Results 41 to 50 of about 33,245 (217)

Sunlight‐Driven, Catalyst‐Free Synthesis of Cyclobutanes by [2 + 2] Cycloaddition of Fluorinated Heterochalconoids in Solution

open access: yesEuropean Journal of Organic Chemistry, Volume 28, Issue 27, July 25, 2025.
Sunlight promotes [2 + 2] cycloaddition of fluorinated derivatives of heterochalconoids in solution to produce cyclobutanes without the need for an external photocatalyst. The reaction output, including regio‐ and stereoselectivity, depends on the heteroaromatic system and the number and position of fluorine atoms.
Mario De‐Juan‐Alberdi   +3 more
wiley   +1 more source

Manuel García Blanco, Don Miguel de Unamuno y sus poesías. Universidad de Salamanca, 1954; 453 pp.

open access: yesNueva Revista de Filología Hispánica, 1955
Se reseñó el libro: Don Miguel de Unamuno y sus poesías. 
Carlos Blanco Aguinaga
doaj   +1 more source

Long-Term Seed Dispersal within an Asymmetric Lizard-Plant Interaction

open access: yesAnimals, 2023
During the last 24 years, the mutualistic interaction between the dead horse arum, Helicodiceros muscivorus, and the Balearic lizard, Podarcis lilfordi, was studied on Aire Island (Balearic Islands, Spain).
Ana Pérez-Cembranos   +1 more
doaj   +1 more source

Psicología evolutiva en Miguel de Unamuno. .Recuerdos de niñez y de mocedad. [PDF]

open access: yes, 2000
En este trabajo se comenta desde la perspectiva de la psicología evolutiva la obra autobiográfica "Recuerdos de niñez y de mocedad", escrita por el filósofo Miguel de Unamuno y Jugo. De la obra se extraen los fragmentos que ilustran conceptos típicamente
Arranz Freijo, Enrique B.
core  

Internal versus external CSR practices: The trade‐off in family firms

open access: yesEuropean Management Review, Volume 22, Issue 2, Page 547-568, June 2025.
Abstract Firms face the challenge of choosing between corporate social responsibility (CSR) practices aimed at different stakeholders (internal and external). Striking the right balance is particularly complex in family firms (FFs), in which CSR practices become a vehicle to express their identity.
Pilar Rivera‐Franco   +2 more
wiley   +1 more source

Journalism and literature in Spain – short and (selective) history of relationships [PDF]

open access: yes, 2016
Publikacja jest zbiorem artykułów eksplorujących relacje między dziennikarstwem a literaturą z różnych perspektyw i w różnych obszarach językowych. Wobec postępującej w ostatnich dziesięcioleciach kontaminacji między dziennikarstwem a literaturą autorzy ...
Kłosińska-Nachin, Agnieszka
core   +1 more source

Disclosing dual manufacturers on private brands: Does it change quality and image perception between national and private label brands?

open access: yesAgribusiness, Volume 41, Issue 1, Page 3-24, Winter 2025.
Abstract Dual manufacturers produce both their own brands and private label brands (PLs). Disclosing these manufacturers on PL packaging might exert quality and brand image effects, which could influence the perception differentials between national brands (NBs) and PLs.
Samanta Pérez‐Santamaría   +1 more
wiley   +1 more source

La reflexión metapoética como expresión de la conciencia artística de Miguel de Unamuno en tres poemas inéditos [PDF]

open access: yes, 2018
A partir de la metodología de la crítica genética presentaremos tres poemas inéditos de Miguel de Unamuno en los que domina el discurso metapoético. A pesar de no haber sido concebidos para su publicación y de que, en algunos casos, puedan resultar tan ...
Martínez-Deyros, M. (María)
core  

"La sensación de la soledad" en las Rimas de Bécquer (Aproximación a la poesía metafísica) [PDF]

open access: yes, 2000
In our article we try to approximate to the topic of Spanish romanticism and the cosmovision of Gustavo Adolfo Bécquer in particular. We evaluate the role of universal romantic symptom – the feeling of loneliness in Bécquer’s Rimas and observe how his ...
Balmain, Jacques Antoine   +9 more
core   +3 more sources

Charting a path to health: The empowering influence of self‐efficacy for the self‐management of type 1 diabetes in children and adolescents

open access: yesInternational Journal of Psychology, Volume 59, Issue 6, Page 1121-1132, December 2024.
Type 1 diabetes (T1D) in children and adolescents requires a lifelong commitment to disease control, which involves insulin treatment and constant blood glucose monitoring. Framed by Albert Bandura's self‐efficacy theory, we focused on analysing the impact of domain‐specific self‐efficacy for T1D control in children and adolescents and its relationship
Carmen Tabernero   +3 more
wiley   +1 more source

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