Results 91 to 100 of about 311,267 (287)

Trace element catalyses mineral replacement reactions and facilitates ore formation. [PDF]

open access: yesNat Commun, 2021
Xing Y   +5 more
europepmc   +1 more source

State Formation : Structre or Culture?

open access: yes, 2007
Bu makale, devlet kuruluşu sürecini analiz etmeyi hedeflemektedir. Devlet kuruluşu süreci üstüne olan yapısal ve kültürel teorileri değerlendirerek, tarihsel sosyologların ve sosyal teorisyenlerin bu sözü edilen geniş süreci analiz etmek için iyi donanımlı ve tutarlı bir teori geliştiremediklerini göstereceğiz.
KAYA, İbrahim, KAYA, Şehriban Şahin
openaire   +2 more sources

Design Matters: How Cell Architecture Shapes the Performance, Cost, and Environmental Impact of Battery Technologies

open access: yesAdvanced Energy Materials, EarlyView.
This study introduces a multidimensional framework integrating electrical performance, cost, and life cycle assessment for 140 real and virtual battery cells. Results show that LFP offers low emissions and costs, sodium‐ion excels in resource efficiency, and pouch housings and higher energy densities effectively reduce environmental burdens.
Nicolas Peter Kaiser   +7 more
wiley   +1 more source

Complex gold-molybdenum deposits and occurrences in greenstone belts of the Middle Dnipro region of the Ukrainian shield

open access: yesМінеральні ресурси України, 2018
The most important molybdenum mineralization of the Middle Dnipro province is limited to the Mesoarchean (3,1–2,9 Ga) Greenstone belts or structure (GSS). These are next occurrences: East-Sergiivka, Solone in the Sura GSS and Gannivka (district “Chervona”
V. V. Sukach, L. O. Riazantseva
doaj   +1 more source

Internal vein texture and vein evolution of the epithermal Shila-Paula district, southern Peru. [PDF]

open access: yes, 2006
The epithermal Shila-Paula Au–Ag district is characterized by numerous veins hosted in Tertiary volcanic rocks of the Western Cordillera (southern Peru).
André-Mayer, Anne-Sylvie   +7 more
core   +3 more sources

Comparative Insights and Overlooked Factors of Interphase Chemistry in Alkali Metal‐Ion Batteries

open access: yesAdvanced Energy Materials, EarlyView.
This review presents a comparative analysis of Li‐, Na‐, and K‐ion batteries, focusing on the critical role of electrode–electrolyte interphases. It especially highlights overlooked aspects such as SEI/CEI misconceptions, binder effects, and self‐discharge relevance, emphasizing the limitations of current understanding and offering strategies for ...
Changhee Lee   +3 more
wiley   +1 more source

Preliminary report on the geology and gold mineralization of the South Pass granite-greenstone terrain, Wind River Mountains, western Wyoming (US) [PDF]

open access: yes
The South Pass granite-greenstone terrain lies near the southern tip of the Wind River Mountains of western Wyoming. This Archean supracrustal pile has been Wyoming's most prolific source of gold and iron ore. From 1962 to 1983, more than 90 million tons
Hausel, W. D.
core   +1 more source

Selection of accessing and development schemes for extracting reserves of ore body 2 in Irtysh deposit [PDF]

open access: yes, 2018
Purpose. Justification and selection of a rational scheme for accessing the second ore body of the Irtysh deposit based on a technical and economic comparison of its adopted competitive options. Methods.
Konurin, A   +4 more
core   +1 more source

Stage‐Specific Roles of Deep Eutectic Solvents in Recycling of Spent Lithium‐Ion Batteries

open access: yesAdvanced Energy Materials, EarlyView.
Deep eutectic solvents (DESs) offer tunable acidity, redox, and coordination properties for selective recycling of spent lithium‐ion battery cathodes. Through co‐dissolution, single‐ and two‐metal separations, DESs enable sustainable recovery of critical metals for closed‐loop regeneration of battery‐grade materials, advancing a circular economy for ...
Jingxiu Wang   +4 more
wiley   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira   +4 more
wiley   +1 more source

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