angle coupling
61solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
62Montonen-Olive duality — In theoretical physics, Montonen Olive duality is the oldest known example of S duality or a strong weak duality. It generalizes the electro magnetic symmetry of Maxwell s equations. It is named after Finnish Claus Montonen and British David… …
63Karplus equation — The Karplus equation, named after Martin Karplus, describes the correlation between 3J coupling constants and dihedral torsion angles in nuclear magnetic resonance spectroscopy::J(phi) = A cos^2 phi + B cos,phi + Cwhere J is the 3 J coupling… …
64protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …
65Montonen–Olive duality — In theoretical physics, Montonen–Olive duality is the oldest known example of S duality or a strong weak duality. It generalizes the electro magnetic symmetry of Maxwell s equations. It is named after Finnish Claus Montonen and British David… …
66Phonograph — Turntable redirects here. For other uses, see Turntable (disambiguation). Edison cylinder phonograph ca. 1899 …
67Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… …
68Nuclear magnetic resonance spectroscopy — A 900MHz NMR instrument with a 21.2 T magnet at HWB NMR, Birmingham, UK Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy, is a research technique that exploits the magnetic properties of certain atomic nuclei… …
69NMR spectroscopy — Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy, is the name given to a technique which exploits the magnetic properties of certain nuclei. This phenomenon and its origins are detailed in a separate section on… …
70Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
