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en línea
Blanca Luz Caleño Ruíz, Gustavo Morales-Liscano     Pág. 67 - 82
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Revista: Colombia Forestal    Formato: Electrónico

 
en línea
Valeria Viera-Escareño, Eugenio Perez-Molphe Balch, Yenny Adriana Gómez-Aguirre, Oscar Javier Ramos-Herrera, Gholamreza Abdi, Francisco Cruz-Sosa and Emmanuel Cabañas-García    
One of the distinctive characteristics of cacti species is the presence of alkaloids. Alkaloids are nitrogenated molecules with hallucinogenic and pharmacological properties in humans and other animals. Plant cell, tissue, and organ culture have emerged ... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Stephan J. Hauser    
In the early days of the petroleum industry, oil infrastructure had a short lifespan. Individuals were creating their own company and competing with others, without the financial means of current great companies. Many oil facilities were established in p... ver más
Revista: Urban Science    Formato: Electrónico

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