Results 61 to 70 of about 828,167 (250)
Spiroxys contortus (Rudolphi, 1819) and Hedruris orestiae (Moniez, 1889) in Argentine turtles [PDF]
Knowledge of parasites in turtles is scarce,particularly with regard to freshwater turtles of SouthAmerica. Here, we describe the association of Spiroxyscontortus (Rudolphi, 1819) in Phrynops hilarii (Duméril& Bibron, 1835) and S.
Alcalde, Leandro +4 more
core +3 more sources
Stemodia diplohyptoides M.M.Sosa & Dematt. and S. lobelioides Lehm. (Gratioleae, Plantaginaceae) are reported for the first time in Paraguay, found in Alto Paraná and Presidente Hayes departments, respectively. These new records extend the known geographical range of both species, representing the northern records to date, S.
Y. Carlés Bechara +4 more
wiley +1 more source
Finanzas británicas en México (1821-1867)
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Desmond Christopher Platt
doaj
Precipitación de plata de efluentes electrolíticos
La recuperación de plata contenida en efluentes electrolíticos es atractiva por su alto valor económico. Estos efluentes son catalogados como residuos tóxicos y no pueden ser evacuados a cauces públicos sin un tratamiento previo de detoxificación. Una de
I. Rivera +4 more
doaj +1 more source
New record for the distribution of the colonial hydroid Cordylophora caspia (Pallas, 1771) (Cnidaria: Hydrozoa) in Argentina [PDF]
Cordylophora caspia is a colonial, athecate hydroid inhabiting both in freshwater and brackish habitats. Its global distribution is in part due to its ability to tolerate a wide range of salinity.
Acuña, Fabian Horacio +2 more
core +3 more sources
Large palynological collections have been built over decades and contain vital information. However, they are often difficult to access and use effectively. What is the point of having such collections if they are not fully utilizable? To solve this problem, we digitized the Smithsonian palynological collection using both light and confocal microscopy.
Carlos Jaramillo +37 more
wiley +1 more source
Agroforestry and enhanced rock weathering: A dual strategy for sustainable cacao
Cacao production is both economically vital and environmentally intensive, presenting a major sustainability challenge as a crop largely cultivated by smallholder farmers in climate‐vulnerable regions. This review synthesises evidence that integrating agroforestry with enhanced rock weathering (EW) may significantly reduce emissions from cacao ...
Isabella L. Steeley +4 more
wiley +1 more source
Presentación. Tema central: Mecanismos de control y evasión fiscal de metales preciosos en Nueva España: agentes, estrategias y límites, siglos XVI ...
Iván Rivero Hernández +1 more
doaj +3 more sources
Distribución de plomo y plata bajo las condiciones del horno alto para la producción de plomo
Se realizaron dos estudios experimentales de solubilidad de metal en escorias a 1.473 K (1.200 °C). En el primero se estudió la solubilidad de plomo en el sistema PbO-ZnO-CaO-SiO2-“Fe2O3” bajo una atmósfera reductora (PCO/PCO2 = 2,45).
M. Pérez +4 more
doaj +1 more source
The Lomagundi-Jatuli carbon isotopic event recorded in the marble of the Tandilia System basement, Río de la Plata Craton, Argentina [PDF]
The “Lomagundi-Jatuli event” corresponds to the most important δ13C positive anomaly (≥5‰) globally reported in Palaeoproterozoic marine carbonates (between ∼2.30 and 2.06 Ga).
Ballivian Justiniano, Carlos Alberto +6 more
core +1 more source

