(a.) Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis.
Example Sentences:
(1) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(2) From these data it is possible to predict theoretically the apparent temperature difference as seen by an infrared scanner or radiometer with a detector of which the spectral detectivity, D (lambda), is known.
(3) Ultraviolet difference spectrophotometry indicates that the inactivated enzyme retains its capacity for binding the nucleotide substrates whereas the spectral perturbation characteristic of 3-phosphoglycerate binding is abolished in the modified enzyme.
(4) In scanning of more than 20 Hz frequency, the spectral pattern also reflected the characteristics of the cone system.
(5) The probable reaction mechanisms prevailing in both cases are discussed in accordance with the low and high resolution mass spectral data presented.
(6) Four types of behavior were observed with increasing stimulation level: 1) the two spectral parameters and conduction velocity both increased with stimulation in 15 experiments, 2) the two spectral parameters decreased and conduction velocity increased in 8 experiments, 3) the two spectral parameters and conduction velocity both decreased in 6 experiments, and 4) the two spectral parameters increased and conduction velocity decreased in 3 experiments.
(7) In the analysis of background fluorescence, the principal components were, as for the two-step technique, autofluorescence and propidium spectral overlap.
(8) Starting from the observation that the part above 6 Hz of the power spectrum of force tremor during isometric contractions can be related to the unfused twitches of motor units firing asynchronously, an attempt was made to study the usefulness of force tremor spectral analysis as a global descriptor of motoneurone pool activity.
(9) Spectral changes were observed before histologic changes were apparent.
(10) Approaches have been worked out for the determination of qualitative composition of the mixtures and spectral parameters.
(11) Their structures were deduced as 3-O-beta-D-glucopyranosyl (1----3)-alpha-L-rhamnopyranosyl (1----2)-alpha-L-arabinopyranosyl hederagenin 28-O-beta-D-glucopyranosyl (1----6)-beta-D-glucopyranosyl ester (VII) and 3-O-alpha-L-rhamnopyranosyl (1----3)-beta-D-glucopyranosyl (1----3)-alpha-L-rhamnopyranosyl (1----2)-alpha-L-arabinopyranosyl hederagenin 28-O-beta-glucopyranosyl (1----6)-beta-D-glucopyranosyl ester (VIII), based on spectral analysis and chemical evidences as well as results of 2D-HPTLC.
(12) The melting profile exhibited two transitions--one at about 35 degrees C and one above 50 degrees C. Our spectral data showed that helices I and II were stable during the first transition, and agreed with other data that helix III was the most likely helix to have melted.
(13) The pH dependence of this spectral change gave a sigmoidal curve fitted well to a theoretical curve of a cooperative release of two protons with a pK value of 7.5, indicating the existence of the acidic and alkaline forms of the ferrous CO enzyme.
(14) The respiratory functions of the oropharynx, larynx, and trachea of normal human fetuses in utero were explored by means of real-time, two-dimensional ultrasonography combined with color-flow and spectral Doppler analysis.
(15) The spectral interaction between Hoechst and chromomycin is quantified.
(16) RR spectra of fatty acyl-CoA and its complexes are consistent with the previous hypothesis that visible spectral shifts observed during formation of acetoacetyl-CoA and crotonyl-CoA complexes of fatty acyl-CoA dehydrogenase result from charge-transfer interactions in which the ground state is essentially nonbonding as opposed to interactions in which complete electron transfer occurs to form FAD semiquinone.
(17) 4, 669-679), on the other hand, operates only on a collection of spectral data to extract the common spectral components with their spectral weights.
(18) On the basis of spectral and chemical evidence, pedicularioside E and F were identified to be 1'-O-beta-D-(3-methoxy-4-hydroxy-beta-phenyl)-ethyl-6'-O-feruloyl- alpha-L-(2-acetyl)-rhamnosyl-(1----3')-4'-acetylglucopyranoside and shanzhisin methyl ester cellobioside, respectively.
