Results 41 to 50 of about 13,832 (181)

Residuos de papa como auxiliar del sulfato de aluminio para clarificación de agua

open access: yesCuadernos de investigación UNED, 2022
El sulfato de aluminio, o sales de hierro, se utilizan como coagulantes para eliminar las partículas en suspensión que producen turbidez en el agua de consumo humano, pero el proceso se puede mejorar con otros componentes. Objetivo: Evaluar el uso de la
Lizbeth Ynofuente Quispe   +2 more
doaj   +1 more source

Peningkatan Kandungan N dan P Tanah Serta Hasil Padi Sawah Akibat Aplikasi Azolla Pinnata dan Pupuk Hayati Azotobacter Chroococcum dan Pseudomonas Cepaceae [PDF]

open access: yes, 2014
This study aims was to determine the potential of water fern Azolla pinnata combined with biofertilizer (Azotobacter chroococcum N2-fixing bacteria and Pseudomonas cepaceae phosphate solublelizing bacteria) in improving N and P content of the soil, and ...
Setiawati, M. R. (Mieke)
core  

On a branching route: The spectrum of path dependence in policy research

open access: yesReview of Policy Research, Volume 43, Issue 1, January 2026.
Abstract This article describes the evolution of discussions around the concept of path dependence, which has established itself as an explanatory framework in various academic disciplines, including policy research. It outlines the diversity of conceptual ideas, presents efforts at specification that have expanded the range of possible interpretations
Jürgen Beyer
wiley   +1 more source

Recent Therapeutics Policies of Arthritis Rheumatoid (Part I) [PDF]

open access: yes, 2018
Therapy in RA has undergone many advances today and in line with knowledge of the pathogenesis of RA, the current therapeutic goal is to alter the journey and control the activity of RA disease.
Andisari, H. E. (Hendrata)
core  

Spray nozzle type has a small and inconsistent effect on ammonia volatilization from surface‐applied urea ammonium‐nitrate

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 4, December 2025.
Abstract Ammonia (NH3) volatilization reduces fertilizer use efficiency and increases environmental nitrogen (N) loss when urea ammonium‐nitrate (UAN) is surface‐applied. Volatilization is driven by localized pH increases resulting from the rapid hydrolysis of large quantities of urea.
Joshua Nasielski   +2 more
wiley   +1 more source

Tratamiento de aguas residuales de una central de sacrificio: uso del polvo de la semilla de la m. oleífera como coagulante natural

open access: yesBiotecnología en el Sector Agropecuario y Agroindustrial, 2017
Mediante el presente estudio se analizó la eficiencia de la semilla del árbol M. Oleífera como sustancia coagulante en tratamiento de aguas residuales de una central de sacrificio.
Arnold Arias Hoyos   +3 more
doaj   +1 more source

Tratamiento de la vejiga hiperactiva. Estudio comparativo, experimental, aleatorizado de sulfato de atropina vs dimetilsulfóxido intravesical en 10 dosis intravesicales [PDF]

open access: yes, 2010
Antecedentes: La vejiga hiperactiva tiene un efecto negativo significante sobre la ca-lidad de vida, reflejándose en aislamiento social y depresión. La urgencia urinaria se define como la imperiosa necesidad de micción, un síntoma característico del ...
Castillo Sáenz, Lorena   +8 more
core  

Review: Could Molinia caerulea Be an Alternative Forage Feed for Horses?

open access: yesGrass and Forage Science, Volume 80, Issue 4, December 2025.
ABSTRACT Molinia caerulea (Molinia) is a native plant species that dominates large tracts of the UK uplands, with detrimental impacts on floristic diversity and related habitat value. Harvesting Molinia supports biodiversity restoration and conservation, yet there is little incentive for farmers to manage this increasingly dominant species. Our aim was
R. L. Hiir, M. D. Fraser, D. M. Nash
wiley   +1 more source

Uso eficiente del agua y producción óptima en maíz, con el uso de cuatro dosis de nitrógeno

open access: yesRevista Ciencias Técnicas Agropecuarias, 2014
La producción intensiva de maíz en zonas semiáridas se sustenta principalmente el agua y la fertilización nitrogenada, se busca hacer un manejo eficiente del agua y óptimo del nitrógeno (N), con la finalidad de mejorar el ingreso del productor y reducir ...
Tomás Díaz Valdés   +4 more
doaj  

From Engines to Algorithms? Regional Innovation and Implementation of Automated Driving Technologies in Germany

open access: yesGrowth and Change, Volume 56, Issue 4, December 2025.
ABSTRACT Automated driving (AD) technologies are transforming the automotive industry, challenging incumbent actors and regional economic structures. Using an evolutionary framework, this study investigates how regional technological capabilities affect the innovation and implementation of AD technologies in Germany. By integrating both patent data and
Lennart Schott, Kerstin J. Schaefer
wiley   +1 more source

Home - About - Disclaimer - Privacy