Results 31 to 40 of about 46,808 (259)

Metodología de investigación de Rocas Ornamentales: Granitos. [PDF]

open access: yes, 1989
Durante la realización del proyecto del IGME ·Potencial Básico de Granitos y Neises Ornamentales en Castilla y León se desarrolló una metodología sistemática de investigación de granitos para uso ornamental que, por su versatilidad, puede hacerse ...
Carrión Moles, F.   +6 more
core  

Contribución al estudio polínico de especies ornamentales: "Bignoniaceae" [PDF]

open access: yes, 1991
The pollen morphology of twelve species of the genera Campsis, Catalpa, Doxontho„lacaranda, Pandorea, Podranea, Pyrostegia„Spathodea,Tecoma and Tecomaria, usually cultivated in the Mediterranean Region are studied by light and scanning electron ...
Trigo-Perez, Maria del Mar
core   +4 more sources

Baseline Characteristics of Pristine Agricultural Pods Biochar

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The valorization of agricultural pod wastes into biochar offers a sustainable pathway for waste management and the development of functional carbonaceous materials. This study comparatively evaluates biochars produced from cocoa, flamboyant, and locust bean pods using an autothermal top‐lit updraft gasifier with retort heating, a system ...
Bolaji Ibrahim Busari   +8 more
wiley   +1 more source

El uso de mutágenos en el mejoramiento de germoplasma ornamental nativo

open access: yesOrnamental Horticulture, 2007
 Las plantas ornamentales representan un área de la agricultura cuyo mercado se caracteriza por ser muy exigente y ávido de novedades que responden a modas y gustos del momento, razón por la cual la generación de nuevos productos es una demanda ...
Marisol Alderete   +5 more
doaj   +1 more source

Análise de proveniência das contas verdes dos Perdigões [PDF]

open access: yes, 2010
A variscite é um mineral raro que oferece uma excelente opotunidade de estudo dos padrões de comércio e troca na Europa durante a Pré- História através da determinação da sua fonte de proveniência.
Hurtado Pérez, Víctor   +2 more
core  

3D anatomical atlas of the heads of male and female adult Chamaeleo calyptratus

open access: yesThe Anatomical Record, EarlyView.
The veiled chameleon is a model organism in reptile development research. Utilizing contrast‐enhanced microCT and deep learning segmentation models, we have generated the first digital atlases of the skull, nervous system, cranial muscles and hyolingual muscles.
Alice Leavey   +3 more
wiley   +1 more source

Hardening of the national flower of Colombia, the threatened Cattleya trianae (Orchidaceae), from in vitro culture with previous invigoration phase

open access: yesRevista de Biología Tropical, 2007
Cattleya trianae is an endemic species from the tropical rainforest in the Colombian Andes. Its survival is currently threatened due to habitat loss and commercial overexploitation.
Marcela Franco   +3 more
doaj  

New craniodental materials of Falcarius utahensis (Theropoda: Therizinosauria) reveal patterns of intraspecific variation and cranial evolution in early coelurosaurians

open access: yesThe Anatomical Record, EarlyView.
Abstract Despite documented ecomorphological shifts toward an herbivorous diet in several coelurosaurian lineages, the evolutionary tempo and mode of these changes remain poorly understood, hampered by sparse cranial materials for early representatives of major clades. This is particularly true for Therizinosauria, with representative crania best known
William J. Freimuth, Lindsay E. Zanno
wiley   +1 more source

Origen, introducción, reproducción, identificación molecular y flujo genético de especies acuáticas ornamentales transgénicas en el Perú: Una revisión

open access: yesCampus, 2019
A nivel hidrobiológico, el territorio peruano cuenta año tras año con más especies ornamentales de diferentes colores fluorescentes por oleadas de movimientos transfronterizos a pesar de una Ley de moratoria vigente. Desde la obtención de los primeros
Carlos Scotto
doaj   +1 more source

An osteohistological analysis of Triceratops (Ornithischia: Ceratopsidae) cranial ornamentation

open access: yesThe Anatomical Record, EarlyView.
Abstract Ceratopsids are among the most distinctive and well known extinct Cretaceous vertebrates, yet many details regarding the growth and composition of their cranial features are still not fully anatomically described or understood. In particular, striking cranial adornments such as the postorbital horns and parietal‐squamosal frill of Triceratops ...
Kyle D. Obuszewski   +2 more
wiley   +1 more source

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