3   Artículos

 
en línea
Weiwen Luo, Xulei Chen, Mingyang Qin, Kai Guo, Jie Ling, Fengwei Gu and Zhichao Hu    
When wide-width sowing wheat after rice stubble (WRS) in a rice-wheat rotation area, there is a problem of poor uniform of seed distribution. To solve the problem, this study designed the seed distribution plate (SDP) structure and optimized its critical... ver más
Revista: Agriculture    Formato: Electrónico

 
en línea
Valeriy Borisenko,Serhiy Ustenko,Iryna Ustenko     Pág. 51 - 59
The elliptic curves possess a certain disadvantage related to that at the point of intersection with the coordinate axes the ellipses have tangents perpendicular to these axes. However, such a situation is undesirable for some practical applications of e... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

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