Results 61 to 70 of about 215,026 (234)
ESTRATEGIAS ACTIVAS DE APRENDIZAJE PARA CIENCIAS EXACTAS DEL BACHILLERATO GENERAL UNIFICADO (BGU).
En la educación existen dificultades para la correcta transmisión del conocimiento, se siente que dentro del currículo se desarrolla la aplicación de estrategias activas para el aprendizaje de Ciencias Exactas en el BGU, puesto que el maestro ecuatoriano está inmerso en algunos sectores dentro de la educación tradicional.
Nancy Guadalupe Morales Guevara +3 more
openaire +3 more sources
Herein, the topochemical transformation of cobalt‐based layered hydroxides into nanocomposites is investigated using advanced real‐time characterization techniques combined with thermogravimetric analysis. The study reveals how interlayer carboxylic acids direct the transformation pathway, highlighting the role of carbon content and anion length. These
Camilo Jaramillo‐Hernández +5 more
wiley +1 more source
New insights into the chemistry of thiolate-protected palladium nanoparticles [PDF]
This paper establishes the chemical nature of Pd nanoparticles protected by alkanethiolates that were prepared through a ligand place-exchange approach and the two-phase method, first developed for Au nanoparticles by Brust and Schiffrin.
Amaya, Edgar Gilberto +11 more
core +2 more sources
Estado Vital de la Materia. Su origen, su evolución y su futuro.
<p>En este artlculo se hacen algunas observaciones sobre un estado de la materia (estado vital), propuesto para reemplazar el de materia viva, que se usa habitualmente.</p><p>La materia en estado vital se organiza por una fuerza interna,
J. Hernando Ordoñez
doaj
The Major Soybean Allergen Gly m Bd 28K Induces Hypersensitivity Reactions in Mice Sensitized to Cow's Milk Proteins [PDF]
Reactions to soy have been reported in a proportion of patients with IgE-mediated cow’s milk allergy (CMA). In this work, we analyzed if Gly m Bd 28K/P28, one of the major soybean allergens, is a cross-reactive allergen with cow milk proteins (CMP).
Candreva, Ángela María +5 more
core +2 more sources
ABSTRACT Objectives Altitude shapes human morphology as highland populations must cope with cold and hypoxic environments. Although Andean highlanders have been proposed to exhibit larger and deeper ribcages, this idea is mainly based on research using disarticulated skeletal elements or non‐South American controls. The objective of this research is to
J. M. López‐Rey +9 more
wiley +1 more source
CC and NC pion production [PDF]
The disappearance searching experiments nu_mu ---> nu_x use charged current quasielastic (CCQE) reaction to detect an arriving neutrino and reconstruct its energy, while the CC1 pi^+ production can mimic the CCQE signal process.
Barbero, César Alberto +2 more
core +2 more sources
Revision of Manettia (Rubiaceae) in Paraguay
Manettia Mutis is a Neotropical genus comprising over 100 species, many of which are only known from their original descriptions or, at most, from revisions dating back over 100 years. Recent review studies have remained unpublished for several years. Conventional taxonomic methods are followed.
Silvana Yasmin Gauto +2 more
wiley +1 more source
Se aborda la discusión que se ha dado entre las ciencias exactas y humanas, a partir del escándalo provocado por el físico Alan Sokal, y se destaca la necesidad de desarrollar un proyecto científico técnico que unifique ciencias y humanidades.
Antonio Arellano Hernández
doaj
On the boundedness of some nonlinear differential equation of second order [PDF]
In this paper we study the boundedness of the solutions of some nonlinear dofferential equation using as a key tool the Second Lyapunov method, i.e. find sufficient conditions under which the solutions of this equation are bounded.
Guzmán, Paulo Matias +2 more
core

