Results 131 to 140 of about 46,637 (281)

Density Functional Theory‐Guided Design and Fabrication of Cu/g‐C3N4 Single‐Atom Catalysts for Efficient Nitrate Reduction to Ammonia

open access: yesRare Metals, EarlyView.
ABSTRACT The electrocatalytic reduction of nitrate (NO3ER) has emerged as a promising strategy for mitigating NO3− ${{\text{NO}}_{3}}^{-}$ pollution in wastewater while concurrently producing value‐added ammonia; however, its process is significantly hindered by the lack of highly efficient and low‐cost electrocatalysts. Herein, we proposed several non‐
Xue‐Shi Song   +5 more
wiley   +1 more source

MXene‐Based Electromagnetic Attenuation Materials in Microwave and Terahertz Bands

open access: yesRare Metals, EarlyView.
ABSTRACT MXenes exhibit considerable potential for developing high‐performance electromagnetic (EM) shielding and absorption materials operating across microwave and terahertz frequencies, due to their tunable surface chemistry and exceptional charge carrier transport properties.
Guozheng Zhang   +9 more
wiley   +1 more source

Measurement of reverberation time using Time Delay Spectrometry (TDS)

open access: yesArchives of Acoustics, 2014
In the series of papers printed in the Journal of Audio Engineering Society in late sixties and early seventies, Richard C. Heyser introduced a revolutionary measurements technique which he named Time Delay Spectrometry (TDS) [1-6].
G. PAPANIKOLAOU   +2 more
doaj  

Threshold Currents of Vacuum Arcs With Tungsten and Copper Cathodes

open access: yesHigh Voltage, EarlyView.
ABSTRACT This paper presents the results of an experimental study aimed at determining the threshold current for triggering a vacuum arc discharge, the probability of arc ignition and the average arc operation time depending on the current for tungsten and copper electrodes.
P. S. Mikhailov   +4 more
wiley   +1 more source

The Forthcoming General Election in the Republic of Ireland: Winds of (Left‐Wing) Change or Plus Ça Change?

open access: yesThe Political Quarterly, Volume 96, Issue 1, Page 180-188, January/March 2025.
Abstract The forthcoming general election will be the most consequential electoral contest for the Republic of Ireland in a century. The polity is situated in truly novel territory with the potential for an historic first: the incoming of a Sinn Féin‐led, left‐wing government.
Chris Ó Rálaigh
wiley   +1 more source

Semen quality in patients with testicular cancer is associated with age and with greatly elevated levels of beta human chorionic gonadotropin

open access: yesAndrology, EarlyView.
Abstract Background Poor semen quality is a well‐known feature in patients with testicular germ cell tumours (GCTs) at the time of diagnosis but the underlying biological reasons are incompletely understood. Objectives This study aimed to identify GCT‐specific clinical factors that are involved with poor semen quality in GCT patients.
Klaus‐Peter Dieckmann   +9 more
wiley   +1 more source

Cross-Brand Machine Learning of Coffee’s Temporal Liking from Temporal Dominance of Sensations Curves

open access: yesApplied Sciences
The temporal dominance of sensations (TDS) method captures assessors’ real-time sensory experiences during food tasting, while the temporal liking (TL) method evaluates dynamic changes in food preferences or perceived deliciousness.
Hiroharu Natsume, Shogo Okamoto
doaj   +1 more source

Changes in Peri‐Implant Soft Tissue Dimensions Following Soft Tissue Contour Augmentation: A 3‐Year Follow‐Up of a Multi‐Center RCT

open access: yesClinical Oral Implants Research, EarlyView.
ABSTRACT Aim To assess 3‐year changes of peri‐implant tissues following previous soft tissue (volume) augmentation (STA) with a volume‐stable collagen matrix (VCMX) or connective tissue (SCTG) at single‐implant restorations. Material and Methods In a non‐interventional follow‐up observation, peri‐implant tissues were evaluated with regard to buccal ...
Karin Jepsen   +10 more
wiley   +1 more source

A Hanks‐type bacterial kinase, PknS, directly phosphorylates the alternative sigma factor EcfK to promote resistance to protist predation

open access: yesThe FEBS Journal, EarlyView.
The Xanthomonas citri Hanks‐type kinase PknS autophosphorylates and directly phosphorylates the alternative sigma factor EcfK at five residues. Besides the conserved residue T51 in the σ2 domain, phosphorylation of a residue in the linker between σ2 and σ4 is critical for EcfK activation by promoting its interaction with a positively charged pocket in ...
Lídia dos Passos Lima   +12 more
wiley   +1 more source

Telecommunications and data acquisition support for the Pioneer Venus Project: Pioneers 12 and 13, prelaunch through March 1984 [PDF]

open access: yes
The support provided by the Telecommunications and Data Acquisition organization of the Jet Propulsion Laboratory (JPL) to the Pioneer Venus missions is described. The missions were the responsibility of the Ames Research Center (ARC).
Miller, R. B.   +3 more
core   +1 more source

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