(a.) In the form of, or bounded by, a circle; round.
(a.) repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning.
(a.) Adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic.
(a.) Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter.
(a.) Perfect; complete.
(a.) A circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular.
(a.) A sleeveless cloak, cut in circular form.
Example Sentences:
(1) By hybridization studies, three plasmids in two forms (open circular and supercoiled) were detected in the strain A24.
(2) When irradiated circular DNA, previously nicked by T4 endonuclease V, is briefly exposed to elevated temperature, the DAN becomes susceptible to the action of exonuclease V, and pyrimidine dimers are selectively released.
(3) Circular muscle strips from the opossum esophageal body obtained 3-5 cm above the esophagogastric junction were suspended in organ baths for measurement of isometric tension.
(4) Noradrenaline decreased the phasic contraction amplitude of the circular muscle and exerted a stimulant effect on the tone which suggested an existence of two alpha 1-adrenoceptor subtypes.
(5) After methylene blue, the gradient in resting potential across the circular layer was greatly reduced or abolished.
(6) Circular dichroism (CD) spectra indicating different local orientation of oxazolone, when coupled to L or D side chain-terminating amino acids, support this suggestion.
(7) The alpha-helical content of the free form of the lipoprotein was measured from the circular dichroism spectrum of the lipoprotein in 0.01% sodium dodecyl sulfate and found to be 87%.
(8) Parameters affecting assembly of these complexes were sequences in circular DNA templates, sizes and sequences of linear DNA templates, temperature and incubation time.
(9) The mechanisms underlying the biphasic response (BR) of the circular muscle of the guinea pig ileum (CMGPI) to bradykinin (BK) have been examined.
(10) The distribution and lateral mobility of VDCCs on CA1 hippocampal neurons have been determined with biologically active fluorescent and biotinylated derivatives of the selective probe omega-conotoxin in conjunction with circular dityndallism, digital fluorescence imaging, and photobleach recovery microscopy.
(11) The structure of the Z-helix antigen was confirmed by circular dichroism (CD) and U.V.
(12) Dustin Benton Dustin Benton, head of resource stewardship, Green Alliance Creating a circular economy will take action in three areas: the economy, policy and politics, and innovation.
(13) Anastomotic devascularization has been incriminated in the development of post-operative complications (fistula, stenosis) of circular stapling.
(14) If people approach it in the right way and we show that this is a development agenda – it’s competitiveness, it’s jobs – then why wouldn’t it be adopted.” Read more like this: How much do you know about the circular economy?
(15) When the method proposed by Trela (1975) is applied, thin layers of the petrous crest are chiselled out until the common crus of the superior and posterior semi-circular becomes apparent.
(16) A comparison of the conformation of Folch-Pi apoprotein in organic solvent and in aqueous solutions has been made by ESR, infrared and circular dichroism spectroscopy studies.
(17) In the group of malignant schizophrenia, irrespective of the stage of the disease and in the group of circular forms there was a definite drop in the activity of cytochromoxidase, succinatedehydrogenase and MAO, while as the activity of the ATP-ase and peroxidase was increased.
(18) Circular cuts which surgically isolated the medial basal hypothalamus (MBH) from the remainder of the brain did not prevent copulation 4 to 24 h later, but did block reflex ovulation.
(19) Monodispersed N- and C-protected linear homo-oligomethionines (n = 2- -7) are studied by measurements of circular dichroism in the vacuum ultraviolet region.
(20) The first stage is characterized by circular disturbances of conditioned activity, vegetative shifts of compensatory character and intensification of individual characteristics of behaviour.
Nutation
Definition:
(n.) The act of nodding.
(n.) A very small libratory motion of the earth's axis, by which its inclination to the plane of the ecliptic is constantly varying by a small amount.
(n.) The motion of a flower in following the apparent movement of the sun, from the east in the morning to the west in the evening.
(n.) Circumnutation.
Example Sentences:
(1) The effect on the signal intensities of cerebrospinal fluid (CSF) and iophendylate (Pantopaque) and on CSF-iophendylate contrast was studied in vitro with a small-nutation-angle (alpha) gradient refocused magnetic resonance (MR) imaging technique (GRASS) as alpha, repetition time (TR), and echo time (TE) were varied.
(2) 2D 27Al nutation MAS NMR was used to corroborate the line assignment for the as-synthesized and the rehydrated AlPO4-17.
(3) The families that do not show consistent differences are not necessarily harbouring nutations at the same locus, or the same mutation at any particular locus.
(4) The mutation which makes T7 DNA sensitive to the endonuclease is separable from the amber nutation and located between am28 and am233 (gene 6).
(5) Solid-state 27Al NMR spectra of several aluminophosphate molecular sieves have been recorded with conventional magic-angle spinning (MAS), double-rotation (DOR) and quadrupole nutation with fast MAS.
(6) Enhanced resolution was obtained in the quadrupole nutation experiment at certain radiofrequency pulse strengths.
(7) There was a high correlation between measurements obtained with the variable nutation and partial saturation techniques.
(8) The one phase is the intermediate phase where dilatation of the cervix is almost complete and where there is an instinctive reflex that delivery is going to take place and this is very strong, and this is what starts off the oscillation (contra-nutation) of the sacrum and full engagement.
(9) The apparent T2 is influenced by the magnitude of the nutation angle inhomogeneity across the slice and paradoxically is not always more accurate with larger numbers of echoes.
(10) The accuracy of measurement of the spin-lattice relaxation time (T1) in biological systems using the variable nutation angle method is discussed using computer simulations.
(11) The spin nutation properties of frequency selective (space selective in combination with a magnetic field gradient) trains of radiofrequency micropulses were studied in a numeric model.
(12) Cross-polarization magic-angle spinning 13C and 15N NMR, rotational-echo double resonance 13C NMR, and delays alternating with nutation for tailored excitation-difference 13C NMR spectra have been obtained from lyophilized cell walls of Bacillus subtilis grown on a synthetic medium containing D,L-[2-13C, 15N]aspartate and D-[1-13C]alanine.
(13) Transparent pulses are defined by the property of having no net effect on stationary spins, while selectively nutating and dephasing flowing spins.
(14) This "variable nutation" techniques was investigated using a T1 phantom.
(15) We conclude that the variable nutation method may allow measurement of T1 relaxation times with a significant reduction in acquisition time compared to partial saturation techniques.