[lemma=of] □ □
[lemma=of] [□] □
[lemma=of] □? □
The time-dependent constitutive equations for many non-Newtonian fluids of interest have highly nonlinear and advection-dominated nature , leading to numerical stability problems . ) Currently , the method of delivery of anthrax has been by letter or package . This area of disturbance has proceeded farther to the west into the Gulf of Mexico . Up to that time , the gentle study of botany had been sufficiently delicate to serve as a pastime for well-bred ladies . These conflicts of interest have so far prevented the harmonization of profit taxes , and even the efforts to define a " code of conduct " governing tax benefits that discriminate in favor of non-resident companies have not yet succeeded . While in each of these issuances various potential conflicts of interest have been widely identified and discussed , I think it is instructive to step back and reflect upon the nature of the underlying pricing model for informational services and the delicate nature of the economic viability of such products . Some weeks earlier the danger of attack had necessitated a balloon 's removal from the place of its first moorings to the Champ de Mars at dead of night .