(n.) A portion of a curved line; as, the arc of a circle or of an ellipse.
(n.) A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant.
(n.) An arch.
(n.) The apparent arc described, above or below the horizon, by the sun or other celestial body. The diurnal arc is described during the daytime, the nocturnal arc during the night.
Example Sentences:
(1) The scleral arc length is slightly longer than the chord length (caliper setting).
(2) These later results suggest that dopamine agonists increase sensorimotor reactivity measured with acoustic startle by acting on sensory rather than motor parts of the reflex arc.
(3) Thus, the decreased hyperemic response after arrest suggests a reduced energetic debt with CSC compared with ARC and may indicate superior myocardial protection with CSC.
(4) By contrast, patients with urological symptoms had a significantly increased prevalence of spina bifida occulta at S1 and S2 and a higher level of opening of posterior sacral arcs.
(5) The peptide-TR-FIA is specific, as assessed by testing HIV-1 positive sera which included samples from AIDS, ARC patients and HIV-positive drug users.
(6) In a multivariate regression model noncompliance was significantly associated with the absence of AIDS or ARC (p less than 0.001), homelessness (p less than 0.005), and alcoholism (p less than 0.05).
(7) This protein did show an immunoglobulin arc on immunoelectrophoresis against abovementioned antibody and against rabbit anti mouse Ig serum.
(8) Looping the tail of a "g", flicking the line up from the end of an "m", arcing it over an "a" or an "o".
(9) In contrast, the relative percentage of polyunsaturated fatty acids was 85% greater than normal (P less than 0.001) in ARC and 100% greater than normal (P less than 0.001) in AIDS-I patients.
(10) Average range of motion was from 17.1 degrees to 44.3 degrees, with an arc of 27.2 degrees.
(11) A subsequent S3 encountered further nonuniformly shortened refractoriness (normal areas had shortened refractoriness greater than ischemic areas) and the arc of block was lengthened.
(12) The technique consists of 3 pairs of non-coplanar arcs using a 4 MV accelerator.
(13) Experiments following depletion of norepinephrine suggest that the central part of the baroreceptor reflex arc does not contain adrenergic neurons.
(14) High concentrations of SST inhibited virus replication in 80% of LC from ARC patients, but were completely ineffective in LC from AIDS patients.
(15) In our series of 46 patients with Ad35 isolates, 36 had AIDS or AIDS-related complex (ARC), seven patients were immunocompromised because of other diseases, and three patients were "normal."
(16) The possibility of contaminating the breathing air zone with hazardous substances in manual and semi-automated welding increases with the intensity of their formation in the arc zone.
(17) Optical differences between a mercury arc lamp and a laser-illuminated flow cytometer are compared.
(18) In this report, we have compared homogeneous yeast (Saccharomyces cerevisiae) pyruvate kinase to enzyme from cell-free extracts in several different ways: 1) isoelectric focusing of cell-free extracts indicates one peak of pyruvate kinase activity whose isoelectric point is the same as that of the pure enzyme; 2) antibody prepared to the pure enzyme produces a single, fused precipitin line against enzyme in the cell-free extract and pure enzyme; 3) immunoelectrophoresis of cell-free extract produces one precipitin arc which has the same mobility as that of the pure enzyme; and 4) immunoprecipitation of the pure enzyme from cell-free extract with subsequent solubilization in 1% sodium dodecyl sulfate and electrophoresis on sodium dodecyl sulfate-polyacrylamide gels produces a single protein band attributable to pyruvate kinase which co-migrates with the purified enzyme.
(19) There were no significant differences in ARn concentrations in eight other nuclei that were examined for significant sex differences in ARc levels observed under these experimental conditions.
(20) Cells from subjects with ARC had a selective antigen recognition defect independent of the number of CD4+ lymphocytes.
Radian
Definition:
(n.) An arc of a circle which is equal to the radius, or the angle measured by such an arc.
