Results 71 to 80 of about 38,254 (221)

Geochemical analysis of brine samples for exploration of Borate deposits in the South of Sabzevar

open access: yesJournal of Economic Geology, 2016
Introduction Mohammad-abad Oryan is the only potential source of borate in the North-east of Iran located in 50 km South of Sabzevar. The area is located in tuff marl, tuffaceous marl, volcanic braccia and tuff braccia structures.
Mahdi Bemani   +2 more
doaj  

Beneficiation of concentrated ultrafine suspensions with a Falcon UF concentrator [PDF]

open access: yes, 2011
Falcon concentrators are enhanced gravity separators designed for concentrating fine particles. The Falcon UF model is unique in that it is dedicated to beneficiation of ultrafines, one key feature being that it does not make use of any fluidization ...
Bourgeois, Florent   +2 more
core  

Notable Impact of Paleotectonic Stress on Gold Mineralisation in the West Qinling Orogen

open access: yesGeological Journal, EarlyView.
By applying fuzzy clustering and multiple inverse methods, we systematically processed the data of vein and fault slip in this ore deposit to reveal the transition of orogenic geological environment and paleotectonic stress field. Our research results show two different stress states: the northwest–southeast extensional stress field and the northeast ...
Hongyan Wang   +3 more
wiley   +1 more source

Oxidation characteristics of porous Ni-12 wt%Cr alloy at 1000 °C in air

open access: yesAin Shams Engineering Journal, 2018
The oxidation kinetics of porous Ni-12 wt%Cr alloy with 23.7% porosity was investigated for 100 h at 1000 °C in air. The phases forming the oxide scale were determined by using X-ray diffractometry.
Lamiaa Z. Mohamed   +5 more
doaj   +1 more source

DEVELOPMENT OF TECHNICAL SOLUTIONS AIMED AT IMPROVING TECHNOLOGICAL CAPABILITIES, DESIGN CHARACTERISTICS AND INCREASING THE SERVICE LIFE OF BRIQUETTE PRESSES [PDF]

open access: yes, 2018
Development of technical solutions for manufacturing and further use advanced roller press having advanced technological capabilities and increased resource ...
BAIUL, Konstantin   +4 more
core  

The Influence of the effect of solute on the thermodynamic driving force on grain refinement of Al alloys [PDF]

open access: yes, 2014
Grain refinement is known to be strongly affected by the solute in cast alloys. Addition of some solute can reduce grain size considerably while others have a limited effect.
A. Cibula   +61 more
core   +2 more sources

Skeletal Trauma and Social Dynamics in Medieval Silves (Southern Portugal): Islamic Versus Christian Populations

open access: yesInternational Journal of Osteoarchaeology, EarlyView.
ABSTRACT Skeletal trauma provides insight into both accidental injury and interpersonal violence, reflecting everyday risk and social dynamics. This study tests the hypothesis that trauma, particularly among males, was more prevalent in the Islamic population of Silves (9th–13th centuries) than in the subsequent Christian rule (13th century onwards ...
Ana González‐Ruiz   +2 more
wiley   +1 more source

Geochemical assessment of the Pabdeh Formation from the perspective of conventional and unconventional hydrocarbon resources, southwest of Iran [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches
:Organic matter is abundant in the shales and marls of the Pabdeh Formation in the southwestern Iran . They can be considered as a conventional or unconventional petroleum system in the region.
Ehsan Hosseiny   +2 more
doaj   +1 more source

Special Libraries, December 1961 [PDF]

open access: yes, 1960
Volume 52, Issue 10https://scholarworks.sjsu.edu/sla_sl_1961/1009/thumbnail ...
Special Libraries Association
core   +3 more sources

Sustainability and Corporate Performance in the Global South: The Influence of the Environmental Pillar and Institutional Quality

open access: yesSustainable Development, EarlyView.
ABSTRACT Corporate sustainability in the Global South unfolds under heterogeneous institutional conditions, where firms face simultaneous pressures from global ESG standards and local governance constraints. This study examines the relationship between ESG‐aligned environmental practices and corporate financial performance, considering the moderating ...
Paulo Sérgio Reinert   +3 more
wiley   +1 more source

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