(19) The reports of rod-dominated psychophysical spectral sensitivity from the deprived eye of monocularly lid-sutured (MD) monkeys are intriguing but difficult to reconcile with the absence of any reported deprivation effects in retina.
(20) Comparison of implant-user performance with the temporal-only data reported here can help determine whether the speech information available to the implant user consists of entirely temporal cues, or is augmented by spectral cues.
Spectrum
Definition:
(n.) An apparition; a specter.
(n.) The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed or studied either as spread out on a screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope.
(n.) A luminous appearance, or an image seen after the eye has been exposed to an intense light or a strongly illuminated object. When the object is colored, the image appears of the complementary color, as a green image seen after viewing a red wafer lying on white paper. Called also ocular spectrum.
Example Sentences:
(1) Hypothyroidism complicated by spontaneous hyperthyroidism is an interesting but rare occurrence in the spectrum of autoimmune thyroid disorders.
(2) Along the spectrum of loyalties lie multiple loyalties and ambiguous loyalties, and the latter, if unresolved, create moral ambiguities.
(3) As May delivered her statement in the chamber, police helicopters hovered overhead and a police cordon remained in place around Westminster, but MPs from across the political spectrum were determined to show that they were continuing with business as usual.
(4) The reference library used in the operation of a computerized search program indicates the closest matches in the reference library data with the IR spectrum of an unknown sample.
(5) This transient paresis was accompanied by a dramatic fall in the MFCV concomitant with a shift of the power spectrum to the lower frequencies.
(6) Achilles tendon overuse injuries exist as a spectrum of diseases ranging from inflammation of the paratendinous tissue (paratenonitis), to structural degeneration of the tendon (tendinosis), and finally tendon rupture.
(7) Symptoms consistent with major affective disorder were present in one half and depressive spectrum diagnoses were made in one fourth of the cases prior to final diagnosis.
(8) The power spectrum of the EMG was analyzed during isometric contractions of the shoulder muscles.
(9) However, two methodologic factors might account for the covariation of these 'schizophrenia spectrum' personality traits and measures of brain function.
(10) The spectrum of one of these species ressembles that of a N(5)-C(4a) dihydroflavin adduct.
(11) Cefuzoname seems to be among the middle ranks of beta-lactam agents as far as penetration rate is concerned; however, when its potent antibacterial activity and broad spectrum are taken into account, the concentrations in CSF in patients with meningitis seem worth examining.
(12) (Tokyo) 58, 227), yields a protein mixture that has a time-dependent 13C-NMR spectrum.
(13) Respiratory muscle endurance at a given level of load was assessed from the time of exhaustion and from the time course of the change in the power spectrum (centroid frequency) of the diaphragm electromyogram (EMG).
(14) Sodium taurolithocholate, a monohydroxy bile salt, does not affect the CD spectrum of CEase, and neither the di- or the monohydroxy bile salt activates the enzyme.
(15) Broad-based secular comprehensives that draw in families across the class, faith and ethnic spectrum, entirely free of private control, could hold a new appeal.
(16) Starting from the observation that the part above 6 Hz of the power spectrum of force tremor during isometric contractions can be related to the unfused twitches of motor units firing asynchronously, an attempt was made to study the usefulness of force tremor spectral analysis as a global descriptor of motoneurone pool activity.
(17) This technique may help to a better understanding of the spectrum of abnormalities in each type of neurofibromatosis, thus facilitating the evaluation of this complex condition.
(18) An unusual spectrum of craniofacial and foot abnormalities has been detected within a large midwestern Amish kindred.
(19) No new peak appears in the ultraviolet spectrum (240 approximately 300 nm) while mycobacillin is inactivated.
(20) The sequential resonance assignment of the 1H NMR spectrum of the antihypertensive and antiviral protein BDS-I from the sea anemone Anemonia sulcata is presented.