Results 31 to 40 of about 176,284 (364)

Preparation of Reflective Thermal Insulation Coating with Molybdenum Tailings as Filler

open access: yesKuangchan zonghe liyong
This is an article in the field of mineral materials. The accumulation of molybdenum tailings has caused many environmental problems, and there is an urgent need for comprehensive utilization.
Jiantao LI   +4 more
doaj   +1 more source

Study on the Effect of Flocculation and Sedimentation on the Mechanical Properties of Iron Tailing Sand

open access: yesAdvances in Civil Engineering, 2022
Tailings sand is the dam-building material of the tailings dam accumulation sub-dam, and its mechanical properties directly affect the safety and stability of the whole tailings dam. With the improvement of mineral sorting technology, the content of fine
Yuping Xu   +3 more
doaj   +1 more source

Contrastive analysis of dynamic response of tailings dam with and without geofabriform by shaking table model test [PDF]

open access: yesE3S Web of Conferences, 2020
Construction using geofabriform is a new promising technology to build fine grain tailings dam. Large-scale shaking table tests are conducted in this study to investigate the dynamic performances in terms of horizontal acceleration and displacement of ...
Li Qiaoyan   +3 more
doaj   +1 more source

Optimization of parameters for the dissolution of Mn from manganese nodules with the use of tailings in an acid medium [PDF]

open access: yes, 2019
Manganese nodules are an attractive source of base metals and critical and rare elements and are required to meet a high demand of today’s industry. In previous studies, it has been shown that high concentrations of reducing agent (Fe) in the system are ...
Castillo Segura, Jonathan Alejandro   +6 more
core   +1 more source

Vanadium Extraction from a Vanadium-bearing Stone Coal in Shanyang

open access: yesKuangchan zonghe liyong
In this article, vanadium is extracted from a vanadium-bearing stone coal in Shanyang by the process of melt-roasting-water leaching. The experimental roasting and leaching conditions were optimized, including sodium peroxide dosage, roasting time ...
Yimeng WANG, Na LI, Xueer HE, Huiyun LEI
doaj   +1 more source

Seepage field characteristic and stability analysis of tailings dam under action of chemical solution

open access: yesScientific Reports, 2021
As one of the important influencing factors of tailings dam stability, seepage field distribution within the dam is often affected by the tailings mineral characteristics.
Guangjin Wang   +5 more
doaj   +1 more source

Development of an analytical model for the extraction of manganese from marine nodules [PDF]

open access: yes, 2019
Multivariable analytical models provide a descriptive (albeit approximate) mathematical relationship between a set of independent variables and one or more dependent variables.
Castillo Segura, Jonathan Alejandro   +5 more
core   +2 more sources

Probing atomic-scale interactions of Kr and Xe encapsulation in C60

open access: yesResults in Chemistry
The encapsulation of rare gases within carbon cages like C60 holds significant importance in molecular engineering, particularly for nuclear waste treatment and gas separation technologies.
Zeng-Bo Ke   +5 more
doaj   +1 more source

Tail Mutual Exclusivity and Tail-VaR Lower Bounds [PDF]

open access: yesSSRN Electronic Journal, 2015
In this paper, we extend the concept of mutual exclusivity proposed by Dhaene and Denuit (1999) to its tail counterpart and baptise this new dependency structure as tail mutual exclusivity. Probability levels are first specified for each component of the random vector.
Cheung, Ka Chun   +2 more
openaire   +6 more sources

Effect of weathering product assemblages on Pb bioaccessibility in mine waste: implications for risk management [PDF]

open access: yes, 2013
General assessments of orebody types and associated mine wastes with regards to their environmental signature and human health hazards are needed to help managing present and historical mine waste facilities.
Cave, Mark R.   +3 more
core   +2 more sources

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