Results 71 to 80 of about 56,332 (307)

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

Raman Analysis of Roman Mosaics From the Upper Guadalquivir Valley (Spain)

open access: yesJournal of Raman Spectroscopy, Volume 56, Issue 11, Page 1279-1289, November 2025.
This work is focused on the Raman analysis of two Roman mosaics from Jaén (Spain) using portable and benchtop equipment, complemented by elemental analysis using EDXRF and petrographic analysis. The results obtained have provided a detailed characterisation of the tesserae.
A. Sánchez   +7 more
wiley   +1 more source

Adaptación de una cepa compatible con Acidithiobacillus ferrooxidans sobre concentrados de calcopirita (CuFeS2), esfalerita (ZnS) y galena (PbS)

open access: yesRevista Colombiana de Biotecnología, 2011
Adaptation of a strain Acidithiobacillus ferrooxidans compatible on concentrates of chalcopyrite (CuFeS2), sphalerite (ZnS) and galena (PbS) RESUMEN En este estudio se evaluó la adaptación de una cepa compatible con Acidithiobacillus ferrooxidans a ...
E Mejía   +4 more
doaj   +2 more sources

Crustal Architecture and Low‐Temperature Geochronology of an Apparent Cycladic Tectonic Window (NE Attica, Greece): Insights Into Imbrication in Subduction Settings

open access: yesTectonics, Volume 44, Issue 11, November 2025.
Abstract Understanding the timing and configuration of tectonic nappes in collapsed orogens is integral to reconstructing its geodynamic evolution. Northeastern Attica lies between bivergent Miocene detachment systems and has historically been interpreted as a tectonic window exposing the lowest nappe of the Hellenides, the Basal Unit.
C. Bakowsky   +4 more
wiley   +1 more source

Mineralogy of the sulfate-sulfide mineralizations at the Garus District; NW of Iran Mineralogía de las mineralizaciones sulfato-sulfurosas del Distrito Garus, NW de Irán

open access: yesMinería y Geología, 2011
There are some vein type sediment hosted sulfate-sulfide mineralizations in Garus district, NW of Iran. They occur in a (shale) host rock of Precambrian age and they show evidence of some deformation.
Bahram Vusuq   +2 more
doaj  

The Effect of Time, Frother and Collector Concentration on the Purification of Ruwai Galena Ore via Agitated Froth Flotation: A Comparative Study with Column Flotation

open access: yesJournal of Applied Science and Engineering
Ruwai galena ore contains a high amount of lead (Pb) and a higher silver (Ag) content than similar ores. It indicates that Ruwai galena ore has excellent potential to be utilized as a prospective source of Ag .
Kevin Cleary Wanta   +6 more
doaj   +1 more source

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  

Efficacy of Aspirin Therapy After Desensitization on Chronic Rhinosinusitis With Nasal Polyps Patients With Asthma and Non‐steroidal Anti‐inflammatory Drug Exacerbated Respiratory Disease —A Randomized Clinical Trial

open access: yesAllergy, Volume 80, Issue 11, Page 3151-3164, November 2025.
This randomized double‐blind clinical trial investigated the impact of aspirin therapy after desensitization in patients with CRSwNP, asthma, and N‐ERD. Various clinical outcomes were assessed, including health‐related quality of life (with the SNOT‐22 questionnaire) and the severity of nasal polyposis (with the NPS).
Alma Helevä   +9 more
wiley   +1 more source

Copper mineral occurrences in the Wrangell Mountains-Prince William Sound area, Alaska [PDF]

open access: yes, 1971
On January 9, 1970, the U.S. Bureau of Mines entered into an agreement with the University of Alaska based upon a proposal submitted by the Mineral Industry Research Laboratory.
Grybeck, D.G., Heiner, L.E., Wolff, E.N.
core  

Antifungal Activity, Cytocompatibility, and Wound Healing Potential of Novel Mucoadhesive Formulations for Oral Drug Delivery

open access: yesJournal of Biomedical Materials Research Part A, Volume 113, Issue 10, October 2025.
ABSTRACT Conventional treatments for oral candidiasis often fail due to the complexities of the oral environment and the increasing antifungal drug resistance. Therefore, there is a growing demand for new therapies that optimize drug bioavailability, allowing for lower therapeutic doses while enhancing cytocompatibility, maintaining antifungal, anti ...
Carolina Yoshi Campos Sugio   +6 more
wiley   +1 more source

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