the use of lead [PDF]

open access: yes, 2018
This historical introduction to the use of lead in art and technology was originally written to give context to lead conservation studies by the authors.
Adriaens, Mieke   +2 more
core   +1 more source

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