Results 11 to 20 of about 69,177 (225)

Pulverised coal combustion in high CO2‚ oxygen-rich environments [PDF]

open access: yes, 2007
Experiments on pulverised coal combustion in air and 02/C02 mixtures of various molar ratios, were conducted in a 20 kW-rated, down-fired furnace equipped with a single pulverised fuel (pt) burner, which was designed for the laboratory-scale experimental
Zailini, Ramlan
core   +6 more sources

Shaping Development Through Parents: A Scalable Approach to Early Learning. [PDF]

open access: yesDev Sci
ABSTRACT Early childhood is a sensitive period for cognitive, language, and socio‐emotional development, with parental engagement playing a central role. In Argentina, families facing socioeconomic adversity often encounter barriers that limit access to developmentally enriching parent–child activities; heightening developmental risk amid ongoing ...
Nayeli GG   +5 more
europepmc   +2 more sources

Le gaz carbonique des vins. I - Dosage à l'aide d'une électrode spécifique. Comparaison avec les méthodes traditionnelles

open access: yesOENO One, 1976
Une nouvelle méthode pour la détermination de la concentration en C02 des vins est décrite ; elle met en oeuvre une électrode spécifique de mesure des pressions partielles du gaz dissous.
Aline Lonvaud-Funel   +1 more
doaj   +1 more source

Ranking of management factors for safe maintenance system based on Grey Systems Theory

open access: yesProduction Engineering Archives, 2021
The maintenance system is a key system that provides continuity and safety of the operation of production systems and that affects the safety of people working in these systems.
Tabor Joanna
doaj   +1 more source

Changes in Photosynthetic Activity and Export of Carbon by Overexpressing a Maize Sucrose-Phosphate Synthase Gene under Elevated C02 in Transgenic Rice

open access: yesPlant Production Science, 2003
To investigate whether increased sucrose-phosphate synthase (SPS) activity alters photosynthetic activity and/or the export of carbon from leaves under elevated C02 partial pressure ([C02]), we raised two lines of transgenic rice (H54-9 and H69-7), each ...
Kiyomi Ono   +4 more
doaj   +1 more source

An Evaluation of the Implementation of the Europe 2020 Strategy

open access: yesStudia Ekonomiczne i Regionalne, 2021
Subject and purpose of work: A quantitative measurement of the implementation of the objectives of the Europe 2020 strategy, an assessment of the degree of implementation of the strategy objectives for the individual EU-27 countries, and a ranking of ...
Kasprzyk Beata, Wojnar Jolanta
doaj   +1 more source

Improved Efficiency of Miscible C02 Floods and Enhanced Prospects for C02 Flooding Heterogeneous Reservoirs [PDF]

open access: yes, 1998
In this quarter, we used parallel isolated composite core to test the effectiveness of foam on oil recovery efficiency. This composite core differs from the previous core in two areas: 1) Pyrex® glass beads were used in the center region to form a high permeability region and 2) a fired Berea sandstone was used in the annulus region to form a low ...
Schechter, David S., Grigg, Reid B.
openaire   +2 more sources

A Comparison Of K-Means And Fuzzy C-Means Clustering Methods For A Sample Of Gulf Cooperation Council Stock Markets

open access: yesFolia Oeconomica Stetinensia, 2014
The main goal of this article is to compare data-mining clustering methods (k-means and fuzzy c-means) based on a sample of banking and energy companies on the Gulf Cooperation Council (GCC) stock markets.
Al-Augby Salam   +3 more
doaj   +1 more source

Ranking and Classification of Cryptocurrency Exchanges Using the Methods of a Multidimensional Comparative Analysis

open access: yesFolia Oeconomica Stetinensia, 2021
Research background: The multidimensional assessment of the attractiveness of cryptocurrency exchanges seems to be an important issue, because the risk of the collapse of such an exchange or its use for illegal purposes is higher than in the case of ...
Kądziołka Kinga
doaj   +1 more source

Hitting Coronaviruses Where It Hurts: Antiviral Strategies Targeting Viral Proteins. [PDF]

open access: yesChemMedChem
Viral proteins represent key vulnerabilities in human coronaviruses (HCoVs). This review outlines inhibitors targeting spike (S), main protease (Mpro), papain‐like protease (PLpro), and RNA‐dependent RNA polymerase (RdRp), mapping chemically diverse strategies that disrupt entry and replication, and provides an integrated view of current candidates ...
de la Cruz-Potenciano Á   +3 more
europepmc   +2 more sources

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