Results 31 to 40 of about 3,650,020 (178)

Problem of Ametropia in Children in Russian Federation

Oftalʹmologiâ, 2018
Refractive errors are remaining one of the most important problems in pediatric ophthalmology. At present, there are changes in organization approaches of prophylactic medical examinations in children.
El Yu. Markova, L. Yu. Bezmel’nitsyna, O. V. Kurganova, N. A. Pron’ko, L. V. Venediktova   +4 more
doaj   +1 more source

Optimization and reliability of the power supply systems of a compressor station

Electrical engineering & Electromechanics, 2021
As gas pipeline systems become larger and more complex, the importance of optimally operating and planning these facilities has increased. The capital costs and operating expenses of pipeline systems are so large that even small improvements in the use ...
N. Benchouia, M. Saaidia
doaj   +1 more source

Expert Opinion Analysis on Renewable Hydrogen Storage Systems Potential in Europe

Energies, 2016
Among the several typologies of storage technologies, mainly on different physical principles (mechanical, electrical and chemical), hydrogen produced by power to gas (P2G) from renewable energy sources complies with chemical storage principle and is ...
Davide Astiaso Garcia, Federica Barbanera, Fabrizio Cumo, Umberto Di Matteo, Benedetto Nastasi   +4 more
doaj   +1 more source

Growth of Haematococcus pluvialis Flotow in alternative media

Brazilian Journal of Biology
Current study investigates the effect of two alternative media NPK (20-5-20) fertilizer and NPK plus macrophyte (M+NPK) compared to the commercial medium (WC) under growth rate and physiological parameters in batch culture mode (2-L), and verifies ...
L. H. Sipaúba-Tavares, F. A. Berchielli-Morais, B. Scardoeli-Truzzi   +2 more
doaj   +1 more source

Argentina and Germany: trade and trade policy

Revista de Economía y Estadística, 2005
I will focus my presentation by highlighting and commenting on thefollowing topics: bilateral relations between Argentina, Germany and the EU, the ongoing EU-MERCOSUR negotiations and some other trade related and economic aspects.
Hans Jürgen Froese
doaj  

RICH DATABASES AND POOR PEOPLE: OPPORTUNITIES FOR DEVELOPING COUNTRIES [PDF]

Trames, 2004
Minakshi Bhardwaj
doaj   +1 more source

Подход за оценка на устойчивостта на земеделските стопанства

Икономика и управление на селското стопанство, 2015
Тази статия прави опит да даде отговор на някои основни въпроси, за които все още няма едино-мислие сред изследователите, а именно: „Какво представлява устойчивостта на фермата?“; „Каква е връзката между фермерската и аграрна устойчивост?“; „Кои са ...
ХРАБРИН БАШЕВ
doaj  

Clinical and economic feasibility of early diagnosis in children ametropia

Российский офтальмологический журнал, 2018
Anomalies of refraction belong to the most important issues of pediatric ophthalmology. Purpose. To assess the impact of timely detection of ametropia on clinical and economic aspects of its treatment. Material and methods.
E. Yu. Markova, O. V. Kurganova, L. Yu. Bezmel'nitsyna, N. A. Pron'ko, L. V. Venediktova   +4 more
doaj   +1 more source

ALGUNOS ASPECTOS ECONÓMICOS DE LA RESPONSABILIDAD EXTRACONTRACTUAL DEL ESTADO

Revista de Derecho (Coquimbo)
El presente trabajo explora la aplicación del análisis económico al campo de la responsabilidad extracontractual del Estado. Luego de aceptar su utilización como herramienta general tendiente a la optimización de los costos sociales de evitar accidentes ...
RAÚL LETELIER WARTENBERG
doaj   +1 more source

Economic aspects of the bee industry / [PDF]

, 1933
B55
Galbraith, John Kenneth, 1908-2006, Todd, Frank E. (Frank Edward), 1895-, Voorhies, Edwin C. (Edwin Coblentz), 1891-1967   +2 more
core   +2 more sources