Results 61 to 70 of about 97,829 (242)
Analysis of a Mathematical Model of Marital Satisfaction
ABSTRACT A large number of marriages end in divorce. In this paper, we present a model for the emotional state of a couple based on bilinear ordinary differential equations. We study the effect of changes of each individual's self‐emotional state on the couple's state.
Benito Chen‐Charpentier +2 more
wiley +1 more source
“Logias masónicas en la Nueva España”
Este artículo busca mostrar que en la Nueva España hubo logias masónicas autorizadas por la Gran Logia del Estado de Louisiana para ser establecidas en Veracruz, Campeche y Mérida Yucatán entre 1816 y 1820. La evidencia documental se presenta por primera
Carlos Francisco Martínez Moreno
doaj
El loxoscelismo es ocasionado cuando el veneno dermonecrótico producido por las arañas del género Loxosceles, conocidas como “arañas violinistas”, ingresa al organismo de una persona a través de su mordida. En México ocurre un subregistro de los casos de
Daly Martínez-Ortiz +8 more
doaj +1 more source
Caracterización química y cuantificación del rendimiento de extracción de pigmento en siete accesiones mexicanas de Bixa orellana [PDF]
Achiote (Bixa orellana) is a plant used for obtaining a natural dye rich on carotenoids (mainly bixin and norbixin); it is also the plant species with the highest content of tocotrienols in nature.
Asis, Ramón +7 more
core
Diffusion Of Indigo Molecules Inside The Palygorskite Clay Channels [PDF]
The search for durable dyes led several past civilizations to develop artificial pigments. Maya Blue (MB), manufactured in pre-Columbian Mesoamerica, is one of the best known examples of an organic-inorganic hybrid material.
Anne, Michel +8 more
core +4 more sources
Does Carbon Intensity Affect the Cost of Equity? An Empirical Study From Mexico
ABSTRACT Climate change poses significant risks for companies, particularly in emerging countries like Mexico, where sustainability perceptions are evolving. This study analyzes how carbon emissions affect the cost of equity capital (CoE) for Mexican firms.
Guillermo Pérez‐Elizundia +2 more
wiley +1 more source
La confrontación por la abolición del estanco de aguardiente en Yucatán, 1781
En Yucatán se estableció un estanco de aguardiente para apoyar el sostenimiento de los cuerpos militares. Se autorizó la destilación en toda la provincia, cuyo producto fue comercializado a través de puntos de venta distribuidos a lo largo de su ...
Gabriela Sofía González Mireles
doaj +1 more source
Rapid evolution of chemosensory receptor genes in a pair of sibling species of orchid bees (Apidae: Euglossini). [PDF]
BackgroundInsects rely more on chemical signals (semiochemicals) than on any other sensory modality to find, identify, and choose mates. In most insects, pheromone production is typically regulated through biosynthetic pathways, whereas pheromone sensory
Brand, Philipp +5 more
core +3 more sources
New Record of Aedes albopictus In A Suburban Area Of Merida, Yucatan, Mexico.
A survey was carried out in 51 households within a suburban area of Merida, Yucatan, Mexico, for 5 consecutive days. Adult collections were performed using Prokopack aspirators (indoors) and human-landing mosquito catches (HLC) outdoors, and larval sites
Y. Contreras-Perera +6 more
semanticscholar +1 more source
The predatory behavior of ants: an impressive panoply of morphological adaptations
This review focuses on predation in ants, showing the wide diversity of cases from solitary foraging to group hunting tactics, as well as the evolution of mandible shape frequently adapted to capture specific prey. Although most ants are generalist feeders, finding their sugary substances directly on plants or indirectly via sap‐sucking insects, some ...
Alain Dejean +6 more
wiley +1 more source

