this paper has investigated mamluks egypt`s militarism influence on rook of hesam al-din & nasser qalawoon. the authors have concluded in this study that the generalissimo and military officers due to the monopoly on their extensive apanage areas and abundant revenues could limit the power of the sultan and even to the throne have greed sometimes; because much of the land, i.e 20 carats of 24 c...

The economic evaluation of diamond-bearing kimberlites is usually carried out in four stages. Expenditure tends to increase by an order of magnitude at each successive stage. At the end of each stage, the sample results should be critically appraised before deciding to proceed to the next phase. In the first stage, even before individual kimberlite bodies have been discovered, the indicator min...

Econometric theory is like an exquisitely balanced French recipe, spelling out precisely with how many turns to mix the sauce, how many carats of spice to add, and for how many seconds to bake the mixture at exactly 474 degrees of temperature. But when the statistical cook turns to the raw materials, he finds that hearts of cactus fruits are unavailable, so he substitutes cantaloupe; where the ...

The seeds of various plants were used as weights because their mass reputedly varies so little. Carob (Ceratonia siliqua), which has given its name to the carat, is particularly famous in this regard. But are carob seeds unusually constant in weight and, if not, how did the myth arise? The variability of seeds sampled from a collection of carob trees (CV=23%) was close to the average of 63 spec...