3.880   Artículos

 
en línea
Ladifatou GACHILI NDI GBAMBIE,Ousseni MONGBET     Pág. 1 - 22
Sub-Saharan Africa (SSA) countries have benefited for more than fifty years from international aid in the form of loans and/or donations. Nevertheless, they seem not to benefit from these massive financial resources (ODA) they receive because their econo... ver más
Revista: IRA-International Journal of Management & Social Sciences    Formato: Electrónico

 
en línea
Agnieszka Bem,Paulina Ucieklak-Jez,Pawel Predkiewicz     Pág. 25 - 33

 
en línea
S. Johana Grajales-Mesa and Grzegorz Malina    
This study evaluates, under field conditions, the efficiency of a permeable reactive barrier (PRB) with compost and brown coal to remove trichloroethylene (TCE) (109 µg/L) from contaminated groundwater. Three stainless steel boxes (1.2 × 0.5 × 0.5 m) wit... ver más
Revista: Water    Formato: Electrónico

 
en línea
Mikolaj Walkowiak     Pág. 55 - 61
This paper concerns the estimation of indirect CO2 emissions associated with the use of electric engines in Poland. The indirect production of exhaust fumes emitted by electric cars is determined by two factors: the engine?s power consumption and the vol... ver más
Revista: Research Papers in Economics and Finance    Formato: Electrónico

 
en línea
Ondrej Lhotský, Eva Sýkorová, Tereza Hudcová, Alena Filipová, Tomá? Cajthaml    
These experiments were performed to verify the potential ways of treating pig farm effluents using aeration, struvite precipitation and filtration. MgCl2 brine was added as a source of magnesium for struvite precipitation. Following aeration, precipitate... ver más
Revista: European Journal of Environmental Sciences    Formato: Electrónico

 
en línea
Dragan Pamucar, Nikola Kne?evic, Dragana Macura, Boban Ðorovic    
Research Question: The paper explores the problem of defining the number of required employees and their skills, as well as optimizing the work time. Motivation: Motivation for this paper arises from the fact that an organizational structure of business ... ver más
Revista: Management    Formato: Electrónico

 
en línea
Vijay Rajamanickam, Kunnummal Kurungara Vinod, Krishnapriya Vengavasi, Tarun Kumar, Viswanathan Chinnusamy and Renu Pandey    
Understanding the changes in the root system architecture of bread wheat under phosphorus (P)-limited conditions is critical for identifying specific traits contributing to improved P uptake. Phenotypic variability in root, biomass, and P index-related t... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Cláudia Pereira, Beatriz Castro, Luís Gomes and Helena Canha    
We investigate whether accounting information system quality has an impact on the level and efficiency of firms? investments. While firms? growth depends on investment and financing decisions, accounting information is fundamental for the decision-making... ver más
Revista: International Journal of Financial Studies    Formato: Electrónico

 
en línea
Yichi Chen, Wangqiang Niu, Yanhua Yang and Yassine Amirat    
The eddy current loss caused by the conductivity of seawater results in a relatively low transfer efficiency of underwater wireless power transfer (WPT). And the transfer distance of the current WPT system is relatively short. Considering that most of th... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Shengcai Qiang, Yan Zhang, Junliang Fan, Fucang Zhang, Wen Lin, Min Sun, Zhiqiang Gao and Xiwang Tang    
Ridge and furrow plastic mulch (RFPM) and nitrogen (N) application are effective strategies for improving crop productivity in China?s Loess Plain. However, it is not clear how the ridge?furrow ratio and nitrogen fertilizer type (NT) affect the use of wa... ver más
Revista: Agronomy    Formato: Electrónico

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