Results 141 to 150 of about 2,041,912 (335)

Poner el cuerpo. La bioética pensada desde las víctimas y la crisis ambiental [PDF]

open access: yes, 2017
Este trabajo pretende contribuir con una reflexión sobre los sujetos involucrados en las tomas de decisionesbioéticamente vinculadas, en especial en la perspectiva de quienes han sido víctimas de sistemas, modelos deproducción e instituciones, no solo ...
Fonti, Diego Osvaldo   +2 more
core  

Tailoring Microstructure in Copper‐Based Conductive Metal–Organic Frameworks for Enhanced Chemiresistive Sensing and Uptake of Sulfur Dioxide

open access: yesAdvanced Functional Materials, EarlyView.
Precursor‐ and solvent‐mediated synthesis yields four Cu3(HHTP)2 morphologies with distinct physicochemical, sorption, and sensing properties toward SO2. Uptake capacities correlate with BET surface area, while sensing performance scales with particle aspect ratio.
Patrick Damacet   +5 more
wiley   +1 more source

Reducing Open‐Circuit Voltage Losses in Wide‐Bandgap FAPbBr3 Perovskite Solar Cells for Continuous Unassisted Light‐Driven Water Splitting

open access: yesAdvanced Functional Materials, EarlyView.
The combination of formamidinium thiocyanate and 1,3‐propane diammonium iodide for bulk and top‐surface passivation, and a ternary fullerene blend to improve energy band alignment, suppresses energy losses in wide‐bandgap FAPbBr3 perovskite solar cells.
Laura Bellini   +9 more
wiley   +1 more source

Representación social de la crisis ambiental

open access: yesPsicogente, 2013
Abstract The purpose of this research is to identify the content and the meaning of social representation of the increasing environmental crisis and to determine the ranges of knowledge, attitude and perception of plans, programs, projects and education in environmental education, in students of high school and higher education of Santa Marta city ...
Ubaldo Rodríguez de Avila   +1 more
openaire   +1 more source

Representaciones subyacentes de un mundo insustentable [PDF]

open access: yes, 2006
La relación entre la humanidad y la crisis ambiental, se encuentra en un punto de inflexión, con problemas que se manifiestan en los niveles local, regional y global.
Cornejo R., de Viana ML., Quintana M.
core  

Emergent Spin‐Glass Behavior in an Iron(II)‐Based Metal–Organic Framework Glass

open access: yesAdvanced Functional Materials, EarlyView.
A one‐pot, solvent‐free synthesis yields an Fe2+‐based metal‐organic framework (MOF) glass featuring a continuous random network structure. The material exhibits spin‐glass freezing at 14 K, driven by topological‐disorder and short‐range magnetic frustration, showcasing the potential of MOF glasses as a plattform for cooperative magnetic phenomena in ...
Chinmoy Das   +8 more
wiley   +1 more source

Desarrollo y Responsabilidad. ¿Posible conciliación?

open access: yesIdeas y Valores, 2022
En este artículo pretendemos analizar la posición de Hans Jonas en relación con las llamadas teorías del desarrollo, colocándolo entre los críticos de la idea de crecimiento, aunque no entre los tecnófobos.
Jelson Roberto de Oliveira
doaj  

Invirtiendo en capital natural: un marco para integrar la sostenibilidad ambiental en las políticas de cooperación [PDF]

open access: yes, 2008
Tomando en cuenta la magnitud de la crisis ambiental que afecta al planeta y los estrechos vínculos existentes entre la conservación de los ecosistemas y la lucha contra la pobreza, cabría preguntarse por qué los temas de protección del medio ambiente ...
González Novoa, José Antonio   +3 more
core   +2 more sources

Unraveling the Mg Loss Mechanism and Degradation Kinetics in Thermoelectric n‐Type Mg2Si‐Mg2Sn Solid Solutions

open access: yesAdvanced Functional Materials, EarlyView.
Mg‐based thermoelectrics are among the most promising candidates for power generation applications but their performance is compromised by Mg loss at device operation temperatures due to the higher chemical potential of Mg (μMg${\mu}_{\mathrm{Mg}}$) inside the material compared to the environment.
Aryan Sankhla   +2 more
wiley   +1 more source

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