Results 51 to 60 of about 1,067,995 (280)
The Canadian Journal of Chemical Engineering, EarlyView.Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal +3 more
wiley +1 more source
The Canadian Journal of Chemical Engineering, EarlyView.Abstract Several authors have reported the disconnection between the skills, abilities, and attitudes of graduates from STEM careers with the current needs of the labour market. In science and engineering fields, research has found the need for interdisciplinary approaches that encourage meaningful learning.
Úrsula Manríquez‐Tolsá +7 more
wiley +1 more source
El poblamiento ibérico en el Alto Guadiana [PDF]
, 2011 This paper presents the results of the recent research on the Iberian Iron Age sites conducted in the Upper Guadiana basin of the Ciudad Real province (Castilla-La Mancha).
García Huerta, Rosario +1 more
core +2 more sources
Can ISO/IEC 17025 serve as a tool to prevent scientific fraud in chemical research laboratories?
The Canadian Journal of Chemical Engineering, EarlyView.Abstract Scientific fraud has been documented across multiple disciplines, and chemistry is no exception. Recent studies indicate that contamination of materials, methodological errors, and unreliable data, results, or analyses account for over 25% of retracted publications.
Flor Monica Gutierrez‐Alcantara
wiley +1 more source
Aportaciones a la Flora de Sierra Morena (Ciudad Real, España) [PDF]
, 1999 GARCÍA Río, R. 1999. Contributions to the Siena Morena flora (Ciudad Real, Spain). Bot. Coniplutensis 23: 115-132. In this essay 50 taxa from the Sierra Morena (Ciudad Real, Spain) are included.
García Río, Ramiro
core +1 more source
Optimal dividends for a NatCat insurer in the presence of a climate tipping point
Canadian Journal of Statistics, EarlyView.Abstract We study optimal dividend strategies for an insurance company facing natural catastrophe claims, anticipating the arrival of a climate tipping point after which the claim intensity and/or the claim size distribution of the underlying risks deteriorates irreversibly.
Hansjörg Albrecher +2 more
wiley +1 more source
Case Reports in Cardiology, 2016 Endoscopic ultrasound is a diagnostic and therapeutic technique used in specialized centers for patients that have undergone digestive procedures. This technique enables highly precise real-time imaging of the digestive tract wall and surrounding organs.
Manuel Marina-Breysse +4 more
doaj +1 more source
Influence of Structural Stiffness and Loss Factor on Railroad Vehicle Comfort
Applied Sciences, 2021 This paper presents a new formulation for analyzing a beam on elastic supports traveling on irregular profiles. The model is a first approximation of a passenger railway vehicle car body.
Publio Pintado +5 more
doaj +1 more source
The macroecology of immunity: predominant influence of climate on invertebrate immune response
Ecography, EarlyView.The immune system is the primary defense against parasites. With the ever‐increasing rate of disease, epidemiologic models considering geographic variation in immune responses could prove useful. Despite increasing interest in the macroecology of parasitism and infectious diseases, we know little about the macroecology of immune responses (i.e ...
Adam Z. Hasik +9 more
wiley +1 more source
Archivos de Cardiología de México, 2023 Introducción: Han surgido dudas sobre la seguridad de los fármacos inhibidores del sistema renina-angiotensina (SRA) en pacientes con enfermedad por coronavirus 2019 (COVID-19).
Martín Negreira-Caamaño +7 more
doaj +1 more source