Results 11 to 20 of about 37,474 (223)

Nonlinear optimisation approach to proposing novel Croatian Industrial Confidence Indicator

open access: yesCroatian Review of Economic, Business and Social Statistics, 2019
Croatian Industrial Confidence Indicator (ICI) is one of the measures of mangers’ sentiment about the economic situation in the Croatian manufacturing industry. Since 2005, the ICI has been calculated in accordance with the harmonised European Commission
Čižmešija Mirjana   +2 more
doaj   +1 more source

A note on the turning point for the quadratic trend

open access: yesCroatian Review of Economic, Business and Social Statistics, 2019
The quadratic trend is a statistical model described by the quadratic function. Finding its extremum (also called the vertex or the turning point) using differential calculus or completing the square method is very well known in the literature.
Kojić Vedran, Škrinjarić Tihana
doaj   +1 more source

Optimizing the Resource Consumption of Blockchain Technology in Business Systems

open access: yesBusiness Systems Research, 2020
Blockchain technology has gained a great public interest due to the appearance of cryptocurrencies, a digital asset used for exchanging funds. Although blockchain calculations offer the benefits of security and reduced costs, blockchain is still strongly
Juričić Vedran   +2 more
doaj   +1 more source

Tetra­aceto­nitrile­lithium tetra­iso­thio­cyanato­borate [PDF]

open access: yes, 2013
The crystal structure of the title salt, [Li(CH3CN)4][B(NCS)4], is composed of discrete cations and anions. Both the Li and B atoms show a tetra­hedral coordination by four equal ligands. The aceto­nitrile and iso­thio­cyanate ligands are linear.
Bolte, Michael   +3 more
core   +1 more source

Effective Portfolios – An Application of Multi-Criteria and Fuzzy Approach

open access: yesFolia Oeconomica Stetinensia, 2019
Research background: When selecting effective portfolios, the portfolio risk is minimized at the given expected return rate or the expected return rate is maximized with a given risk level.
Pośpiech Ewa
doaj   +1 more source

Asset Allocation Strategies Using Covariance Matrix Estimators

open access: yesActa Universitatis Sapientiae: Economics and Business, 2022
The covariance matrix is an important element of many asset allocation strategies. The widely used sample covariance matrix estimator is unstable especially when the number of time observations is small and the number of assets is large or when high ...
László PáL
doaj   +1 more source

Interplay of 'induced fit' and preorganization in the ligand induced folding of the aptamer domain of the guanine binding riboswitch [PDF]

open access: yes, 2006
Riboswitches are highly structured elements in the 50-untranslated regions (50-UTRs) of messenger RNA that control gene expression by specifically binding to small metabolite molecules. They consist of an aptamer domain responsible for ligand binding and
Noeske, Jonas   +5 more
core   +1 more source

PISA Performance of Natives and Immigrants: Selection versus Efficiency

open access: yesOpen Education Studies, 2020
In most countries, immigrant and native students perform differently in the Programme for International Student Assessment (PISA) due to two main reasons: different immigration regimes and differences in their home-country educational systems.
Behr Andreas, Fugger Gerald
doaj   +1 more source

The development of the digital teaching competence from a sociocultural approach [PDF]

open access: yes, 2019
En la actualidad, la competencia digital docente trasciende de la formación individual del profesorado en materia TIC. El marco europeo DigCompEdu incide en que el profesorado tiene que capacitar al alumnado en la aplicación de las tecnologías digitales ...
Colás Bravo, María Pilar   +2 more
core   +2 more sources

Glycyl-L-proline hemihydrate at 298 K [PDF]

open access: yes, 2006
The crystal structure of glycyl-L-proline (GLY-PRO) hemihydrate, C(7)H(12)N(2)O(3)(.)0.5H(2)O, has two molecules of GLY-PRO in the asymmetric unit; one molecule adopts the cis configuration at the peptide bond and the other adopts the trans configuration.
Moggach, S A, Parsons, S, Sawyer, L
core   +1 more source

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