Results 81 to 90 of about 130,832 (213)

Modelado de Caden as Cinemáticas mediante Matrices de Desplazamiento. Una alternativa al método de Denavit-Hartenberg

Revista Iberoamericana de Automática e Informática Industrial RIAI, 2012
En este trabajo se presenta un método para el modelado de cadenas cinemáticas de robots que salva las dificultades asociadas a la elección de los sistemas de coordenadas y obtención de los parámetros de Denavit-Hartenberg. El método propuesto parte del conocimiento de la posición y orientación del extremo del robot en su configuración de reposo, para ...
Barrientos Cruz, Antonio, Álvarez Fernández, Manuel, Hernández Vega, Juan David, Cerro Giner, Jaime del, Rossi, Claudio   +4 more
openaire   +5 more sources

Evaluating past and future contributions of conservation programs to species recovery

Conservation Biology, EarlyView.
Abstract Impact evaluation of conservation actions is a crucial step in global efforts to curb the biodiversity crisis. Through robust impact evaluation, practitioners can assess the effectiveness of conservation strategies and optimize the use of limited resources.
Rebeca E. Young, H. Resit Akçakaya, Elizabeth L. Bennett, Michael Hoffmann, Michael A. Hudson, Barney Long, Thalassa McMurdo Hamilton, Kelsey Neam, Megan A. Owen, Richard P. Young, Molly K. Grace   +10 more
wiley   +1 more source

Vygotski e Sartre: aproximando concepções metodológicas na construção do saber psicológico Vygotski and Sartre: approaching methodological conceptions in the construction of psychological knowledge

Psicologia & Sociedade, 2007
Para apontar contribuições metodológicas de Sartre e Vygotski à Psicologia, este artigo recupera as obras: "O significado histórico da crise da psicologia. Uma investigação metodológica" (Vygotski, 1996) e "Questão de método" (Sartre, 1960/1987).
Kátia Maheirie, Kelly Bedin França
doaj   +1 more source

<b>DESENVOLVIMENTO E VALIDAÇÃO DE MÉTODO ANALÃTICO PARA DETERMINAÇÃO DE -CAPROLACTAMA EM SIMULANTE DE ALIMENTOS GORDUROSOS</b>

Alimentos e Nutrição, 2009
<p align="justify">A -caprolactama é o monômero utilizado na fabricação da poliamida 6, empregada como embalagem de alimentos, especialmente produtos cárneos e queijos. Após a polimerização, parte do monômero pode permanecer na resina e posteriormente poderá migrar para o alimento com o qual entrará em contato.
J. S. FÉLIX, M. PADULA, J. E. MANZOLI, M. MONTEIRO   +3 more
openaire   +1 more source

Identificação molecular pelo método de Spoligotyping de estirpes do complexo Mycobacterium tuberculosis isoladas no Hospital Fernando Fonseca

Revista Portuguesa de Pneumologia, 2004
ABSTRACTSpoligotyping was used in the genotyping of 219 isolates of the Mycobacterium tuberculosis complex, from patients of the Hospital Fernando Fonseca. This technique, based on PCR methodology, analyses a region of the chromosome specific of the Mycobacterium tuberculosis complex, the DR locus (Direct Repeat).With the aid of an international ...
David, S, Portugal, C, Antunes, A, Cardoso, A, Calado, A, Barros, V, Sancho, L   +6 more
openaire   +3 more sources

Lessons from an eradication under multiple constraints of an island rat population of record density

Conservation Biology, EarlyView.
Abstract Invasive rats threaten island biodiversity, disrupting ecosystems and endangering native species. Although rat eradication has succeeded on many islands, tropical islands present unique management challenges. Strict regulations and financial constraints on some tropical islands further limit proven eradication methods, complicating rodent ...
Tatiane Micheletti, Thayná J. Mello, Carlos Verona, Vinícius P. O. Gasparotto, Ricardo Krul, Ricardo Araujo, Thali Sampaio, Paulo Rogerio Mangini   +7 more
wiley   +1 more source

Crítica de Xavier Zubiri al cientificismo. Un recorrido por las tres etapas que conformaron su camino filosófico

Pensamiento. Revista de Investigación e Información Filosófica
En este artículo se analiza en un primer momento la esencia de cientificismo y los presupuestos sobre los que se edifica y sostiene (ontológico, epistemológico y socio-antropológico de la historia).
Marcos Cantos Aparicio
doaj   +1 more source

Assessing the integration of social marketing principles in ivory demand management interventions in China and Southeast Asia

Conservation Biology, EarlyView.
Abstract Consumer demand for ivory perpetuates the unsustainable and illegal killing of African elephants and other wildlife species. Interventions that aim to change consumer behavior are increasingly recognized as a crucial element of demand management. However, poor design and implementation have limited their effectiveness.
Molly R. C. Brown, Victoria K. Wells, Colin M. Beale   +2 more
wiley   +1 more source

El Problema metodológico de la investigación contable: una fundamentación basada en los enfoques positivista e interpretativo.

UTC Prospectivas: Revista de Ciencias Administrativas y Económicas, 2019
El método es el componente de proceso investigativo que articula los fundamentos teóricos y empíricos para el alcance de los objetivos propuestos. En función de las características de las técnicas que lo conforman, éste puede presentar un carácter ...
Mariela Chango Galarza
doaj  

An integrated approach to balance freshwater connectivity restoration and invasion risk

Conservation Biology, EarlyView.
Abstract Habitat fragmentation negatively affects many native migratory fish populations. However, this fragmentation can also prevent the spread and establishment of invasive species. We modified the dendritic connectivity index (DCI), a commonly used freshwater connectivity metric, to account for multiple invasive dispersal pathways in estimates of ...
Alex Arkilanian, David Coté, Yolanda F. Wiersma, Richard Pither   +3 more
wiley   +1 more source