Results 91 to 100 of about 624 (220)

Supramolecular Chiral Assembly of Open‐Shell Quinoids With Chiral Additives and Their Spin‐Dependent Transport in Magneto Field‐Effect Transistors

Small, EarlyView.
Open‐shell quinoids with intrinsic spins are assembled into chiral supramolecular structures via blending with chiral additives. Thermal annealing induces stable co‐crystallization, leading to a 30‐fold amplification of chirality (gabs = 1.23 × 10−2). Significantly, this study represents the first integration of spin‐possessing chiral assemblies into ...
Younghyo Kim, Jeongwoo Beak, Yunseul Kim, Seungrae Cho, Byungho Park, Kyoungtae Hwang, Kihyeun Kim, David H. Waldeck, Minwoo Lee, Taesun Yun, Chang‐Lyoul Lee, Dong‐Yu Kim   +11 more
wiley   +1 more source

Microporous Self‐Assembled Pd(II) Tetrahedral Cages for Rapid and Reversible Multi‐Phase Sequestration of Iodine and Methyl Iodide

Small, EarlyView.
This work reports a family of microporous, self‐assembled tetrahedral coordination cages that efficiently capture iodine, polyiodides, and methyl iodide from vapor, aqueous, and organic media. The cages display exceptional uptake capacities, rapid kinetics, and high selectivity, enabling the first dynamic vapor‐phase iodine capture by coordination ...
Raghunath Singha, Risikeshan Pradhan, Monotosh Dalapati, Pijush De, Debashree Manna, Dipak Samanta   +5 more
wiley   +1 more source

Ground vehicle gravimetry system based on SINS and two-dimensional LDV integration: error analysis and verification

Geocarto International
As an effective tool for refining local gravity data with mGal accuracy, vehicle gravimetry system usually consists of Strapdown Inertial Navigation System (SINS) and Global Navigation Satellite System (GNSS). However, the traditional system is unable to
Jiayi Cheng, Zekun Yang, Chengzhi Hou, Xu Zhu, Guo Wei, Wenjian Zhou, Mailun Chen, Ye Tian, Chunfeng Gao   +8 more
doaj   +1 more source

Molecular‐Level Engineered Approach Induces Built‐in Electric Field Modulation in G‐C3N4/CoMoS2 Heterojunction for Enhanced Hydrogen Generation via Urea Oxidation

Small, EarlyView.
Urea‐assisted electrolysis is demonstrated as an energy‐efficient route for hydrogen production by replacing the sluggish oxygen evolution reaction with kinetically favorable urea oxidation. An intrinsic electric‐field‐driven g‐C3N4/CoMoS2 heterojunction induces directional charge redistribution, promotes selective urea activation, and accelerates C─N ...
Boka Fikadu Banti, Birhanu Bayissa Gicha, Mahendra Goddati, Hyojin Kang, Indra Memdi Khoris, Cheru Fekadu Molla, Sohrab Asgaran, Michael Giersig, Njemuwa Nwaji, Jaebeom Lee   +9 more
wiley   +1 more source

Demonstration of an instream flow model to accommodate a threatened tiger beetle in riverine dune habitat

Insect Conservation and Diversity, EarlyView.
Burrows of the threatened Gibson's Big Sand Tiger Beetle in riverine dune habitats are susceptible to flooding through managed flows. HEC‐RAS modelling identified the flow thresholds above which flooding would occur for burrows and affect the beetle larvae. These findings provide instream flow guidelines for conserving this threatened species and guide
Iain D. Phillips, Aaron J. Bell, Faline Drummond   +2 more
wiley   +1 more source

A geophysical investigation of the Roter Kamm impact crater, Namibia

Meteoritics &Planetary Science, EarlyView.
Abstract The Roter Kamm impact crater is located in the southern Namib Desert. The crater has a diameter of 2.5 km and belongs to the category of simple, bowl‐shaped impact craters, with an elevated rim of fractured target rock. The crater's interior is completely buried beneath sediments, preventing extensive surface investigations of the bedrock ...
Hannah Nienhaus, Pritam Yogeshwar, Wiebke Mörbe, Bülent Tezkan, Yajun Liu, Bufelo Lushetile, Martin Melles   +6 more
wiley   +1 more source

Satellite Gravimetry as a Tool for Forecasting Oil and Gas Potential

Russian Journal of Earth Sciences
This study explores the use of satellite gravity data and derived crustal models for predicting oil and gas potential in the east of the Russian platform.
Ognev Igor, Khamidullina Galina, Nourgaliev Danis, Garaev Fagim, Ikhsanova Diana, Mulikova Dinara   +5 more
doaj   +1 more source

Signal separation in geodetic observations: satellite gravimetry

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Signal separation is one of the key challenges in exploiting geodetic data for downstream applications, including the possible extraction of mantle convection-related signals from gravimetric (satellite gravity mission-derived) and geometric (global navigation satellite systems) data.
B. Heller-Kaikov, H. Karimi, D. Lekshmy Raj, R. Pail, U. Hugentobler, M. Werner   +5 more
openaire   +1 more source

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

Meteoritics &Planetary Science, EarlyView.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta, Neivaldo Araújo de Castro, Marcos Alberto Rodrigues Vasconcelos, Airton Natanael Coelho Dias, Ludovic Ferrière, Wolf Uwe Reimold, Ana Maria Góes, Jackson Alves Martins, Liliana Sayuri Osako, Raimundo Mariano Gomes Castelo Branco   +9 more
wiley   +1 more source

A Review of GRACE/GRACE-FO Satellite Gravimetry Applications in Earthquake Activity Monitoring

Applied Sciences
Earthquakes induce significant mass redistribution, generating temporal gravity variations detectable by GRACE and GRACE-FO missions. However, the capability of different gravity field recovery strategies, particularly spherical harmonic (SH) and mass ...
Haoyan Wu, Ye Wu, Guanwen Gu, Shunji Wang, Xinglong Lin, Xianzi Wang, Zhengxin Hong   +6 more
doaj   +1 more source