Results 221 to 230 of about 6,781,125 (373)

Long‐term hydrologic connectivity on the Australian dryland margins: Evidence from the Willandra Lakes World Heritage Area over the last 60 ky

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT The semi‐arid Australian continental inland is increasingly subject to climatic extremes such as drought and flooding. Combined with the exceptionally low topographic relief characteristic of this region, hydroclimatic extremes can have an enormous impact on the land surface.
Kathryn E. Fitzsimmons   +6 more
wiley   +1 more source

Room‐temperature phosphorescence materials from crystalline to amorphous state

open access: yesSmartMat, Volume 4, Issue 1, February 2023., 2023
Abstract Room temperature phosphorescence (RTP) in metal‐free organic materials has attracted considerable attention due to its rich excited state properties, high quantum efficiency, long luminescence lifetimes, etc., showing great potential in organic optoelectronic devices, bioimaging, information anti‐counterfeiting, and so forth. The crystals have
Zixuan Xu   +3 more
wiley   +1 more source

An Operational Triple-PRT Doppler Scheme for the French Radar Network [PDF]

open access: bronze, 2006
Pierre Tabary   +3 more
openalex   +1 more source

Fingerprinting of Semi‐Refined Flaxseed Protein Using Raman Spectroscopy and Multivariate Analysis: Pulsed Electric Field (PEF)‐Assisted Alkali and Aqueous Extraction Methods Alter Composition and Protein Conformation

open access: yesJournal of Raman Spectroscopy, EarlyView.
Structural changes in semi‐refined flaxseed protein extracts were effectively characterized using Raman spectroscopy coupled with PCA. The application of higher PEF energy enhanced hydrophobic interactions among aliphatic amino acids, while at lower PEF inputs, the extraction medium dictated secondary structure formation: α‐helices favored in aqueous ...
Jervee M. Punzalan   +7 more
wiley   +1 more source

Self‐healable, recyclable, ultrastretchable, and high‐performance NO2 sensors based on an organohydrogel for room and sub‐zero temperature and wireless operation

open access: yesSmartMat, Volume 4, Issue 1, February 2023., 2023
For the first time, a self‐healing, recyclable, and degradable NO2 gas sensor is reported based on an ultrastretchable and stable polyvinyl alcohol–cellulose nanofibril double‐network organohydrogel, which is synthesized using a facile one‐step polymerization method based on glycerol‐induced formation of hydrogen bonds.
Qiongling Ding   +8 more
wiley   +1 more source

Predicting pup‐rearing habitat for Mexican wolves

open access: yesThe Journal of Wildlife Management, EarlyView.
We developed predictive models of pup‐rearing habitat (i.e., den and rendezvous sites) that could help guide future population monitoring efforts of Mexican wolves. Mexican wolves selected den sites at higher elevations in steeper and rougher terrain that was closer to permanent waterbodies but farther from rural roads, whereas selection of rendezvous ...
Sarah B. Bassing   +5 more
wiley   +1 more source

A decade of the Super Dual Auroral Radar Network (SuperDARN): scientific achievements, new techniques and future directions [PDF]

open access: bronze, 2007
G. Chisham   +17 more
openalex   +1 more source

Integrated RF Photonic Front‐End Capable of Simultaneous Cascaded Functions

open access: yesLaser &Photonics Reviews, EarlyView.
An integrated programmable RF photonic front‐end capable of simultaneous cascaded functions is demonstrated, including notch filtering with true time delay or phase shifting. This work shows the feasibility to achieve cascaded functions within an integrated RF photonic front‐end.
Kaixuan Ye   +6 more
wiley   +1 more source

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