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Mostrando ítems 201-210 de 215
Hidrocoria en semillas de Agave victoriae-reginae T. Moore, especie en peligro de extinción: Morfología y anatomía como facilitadores de la hidro-dispersión y germinaciónHydrochory in seeds of Agave victoriae-reginae T. Moore endangered species: Morphology and anatomy as facilitators of hydro-dispersion and germination
(2017)
"Agave victoriae-reginae es una especie endémica del Desierto Chihuahuense y crece sobre paredes en cañones. Posee semillas aplanadas que pueden ser dispersadas durante eventos episódicos de inundación. La presente ...
Efecto de la densidad de semillas en la germinación de tres especies del género Astrophytum (Cactaceae)Effect of seed density in the germination of three species of Astrophytum (Cactaceae)
(2013)
"Se colectaron frutos de poblaciones naturales de Astrophytum capricorne, A. myriostigma y A. ornatum en Coahuila, Durango e Hidalgo, respectivamente, con el objetivo de evaluar el efecto de la agrupación de semillas en ...
Modeling the disintegration process in anaerobic digestion of tannery sludge and fleshing
(2017)
"Mathematical modeling of anaerobic digestion (AD) is widely acknowledged as a powerful tool to v of the process and to support full-scale plant design, operation and optimization. In this work, a modified version of the ...
Tissue carbon concentration of 175 Mexican forest species
(2017)
"Reliable calculations of carbon stocks in forest ecosystems are crucial for proper implementation of global warming mitigation policies. Accurate estimations depend upon applying the correct factor of carbon (C) concentration for ...
Efecto de la concentración de PVA y DVB en el tamaño de particula de estireno sintetizado por el metodo de polimerización en suspensión y su posible uso como soporte de nanopartículas de ZnOEffect of the concentration of PVA and DVB in the particle Size of polystyrene sintetized via suspension polimerizacion and their possible use as vehicle of ZnO nanoparticles
(2017)
"El óxido de zinc (ZnO) es muy material con una gran cantidad de aplicaciones, se sabe que posee propiedades antibacterianas
y es capaz de degradar tintes azo-derivados, como lo es el azul de metileno. Aun así, su escala ...
Ecotono del límite superior del bosque de Pinus hartwegii Lindl.: estructura y límites altitudinales en el Nevado de Toluca, MéxicoPinus hartwegii Lindl. treeline ecotone: structure and altitudinal limits at Nevado de Toluca, Mexico
(2017)
"Introduction: Treeline ecotone complexity might function as a barrier to altitudinal migration of Pinus hartwegii Lindl. Objectives: P. hartwegii forest structure was characterized through its treeline ecotone at Nevado ...
Study of the effect of the dispersion of functionalized nanoparticles TiO2 with photocatalytic activity in LDPE
(2016)
"A photodegradable Low Density Polyethylene-Titanium dioxide (LDPE-TiO2) nanocomposite film was prepared, and its evaluation considers the partial modification of the surface of the particle using Hexadecyltrimethoxysilane ...
Effect of induced global warming on survival and performance of succulent species from Southern Chihuahuan Desert
(2016)
"Numerous ecological studies have assessed the potential consequences of climate warming within several ecosystems worldwide. However, the impact of global warming on desert plants is still little studied. Most predictions ...
Are seed mass and seedling size and shape related to altitude? Evidence in Gymnocalycium monvillei (Cactaceae)
(Canadian Science Publishing, 2015)
"Several studies reported a negative relationship between altitude and seed mass. In cactus species, seed mass has been also related to seedling morphology (size and shape). Here we studied Gymnocalycium monvillei (Lem.) ...
Role of the intrinsic properties of partially reduced graphene oxides on the chemical transformation of iopromide
(Elsevier, 2016)
"The role of the intrinsic properties of graphene oxide (GO) and partially reduced graphene oxide (rGO), and their use as redox mediator (RM) is reported, for the first time, on the chemical transformation of iopromide ...