Results 41 to 50 of about 1,529,131 (175)

Adsorption of Nickel and Chromium From Aqueous Solutions Using Copper Oxide Nanoparticles: Adsorption Isotherms, Kinetic Modeling, and Thermodynamic Studies [PDF]

open access: yesAvicenna Journal of Environmental Health Engineering, 2019
The research was conducted with an aim to assess the efficiency of copper oxide nanoparticles as an adsorbent to remove Ni and Cr. The effect of pH, adsorbent dosage, contact time, initial concentration of metals (Ni and Cr) on the adsorption rate was ...
Raziyeh Hosseini   +2 more
doaj   +1 more source

Beyond multi-class – structured learning for machine translation

open access: yes, 2010
In this thesis, we explore and present machine learning (ML) approaches to a particularly challenging research area – machine translation (MT). The study aims at replacing or developing each component in the MT system with an appropriate discriminative ...
Ni, Y, Ni, Yizhao
core   +2 more sources

The effects of some agrotechnical measures on the uptake of nickel by maize plants [PDF]

open access: yesJournal of the Serbian Chemical Society, 2009
Nickel is a non-essential element in the nutrition of the majority of plant species and can be toxic to plants when its concentration in soils is high. Several soil properties have an effect on the uptake of this heavy metal by plants.
Žarković Branka M.   +1 more
doaj   +1 more source

Ni brujas, ni morenas, ni delicadas, ni débiles

open access: yes, 2021
Número extraordinario: En conmemoración del Aniversario de la Convención para Prevenir, Sancionar y Erradicar la Violencia contra la Mujer “Convención de Belém do Pará”
openaire   +1 more source

Graphene–Ni(111) Synergy Influencing Crystalline Orientation, Grain Morphology and Magnetic Properties of Poly-Ni

open access: yes, 2018
Among many metal catalyst surfaces, graphene growth on Ni(111) is highly facile owing to the least lattice mismatch between the two. Although the influence of crystalline orientation of Ni on the quality and properties of graphene is known, the effect of
Umesha Mogera (1368303)   +2 more
core   +1 more source

Metalliferous jurassic rocks of the Fan-Y agnob syneclise (Central Tajikistan)

open access: yesИзвестия высших учебных заведений: Геология и разведка
Background. The Fan-Yagnob syneclise is an imposed structure within the Hercynian Zeravshan-Gissar zone. It formed on a Paleozoic folded basement as series of sedimentary rocks from T3 to N1, including Jurassic, Cretaceous, and Paleogene terrigenous ...
M. Saymudasiri, A. K. Litvinenko
doaj   +1 more source

Efficacy Of Freeze-Dried Inactivated Rift Valley Fever Vaccine

open access: yesJournal of Applied Veterinary Sciences, 2020
Rift Valley Fever (RVF) is an acute infectious zoonotic arthropod-born viral disease, affecting many species of animals and it causes great economic losses in animal wealth and has a zoonotic implication.
Atwa, M.H   +5 more
doaj   +1 more source

Methodological approaches to determining the suitability of dispersed non‑ferrous metal oxides generated at petrochemical plants for steel alloying

open access: yesЛитьë и металлургия
A study conducted at the scientific laboratory of ОJSC BELNIILIT examines the feasibility of using spent catalysts from petrochemical plants in the Republic of Belarus as alloying element carriers in the smelting of economically alloyed steels.
S. L. Rimoshevsky   +3 more
doaj   +1 more source

Multi-scale magnetic and electric interaction in gradient magnetic–dielectric heterostructures with excellent low-frequency electromagnetic wave absorption

open access: yesNano Research
Multi-scale design in metal–support interaction allows for the comprehensive control of the electronic migration and magnetic respond behaviors, providing tuning frequency electromagnetic (EM) absorption.
Yuanchun Zhang   +2 more
doaj   +1 more source

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