Results 91 to 100 of about 547,241 (288)

Coupling Selective Organic Oxidation With Hydrogen Evolution Over Metal Halide Perovskite Photocatalysts: Halide‐Dependent Design, Mechanisms, and Stability Challenges

open access: yesEcoEnergy, EarlyView.
This Review highlights how metal halide perovskites enable coupled selective organic oxidation and hydrogen evolution under visible light. It summarizes halide‐dependent design principles, surface engineering strategies, reaction mechanisms, and stability challenges, providing guidance for developing efficient and durable photocatalytic systems ...
Jutarat Jitrada   +4 more
wiley   +1 more source

Absolute frequency measurements on the 5s5p^{3}P_{0} → 5s6d^{3}D_{1} transition in strontium

open access: yesPhysical Review Research
We report the first absolute frequency measurements for the 5s5p^{3}P_{0}→5s6d^{3}D_{1} transition at 394 nm for all the stable strontium isotopes by utilizing repumping induced spectroscopy in a magneto-optical trap.
S. Zhang   +4 more
doaj   +1 more source

Challenges in classifying I- and S-type granites: insights from the Sana and Itaoca plutons [PDF]

open access: yesBrazilian Journal of Geology
The Sana (Sana suite) and Itaoca (Nova Friburgo suite) granites, emplaced in the Oriental Terrane of the Ribeira Belt during the Cambrian–Ordovician, provide key insights into post-collisional magmatism in a Gondwana segment marked by crustal recycling ...
Guilherme Loriato Potratz   +2 more
doaj   +2 more sources

Enhancing g‐C3N4 Photocatalytic Activity: K‐Doping and CuO Heterojunction for Selective CO2 Conversion to CH4

open access: yesElectron, EarlyView.
The CuO/K‐g‐C3N4 heterostructure photocatalyst achieves selective CO2 reduction to CH4 (93.03% selectivity) under visible‐light irradiation. K‐doping enhances crystallinity, whereas CuO forms a p‐n heterojunction to promote charge separation and electron transfer.
Ahmed Ismail   +8 more
wiley   +1 more source

Bruce T. Bullion Sr. scrapbook

open access: yes, 1920
This small scrapbook contains newspaper articles, speeches, poems, and personal memorabilia of Bruce T.
Bullion, Bruce T., Sr., 1875-1946
core   +1 more source

Exploring the controls on element ratios in middle Eocene samples of the benthic foraminifera Oridorsalis umbonatus [PDF]

open access: yes
Culturing studies and empirically based core top calibrations have been used to infer that elemental ratios in benthic foraminifera can be used as proxies to reconstruct past variations in bottom water temperature and saturation state (Δ [CO32 ...
Tripati, A. K., Dawber, C. F.
core   +1 more source

Potential for conflict between urban coyotes and people experiencing unsheltered homelessness

open access: yesFrontiers in Ecology and the Environment, EarlyView.
Across North America, both unsheltered homelessness and human–coyote (Canis latrans) conflict are increasing, but the relationship between these phenomena has not been thoroughly explored. We synthesize literature‐based evidence with anecdotal observations that occurred during a 15‐year study of coyotes in Edmonton, Canada, to describe three likely ...
Sage Raymond   +2 more
wiley   +1 more source

Replacement of Ores Recorded by Textures and Chemical Compositions of Sphalerite: An Example From the Furutobe Kuroko Deposit, Akita, Japan

open access: yesGeological Journal, EarlyView.
Coupled dissolution‐reprecipitation of early formed Cd‐, Fe‐, Ag‐ and Sb‐poor sphalerite through interaction with high‐temperature and high‐sulphur fugacity Cu‐rich fluids, responsible for the formation of the yellow ores, resulted in the formation of Cd‐, Fe‐, Ag‐ and Sb‐rich, heavily chalcopyrite‐diseased sphalerite and enrichment of critical metals ...
Manuel Nopeia   +4 more
wiley   +1 more source

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