Results 71 to 80 of about 198,243 (266)

Citometria de fluxo, concordância e reprodutibilidade, com utilização de diferentes métodos de colheita

open access: yesRevista Portuguesa de Pneumologia, 2000
ABSTRACTThe determination of the DNA content of the lung cancer cells using flow cytometry has had inconsistent results depending the investigation in spite of the apparent similarity of the procedures. These anecdotal results had been attributed to the errors related with the procedure itself and with the sampling methodology.
V. Espanhol   +3 more
openaire   +2 more sources

Entre lo que los usuarios dicen y lo que hacen: métodos de investigación UX más útiles para evaluar la calidad web

open access: yesAnuario ThinkEPI, 2023
Analysing user experience (UX) is a key factor in evaluating website quality. There are 20 methods for this purpose that, through qualitative or quantitative perspectives, examine people’s attitudes, behaviours or context of use. However, for different economic or practical reasons, this type of study is usually less utilized than heuristic evaluations.
openaire   +1 more source

When and why to give shorebirds a head start

open access: yesConservation Biology, EarlyView.
Abstract Headstarting is a translocation technique involving the hatching or rearing of wild eggs or young in captivity and the release of those individuals back to the wild at or before independence. It has been trialed as a conservation intervention for shorebirds over recent decades to improve the population trend of target populations by increasing
Lynda Donaldson   +4 more
wiley   +1 more source

Comparação na avaliação microbiológica de dois desinfetantes de uso doméstico no Brasil pelos métodos recomendados pela AOAC e ECN

open access: yesVigilância Sanitária em Debate, 2014
Os produtos desinfetantes para superfícies são considerados uma ferramenta da população para prevenção de infecções de natureza domiciliar. Modificações na legislação brasileira em 2007 permitiram a utilização de diferentes metodologias para a avaliação da qualidade microbiológica desses produtos, resultando na necessidade de um maior ...
Rodrigo Rollin Pinheiro   +5 more
openaire   +5 more sources

In vitro culture, cryopreservation, and field reintroduction of the endangered Mingan thistle

open access: yesConservation Biology, EarlyView.
Abstract Current plant conservation efforts are hindered by, for example, poor seed germination, low viability, and insufficient propagation and preservation technologies. To address these problems, we devised an approach to plant conservation that integrates conservation, preservation, and restoration (CPR), which uses advanced in vitro techniques. We
Mukund R. Shukla   +4 more
wiley   +1 more source

Evaluating past and future contributions of conservation programs to species recovery

open access: yesConservation 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   +10 more
wiley   +1 more source

INFLUENCIA DEL TIPO DE MÉTODO EN LOS RESULTADOS DE LA VALORACIÓN DE PUESTOS

open access: yesRevista Galega de Economía, 2018
En la actualidad, son numerosas las organizaciones que se plantean: ¿realmente es necesario valorar los puestos de trabajo? y, en caso afirmativo, ¿cuál es el método más adecuado para mi organización?, ¿es mejor un sistema diseñado ad hoc o uno comercial?
openaire   +1 more source

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

open access: yesRevista 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   +4 more
openaire   +5 more sources

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

open access: yesConservation 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   +7 more
wiley   +1 more source

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

open access: yesAlimentos 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   +3 more
openaire   +1 more source

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