Results 41 to 50 of about 9,842 (173)

Exotic, traditional and hybrid landscapes: The subtle history of the Iberian Peninsula maize between ‘tradition’ and ‘modernity’

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 5, Page 1047-1059, September 2024.
Maize is the world's second most important agricultural crop. The cereal was unknown to Europeans before the end of the 15th century, but since its arrival in Europe, it has changed agriculture, food and landscapes. Terraces where maize was cultivated in the Northwest of the Iberian Peninsula contributed to the formation of local cultures and ...
Inês Gomes   +2 more
wiley   +1 more source

Evaluación del riesgo de contaminación de las aguas subterráneas del municipio de San Pedro La Laguna, Sololá

open access: yesAgua, Saneamiento & Ambiente, 2020
Este artículo presenta una evaluación de vulnerabilidad y riesgo del acuífero subyacente en el municipio de San Pedro La Laguna, Sololá. La evaluación se realizó aplicando el método GOD (Groundwater occurrence-overall aquifer class-Depth) (Foster, 1987)
Homero Aparicio Escobar López
doaj  

Modelos determinístico y probabilístico para la estimación de la carga de nitratos en una cuenca rural

open access: yesRevista de la Facultad de Ciencias Agrarias, 2022
En este trabajo se desarrolló un modelo probabilístico que utiliza la teoría de la función de densidad de probabilidades derivada para estimar la carga media anual de nitratos transportada por el escurrimiento superficial, utilizando una relación ...
Mónica E. Gelmi, Rafael S. Seoane
doaj  

Nitratos e nitritos, o lado duplo da moeda [PDF]

open access: yes, 2020
Nitrates and nitrites are inorganic chemical compounds derived from nitrogen found naturally in vegetable foods and as additives in some processed meat products.
Gómez Ramírez, Briana Davahiva   +1 more
core   +1 more source

Microbubble‐encapsulated Cobalt Nitrato Complexes for Ultrasound‐triggerable Nitric Oxide Delivery

open access: yesChemMedChem, Volume 19, Issue 16, August 19, 2024.
Complexation of cobalt with nitric oxide (NO) is complex and its understanding offers applications in catalysis and biological processes. We evaluated four cobalt nitrato complexes for ultrasound‐triggered release of NO. For future therapeutic evaluation we showed for one complex tolerability in vitro and encapsulation in polymeric microbubbles ...
Patrick Koczera   +6 more
wiley   +1 more source

Nitrificación del amonio a partir de un fertilizante de liberación controlada y úrea convencional en dos suelos de iowa, EEUU Nitrification of ammonium nitrogen from a controlled release fertilizer and conventional urea in two soils of Iowa, USA

open access: yesBioagro, 2010
El retardo en la tasa de nitrificación del amonio es un factor importante a considerar para disminuir las pérdidas de fertilizantes aplicados al suelo.
Marta Barrios   +2 more
doaj  

Structural Trends and Vibrational Analysis of N,N,N′,N′−Tetramethylmalonamide Complexes Across the Lanthanide Series

open access: yesEuropean Journal of Inorganic Chemistry, Volume 27, Issue 6, February 21, 2024.
Exploring the structural and vibrational properties of N,N,N′,N′−tetramethylmalonamide complexes across the lanthanide series may explain the lanthanide speciation and distribution ratios during liquid‐liquid separations by diamide extractants. Abstract Fundamental understanding of coordination chemistry across the lanthanide series is essential for ...
Dmytro V. Kravchuk   +3 more
wiley   +1 more source

Calidad bacteriológica y concentración de nitratos en aguas subterráneas en distintas estaciones del año [PDF]

open access: yes, 2020
Se analizaron muestras de agua de pozo extraídas de viviendas en el cinturón hortícola de Sierra de los Padres. Se realizaron las determinaciones bacteriológicas que establece el Código Alimentario Argentino (CAA) para comprobar la potabilidad para ...
Andreoli, Yolanda Elina   +5 more
core   +1 more source

Synthesis of Bridged Tetrazoles with Promising Properties and Potential Applications by a One‐Step Finkelstein Reaction

open access: yesChemistry – A European Journal, Volume 30, Issue 1, January 2, 2024.
Several new nitramine‐ and oxa‐bridged bis‐tetrazolyl energetic materials were synthesized and fully characterized. The thermal behavior of all compounds was studied and their sensitivities towards impact (IS) and friction (FS) determined. Energetic properties, were calculated using the EXPLO5 (V6.06.01) computer code.
Jasmin T. Lechner   +7 more
wiley   +1 more source

Informe del Proyecto "Nitratos" (GCP-2017-0020-00)

open access: yes, 2019
Miembros beneficiarios: Comunidad General de Riegos del Alto Aragón (Coord.) ; Zeta AmalteaMiembros no beneficiarios: Centro de Investigación y Tecnología Agroalimentaria de Aragón ; Centro de Transferencia Agroalimentaria ; Confederación Hidrográfica ...
Grupo de Cooperación Nitratos
core  

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