Results 31 to 40 of about 6,667 (146)
Trends and Limitations of Lignin as a Starting Material
BioResources, 2023 This editorial envisions a future in which greater value is obtained from technical lignins. The currently available amounts of such lignins are immense, and the costs are often in line with lignin’s fuel value.
Laura G. Covinich, Maria Cristina Area
doaj +2 more sources
FibersThree-dimensional (3D) printing based on polymers reinforced with lignocellulosic components is an accessible and sustainable technology. Cellulose-based byproducts from industry, as well as crops, food, and forestry wastes, represent potential resources
Nanci Ehman +4 more
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Anuario de Arqueología, 2022 El estudio de fuertes y fortines de la frontera Sur y Costa Sur tiene larga data dentro de la arqueología histórica bonaerense aportando una mirada novedosa, crítica e integradora desde diversas fuentes de información.
Vanesa N. Bagaloni +4 more
doaj
Infectious Diseases in Obstetrics and Gynecology, Volume 7, Issue 5, Page 237-243, 1999., 1999 Objective: To assess the prevalence and potential risk factors associated with human papillomavirus (HPV) cervical infection among women residing in a region of northeastern Argentina with a high incidence of cervical cancer. Methods: A case‐control study of 330 women participating in a cervical cytological screening program conducted in Posadas city ...
S. A. Tonon +8 more
wiley +1 more source
La ciencia en las expediciones de límites hispano-portuguesas. Su proyección internacional [PDF]
, 1992 Amparándose bajo la hipótesis del proyectismo ilustrado, se pasa revista a los resultados de las expediciones españolas y portuguesas en el territorio americano, consecuencia de los tratados de demarcación de 1777.
Sala Català, José
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Orden y ambigüedad en la formación territorial de Río de la Plata a fines del siglo XVIII
Horizontes Antropológicos, 2003 Por mucho tiempo la heterogénea población que habitaba la región Río de la Plata, en las fronteras entre España y Portugal, hacia fines del siglo XVIII fue asociada con la barbarie.
Guillermo Wilde
doaj +1 more source
A contribution to the checklist of fishes of San Luis province, Argentina [PDF]
, 2015 San Luis province presents arheic and endorheic basins that are poorly understood in terms of their ichthyological composition. The samples taken recently from the main basins of this province have yielded data of undisputed biogeographic value for the ...
Bogan, Sergio +5 more
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José Nicolás de Azara a Barcelona. Promotor d’edicions literàries durant i entre les seves dues ambaixades a París (1798-1799, 1800-1803) [PDF]
, 2010 José Nicolás de Azara estuvo en Barcelona desde el 11 de noviembre de 1799 hasta aproximadamente el 6 de enero de 1801. Es una etapa del estadista y promotor de las artes que todavía hoy resulta obscura en la historiografía; un período corto, pero muy ...
García Portugués, Esther
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Zoologica Scripta, Volume 54, Issue 5, Page 587-600, September 2025.ABSTRACT The diversification of Neotropical sigmodontine rodents represents one of the most remarkable evolutionary events among mammals, encompassing numerous endemic, rare, and endangered genera and species. One of the most emblematic examples is Microakodontomys transitorius Hershkovitz 1993, originally described from a single specimen based on ...
Marcelo Weksler +4 more
wiley +1 more source
Ecosphere, Volume 16, Issue 2, February 2025.Abstract Mortality events of marsh deer (Blastocerus dichotomus) have been historically described in the southern margins of its geographical range. Few documented cases show how environmental changes and pathogens interact to trigger mortality scenarios and reveal their causes.
M. M. Orozco +10 more
wiley +1 more source