Results 31 to 40 of about 333,342 (343)

A new type U-Th-REE-Nb mineralization related to albitite: A case study from the Chachaxiangka deposit in the northeastern Qaidam Basin of China

open access: yesChina Geology, 2019
: The U-Th-REE-Nb (Ta)-polymetallic mineralization is generally related to either the silica-undersaturated syenites, the silica-oversaturated alkaline/peralkaline granites or igneous carbonatites.
Jun Zhong   +6 more
doaj   +1 more source

Influence of sediment redox conditions on uranium mobilisation during saline intrusion [PDF]

open access: yes, 2013
This research was funded by the Natural Environment Research Council (grant NE/C506799/1: Studentship NE/H527116/1).In the UK, several coastal nuclear sites have been identified as vulnerable to future sea level rise.
Blake, WH   +3 more
core   +2 more sources

Parallel groundwater flow simulation method based on a discrete fracture network model

open access: yes地质科技通报, 2023
Objective Groundwater flow in fractured rocks has strong heterogeneity and anisotropy. The discrete fracture network (DFN) method has been internationally considered as one of the most reasonable and effective methods to describe the fracture water ...
Jingbo Zhao   +5 more
doaj   +1 more source

Uranium–nitride chemistry: uranium–uranium electronic communication mediated by nitride bridges

open access: yesDalton Transactions, 2022
Sequential reduction of a uranium-azide through all the nitride steps is revealed. Experimentally determined U–U coupling in the diuranium(iv)–dinitride is shown byab initiocalculations to stem from the nitride bridges, not U–U bonding.
David M. King   +7 more
openaire   +3 more sources

Study of mechanical properties of uranium compounds [PDF]

open access: yes, 1968
Study determines the mechanical properties, including brittleness and ductility of several uranium compounds.
Beals, R. J.   +3 more
core   +1 more source

A Sustainable Biotechnology Approach for Mineral Separation

open access: yesAdvanced Functional Materials, EarlyView.
Silver‑binding peptides are first identified through phage‐display screening, and then engineered into multifunctional and responsive peptides or proteins. These tailored biomolecules can selectively capture and aggregate silver particles or ions from complex mixtures, enabling rapid and efficient silver separation and recovery.
Guangze Yang   +7 more
wiley   +1 more source

Minerals of uranium [PDF]

open access: yesThe Soviet Journal of Atomic Energy, 1956
Knowledge about the minerals of uranium is summarized and the conditions of their formation are considered. A table of the physical properties of the most widely distributed minerals of uranium is included.
openaire   +2 more sources

Collision geometry and flow in uranium + uranium collisions

open access: yesPhysical Review C, 2015
Using event-by-event viscous fluid dynamics to evolve fluctuating initial density profiles from the Monte-Carlo Glauber model for U+U collisions, we report a "knee"-like structure in the elliptic flow as a function of collision centrality, located around the 0.5% most central collisions as measured by the final charged multiplicity. This knee is due to
Goldschmidt, Andy   +7 more
openaire   +5 more sources

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