Results 81 to 90 of about 1,281,932 (204)

Futuros ingenieros híbridos [PDF]

open access: yes, 2004
Por si pueden servirnos de espejo, los resultados generales de la encuesta 2004 IEEE Engineer/Technology Professional Survey parecen mostrar que los ingenieros y estudiantes de ingeniería americanos de nuestro ramo forman un colectivo de personas muy ...
Sáez Vacas, Fernando
core   +1 more source

“Humanizar”: aprendizajes sobre alteridad, salud y futuro en una experiencia de investigación compartida

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT The visit to Bogotá of a fééeneminaa (Muinane) friend, Célimo Nejedeka Jifichíu, and in particular, his work in researching and transmitting traditional health knowledge, offer the pretext to navigate the relationship between elements that at first glance seem distant from each other: indigenous imaginaries about otherness, their visions of ...
Giovanna Micarelli
wiley   +1 more source

Derivados basados en el Ibex 35 [PDF]

open access: yes, 2016
Los productos derivados son activos financieros cuyo valor depende de otro activo, el llamado activo subyacente, en dicho trabajo el activo subyacente será el índice bursátil Ibex 35.
Montes Hoyos, Óscar
core  

Political Cycles, Electricity Policy, and Mexico's Economy

open access: yesLatin American Policy, Volume 17, Issue 2, June 2026.
ABSTRACT Electricity reform in Mexico should stimulate economic growth, improve energy efficiency, and reduce greenhouse gas emissions. This article evaluates the successes and failures of reform and draws lessons across political cycles by analyzing changes in political dynamics—often tied to policy reversals—and the legal framework during the pro ...
David Bonilla
wiley   +1 more source

Arbuscular Mycorrhiza Modulates Iron Distribution and Vacuolar Iron Transporter Expression in Tomato, Whereas Iron Limitation Reduces Mycorrhization

open access: yesPlant, Cell &Environment, Volume 49, Issue 6, Page 3290-3305, June 2026.
ABSTRACT Plants have evolved highly efficient strategies to maintain iron (Fe) homeostasis. In this study, we investigate the impact of arbuscular mycorrhizal (AM) symbiosis on the Fe‐deficiency response and ionomic profile of tomato plants, as well as how Fe availability affects AM symbiosis.
Víctor M. López‐Lorca   +3 more
wiley   +1 more source

IS THE MARKET OVER-OPTIMISTIC ABOUT THE PROSPECTS OF FIRMS THAT ISSUE EQUITY? EVIDENCE FOR THE SPANISH MARKET [PDF]

open access: yes
Previous evidence has documented that equity issuers underperform in the long-run. One possible explanation is that investors have overoptimistic expectations regarding future earnings and the underperformance occurs as these expectations are corrected ...
Juan Carlos Gómez Sala   +1 more
core  

Comparative Assessment of Freshwater Biodiversity in Los Morales Reservoir (Madrid) Using eDNA Collected From Sponges and Water Filtration

open access: yesEnvironmental DNA, Volume 8, Issue 3, May‐June 2026.
Filters and freshwater sponge tissue recover a comparable number of taxa through eDNA metabarcoding. Filters detect more taxa, followed by sponge tissue when host‐blocking primers are used. Each method reveals different community compositions, so combining both approaches is recommended to achieve a more realistic representation of the metazoan ...
Andrea Corral‐Lou   +8 more
wiley   +1 more source

4D Printable Formulations of Mixed Low and High Molecular Weight Liquid Crystalline Units: A Versatile Route to Functional Soft Actuators

open access: yesMacromolecular Rapid Communications, Volume 47, Issue 9, 5 May 2026.
This work presents a practical approach for formulating 4D printable inks that incorporates substantial fractions of low molecular weight mesogens. By blending low molecular weight diacrylate or monoacrylate constituents with a high molecular weight main‐chain macromer, the resulting mixture proves suitable for direct ink writing, enabling mechanical ...
Lorena Ceamanos   +5 more
wiley   +1 more source

Las competencias emocionales de los futuros profesores/as [PDF]

open access: yes, 2002
La función del educador se realiza en contextos sociales interactivos, en los que la dimensión emocional constituye un eje central. Es por ello que el profesado requiere de unas buenas competencias emocionales.
Abarca, Mireia, Sala Roca, Josefina
core   +1 more source

Structural Features of Highly Bioactive Citrus IntegroPectin Revealed by X‐Ray Diffraction, Fourier Transform Infrared, and Nanoparticle Tracking Analysis

open access: yesChemistryOpen, Volume 15, Issue 5, May 2026.
Structural investigation of lemon, orange, and red orange IntegroPectin using X‐ray diffraction, infrared spectroscopy, and nanoparticle tracking analysis unveils several structural nuances of relevance to forthcoming studies on the use of citrus IntegroPectin for therapy and prevention of numerous diseases.
Rosaria Ciriminna   +11 more
wiley   +1 more source

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