Results 71 to 80 of about 31,748 (153)
Policy Studies Journal, EarlyView.ABSTRACT The social construction of target populations (SCTP) framework emphasizes the ways in which target populations' levels of political power and deservingness shape the allocation of policy benefits, but less attention has been devoted to the conditions under which the same target population may be considered deserving in one policy context but ...
Elizabeth Bell +3 more
wiley +1 more source
Issue Attention in Public Opinion Polls: Pollsters as Agenda Responders and Agenda Setters
Policy Studies Journal, EarlyView.ABSTRACT Polling organizations, like other policy actors, must prioritize certain issues. We argue that, for normative and financial reasons, pollsters prioritize issues that are viewed as important by other institutions and the public, leading them to focus survey questions on issues that are on congressional and media agendas, and which are public ...
Qian Zhang +2 more
wiley +1 more source
Catalizadores de níquel para la deshidrogenización de isopropanol a acetona
Ingeniería e Investigación, 1982 Se prepararon catalizadores de óxido de níquel soportados en sílica-gel y alúmina, por los métodos de impregnación, precipitación y coprecipitación. También se estudió el efecto de la adición de estaño como promotor.
Guillermo Peña G. +3 more
doaj
Hornos de reducción de cobre y bronce en la Pre y Protohistoria de la Península Ibérica
Trabajos de Prehistoria, 1996 En este trabajo se presentan las características principales de los hornos de reducción de minerales de cobre y estaño, cotejadas por vez primera con el estudio analítico de restos metalúrgicos hallados en la Península Ibérica desde el Calcolítico hasta ...
Pablo Gómez Ramos
doaj +1 more source
Compliance in Regulatory Gray Areas: The Case of the Organic Seed Standard
Policy Studies Journal, EarlyView.ABSTRACT Adaptive regulations, designed to balance flexibility with accountability, can embed provisions that unintentionally leave room for firms to shirk on their responsibilities by exploiting flexibility. We call these provisions “regulatory gray areas,” and ask: how should we understand (non‐)compliance in adaptive regulatory settings?
Liza Wood +3 more
wiley +1 more source
Efecto del lavado con etilendiamina sobre las propiedades de las nanopartículas de óxido de estaño
Boletín de la Sociedad Española de Cerámica y Vidrio, 2007 Tin oxide, is a compound used in many technological applications among them as gas sensor and in the production of varistors, electronic devices, electrocatalitic electrodes and fotovoltaic cells, among others.
Montenegro Hernández, A. +2 more
doaj
Educación Química, 2015 Los sensores semiconductores de dióxido de estaño, representan una opción atractiva para la detección de gases en aire debido a su simplicidad y bajo costo. Esto sumado a la necesidad de contar con una interfaz con el computador para su puesta en marcha,
Alejandro Delgado-Castro +1 more
doaj +1 more source
Policy &Internet, Volume 18, Issue 2, June 2026.ABSTRACT AI‐generated images have become so good in recent years that individuals often cannot distinguish them from ‘real’ images. This development, combined with the rapid spread of AI‐generated content online, creates a series of societal risks. Watermarking, a technique that involves embedding information within the content to indicate their AI ...
Bram Rijsbosch +2 more
wiley +1 more source
Óxidos de estaño: nuevos ánodos para baterías de Ion-Litio
Boletín de la Sociedad Española de Cerámica y Vidrio, 1999 The electrochemical reaction between Li and tin-based compounds, is reversible and takes place at low potentials measured against the Li electrode. This feature allows the use of these materials as negative electrodes in the manufacturing of Li-ion ...
Morales, J., Sánchez, L.
doaj
Prevalence of Angiostrongylus cantonensis in definitive and intermediate hosts collected from agricultural areas in Ampayon, Butuan City, Southern Philippines. [PDF]
J Parasit Dis, 2023 Estaño LA.
europepmc +1 more source