sensitivity shift

См. также в других словарях:

• Chemical shift — In nuclear magnetic resonance (NMR) spectroscopy, the chemical shift is the resonant frequency of a nucleus relative to a standard. Often the position and number of chemical shifts are diagnostic of the structure of a molecule.[1][2][3] Chemical… …   Wikipedia

• Climate sensitivity — is a measure of how responsive the temperature of the climate system is to a change in the radiative forcing. It is usually expressed as the temperature change associated with a doubling of the concentration of carbon dioxide in Earth s… …   Wikipedia

• Direct-Shift Gearbox — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic Dual …   Wikipedia

• Phase-shift mask — Phase shift masks are photomasks that take advantage of the interference generated by phase differences to improve image resolution in photolithography. There exist alternating [cite web|url = http://www.freepatentsonline.com/6977127.html | title …   Wikipedia

• Electrophoretic mobility shift assay — An electrophoretic mobility shift assay (EMSA), also referred as a gel shift assay, gel mobility shift assay, band shift assay, or gel retardation assay, is a common technique used to study protein DNA or protein RNA interactions. This procedure… …   Wikipedia

• Amplitude-shift keying — (ASK) is a form of modulation that represents digital data as variations in the amplitude of a carrier wave.The amplitude of an analog carrier signal varies in accordance with the bit stream (modulating signal), keeping frequency and phase… …   Wikipedia

• purkinje shift — noun see purkinje phenomenon * * * Purkinje shift, the adaptation of the eye to darkness by increasing sensitivity to light of shorter wavelength. ╂[< Johannes E. Purkinje] …   Useful english dictionary

• dark adaptation — därk n the phenomena including dilation of the pupil, increase in retinal sensitivity, shift of the region of maximum luminosity toward the blue, and regeneration of rhodopsin by which the eye adapts to conditions of reduced illumination compare …   Medical dictionary

• Nuclear magnetic resonance — This article is about the physical phenomenon. For its use as a method in spectroscopy, see Nuclear magnetic resonance spectroscopy. NMR redirects here. For other uses, see NMR (disambiguation). First 1 GHz NMR Spectrometer (1000 MHz,… …   Wikipedia

• spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

• eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …   Universalium