Example Sentences:
(1) The masking level difference (MLD) is a psychoacoustic phenomenon derived from the subtraction of S pi No thresholds (signals pi radians out of phase and noise in phase at the two ears) from SoNo thresholds (signals and noise in phase at the two ears).
(2) This equation is substantiated by Brand's work on radians and by intraoperative studies.
(3) The subjects ran at each of five treadmill inclinations: +0.17, +0.077, 0, -0.077, and -0.17 radians.
(4) During agarose gel electrophoresis, alternately applying the electrical potential gradient (E) in two directions (separated by an angle, psi) has been used to enhance the separation by length of linear, double-stranded DNA; the value of psi is usually between 0.5 pi and 0.7 pi radians (Cantor et al.
(5) The phases are also quite realistic, though asymptoting at somewhat lower values (about -6 pi radians) than observed physiologically.
(6) A triaxial elgon was used to measure the movement of each subject's right and left knees when running on a horizontal or laterally inclined treadmill at 2.4 m.s-1 during each experimental condition (on the horizontal surface and on cambers of +0.087, +0.174, -0.087, and -0.174 radians).
(7) The transporter was purified by use of all steps except that for the lectin chromatography [Radian, R., Bendahan, A., & Kanner, B.I.
(8) The peak leg force reaches a maximum at a treadmill angle near -0.12 radians, close to the downhill angle where other authors have found a minimum in the rate of oxygen consumption.
(9) Addition of 0.4 mM CaCl2 to the reactivation buffer increased the proximal bend angle to 5 radians.
(10) Upon papain treatment, a reconstitutively active transporter can be isolated upon lectin chromatography (Kanner, B. I., Keynan, S., and Radian, R. (1989) Biochemistry 28, 3722-3728).
(11) By use of a psi = 1.4 pi radians, the band of 48.5 Kb monomeric open circular lambda DNA is sometimes accompanied by at least three other bands of open circular DNA; the latter are presumed to be those formed by dimeric, trimeric and tetrameric open circular lambda DNA.
(12) A biopsy of the biceps muscle of each arm was taken 2 days after exercise when muscles were very sore (mean = 8.0; 1 = normal; 10 = very, very sore), and muscle damage was documented by a mean decrease of 0.2 radians in the relaxed elbow angle.
(13) A good correlation was observed between the duration of paradoxical systolic flow and indexes of regional wall motion (radian shortening of the involved myocardium) (r = 0.77) and global ejection fraction derived from cineangiography (r = 0.79).
(14) The menmbrane potential of myelinated axons in the resting state shows fluctuations for which the power per cycle of bandwidth is inversely proportional to frequency between I and 10,000 radians per second.
(15) With this cycle, an unrealistically large angular deviation of the cross-bridges, equivalent to 3.0 radians, is required to obtain bending waves of normal amplitude.
(16) To separate linear from open circular DNA and to fractionate by length both of these conformational forms, the following procedure of two-dimensional agarose gel electrophoresis has been developed: (a) a first dimension performed by use of RGE and a psi of 1.4 pi radians, (b) a second dimension performed with an invariant electrical field.
(17) Concerning ultradian rhythms of mean and great periods (40 min less than tau less than 24 hr), food and water suppression diminishes their amplitudes (by 58.4% in L and 32.4% in D) and changes their phases (by a 1.29 radian advance in L and a 0.68 radian delay in D).
(18) At 0.05 Hz we found: phi = 0.189 - 0.00788 P radians and at 2.22 Hz: phi = 0.0723 + 0.000428 P. The slope of both lines is not significantly different from zero slope (alpha = 0.05).
(19) Methods of demembranation and reactivation of Lytechinus pictus sperm were developed that result in non-motile sperm which take on a stable bend of about 3.5 radians at the proximal end of the cell.
(20) We extend our model of angular homeostasis to correction functions that have a single maximum at a discrepant angle less than pi radians.