(n.) The process of estimating the caliber a tube, as of a thermometer tube, in order to graduate it to a scale of degrees; also, more generally, the determination of the true value of the spaces in any graduated instrument.
Example Sentences:
(1) The remaining case had a calibre persistent submucosal artery within the caecum that was found incidentally in a resection specimen.
(2) Electromagnetic flow probes with an inner diameter of 2, 1.5 and 1 nm were used for studies on zero-line drifting and for calibration procedures in a series of rats and rabbits.
(3) Thus, the carotid pulse tracing provides an accurate reproduction of the morphology of the pressure tracing recorded from the ascending aorta, and when calibrated by peripheral blood pressure measurement, it can be used to calculate LV pressure throughout ejection.
(4) Statistical diagnostic tests are used for the final evaluation of the method acceptability, specifically in deciding whether or not the systematic error indicated requires a root source search for its removal or is simply a calibration constant of the method.
(5) The reference material, which must behave immunochemically the same as the patient's sample in all methods, is then used to assign a target value to the calibrator in each method and system.
(6) We conclude that the use of the multi-point calibration procedure presented in this article (based on calibration according to the instructions of the manufacturer and NCCLS EP-9P) greatly improves the intra-laboratory comparability and therefore should be part of multi-centre evaluations.
(7) Standard additions are unnecessary; Pt concentrations are read from a calibration chart of peak heights, which is linear up to 1.6 mg per liter.
(8) different plasmas representing seven levels of anticoagulation between international calibrated ratios (ICRs) from 1.5 to 4.5.
(9) The effect of nicotine on the nervous system during rapid smoking of two calibrated cigarettes was measured in twenty subjects: light, medium, heavy and non-smokers, across the changes of a number of electrophysiological variables and in different situations.
(10) The system established for control indicates the performance characteristics of each batch of thromboplastin in patients relative to a national calibration batch.
(11) Calibration is performed in the presence of the color additive by using the external standard method.
(12) Very good stability of the calibration curves (up to 2 months).
(13) Tone pulses and noise stimuli were mixed acoustically and presented using calibrated, sealed stimulating systems.
(14) Because flow and velocity are related, it is possible to estimate flow from velocity measurements with careful calibration and proper precautions.
(15) Calibrators and samples were prepared by mixing 200 microL of whole blood and 200 microL precipitation reagent and centrifuging at 10,000 rpm for 5 min (9600 x g).
(16) The calibration curve is expressed as a ratio of the activity bound to a different concentration of hormone and is described by a linear function with a correlation coefficient higher than 0.995.
(17) They also exhibited variations in calibre and sudden obstructions.
(18) The calibrated aperture in the bottom of each well is small enough to retain fluid contents by surface tension during monolayer growth, but also permits fluid to enter the wells when transfer plates are lowered into receptacles containing washing buffer or test sera.
(19) A method was developed for the preparation of a standard source to satisfy the U.S. Nuclear Regulatory Commission requirement for calibration of wipe-assay procedures used in nuclear medicine laboratories.
(20) Satisfactory calibrations for lactose were obtained with the 2 Milko-scan 203 models with standard errors of estimate of 0.034 and 0.033%.
Gradation
Definition:
(n.) The act of progressing by regular steps or orderly arrangement; the state of being graded or arranged in ranks; as, the gradation of castes.
(n.) The act or process of bringing to a certain grade.
(n.) Any degree or relative position in an order or series.
(n.) A gradual passing from one tint to another or from a darker to a lighter shade, as in painting or drawing.
(n.) A diatonic ascending or descending succession of chords.
(v. t.) To form with gradations.
Example Sentences:
(1) With grievous amazement, never self-pitying but sometimes bordering on a sort of numbed wonderment, Levi records the day-to-day personal and social history of the camp, noting not only the fine gradations of his own descent, but the capacity of some prisoners to cut a deal and strike a bargain, while others, destined by their age or character for the gas ovens, follow "the slope down to the bottom, like streams that run down to the sea".
(2) A gradation in steady-state cyclic guanosine 3',5'-monophosphate (cGMP) levels was observed in incubated slices of these tissues (inner medula greater than outer medulla greater than cortex).
(3) In a multivariate Cox model analysis, the independent correlates of long-term survival were emergent operation with cardiogenic shock (multivariate mortality rate ratio [RR] = 14.0), use of a postoperative intraaortic balloon pump (RR = 3.9), ejection fraction less than 50% (RR = 2.4), preoperative history of congestive heart failure (RR = 2.2), cardiopulmonary bypass time (RR = 1.4 for each 30-minute increment), uncorrected mitral regurgitation (RR = 1.5 for each increment of angiographic gradation), left main coronary artery narrowing (RR = 1.7) and diabetes (RR = 1.6).
(4) To compare this staining with the occurrence of NSE in serum, a histological staining index (HSI) was established by semiquantitative gradation of the staining.
(5) The structural differences are a result of adaptations which allow gradations in mechanical output to be achieved.
(6) Also examined was the gradation of attention effects on efferent modulation demonstrated in animals but never studied in humans.
(7) Results indicate support for the 'coping hypothesis' of post-injury psychological deficits, although effects consistent with a 'gradations of severity' hypothesis were also present.
(8) Immunoglobulin (Ig) A, IgG1, AND IgG2 were detected in the gastrointestinal secretions, with an apparent gradation in stability (IgA greater than IgG1 greater than IgG2) under the conditions investigated.
(9) Thus it appears that there is a gradation of radiation damage to the hypothalamic-pituitary axis which is dependent primarily on the dose received rather than the time interval after radiotherapy.
(10) Histopathologic changes corresponded to the clinical gradation of endophthalmitis, including progressive retinal necrosis.
(11) Adenosine triphosphatase, 5'-nucleotidase, acid phosphatase and nonspecific esterase show continuous gradations of enzyme activity.
(12) • "I made a mistake by allowing myself to get drawn into a great long argument about exactly what the gradations of rape were."
(13) The experimental evidence indicates that gap genes could be responsible for both of these effects: they activate the pair-rule system asymmetrically and, when first expressed, generate a sufficiently complex landscape of concentration peaks and gradations to provide the local cues needed to correctly position and align the pair-rule stripes.
(14) Cell kinetically, urothelial carcinomas yield similar gradations.
(15) Standardized gradations of pain and function showed improvement over-all, but significant impairment remained.
(16) The authors came to the conclusion on the usefulness of such method of identification of the stomatologic material shades and even of the intermediate gradations of these shades.
(17) This latter finding emphasizes the importance of recruitment and especially synchronization of motor unit activity to the gradation of output tension.
(18) The highest row of OHC stereocilia is known to show an orderly gradation in height along the length of the cochlea.
(19) The cells of the plasmacytic category also showed fine gradations from plasmablasts to typical mature plasma cells.
(20) Replacement of Phe-82 in yeast iso-1-cytochrome c with Tyr, Leu, Ile, Ser, Ala, and Gly produces a gradation of effects on (1) the reduction potential of the protein, (2) the rate of reaction with Fe(EDTA)2-, and (3) the CD spectra of the ferricytochromes in the Soret region under conditions where contributions from the alkaline forms of these proteins are absent.