Results 21 to 30 of about 189,339 (170)

Segurança viária de túneis rodoviários

open access: yesRevista Transporte y Territorio, 2023
A construção de túneis rodoviários é uma das soluções mais adequadas quando os trechos da estrada são de alto declive e traz diversos benefícios ambientais e econômicos.
Victor Delegrego   +4 more
doaj   +1 more source

Propostas de análise musical multimétodo (I) aplicação de procedimentos estatísticos como ferramentas pré-analíticas

open access: yesDAPesquisa, 2018
O principal intuito deste artigo é apresentar uma atitude metodológica perante a análise musical que ora chamamos de “análise multimétodo”, a qual consiste em evitar qualquer tentativa de se legitimar uma abordagem analítica a priori.
COMUS Grupo de pesquisa em composição musical da UFJF
doaj   +1 more source

White and whole wheat flour breads: composition and simultaneous exposure to group B trichothecenes

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND The study aimed to determine the profile of group B trichothecenes (TCTBs), to estimate the daily exposure to them and to evaluate the relationship with the composition of different types of sliced wheat bread. A method for simultaneous determination of the TCTBs (deoxynivalenol (DON), 3‐acetyl‐deoxynivalenol, 15‐acetyl ...
Andressa Cunha Lemos   +4 more
wiley   +1 more source

Inferencia estatística [PDF]

open access: yes, 2013
Titulación: Grao en Enxeñaría Informática -- Materia: EstatísticaAs bases da probabilidade e a estatística, segundo a Association for Computing Machinery e a IEEE Computer Society, subxacen aos conceptos de fiabilidade, seguridade e dependencia, factores
Crujeiras Casais, Rosa María
core  

Almost Periodicity on Isolated Time Scales and Applications

open access: yesMathematische Nachrichten, EarlyView.
ABSTRACT In this work, we formulate a generalized definition of almost periodicity for functions defined on isolated time scales. The introduced definition is consistent with the known formulations in the discrete and quantum calculus settings. We state two different definitions of almost periodicity and we show their relation.
Martin Bohner   +2 more
wiley   +1 more source

A laboratory for Latin eugenics: the Italian Committee for the Study of Population Problems and the international circulation of eugenic knowledge, 1920s-1940s

open access: yesHistória, Ciências, Saúde: Manguinhos
The aim of this article is to shed light on the rise to international prominence of the Italian statistician and eugenicist Corrado Gini and his appointment as the inaugural president of the Latin International Federation of Eugenic Societies in October ...
Luc André Berlivet
doaj   +1 more source

Brown–Proschan Repair Policy for Repairable Systems Using the Discrete Weibull Failure Distribution and Markov Chains

open access: yesQuality and Reliability Engineering International, EarlyView.
ABSTRACT A repairable system operates under a maintenance strategy involving scheduled preventive maintenance (PM) and corrective repair actions following failures. This study develops an exact analytical methodology using Markov chains with discrete states and time to calculate the expected number of failures E[N(t)]$\mathop {\mathbb {E}}[N(t)]$ under
Danilo G. O. Valadares   +3 more
wiley   +1 more source

Expansion of the Brazilian Sugarcane Bioenergy System Promotes Greenhouse Emission Reductions and Sustainable Development Without Compromising Food Security

open access: yesSustainable Development, EarlyView.
ABSTRACT The growing global demand for biofuels has raised concern about compromising food security. This study uses two independent economy‐wide models to evaluate the impact of expanding the Brazilian sugarcane bioenergy system on economic growth, social outcomes and food security.
Angelo C. Gurgel   +6 more
wiley   +1 more source

Demand‐Driven Location of Repair Activities and the Local Distribution of the Circular Economy

open access: yesSustainable Development, EarlyView.
ABSTRACT This paper explores the territorial embeddedness of repair at the local and regional level, which is part of the relatively understudied regional circular economy. This study involves the analysis of the dispersion of repair employment compared to other economic sectors as well as the degree of connection of repair activities to other economic
Francisco López‐Bermúdez   +1 more
wiley   +1 more source

Voces da Estatística e da Investigación de Operacións [PDF]

open access: yes, 2020
O 20.10.2020 se celebra o día Mundial da Estatística. A Sociedade Galega para a Promoción da Estatística e da Investigación de Operacións (SGAPEIO) se quere sumar a eses actos e por iso deseñou e enviou un breve cuestionario a persoas do ámbito ...
Ginzo Villamayor, María José   +1 more
core  

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