(n.) In the quaternion analysis, a quantity that has magnitude, but not direction; -- distinguished from a vector, which has both magnitude and direction.
Example Sentences:
(1) Scalar electrocardiograms contain a great deal of vectorial data.
(2) The cumulative radiation effect (CRE) is one of several empirical scalar descriptions of biological effect which enable corrections to be made for gaps in radiotherapy treatment.
(3) Light scatter from epithelial cells in a slit-scan flow system is modeled using the Fraunhofer condition of scalar diffraction theory.
(4) The mechanical response is shown in terms of displacements, principal strains, and a new measure called the 'mechanical intensity scalar'.
(5) The waveform analysis employed by the program considers the vectorcardiogram as a three dimensional entity rather than as scalar or planar representations.
(6) Scalar couplings from correlated experiments and interproton distances from NOESY experiments at short mixing times have been used to determine glycosidic angles, sugar puckers, and other conformational features.
(7) A positive R wave in lead aVR of the scalar ECG and poor R wave progression in the precordial leads were more common in Group A than in Group B (p less than 0.001 and p less than 0.001, respectively).
(8) There was no statistically significant difference between the means of the measured values of the polarcardiogram and of the corresponding polar components calculated from the three scalar ECG concerning all twenty items, namely spatial magnitude, magnitudes in each plane, each longitude and latitude at the time of the spatial maximum QRS and T vectors, except alpha-longitude.
(9) Some commonly used parametric and non-parametric statistical procedures (such as Students t-test, linear regression, Mann-Whitney and Wilcoxon tests) illustrate the use of scalars.
(10) Two-dimensional scalar correlated spectroscopy (COSY), two-dimensional dipolar correlated spectroscopy (NOESY) and two-dimensional relayed coherance transfer spectroscopy (RCT) experiments were recorded, allowing most resonances arising from the aromatic and methyl-containing residues to be assigned in the spectrum.
(11) The patients were followed up serially by means of scalar electrocardiograms and 24 hour Holter monitoring studies.
(12) Since 1979 the quality control design proposed by the Italian ad hoc Committee has evaluated several lyophilized preparations with scalar receptor content; this permits the identification by linear regression analysis of systematic and non systematic errors.
(13) The 1H-1H scalar coupling observed in both the 2H and 1H NMR spectra was used to assign definitively the resonances of labeled species.
(14) In the 32 postinfarction patients the "P-terminal force" was also measured from lead V1 of the scalar electrocardiogram.
(15) This in turn causes the transverse relaxation rate for the 199Hg spin-coupled methyl protons to be fast due to efficient relaxation by another mechanism, scalar relaxation of the second kind.
(16) We report our experience of the use of a scalar type incision associated with a total skin graft in the treatment of recurrences of Dupuytren's contracture.
(17) From this comparison, we conclude that scalar exchange does not make a significant contribution to the spin-lattice relaxation of YD.
(18) A penalty function for scalar coupling constants has been applied in molecular dynamics simulations as an experimental constraint.
(19) The observation of a splitting of the PCr 31P resonance in aqueous solutions containing D2O has been recently ascribed to proton scalar coupling but was described earlier in an underappreciated report [Kupriyanov et al.
(20) Membrane depolarization observed in the presence of ferricyanide reduction by plasma membranes of whole cells or tissues or the lag period between ferricyanide reduction and medium acidification argue that only scalar protons may be involved.
Scaler
Definition:
(n.) One who, or that which, scales; specifically, a dentist's instrument for removing tartar from the teeth.
Example Sentences:
(1) The titanium alloy strips were treated with citric acid, stannous fluoride, tetracycline HCl, chlorhexidine gluconate, hydrogen peroxide, chloramine T, sterile water, a plastic sonic scaler tip, and an air-powder abrasive unit.
(2) The factory sharpened scalers exhibited metallic extensions from the lateral surface (wire edges).
(3) Results demonstrate that during tooth cleaning direct contact between ultrasound and turbine-operated scalers and tooth and filling surfaces should be prevented.
(4) Investigators using the sonic scaler should indicate the type of scaling tip, the air pressure input, and the application load used to enable meaningful comparisons to be made between the results of different workers.
(5) An analog scaler was placed behind the PM-tubes to reduce dead-time loss.
(6) Consideration of the rationalized activity coefficient as a linear scaler in an expression for surface pressure as a function of depth in the surface phase permits comparison of surface pressure-area data for monolayers with force-distance data for bilayers.
(7) In each patient one side of the dentition was treated with the Sonicflex and the other with the Titan-S sonic scalers.
(8) Since the introduction of scalers in the beginning of the century for the mechanical removal of plaque, instruments with few major modifications are still in clinical use today.
(9) This study compared the effectiveness of two sonic and two ultrasonic scaler tips on artificial calculus removal from the furcations of mandibular first and second molars.
(10) When assessing clinical studies it is often difficult to interpret results from different workers due to the lack of standardization of the ultrasonic scaler.
(11) The clinical investigation included 66 periodontal pockets which were instrumented subgingivally for 10 and 30 s with ultrasonic or sonic scalers.
(12) It also supports the interpretation of the activity coefficient as a scaler and allows its determination solely from bilayer-derived data.
(13) for the magnetostrictive, piezoelectric, or air turbine sonic scalers.
(14) This study has shown that after waterline sterilization, the use of a sterile, disposable membrane filter can eliminate the microflora from the water of an ultrasonic scaler for up to 48 hours.
(15) Only a thin layer of root substance (11.6 microns) was removed by the ultrasonic scaler, compared to the much greater losses sustained with the airscaler (93.5 microns), the curette (108.9 microns) and the diamond bur (118.7 microns).
(16) Group 1; The cutting quality of both types of the scalers was same at 200 strokes.
(17) The oscillatory performance of the sonic scaler differed from that observed previously with ultrasonic scalers.
(18) These values were lower when turbin-operated scalers were used.
(19) The authors' preferred procedure for sharpening scalers and curettes is described in detail; powered rotary stones are used in grinding the sides of the blade.
(20) The ultrasonic scaler works by the vibratory chipping action of the oscillating tip and is assisted by the presence of cavitational activity in the associated cooling water.