R strain

R strain
rough strain a type of strain that results from bacterial dissociation; rough or R colonies have a dull, uneven surface and irregular border, the growth in fluid media tends to flake out, no capsules are seen, and the culture tends to be less virulent.

Medical dictionary. 2011.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Strain — can refer to: * Strain (biology), a variant of a plant, virus or bacterium; or an inbred animal used for experimental purposes * Strain (chemistry), a chemical stress of a molecule * Strain (continuum mechanics), the deformation of materials… …   Wikipedia

  • Strain — Strain, v. t. [imp. & p. p. {Strained}; p. pr. & vb. n. {Straining}.] [OF. estraindre, estreindre, F. [ e]treindre, L. stringere to draw or bind tight; probably akin to Gr. ? a halter, ? that which is squeezwd out, a drop, or perhaps to E. strike …   The Collaborative International Dictionary of English

  • Strain engineering — refers to a general strategy employed in semiconductor manufacturing to enhance device performance. Performance benefits are achieved by modulating strain in the transistor channel, which enhances electron mobility (or hole mobility) and thereby… …   Wikipedia

  • străin — STRĂÍN, Ă, străini, e, adj., s.m. şi f. (Persoană) care face parte din populaţia altei ţări decât aceea în care se află sau trăieşte; (om, fiinţă) care este originară din altă regiune, localitate etc. decât aceea în care se află sau locuieşte,… …   Dicționar Român

  • Strain — Strain, n. 1. The act of straining, or the state of being strained. Specifically: [1913 Webster] (a) A violent effort; an excessive and hurtful exertion or tension, as of the muscles; as, he lifted the weight with a strain; the strain upon a ship …   The Collaborative International Dictionary of English

  • Strain Encoding MRI — Strain Encoding (SENC) in Magnetic Resonance ImagingSENC is a technique developed by Nael Osman s group at Johns Hopkins University for imaging the strain of deforming tissue using MRI. Introduction Strain encoding is the third type of encoding… …   Wikipedia

  • strain — strain1 [strān] vt. [ME streinen < OFr estraindre, to strain, wring hard < L stringere, to draw tight: see STRICT] 1. to draw or stretch tight 2. to exert, use, or tax to the utmost [to strain every nerve] 3. to overtax; injure by… …   English World dictionary

  • strain# — strain n 1 *variety, subspecies, race, breed, cultivar, clone, stock 2 streak, vein, *touch, suggestion, suspicion, soupçon, tincture, tinge, shade, smack, spice, dash strain vb 1 sprain (see under STRAIN n 2) *demur, scruple, balk, jib, shy,… …   New Dictionary of Synonyms

  • Strain scanning — refers to several diffraction based techniques using X rays and neutrons where the crystalline lattice of a material is, in effect, used as a form of strain gauge. The various methods are derived from powder diffraction but look for the small… …   Wikipedia

  • strain — [n1] pain, due to exertion ache, anxiety, bruise, brunt, burden, constriction, effort, endeavor, exertion, force, injury, jerk, pressure, pull, sprain, stress, stretch, struggle, tautness, tension, tensity, twist, wrench; concept 728 Ant. health …   New thesaurus

  • Strain rate — Strain rate, with regards to materials science, is the change in strain over the change in time and is denoted as έ.έ = δε/δtWe have :έ = δε/δt = frac{1}{ell 0} frac{dell}{dt} = frac{v}{ell 0}where ell 0 is the original length and v is the speed… …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”