Results 51 to 60 of about 17,951 (263)

Investigation on the Compressive Behavior of Waste Rock Backfill Materials with Different Specimen Sizes for Roof Control

open access: yesApplied Sciences
Waste rock backfilled into a goaf can function as the main load-bearing carrier to support the overlying strata, so the compressive behavior of backfill materials plays a critical role in the effectiveness of strata control.
Meng Li   +4 more
doaj   +1 more source

CHARACTERIZATION OF WASTE ROCK FROM THE PHOSPHATE MINING FIELD OF BLED EL HADBA, ALGERIA IN AN ENVIRONMENTAL CONTEXT

open access: yesFood and Environment Safety, 2022
In the world the demand and consumption of raw materials and minerals is sharply increasing, which has encouraged countries around the world to intensify the mining of different materials and ores such as phosphate. In Algeria, while phosphates are one
Chafia MERAH
doaj  

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang   +3 more
wiley   +1 more source

Caracterização e classificação quanto ao risco ambiental do estéril da mina de cromita do município de Andorinha, Bahia

open access: yesQuímica Nova, 2012
The mineral waste studied was host rock from a chromite mine located in Andorinha/Bahia, extracted and stockpiled in yards without specific application.
Aline Maria dos Santos Teixeira   +3 more
doaj   +1 more source

Current Application Status of Photoelectric Pre-discarded Technology in Waste Rock Recovery Process

open access: yesKuangchan zonghe liyong
Our country boasts abundant mineral resources, but they are of a low grade, with a fine distribution and complex composition. With the increase of the consumption of mineral resources, the amount of waste rock generated is also increasing.
Zhiming LU   +3 more
doaj   +1 more source

The Influence of Co-Stacking Waste Rock and Tailings on the Saturation Line of Tailings Dams

open access: yesEng
The large-scale development of mineral resources has led to a sharp increase in the amount of tailings and waste rock accumulated in tailings ponds and waste disposal sites, forming a large number of high-risk tailings dams and high-pile waste disposal ...
Taixu Sun   +3 more
doaj   +1 more source

Synergistic Effect on Enhanced Oil Recovery in High Salinity Carbonate Reservoirs Using a Novel PEI‐Functionalized Carbon Nanotube Nanocomposite

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Enhancing oil recovery (EOR) in mature reservoirs is hindered by high interfacial tension (IFT) and oil‐wet rock formations, especially under harsh, high‐salinity conditions. This study aims to overcome these limitations by synthesizing a novel carbon nanotube nanocomposite covalently grafted with polyethylenimine and non‐covalently ...
Mohamed Abu Shuheil   +8 more
wiley   +1 more source

First Record of Tasmanian Devils in the Pilbara: Late Quaternary Subfossils From Juukan Gorge, Puutu Kunti Kurrama Country, and Insights Into Human—Faunal Relationships and Extinction

open access: yesArchaeology in Oceania, EarlyView.
ABSTRACT This study presents the first unequivocal evidence for the presence of Tasmanian devils (Sarcophilus harrisii) in the Pilbara region of northwestern Australia, based on material recovered from archaeological excavations at Juukan Gorge on Puutu Kunti Kurrama and Pinikura country.
Timothy J. Churchill   +5 more
wiley   +1 more source

Affective dimensions in the information behavior of forcibly displaced people: A literature review. An Annual Review of Information Science and Technology (ARIST) paper

open access: yesJournal of the Association for Information Science and Technology, EarlyView.
Abstract This review analyzed 241 scholarly articles published between 2010 and 2025 in information science venues to examine how affect shapes refugees' information behavior during forced migration and to identify additional contextual factors. It identifies seven affective dimensions: anxiety, shame and stigma, grief and loss, frustration, (mis)trust,
Maja Krtalić, Lilach Alon
wiley   +1 more source

What is a curriculum for life? Using youth participatory action research and applied arts to understand and amplify undergraduate students', children's and young people's mental health and wellbeing recommendations for education

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Mental health is a critical issue globally, with young people being one of the most affected groups. Young people have campaigned vehemently for a ‘curriculum for life,’ arguing that their education is failing to meet their needs (British Council, 2022).
Lisa Stephenson, Helen Young
wiley   +1 more source

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