Results 81 to 90 of about 60,015 (288)
This review consolidates mechanisms and solutions for mixed Sn–Pb perovskite solar cells. It identifies Sn2+ oxidation, iodine generation, and interfacial defects as primary instabilities. It discusses progress in additives, interface passivation, alternative hole transport layers, and solvent engineering as well as future directions for achieving long‐
Lei Chen, Kai Zhu
wiley +1 more source
A Possible Monastery and the ‘Upper Maqs’ at Ukma-Akasha West?
This paper summarises previously unpublished records relating to a series of unusual, and perhaps associated enclosed medieval settlements in the area of Akasha and Ukma West, excavated in 1969 by the Archaeological Survey of Sudanese Nubia.
David N. Edwards
doaj +1 more source
Dennis Mahan’s Leadership and Tactics: How a West Point Professor Shaped the Course of the Civil War
This summer, while doing research at Stratford Hall, I happened across the name of one West Point professor who quite literally taught every cadet who fought in the Civil War.
Tarchis, Nick
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Confidential Report on the Recent Bombing of Le Havre [PDF]
Flight Lieutenant R.F. Delderfield was a RAF public relations officer in 1944 when he was ordered to the continent to cover the capture of Le Havre. Arriving about a week after the city was liberated, Delderfield spent two days examining the town and ...
Delderfield, R.F.
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Planning Practices For The Protection Of Cultural Heritage: Lessons Learnt From The Greek UNESCO Sites [PDF]
By the case study conducted in the Greek UNESCO sites, it was revealed that, despite the fact that most of the monuments are subjects of multiple zoning, little is accomplished for their spatial protection.
Papageorgiou, Marilena
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ABSTRACT Among the vertebrates, mammals are notable for the dominance of live birth and placental nutrition. The structural diversity of the mammalian placenta is remarkable, despite sharing a single common ancestor and conserved physiological functions.
Davis Laundon +5 more
wiley +1 more source
Samuel Holland: From Gunner and Sapper to Surveyor-General 1755-1764 [PDF]
The British Army engaged, in 1755, the young Dutch officer, Samuel Holland (whose patron was already the Third Duke of Richmond), to serve in North America as an artillery and engineering subaltern. Following many months’ service directly under the field
Thorpe, Frederick J.
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ABSTRACT This study addresses a significant research gap in the literature by systematically reviewing and synthesizing the interplay between social dynamics, environmental changes, and organizational innovation. Although prior research has explored these dimensions in isolation, the integrative framework remains lacking.
Gagan Deep Sharma +4 more
wiley +1 more source
Les recherches archéologiques menées dans l’été de 2015, à l’Ouest du promontoire Butuceni Orhei, est une suite logique des études qui ont été réalisées en 2013-2014.
Octavian Munteanu
doaj
Guarding the border: watchtowers of the Nasrid Kingdom of Granada. Characterization and vulnerability assessment [PDF]
RUIZ-JARAMILLO, J. y GARCÍA-PULIDO, L.J., 2018. Guarding the border: watchtowers of the Nasrid Kingdom of Granada. Characterization and vulnerability assessment. Heritage 2018: 6th International Conference on Heritage and Sustainable Development. Granada:
García-Pulido, Luis José +1 more
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