3   Artículos

 
en línea
Anna-Mariia Tomina,Yekaterina Yeriomina,Viktor Terenin     Pág. 16 - 22
Polymeric composite materials that are reinforced with organic fibers are characterized by great possibilities in terms of improving the durability of friction nodes in machines and mechanisms. These composites successfully compete with non-ferrous metal... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Jörg Gerke    
In the last three decades, the concept of soil humic substances has been questioned in two main directions. Misinterpretations of CP MAS13C NMR spectroscopy led to the conclusion that soil organic matter is mainly aliphatic, questioning the theory of pol... ver más
Revista: Agronomy    Formato: Electrónico

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