Results 51 to 60 of about 946,714 (224)

Un continuo retorno [PDF]

open access: yes, 1992
1 archivo PDF (9 páginas); incluye ilustraciones en blanco y negro. fhquattuorComentarios acerca de la novela, "Las vueltas del tiempo" de Agustín Yáñez, a la que la crítica le ha concedido poca importancia por razones políticas y o por considerarla una ...
Marquet, Antonio
core  

CBr4‐Mediated Metal‐Free Sulfonamide Synthesis: A Comparative Study Under Batch, Continuous‐Flow and Ultrasonic Conditions

open access: yesAsian Journal of Organic Chemistry, Volume 15, Issue 4, April 2026.
A practical and efficient CBr4‐mediated metal‐free route for sulfonamide synthesis is presented under batch, ultrasonic, and continuous‐flow conditions. The protocol demonstrates excellent substrate scope, reduced reaction times, and mild operating conditions, highlighting a scalable alternative to traditional iodine‐mediated methods in modern ...
Alageswaran Jayaram   +6 more
wiley   +1 more source

Roy Eric Johnston, November 20, 1988 [PDF]

open access: yes, 1988
This is the concert program of the Roy Eric Johnston performance on Sunday, November 20, 1988 at 2:00 p.m., at the Marshall Room, 855 Commonwealth Avenue, Boston, Massachusetts.
School of Music, Boston University
core  

estar: An R package to measure ecological stability

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 4, Page 1090-1100, April 2026.
Abstract Assessing ecological stability is a key task in biodiversity monitoring and conservation. Quantifying stability is not trivial because its different aspects can be measured with various properties. However, to date, no software enables measuring different stability properties on ecological time‐series data.
Ludmilla Figueiredo   +6 more
wiley   +1 more source

Baroque Chamber Music Concert, Thursday, December 14, 2000 [PDF]

open access: yes, 2000
This is the concert program of the Baroque Chamber Music Concert performance on Thursday, December 14, 2000 at 8:00 p.m., at the Marshall Room, 855 Commonwealth Avenue, Boston, Massachusetts. Works performed were Trio Sonata in D major for Violin, Cello,
School of Music, Boston University
core  

Building trust with marginalized communities in participatory acoustic monitoring through dynamic consent

open access: yesConservation Biology, Volume 40, Issue 2, April 2026.
Abstract There exists a growing suite of technologies that support significant and exciting progress in biodiversity conservation and research. Citizen scientist participation is common in this research and often focuses on data collection and labeling.
Joycelyn Longdon   +5 more
wiley   +1 more source

Making Holes in the Second Symmetric Products of Dendrites and Some Fans

open access: yesCiencia Ergo Sum, 2012
Sea X un continuo métrico tal que el segundo producto simétrico de X, F2(X) es unicoherente. Sea A E F2(X), A se dice que hace un hoyo a F2(X), si F2(X) - {A} no es unicoherente. En este artículo, caracterizamos a los elementos A E F2(X) tales que A hace
José G. Anaya   +2 more
doaj  

Baroque Chamber Music Concert, March 31, 1994 [PDF]

open access: yes, 1994
This is the concert program of the Baroque Chamber Music Concert on Thursday, March 31, 1994 at 8:00 p.m., at the Concert Hall, 855 Commonwealth Avenue. Works performed were Deuxième Récréation de Musique, Op.
School of Music, Boston University
core  

basso continuo

open access: yes, 2022
Ital. für: fortlaufender, ununterbrochener Bass; deutsch: Generalbass; zentrales Element der Musik von 1600 bis 1800, v. a.
Straub, Wolfgang   +2 more
openaire   +1 more source

Optimization of the Binary System—Chlorella vulgaris and Yeast Protein Extract—To Stabilize Vegan Sustainable Mayonnaise

open access: yesJournal of Food Process Engineering, Volume 49, Issue 4, April 2026.
This assessment offers a vegan alternative to condiments by the substitution of egg fraction with a binary system composed of microalgae Chlorella vulgaris and Saccharomyces cerevisiae protein extract. Incorporation ratios were statistically predicted by means of Response Surface Methodology following a Central Composite Design. Responses were analyzed
Pedro Coelho   +3 more
wiley   +1 more source

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