Results 51 to 60 of about 4,818 (178)

Epoxidation of Cashmeran and Unprecedented Rearrangement to an α‐Carbonyl δ‐Spirolactone

open access: yesEuropean Journal of Organic Chemistry, Volume 29, Issue 28, 25 July 2026.
A new strategy enables diastereoselective conversion of Cashmeran into a previously unknown α‐carbonyl δ‐spirolactone via epoxidation, Baeyer–Villiger oxidation, and acid‐catalyzed rearrangement. Structure and mechanism were confirmed by NMR, single crystal X‐ray diffraction, and computational studies. We report the epoxidation of Cashmeran followed by
Lukas Kell   +7 more
wiley   +1 more source

Recuento de la población novohispana

open access: yesHistoria Mexicana El Colegio de México, 1960
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Luis Muro
doaj  

Nuevo registro de un hidroide (Hydroidolina: Leptothecata: Sertularioidea) en un banco somero de la Alta Guajira, Caribe colombiano

open access: yesCiencia e Ingeniería
El hidroide Sertularelloides cylindritheca (Allman, 1888), se identificó durante la Expedición Colombia BIO “Lamuuna Neimalu’u” realizada en abril del 2023, como un nuevo registro para el mar Caribe colombiano. El espécimen fue colectado a 17,5 metros de
Cristina Cedeño-Posso
doaj   +1 more source

Automatic Card Shufflers and Antitrust Litigation: An Arbitration Perspective

open access: yesConflict Resolution Quarterly, Volume 43, Issue 4, Page 569-575, Summer 2026.
ABSTRACT This paper examines an American Arbitration Association (AAA) class action proceeding in which Mohawk Gaming Enterprises LLC alleges that Light & Wonder Inc. and L&W Gaming Inc. fraudulently obtained and enforced patents, thereby monopolizing the market for automatic card shufflers and violating Sections 2 and 3 of the Sherman Act.
Tariq K. Alhasan
wiley   +1 more source

Los Censos Pecuarios

open access: yesRevista Mexicana de Ciencias Políticas y Sociales, 2023
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openaire   +1 more source

Research Trends on Trace Element Contamination in Brazilian Urban Lentic Ecosystems: Environmental and Policy Drivers

open access: yesInternational Review of Hydrobiology, Volume 111, Issue 1, June 2026.
ABSTRACT Lentic ecosystems are vulnerable to contamination by trace elements, which can accumulate and pose risks to aquatic life and human health. In a large, developing country such as Brazil, marked by vast geographic, environmental, and socioeconomic diversity, it is crucial to understand how these factors shape research on this group of ...
Maria C. F. Neuenschwander   +4 more
wiley   +1 more source

La hacienda de San Pedro Jorullo, Michoacán - 1585-1795

open access: yesHistoria Mexicana El Colegio de México, 1977
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Ulises Beltrán
doaj  

Effects of selective harvest on antler size of white‐tailed deer in Texas, USA

open access: yesWildlife Monographs, Volume 222, Issue 1, June 2026.
We conducted 20 years of experiments on the selective harvest of white‐tailed deer by antler size, judged inferior, in 2 areas of South Texas, USA. Selective harvest increased the phenotypic antler size of older males in one study area but not the other. There was little evidence of evolution resulting from selective harvesting. Abstract There has been
Don A. Draeger   +8 more
wiley   +1 more source

Algunos datos sobre la población en Cehegín

open access: yesAlquipir, 1995
Este artículo muestra, a través de la cita directa dos censos, cómo evoluciona la población de Cehegín desde 1495, que es la fecha del primero, aunque centrado sólo en saber cuántos hombres había disponibles para la guerra, por tanto, no es muy fiable ...
José Moya Cuenca
doaj  

La desigualdad como construcción de la diferencia

open access: yesCon X, 2015
Los datos brindados por el Instituto Nacional de Estadística y Censos (indec) como resultado del último censo, reafirman para nuestro país que la equidad de género sigue estando ausente de las prácticas cotidianas.
Lucrecia Ametrano
doaj  

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