The derived equivalent material happens to be a particular second gradient material in which few components of the strain gradient (second gradient of the displacement) should be taken into account in addition to the classical strains (first gradient of displacement).
In some quarters, it has been excused as the literary equivalent of the droit du seigneur -- the natural entitlement of the most talented or the most popular writers who can have their way with whatever material happens to seize their fancy.
This may happen when a big chunk of material happens to fall in and blocks some of the neutron star's radiation, which keeps the disk at bay.
If the material happens to be a piece of wood taken out of an Egyptian tomb, for example, we have a pretty good estimate of how old the artifact is and, by inference, when the tomb was built.
Design history is rich with examples of useful, occasionally indispensable objects made by unknown designers using whichever tools and materials happened to be available.
The thread linking the fair's 36 booths is a personal compulsion to make art, without a rulebook and with whatever materials happen to be at hand.
Some are more beautiful than others, the particular design depending, to a large extent, on what materials happen to be available.
The thread linking the fair's three dozen or so booths is a personal compulsion to make art, without a rulebook and with whatever materials happen to be at hand.
Piano, bass and a myriad of percussion instruments that a certain type of jazz drummer adores — the kind who bangs stones against each other or uses whatever materials happen to be at hand.
However, the interface between organic and inorganic materials happens to be poor, contrary to that of mineral and collagen in natural bone, which is considered an ideal hybrid material interface.
