molecular relaxation

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• relaxation phenomenon — ▪ physics and chemistry Introduction       in physics and chemistry, an effect related to the delay between the application of an external stress to a system that is, to an aggregation of matter and its response. It may occur in nuclear, atomic,… …   Universalium

• Relaxation time — is a general concept in physics for the characteristic time in which a system changes to an equilibrium condition from a non equilibrium condition. It can measure the time dependent response of a system to well defined external stimuli.… …   Wikipedia

• Molecular graphics — (MG) is the discipline and philosophy of studying molecules and their properties through graphical representation.[1] IUPAC limits the definition to representations on a graphical display device .[2] Ever since Dalton s atoms and Kekulé s benzene …   Wikipedia

• Molecular tagging velocimetry — (MTV) is a specific form of flow velocimetry, a technique for determining the velocity of currents in fluids such as air and water. In its simplest form, a single write laser beam is shot once through the sample space. Along its path an optically …   Wikipedia

• Relaxation (NMR) — In nuclear magnetic resonance (NMR) spectroscopy and magnetic resonance imaging (MRI) the term relaxation describes several processes by which nuclear magnetization prepared in a non equilibrium state return to the equilibrium distribution. In… …   Wikipedia

• Relaxation (physics) — In the physical sciences, relaxation usually means the return of a perturbed system into equilibrium. Each relaxation process can be characterized by a relaxation time τ. The simplest theoretical description of relaxation as function of time t is …   Wikipedia

• Molecular models of DNA — While this purified DNA precipitated in a water jug (left) appears to be a formless mass, nucleic acids actually possess intricate structure at the nanoscale (right). M …   Wikipedia

• Transverse relaxation optimized spectroscopy — (TROSY) is an experiment in protein NMR spectroscopy that allows studies of large molecules or complexes.The application of NMR to large molecules is normally limited by the fact that the line widths generally increase with molecular mass. Larger …   Wikipedia

• Mindbody relaxation — The goal of mindbody relaxation is to relax both the body and mind. The basic idea is that it s easier to relax your mind if you first relax your body.[1] There are a variety of mindbody relaxation techniques including yoga and meditation.[2]… …   Wikipedia

• Dielectric relaxation — is the momentary delay (or lag) in the dielectric constant of a material. This is usually caused by the delay in molecular polarization with respect to a changing electric field in a dielectric medium (e.g. inside capacitors or between two large… …   Wikipedia

• Dielectric relaxation as a chemical rate process — Dielectric relaxation was interpreted as a chemical rate process by Walter Kauzmann. According to Kauzmann, relaxation rates may be arranged in two or more distinct groups: Depending on how rapidly they change with temperature. In one group, we… …   Wikipedia