Results 21 to 30 of about 40,715 (248)

Preparation of Reflective Thermal Insulation Coating with Molybdenum Tailings as Filler

Kuangchan 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, Bingzheng HAN, Chengfang QIAO, Jiale LI, Wang WANG   +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

Ecotoxicology 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, Xinyi Jiang, Bing Li, Yingbo Dong, Ling Qian   +4 more
doaj   +1 more source

New Directions for Tailings Management

, 2023
The global mining industry anticipates that societal demands will drive increased annual production rates, and the world-wide concern for the potential consequences from conventional tailings dam failure will drive increased scrutiny.
Nelson, Priscilla P.
core   +1 more source

Effect of air permeability at the bottom on rainfall infiltration

Frontiers in Built Environment
In geotechnical engineering, the permeability of air through soil has been recognized as a factor influencing the dynamics of subsurface water pressure, thereby playing a role in determining the stress levels experienced by the soil.
Wenjing Tian, Xuexin Zheng, Herman Peiffer, Jian Cen, Benny Malengier, Wei Zheng, Huibin Song, Yutian Zuo   +7 more
doaj   +1 more source

Experimental study on sedimentary behavior and basic physical mechanical properties of fine iron tailings

Yantu gongcheng xuebao, 2020
The process of deposition and consolidation of fragmented multiphase materials is the basis and prerequisite for studying their strength and deformation.
GUO Xiao-xia 1, 2, CHEN Zhi-xiang 1, 2, SHAO Long-tan 1, 2, TIAN Xiao-jian 1, 2
doaj   +1 more source

Remediation of grassland subsidence and reduction of land occupation with tailings backfill technology: a case study of lead-zinc mine in Inner Mongolia, China

Frontiers in Environmental Science, 2023
The mining industry provides essential mineral resources for human society’s development. However, this industry generates a large quantity of waste material while rapidly extracting valuable elements from ore, such as processed tailings.
Xinzheng Chen, Xinzheng Chen, Lijie Guo, Lijie Guo, Yabo Zhou, Wenyuan Xu, Wenyuan Xu, Yue Zhao, Yue Zhao   +8 more
doaj   +1 more source

Vanadium Extraction from a Vanadium-bearing Stone Coal in Shanyang

Kuangchan 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

Influence of the Amount of Activated Gold Tailings on the Mechanical Properties and Microstructural Properties of Concrete

Kuangchan zonghe liyong, 2023
This is an essay in the field of ceramics and composites. In order to study the effect of activated gold tailings content on the mechanical properties, microstructural properties and hydration properties of concrete, the mechanical properties, XRD, TG ...
Qin Tan, Wenwei Wu, Cong Zhang
doaj   +1 more source

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan, Michael Abele, Calogero Virgone, Michaela Kuhlen, Ricardo Lopez‐Almarez, Tal Ben‐Ami, Ewa Bien, Maja Cesen, Malgorzata A. Krawczyk, Andrea Ferrari, Gianni Bisogno, Yves Reguerre, Dominik T. Schneider, Louise Galmiche, Jorg Fuchs, Sarah Braungart, Bilgehan Yalcin, Ines B. Brecht, Daniel Orbach   +18 more
wiley   +1 more source

Water flow through tailings dams [PDF]

, 1993
Water levels in tailings dams are generally lower than those of standard earth dams. Previously, other authors have shown that embankment geometry and variation in permeability can be responsible for a concave upwards steady state seepage line.
Welch, Jonathan Paul
core