Results 101 to 110 of about 658,769 (293)

Ultraspectral UV polychromator for SRS-isotopic sensor

Journal of Physics: Conference Series, 2019
Abstract We have developed a spectral module for the selection of narrow characteristic spectral lines of isotopes in the ultraviolet Raman spectral channel. To allow resolving closely spaced isotope lines in the continuous input radiation spectrum, extremely high resolution λ / Δλ = 1000 is implemented.
A Zhevlakov, E Miharev, A Grishkanich, Y Chubchenko, L Ignateva, N Paklinov   +5 more
openaire   +1 more source

Synergistic Optical Strategies for Enhanced Perovskite Photocatalytic Activity

EcoEnergy, EarlyView.
This review addresses bottlenecks of halide perovskites' photoactive components from an optics‐driven perspective and organizes recent advances into four interconnected design principles. This review provides practical design principles and outlines key directions toward efficient, selective, and stable perovskite photocatalysis for CO2 reduction ...
Jaemin Jeong, Myeongjin Seol, Sang Hyun Ahn, Soo Young Kim   +3 more
wiley   +1 more source

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

EcoEnergy, 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, Lizhen Liu, Patchanita Thamyongkit, Yanfa Yan, Jun Huang   +4 more
wiley   +1 more source

(Table 3) Sr and Nd isotope composition, and Sr and carbonate contents of Atlantis Massif IODP holes

, 2008
(Table 3) Sr and Nd isotope composition, and Sr and carbonate contents of Atlantis Massif IODP ...
Kelley, Deborah S, Adelie Delacour (6974606), Gutjahr, Marcus, Gretchen L Frueh-Green (6971186), Frueh-Green, Gretchen L, Delacour, Adelie, Marcus Gutjahr (6886493), Deborah S Kelley (6974609), Frank, Martin, Martin Frank (7482416)   +9 more
core   +1 more source

Fine-Scale Strontium Isotope Mapping in Eastern China (Anhui Province) and Its Application in Food Traceability

Foods
Origin traceability is critical for food safety, and the strontium isotope ratio (87Sr/86Sr) has been widely used in this field due to its accuracy and stability.
Mei Wang, Yunlu Jiang, Xiaojing Han, Aoyu Ren, Jiahui He, Minzhen Yin, Yujiao Zhao, Huasheng Peng   +7 more
doaj   +1 more source

Development of a sample preparation procedure for Sr isotope analysis of Portland cements. [PDF]

Anal Bioanal Chem, 2022
Kazlagić A, Russo FF, Vogl J, Sturm P, Stephan D, Gluth GJG.   +5 more
europepmc   +1 more source

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

Electron, 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, Sher Ali, Ahmad Iqbal, Muhammad Zahid, Syed ul Hasnain Bakhtiar, Jiabao Yi, Huabin Zhang, Sharafat Ali, Liang Qiao   +8 more
wiley   +1 more source

Potential for conflict between urban coyotes and people experiencing unsheltered homelessness

Frontiers 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, Jeff Rose, Colleen Cassady St Clair   +2 more
wiley   +1 more source

Does depleted mantle form an intrinsic part of the Iceland plume? [PDF]

, 2003
Icelandic basalt ranges in composition from voluminous tholeiite, erupted in the rift zones, to small-volume, mildly alkaline basalt erupted off-axis.
Fitton, J. G., Hardarson, B. S., Kempton, P. D., Saunders, A. D.   +3 more
core   +1 more source

Comparisons of strontium isotope ratios in the water and otoliths suggest narrow habitat ranges of freshwater three-spined sticklebacks in Otsuchi, Japan

Progress in Earth and Planetary Science
Stable isotope analysis is useful in elucidating the flow of elements among organisms and environments. Understanding the movement of organisms is important for the conservation of ecosystems, and radiogenic strontium stable isotope ratios (⁸⁷Sr/⁸⁶Sr ...
Konomi Uji, Takanori Nakano, Ki-Cheol Shin, Seiichi Mori, Manabu Kume, Shotaro Nishida, Ichiro Tayasu   +6 more
doaj   +1 more source