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Effects of technical and technological progress on the effectiveness of the national energy economy

Wieszołek S.

Zeszyty Naukowe. Elektryka / Politechnika Opolska

2012

z. 68

67--68

This article focuses on the major changes which in the course of the restructuring process have intproved the cnergy eftectiveness of the Polish economy through the revolution of seientific - technical and technological.

Wpływ zmiany położenia płaszczyzny zginania na trwałość zmęczeniową

Wieszołek S.

Zeszyty Naukowe. Mechanika / Politechnika Opolska

2011

z. 98

95-96

In this paper the effect of changes in the position of the bending plane fatigue is described. The results obtained under cyclic bending with the change of position of the plane were compared with those for pure bending of the pendulum. Change of the position took place at each 10% of the fatigue life. Experiment was conducted on samples of plain round made of brass lead MO58.