Efficiency improvements research of drilling operations in combination with modernization of vertical drilling machine design

In onze traditioneel lineaire economie worden materialen gewonnen, verwerl<t in producten en uiteindelijk gestort op stortplaatsen of verbrand in verbrandingsovens. Om

presents the results of the study, in which, with the help of ANOVA delamination area of the laminate at the entrance of the drill into the material (A wej ) and

In the analysis, the effect of feed rate, tool wear and cutting speed on the values of the axial force and cutting torque was studied.. In order to de- termine the

The provisions of the Directive 2013/30/EU in Article 3 and the Geological and Mining Law (Journal of Laws of 2017, No. Risks are assigned to those responsible for managing them,

To understand the variability and anisotropic behaviour of cortical bone tissue, specimens cut from three anatomic positions of pig and bovine were investigated at the same

Mud also contained organophilic clays, gilsonite, calcium hydroxide, calcium chloride, emulsifiers, cellulose (1.0wt.%), barite (30–60wt.%) and water. The spent drilling mud

Dzięki profesjonalnej kadrze pedagogicznej wśród absol- wentów naszej Szkoły znajduje się wielu wybitnych naukowców, ludzi pióra i kultury. Niewielki budynek Liceum Zana na

Despite the chemical reaction and the different spatial bubble evolution, we observe a similar main vortex ring as in ISBI, however, with a slightly smaller diameter.. Beside the