Results 61 to 70 of about 435 (111)

Investigation on the oxygen transport mechanisms in the Sarcheshmeh waste rock dumps

open access: yesJournal of Economic Geology, 2015
Introduction Pyrite oxidation and acid mine drainage (AMD) are the serious environmental problems associated with the mining activities in sulphide ores. The rate of pyrite oxidation is governed by the availability of oxygen (Borden, 2003).
Saeed Yousefi   +4 more
doaj  

Clinical Factors Associated with Sperm DNA Fragmentation in Male Patients with Infertility [PDF]

open access: yes, 2014
Objective. The clinical factors associated with sperm DNA fragmentation (SDF) were investigated in male patients with infertility. Materials and Methods. Fifty-four ejaculates from infertile Japanese males were used. Thirty-three and twenty-one were from
Akihiko Watanabe   +4 more
core   +3 more sources

Extracellular Synthesis of Silver Nanoparticles by Ralstonia sp. SM8 Isolated from the Sarcheshmeh Copper Mine

open access: yesBiological Journal of Microorganism, 2014
Introduction: The biological synthesis of nanoparticles has gained enormous importance due to the development of clean and environmentally-friendly processes.
Morahem Ashengroph
doaj  

Late Barremian-Early Aptian Ammonites from the Tirgan Formation, Kopet-Dagh Sedimentary Basin, NE Iran [PDF]

open access: yes, 2019
During the recent field research on the Tirgan Formation in the west of Kopet-Dagh sedimentary basin, ammonite assemblages were obtained from the carbonate strata of this formation. This new finding is important for stratigraphical purpose.
Masoumeh Molaei   +3 more
core   +1 more source

Petrography, Geochemistry and Proposed Genesis of Ordovician Oolitic Iron Formation Members of the Lashkarak Formation, Eastern Alborz

open access: yesJournal of Economic Geology, 2016
Introduction Oolitic iron formations are sedimentary rocks with >5 vol.% oolites and >15 wt.% iron, corresponding to 21.4 wt.% Fe2O3 (Young, 1989; Petranek and Van Houten, 1997; Mucke and Farshad, 2005).
Mansoore Maghsoudloo Mahalli   +1 more
doaj  

The State, Entrepreneur, and Labour in the Establishment of the Iranian Copper Mining Industry: The Sarcheshmeh Copper Mine 1966-1979 [PDF]

open access: yes, 2019
The Sarcheshmeh Copper Mine was the world’s second largest open pit copper deposit in the 1970s. Currently, it is the largest in the Middle East and retains its place as one of the biggest copper processing complexes in the world.
Alamdar Baghini, A.
core   +1 more source

Physico-chemical characteristics and heavy metal concentrations of copper mine wastes in Zambia: implications for pollution risk and restoration [PDF]

open access: yes, 2020
Soil characterization is a vital activity to develop appropriate and effective restoration protocols for mine wastelands while insights into the total content of heavy metals in the soil is an important step in estimating the hazards that the metals may ...
Chileshe, Mutale N.   +5 more
core  

Heap leaching technology – current state, innovations and future directions: A review [PDF]

open access: yes, 2015
Copyright © 2015 Taylor & Francis. This is an Accepted Manuscript of an article published by Taylor & Francis in Mineral Processing and Extractive Metallurgy Review on 20 November 2015, available online: http://www.tandfonline.com/10.1080/08827508.2015 ...
Franzidis, Jean-Paul   +2 more
core   +1 more source

CAMPANIAN CALCAREOUS NANNOFOSSIL BIOSTRATIGRAPHY OF EASTERN KOPPEH-DAGH BASIN (NORTH EAST OF IRAN), TETHYAN REALM [PDF]

open access: yes, 2016
Tethyan calcareous nannofossil assemblages have been recorded from three sections of the Abtalkh Formation including the type section at Abtalkh village and two others (Padeha and Jalilabad) in the east Koppeh-Dagh Basin, north east of Iran.
FOROUGHI, FARIBA   +2 more
core   +3 more sources

Prolonged semen incubation alters the biological characteristics of human spermatozoa. [PDF]

open access: yesClin Exp Reprod Med, 2022
Beigi SAD   +5 more
europepmc   +1 more source

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