Results 81 to 90 of about 926,067 (244)

Derivados de Benzoacetonitrilos como inhibidores bacterianos [PDF]

open access: yes, 2013
71 P.La tendiente problemática generada por el fenómeno de resistencia mostrada por algunos microorganismos patógenos a humano de importancia clínica hace necesaria la búsqueda de nuevas sustancias químicas que sean capaces de suplir aquellas que ya han ...
Gutiérrez Cabrera, Margarita (Prof. Guía)   +1 more
core  

Cuenta de capitales y la regulación de derivados del mercado de divisas: la experiencia reciente de Brasil

open access: yes, 2015
B rasil es uno de los paises emergentes cuya moneda mostro una acentuada tendencia hacia la apreciacion hasta febrero del 2012. En este contexto, puede comprenderse la reciente instrumentacion de las regulaciones de la cuenta de capitales, llevada a cabo
Luiz Fernando de Paula   +1 more
semanticscholar   +1 more source

Mapping area of habitat for inland wetland species

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Area of habitat (AOH) maps provide a high‐resolution representation of the habitat available in a species’ range and can support conservation policy and planning processes. However, until recently, there was insufficient knowledge on the distribution of inland wetlands and freshwater biodiversity to develop AOH mapping methods specifically ...
Francesca A. Ridley   +17 more
wiley   +1 more source

VANTAGEM COMPARATIVA REVELADA NAS EXPORTAÇÕES DE LÁCTEOS

open access: yesColloquium Agrariae, 2017
É importante identificar o papel do Brasil dentro do mercado internacional, analisando a evolução da produção e competitividade dos produtos lácteos frente aos principais players mundiais.
Karina Aparecida dos Santos   +1 more
doaj   +2 more sources

Component of the unsaponifiable portion of olive oil with polarity between those of squalene and triterpenic alcohols

open access: yesGrasas y Aceites, 1992
In the unsaponifiable matter of refined olive oils and, frequently, virgin olive oils of bad quality, a new compound with polarity between those of squalene and triterpenic alcohols was isolated.
A. Lanzón   +3 more
doaj   +1 more source

Análisis de algunos instrumentos financieros [PDF]

open access: yes, 2019
Los productos derivados, instrumentos financieros cuyo valor deriva de la evolución de los precios de un activo, utilizados en un principio para cubrir pérdidas en las cosechas agrícolas, han ido en aumento para cubrir nuevos riesgos, pero también han ...
Barreiro Pérez, Sergio
core  

Padrões alimentares empiricamente derivados: interpretabilidade e validade de construto segundo diferentes métodos de rotação fatorial

open access: yes, 2015
Objetivou-se investigar os efeitos dos metodos de rotacao fatorial na interpretabilidade e validade de construto de padroes alimentares em uma amostra representativa de 1.102 adultos brasileiros.
Michelle Alessandra de Castro   +4 more
semanticscholar   +1 more source

Comparison of drone and ground surveys for the detection of a rare plant in a fragile ecosystem

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
We compared the accuracy, time, and financial costs of drone and ground surveys for the detection of wood lilies (Lilium philadelphicum) in an endangered alvar ecosystem. We found that the drone surveys detected 73%–78% of the plants found in the ground surveys, but that this type of survey was more expensive and time consuming than the ground survey ...
Ana Hernández Martínez de la Riva   +3 more
wiley   +1 more source

Derivados basados en el Ibex 35 [PDF]

open access: yes, 2016
Los productos derivados son activos financieros cuyo valor depende de otro activo, el llamado activo subyacente, en dicho trabajo el activo subyacente será el índice bursátil Ibex 35.
Montes Hoyos, Óscar
core  

Risks of Time and Chronology as an Underpinning Infrastructure for Critical Systems: Emerging Chronorisks and Chronosecurity Needs

open access: yesJournal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.
ABSTRACT Time and chronology form the invisible architecture upon which modern civilization depends, governing synchronization across markets, power grids, communication networks, transportation, and defense. Yet, this shared temporal framework, engineered through atomic clocks, satellites, and digital synchronization, faces growing vulnerabilities ...
Bilal M. Ayyub
wiley   +1 more source

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