Results 11 to 20 of about 8,350 (265)

Telling tails [PDF]

open access: yesProceedings of the National Academy of Sciences, 2001
The N-methyl-d-aspartate (NMDA)-type glutamate receptor is one of three major classes of receptors for glutamate, the principle excitatory neurotransmitter in the central nervous system. It plays a key role in learning and in the formation of memories by acting as a “coincidence detector” that initiates changes in synaptic strength that lead to the ...
Kennedy, Mary B., Manzerra, Pat
openaire   +3 more sources

Study on the Solution of Sand Slabbing in the Tailing Sand Bin of Huanggang Iron Ore Mine

open access: yesAdvances in Civil Engineering, 2022
In order to improve the tailings utilization rate and realize full tailings’ filling in Huanggang iron mine in Inner Mongolia, a flocculation settlement system was added, which resulted in silting and consolidation of tailings in sand silts.
Xin Zhu   +6 more
doaj   +1 more source

The Effects of Internal Erosion on the Physical and Mechanical Properties of Tailings under Heavy Rainfall Infiltration

open access: yesApplied Sciences, 2021
The stability of tailings dam will be affected by the internal erosion under unsteady seepage caused by heavy rainfall infiltration which changes the physical and mechanical properties of tailings.
Rong Gui, Guicheng He
doaj   +1 more source

Regional Distribution and Causes of Global Mine Tailings Dam Failures

open access: yesMetals, 2022
Tailings ponds are one of the three major production facilities in metal mines. The volume of tailings increases year by year, but the storage capacity of existing tailings ponds is limited.
Shui-Quan Lin   +6 more
doaj   +1 more source

Experimental Study on Permeability Coefficient in Layered Fine Tailings under Seepage Condition

open access: yesGeofluids, 2021
Nearly half of the tailings dams in China are in a state of high-security risks and overservice, and the safety of these tailings dams has always been a concern for relevant scholars.
Tao Dong   +4 more
doaj   +1 more source

Experimental Characterization of the Seismic Responses of Silt-Interlayered Stratified Sandy Tailings Slopes Using Centrifuge Shaking Table Tests

open access: yesAdvances in Materials Science and Engineering, 2022
This study aims to characterize the seismic responses of silt-interlayered stratified sandy tailings slopes. In order to achieve this, a series of model tests were carried out in an advanced centrifuge shaking table.
Zitao Zhang, Jing Hu, Xuedong Zhang
doaj   +1 more source

Fracture behaviour of concrete with different replacement rates of iron tailings sand based on double-K criterion

open access: yesFracture and Structural Integrity, 2023
The article conducts a study on the iron tailings sand concrete's fracture behaviour based on the double-K criterion. Five sets of standard three-point bending beam specimens of concrete with 0%, 25%, 50%, 75% and 100% iron tailings sand replacement ...
Yao Zhang   +3 more
doaj  

Geochemical and mineralogical characterization of mine tailings at the Rautuvaara mine site and aspects to environmental conditions and resource potential [PDF]

open access: yesBulletin of the Geological Society of Finland, 2023
Mining industry generates a significant amount of waste including waste rock and tailings. The disposal of mine tailings has environmental impacts, such as the releasing of heavy metals to surface and underground waters.
Mitro Juutinen   +2 more
doaj   +1 more source

Experimental study of reasonable mesh size of geogrid reinforced tailings

open access: yesScientific Reports, 2022
Currently, the influence of geogrid mesh size on interface characteristics are disregarded in various codes and standards. To explore the reasonable mesh size of geogrid used for reinforced tailings, the direct shear test and pull-out test of geogrid ...
Changbo Du   +4 more
doaj   +1 more source

Soilless revegetation: An efficient means of improving physicochemical properties and reshaping microbial communities of high-salty gold mine tailings

open access: yesEcotoxicology and Environmental Safety, 2021
Soilless revegetation is a cost-effective and eco-friendly method for the ecological restoration of gold mine tailings. However, due to gold mine tailings are high-salty, alkaline and low-nutrient, little research has been done on soilless revegetation ...
Hai Lin   +4 more
doaj   +1 more source

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