crossing legs — John Aubrey commented in 1686: To sit cross legged or with our fingers pectinated, shutt together, is accounted bad. Friends will psuade us from it. The same conceit was religiously observed by ye ancients as is observable from Pliny , and… … A Dictionary of English folklore
Voice crossing — Kyrie, Cunctipotens genitor from Ravenna 453 f. 14r (14th century) showing one note of voice crossing In music, voice crossing is the intersection of melodic lines in a composition, leaving a lower voice on a higher pitch than a higher voice (and … Wikipedia
Overhead line crossing — An overhead line crossing is the crossing of an obstacle such as a traffic route, a river, a valley or a strait by an overhead power line. The style of crossing depends on the local conditions and regulations at the time the power line is… … Wikipedia
Red River Trails — Métis drivers and ox carts at a rest stop The Red River Trails were a network of ox cart routes connecting the Red River Colony (the Selkirk Settlement ) and Fort Garry in British North America with the head of navigation on the Mississippi River … Wikipedia
Operation Manta — Part of the Chadian Libyan conflict GUNT controlled area in Chad until 1986/87 (light green), red line on 15th and 16th latitude (1983 and 1984) and Libyan occupied Aouzou s … Wikipedia
Croisement évité — Un croisement évité de niveaux d énergie dans un système à deux niveaux soumis à un champ magnétique externe. Remarquer que les énergies des états diabatiques et et les valeurs propres du hamiltonien, donnant les énergies des états pro … Wikipédia en Français
Quantum chemistry — is a branch of theoretical chemistry, which applies quantum mechanics and quantum field theory to address issues and problems in chemistry. The description of the electronic behavior of atoms and molecules as pertaining to their reactivity is one … Wikipedia
Wayne Hays — Infobox Congressman name= Wayne Levere Hays state= Ohio district= 18th party= Democratic term start = January 3, 1949 term end = September 1, 1976 preceded= Earl R. Lewis succeeded= Douglas Applegate date of birth= May 13, 1911 place of birth=… … Wikipedia
Vibronic coupling — In theoretical chemistry, the vibronic coupling terms, (which are neglected within the Born Oppenheimer approximation), are proportional to the interaction between electronic and nuclear motions of molecules. The term vibronic originates from the … Wikipedia
Jahn–Teller effect — The Jahn–Teller effect, sometimes also known as Jahn–Teller distortion, describes the geometrical distortion of non linear molecules under certain situations. This electronic effect is named after Hermann Arthur Jahn and Edward Teller, who proved … Wikipedia
