control of well drilling operations poses a challenging issue to be tackled. the loss of well control could lead to the occurrence of blowout as a severe threat, involving the risk of human lives and environmental and economic consequences. conventional proportional-integral (pi) controller is a common practice in the well control operation. the small existing margin between pore pressure and f...

as in most countries men enjoy a higher level of financial prosperity and prestige of employment, it is reasonably expected that they should enjoy a higher level of subjective well-being as well, but the results of a number of studies as well as world values surveys surprisingly indicate the opposite—that gender privileges with respect to subjective well-being in many countries are higher in wo...