particular microstructure
121Diffraction topography — (short: topography ) is an X ray imaging technique based on Bragg diffraction. Diffraction topographic images ( topographs ) record the intensity profile of a beam of X rays (or, sometimes, neutrons) diffracted by a crystal. A topograph thus… …
122Katana — For other uses, see Katana (disambiguation). The katana (刀?) is one of the traditional Japanese swords (日本刀, nihonto …
123Halwaxiida — taxobox image caption= Halkieria regnum=Animalia fossil range=Early to Middle Cambrian superphylum=Lophotrochozoa phylum = See text Halwaxiida or halwaxiids is a proposed clade loosely uniting scale bearing Cambrian animals, which may lie in the… …
124Alexander Balankin — Infobox Scientist name = Alexander Balankin imagesize = birth date = March 3, 1958 birth place = Moscow, Russia residence = Mexico City nationality = Mexican and Russian field = Fractal Mechanics work institution = National Polytechnic Institute… …
125Debate about Cambrian Lophotrochozoans — Since 1990 there has been intense debate among paleontologists about the evolution in the Early Cambrian period of the super phylum Lophotrochozoa, which is thought to include the modern molluscs, annelid worms and brachiopods, as well as their… …
126Uintatherium —   Uintatherium …
127learning theory — ▪ psychology Introduction any of the proposals put forth to explain changes in behaviour produced by practice, as opposed to other factors, e.g., physiological development. A common goal in defining any psychological (psychology)… …
128whiteware — ▪ pottery Introduction any of a broad class of ceramic products that are white to off white in appearance and frequently contain a significant vitreous, or glassy, component. Including products as diverse as fine china dinnerware, lavatory… …
