Results 51 to 60 of about 2,532,253 (181)

The assessment of selection numbers of potato according to the combination of traits in the conditions of Kirov region

open access: yesАграрная наука Евро-Северо-Востока, 2019
The assessment of hybrid combinations of potato according to significant traits such as resistance to basic diseases, high productivity and market condition of tubers was carried out in Kirov region in 2016-2018.
O. N. Bashlakova, N. F. Sintsova
doaj   +1 more source

Implementation of Mobile Solutions in Romania's Education System [PDF]

open access: yesInformatică economică, 2019
In the light of the technology development nowadays, the society and more specific, the education area is facing new challenges in meeting the learners' demands.
Rares-Constantin CIOBANU
doaj   +1 more source

Predawn and high intensity application of supplemental blue light decreases the quantum yield of PSII and enhances the amount of phenolic acids, flavonoids, and pigments in Lactuca sativa

open access: yesFrontiers in Plant Science, 2015
To evaluate the effect of blue light intensity and timing, two cultivars of lettuce [Lactuca sativa cv. “Batavia” (green) and cv. “Lollo Rossa” (red)] were grown in a greenhouse compartment in late winter under natural light and supplemental high ...
Theoharis Ouzounis   +4 more
semanticscholar   +1 more source

Pattern-based diving heuristics for a two-dimensional guillotine cutting-stock problem with leftovers

open access: yesEURO Journal on Computational Optimization, 2019
In the two-dimensional guillotine cutting-stock problem, the objective is to minimize the number of large plates used to cut a list of small rectangles.
François Clautiaux   +3 more
doaj  

Macro- and Microelement Composition, Antioxidant Activity, and Biological Effect of Cold-Pressed Edible Oils from Commercial and Amateur Companies

open access: yesMolecules
The aim of this study was to examine cold-pressed oils available on the Polish market derived from different plants and manufacturers in the context of their biological activity, including micro- and macroelements, antioxidant properties, antimicrobial ...
Jolanta Marciniuk   +7 more
doaj   +1 more source

Complementarity-based nonlinear programming techniques for optimal mixing in gas networks

open access: yesEURO Journal on Computational Optimization, 2019
We consider nonlinear and nonsmooth mixing aspects in gas transport optimization problems. As mixed-integer reformulations of pooling-type mixing models already render small-size instances computationally intractable, we investigate the applicability of ...
FalkM. Hante, Martin Schmidt
doaj  

A complete search method for the relaxed traveling tournament problem

open access: yesEURO Journal on Computational Optimization, 2014
The traveling tournament problem is a sports scheduling problem that includes two major issues in creating timetables: home/away pattern feasibility and travel distance.
Filipe Brandão, JoãoPedro Pedroso
doaj  

Matheuristics for optimizing the network in German wagonload traffic

open access: yesEURO Journal on Computational Optimization, 2017
In this paper, we consider a capacitated multiple allocation hub location problem derived from a practical application in network design of German wagonload traffic.
Julia Sender   +3 more
doaj  

Efficacy of some entomopathogenic fungi against Aphis fabae Scopoli (Hemiptera: Aphididae)

open access: yesEgyptian Journal of Biological Pest Control, 2018
The present study was carried out to evaluate the efficacy of three different conidial concentrations (1 × 104, 1 × 105, and 1 × 106 conidia/ml) of five isolates (TR-04, TR-05, TR-07, TR-08, and TR-10) of Lecanicillium muscarium, one isolate (TR-01) of ...
I. Saruhan
doaj   +1 more source

Enraizamento de estacas caulinares e radiculares de cultivares de amoreira-preta coletadas em diferentes épocas, armazenadas a frio e tratadas com AIB Rooting of stems and root cutting of blackberry cultivars collected in different times, cold storage and treatment with IBA

open access: yesCiência Rural, 2012
O objetivo do presente trabalho foi avaliar o enraizamento de estacas caulinares e radiculares de cultivares de amoreira-preta, coletadas em diferentes épocas, armazenadas a frio e tratadas com AIB.
Marcelo Angelo Campagnolo, Rafael Pio
doaj   +1 more source

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