Results 101 to 110 of about 1,690,450 (191)

Técnicas de investigación de incendios : incendios de origen eléctrico [PDF]

, 2007
Los objetivos de este proyecto de fin de carrera, son los siguientes: a) Comprender la naturaleza y dinámica del fuego; b) Comprobar la utilidad de una serie de herramientas y técnicas (ensayos de ultrasonidos y compresión así como el empleo de la ...
Anero Cárcamo, Mario, Mora Aznar, Maria Teresa, Universitat Autònoma de Barcelona. Escola d'Enginyeria, Universitat Autònoma de Barcelona. Escola Tècnica Superior d'Enginyeria   +3 more
core  

Preyssler Heteropolyacids in the Self-Etherification of 5-Hydroxymethylfurfural to 5,5′-[Oxybis(methylene)]bis-2-furfural Under Mild Reaction Conditions [PDF]

, 2017
The synthesis of 5,5′-[oxybis(methylene)]bis-2-furfural (OBMF) from 5-hydroxymethylfurfural (5-HMF) was studied using bulk and alumina-supported Preyssler heteropolyacids (HPAs). The formation of OBMF was related to the amount of Brønsted acid sites, and
Afonso, Carlos A. M., Martínez, José J., Portilla Zúñiga, Omar Miguel, Páez, Alexander, Rojas, Hugo A., Romanelli, Gustavo Pablo, Sathicq, Angel Gabriel   +6 more
core   +1 more source

Exploring natural sunscreens: UVB protection and antioxidant properties in gadusol‐rich fish roes extracts

Photochemistry and Photobiology, EarlyView.
Gadusol‐rich extracts provide effective UVB protection and antioxidant activity in HaCaT cells and C. elegans, highlighting their potential as natural photochemoprotective agents for pharmaceutical and cosmetic applications. It also demonstrates remarkable in vitro antioxidant capacity and thermal stability over time.
Rocío Isla Naveira, Gabriela Hollmann, José María Monserrat, Ana Paula S. Votto, Julie Medeiros da Silveira, Andressa Mai Matsumoto, Lais Zortéa, Andy Joel Taipe Huisa, Agueda E. Massa, M. Sandra Churio   +9 more
wiley   +1 more source

Liftings of Nichols algebras of diagonal type I. cartan type A [PDF]

, 2016
After the classification of the finite-dimensional Nichols algebras of diagonal type[17,18], the determination of its defining relations[7,6], and the verification of the generation in degree-s1 conjecture[6], there is still one step missing in the ...
Andruskiewitsch, Nicolas, Angiono, Iván Ezequiel, Garcia Iglesias, Agustin   +2 more
core   +2 more sources

A Natural Language Processing Approach to Identifying Partisan Framing of Climate Change Denialism, Fatalism, and Solutions in US Congressional Speeches

Policy Studies Journal, EarlyView.
ABSTRACT This study examines the evolution of climate change discourse in the United States Congress from 1987 to 2017, employing natural language processing (NLP) techniques to analyze floor speeches. Using a la carte (ALC) word embeddings, we investigate how Democratic and Republican members of Congress frame climate change, focusing on denialist ...
Joseph Charles Van Matre, Isabel L. Krakoff, Allegra H. Fullerton   +2 more
wiley   +1 more source

Intra-regional classification of grape seeds produced in Mendoza province (Argentina) by multi-elemental analysis and chemometrics tools [PDF]

, 2018
The feasibility of the application of chemometric techniques associated with multi-element analysis for the classification of grape seeds according to their provenance vineyard soil was investigated.
Canizo, Brenda Vanina, Escudero, Leticia Belén, Pellerano, Roberto Gerardo, Pérez, María Belén, Wuilloud, Rodolfo German   +4 more
core   +1 more source

Beyond Political Control and Bureaucratic Protection: Public Appointments for the Formation of Programmatic Groups and Representative Bureaucracy

Review of Policy Research, EarlyView.
ABSTRACT Public appointments shape the top‐level bureaucracy by serving as a gateway for professionals with different profiles, chosen based on different criteria. In general, the literature has been more interested in analyzing appointments based on merit or sponsorship, based on verification of loyalty to the government or technical competence ...
André Vaz Lopes, Míriam Aparecida Mesquita Oliveira   +1 more
wiley   +1 more source

Transient glare: its effect on the lower threshold of motion [PDF]

, 2000
We measured the lower threshold of motion (LTM) of suprathreshold gratings as a function of spatial frequency and contrast, for both transient glare and no-glare conditions. A two alternatives forced choice paradigm, using the method of constant stimuli,
Barraza, Jose Fernando, Colombo, Elisa Margarita   +1 more
core   +1 more source

Assessing D‐Squame as a Minimally Invasive Technique to Evaluate the Cutaneous Immune Response mRNA in a Dog Model of Canine Atopic Dermatitis

Veterinary Dermatology, EarlyView.
ABSTRACT Background Canine atopic dermatitis (cAD) is a multifactorial, inherited skin disease, estimated to affect ≤ 15% of dogs. Studies of skin messenger mRNA in cAD currently use invasive methods, including blood sampling and biopsy collection, whilst advances in human atopic dermatitis study methodology have demonstrated reliable use of minimally ...
Xavier Langon, Marion Mosca, Nadège Milhau, Mélanie Legain, Adrien Idée, Didier Pin   +5 more
wiley   +1 more source

Tolerability and Feasibility of Minimally Invasive Canine Skin Sampling: Excellent Tolerability Meets Transcriptomic Challenges

Veterinary Dermatology, EarlyView.
ABSTRACT Background Advances in transcriptomics have driven the demand for minimally invasive, reproducible and high‐yield skin sampling methods, particularly for studying inflammatory skin diseases in companion animals. Hypothesis/Objectives We tested tolerability, feasibility and RNA quantity and quality of three minimally invasive skin sampling ...
Ina Herrmann, Lisa B. Mamo, Allison N. Dickey   +2 more
wiley   +1 more source