Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
If oil-drillers can exploit organic molecules to manipulate the flow and drillability of mud, there is no reason why cumulative selection should not have led to the same kind of exploitation by self-replicating minerals.
The basic drillability exponent was published in 1966 by Jorden & Shirley relating the action of tricone bit teeth to an inherent characteristic of the roc, the drillability, or 'd' :
eTutor English
Search history
Podcasts
Mobile apps and Diki plugins
About Diki
Enviar sugerencia