Results 31 to 40 of about 2,358 (208)

Contrasting Rare Earth Element Signatures Between Stromatolitic Carbonates and Lagoon Waters at Shark Bay, Western Australia: Implications for Paleo-Environmental Reconstructions of Microbial Habitats. [PDF]

Geobiology
ABSTRACT Rare earth elements and yttrium (REY) signatures in stromatolitic carbonates have emerged as powerful geochemical proxies for reconstructing paleo‐depositional environments of microbial habitats. The applicability of such a proxy relies on the assumption that REY substitutes for calcium into crystal lattices, directly reflecting the ...
Viehmann S, Zocher AL, Hohl SV, Kraemer D, Martin A, Markowska M, Weyer S.   +6 more
europepmc   +2 more sources

Characteristics of groundwater microbial communities and the correlation with the environmental factors in a decommissioned acid in-situ uranium mine

Frontiers in Microbiology, 2023
Microorganisms play an important role in the bioremediation process for the decommissioned acid in-situ leaching uranium mine. It is crucial to understand the original microbial community characteristics before the in-situ bioremediation.
Fangfang Zhu, Fangfang Zhu, Bei Zhao, Wenwen Min, Jiang Li, Jiang Li   +5 more
doaj   +1 more source

Geology of the Pitchblende Deposits of Port Radium, Great Bear Lake, N.W.T. [PDF]

, 1955
The geology of the McTavish Arm area of Great Bear Lake, Northwest Territories, Canada, is reviewed and a geologic map is presented. The geology of the Labine Point region is described in detail.
Campbell, Douglas Dean
core   +1 more source

Optimization of groundwater contamination control in decommissioned acid in-situ leach uranium mines

Nuclear Engineering and Technology
Upon decommissioned acid in-situ leaching (ISL) uranium mining sites, contaminants (e.g. U(VI), SO42−) tend to migrate downstream under natural groundwater flow, posing significant risks to groundwater quality.
Genmao Zhou, Haixiao Zuo, Yong Chang, Yun Yang, Ting Zhu, Jianmin Chu, Yinquan Ding, Jianfeng Wu, Jichun Wu   +8 more
doaj   +1 more source

Fractal characteristics of uranium‐bearing sandstone structure and their effects on acid leaching

Energy Science & Engineering, 2019
Pore structure characteristics have significant effects on the flow distribution, seepage characteristics, and reaction mechanism of the leachate as well as the uranium leaching efficiency in‐situ leaching (ISL) of uranium.
Sheng Zeng, Ni Zhang, Shuwen Zhang, Bing Sun, Kaixuan Tan, Xianzhe Duan, Xueming Du   +6 more
doaj   +1 more source

Identification of Water-rock Reaction Mechanism for Uranium In-situ Recovery Desalination Process Based on Inversion Modelling

Yuanzineng kexue jishu, 2023
For the in-situ recovery (ISR) mining of sandstone-type uranium deposits with the high total dissolved solids (TDS), the desalination process of injecting fresh water was required.
WANG Bing1,2;LUO Yue1,3,*;QIAN Jiazhong2;GAO Bai1;LIU Jinhui1,3;LI Xun1;ZHANG Yanhong1,3;CHEN Qianqian1;LI Liyao3
doaj   +1 more source

Geobiology of in situ uranium leaching

, 2013
Driven by the world’s thirst for energy, the demand for uranium is rapidly increasing. Hence, producers of uranium are struggling to keep up with demands and are exploring more cost-effective methods of extraction. Uranium is currently mined via open pit
Reith, F., Li, K., Etschmann, B., Zammit, C., Brugger, J.   +4 more
core   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

Advanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil, Sri Vaishnavi Thummalapalli, Clarissa Westover, Arunachalam Ramanathan, M. Taylor Sobzcak, Roumika Patil, Qixuan Xiang, Tiantian Li, Sui Yang, Timothy E. Long, Hongyue Sun, Xianqiao Wang, Yang Liu, Kenan Song   +13 more
wiley   +1 more source

The morphological affinities of the fossil cranium from Kabua, Kenya Affinités morphologiques du crâne fossile de Kabua (Kenya)

Journal of the Royal Anthropological Institute, EarlyView.
Our current understanding of the origins of Homo sapiens is limited, in part, by the fragmented fossil record from Late Pleistocene and early Holocene Africa. Here, we re‐examine the Kabua 1 cranium, an enigmatic and little‐studied Kenyan fossil discovered in the 1950s. We compare virtual reconstructions created previously by our team with a wide range
Abel Marinus Bosman, Laura Tabitha Buck, Hugo Reyes‐Centeno, Marta Mirazón Lahr, Chris Stringer, Rainer Grün, Qingfeng Shao, Katerina Harvati   +7 more
wiley   +1 more source

Engineered Metal–Organic Frameworks‐Based Materials for Environmental Detection

ENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 4, July 2026.
Engineered metal–organic frameworks (MOFs) regulated by various material modification strategies are discussed for environmental contaminant detection under different sensing mechanisms, providing future improvements of MOFs in environmental detection. Sensitive and selective detection of contaminants is crucial for environmental protection.
Pan Gao, Song Wang, Yuechao Yao, Yibo Dou   +3 more
wiley   +1 more source