(n.) The state or quality of being constant or steadfast; freedom from change; stability; fixedness; immutability; as, the constancy of God in his nature and attributes.
(n.) Fixedness or firmness of mind; persevering resolution; especially, firmness of mind under sufferings, steadiness in attachments, or perseverance in enterprise; stability; fidelity.
Example Sentences:
(1) The author differentiates between two modes of perception, one is the "expressive" mode, stabilizing and aiming at constancy, the other is the "impressive" mode, penetrating the self and aiming at identification with the percept.
(2) While numerous studies on infant perception have demonstrated the infant's ability to discriminate sounds having different frequencies, little research has evaluated more sophisticated pitch perception abilities such as perceptual constancy and perception of the missing fundamental.
(3) The conference heard that Stewart Hosie, the SNP’s Treasury spokesman at Westminster, had been elected as deputy leader after seeing off challenges from Holyrood ministers Keith Brown and Angela Constance.
(4) A digital constancy meter which has been used in our institution uses a plane-parallel chamber for daily morning output checks of treatment machines.
(5) The constancy of the lifetime-normalized phosphorescence yield with apoazurin and with Trp-314 in alcohol dehydrogenase establishes that the intersystem crossing quantum yield is practically unaffected across the temperature range.
(6) The results indicated that for most of the variables studied the reproducibility of measurements was better within the test session (reliability) than between the different test days (constancy).
(7) Marked and prolonged disturbances were revealed in the deposition of the endogenous serotonin characterized by definite regularities in all the tissues under study, connected with the changes of the relative constancy of the enteral medium due to the absence of pancreatic secretion in the lumen of the digestive tube.
(8) The simplest models make a variety of unrealistic assumptions and an outline is presented of how the assumptions of fingerprint band population frequency equality and mutation rate constancy can be relaxed to produce a more realistic and powerful model.
(9) The constancy of the wavelength-dependence of light-scattering and ultrastructural criteria indicate that microtubules of normal morphology are formed in both phases of the assembly process.
(10) It was concluded that the attention was involved both in figure-ground segregation and in maintaining object constancy.
(11) GLA (10(-7)M), attenuated significantly the spontaneous decrement of contractile constancy exhibited by control preparations during a period of 180 min of activity in isolation, whereas BPB (10(5) M) resulted in an augmented and faster decrement of inotropic constancy.
(12) 4) The constancy of the sum of nucleotides as long as glucose is present is postulated to be due to resynthesis via adenosine kinase which competes successfully with adenosine deaminase.
(13) Brightness constancy occurred for high-contrast stimuli and under sustained viewing conditions.
(14) In two studies using push up and prism vergence exercises the conflict is shown to result from differences in the constancy of effort.
(15) The same is true for the water content: constancy without significant decrease during the investigated life periods and without sex dependent differences.
(16) The variables examined were frequency, longevity, and constancy of intergenerational contact, problem discovery and problem resolution procedures, physical environment, and activity structure.
(17) A new procedure for detecting departures from constancy of the parameters of a probabilistic model over a period of time is proposed.
(18) Knowledge of the salt dependences of ka and of the observed equilibrium constance Kobs of the ligand-nucleic acid interaction should usually be sufficient to determine whether a screening controlled mechanism or a pre-equilibrium mechanism is suitable to describe the process.
(19) Using pairs of cinematograms, direction discrimination of global motion was measured under various conditions of direction distribution bandwidth, exposure duration, and constancy of each dot's path.
(20) To assess the local glomerular actions of LTD4 independently of these systemic effects, glomerular microcirculatory dynamics were assessed during LTD4 infusion while constancy of renal perfusion pressure and plasma volume were maintained by partial aortic constriction and isoncotic plasma infusion, respectively.
Invariability
Definition:
(n.) The quality of being invariable; invariableness; constancy; uniformity.
Example Sentences:
(1) In X-irradiated litters, almost invariably, the incidence of anophthalmia was higher in exencephalic than in nonexencephalic embryos and the ratio of these incidences (relative risk) decreased toward 1 with increasing dose.
(2) On the other hand, the injection of minute quantities of endotoxin into PbAc(2)-sensitized rats invariably resulted in disseminated intravascular coagulation, apparently via a complete activation of the intrinsic pathway.
(3) The cytoplasmic and membrane spanning domains of galactosyltransferase were found to be sufficient to retain all of the hybrid invariant chain in trans Golgi cisternae as judged by indirect immunofluorescence, treatment with brefeldin A and immuno-electron microscopy.
(4) The purification and concentration of these viruses in their monomeric forms is hazardous when conventional "tube" rotors are used since they invariably result in dissociation and aggregation of the virus particles.
(5) In contrast, cases of parkinsonism beginning before age 21 years were invariably familial.
(6) Examination of the two types of tissue fragments revealed that IS-treated ICMs almost invariably retained viable endoderm cells whereas MS-isolated ectoderms did so only exceptionally.
(7) It is suggested that a general manner of folding may be a common feature of the heterogeneous population of kappa-chains: one bridge which folds an invariable stretch of the chain, another bridge which folds a stretch that varies from protein to protein, and a bridge at the C-terminus which is the interchain link.
(8) An obsessional artist who was an enemy of all institutions, cinematic as well as social, and whose principal theme was intolerance, he invariably gets delivered to us today by institutions - most recently the National Film Theatre, which starts a Dreyer retrospective this month - that can't always be counted on to represent him in all his complexity.
(9) Patients with anti-NC1 antibodies were characterised by linear immune deposits along the glomerular basement membrane and the clinical outcome was invariably grim.
(10) The PCR amplified a 375-bp DNA fragment which was cloned and sequenced; the deduced amino acid sequence had significant identity with known TS sequences, including strict conservation of all phylogenetically invariant TS amino acid residues.
(11) Using confirmatory factor analysis on an independent sample (N = 377), these dimensions were tested for factorial invariance across spouse and nonspouse caregivers and between caregivers of persons with cancer and those caring for persons with Alzheimer's disease.
(12) The species invariance of this lysine residue, number 175, and the substantial conservation of adjacent sequence support the probability for a functional role in catalysis of the lysyl epsilon-amino group.
(13) Under these assumptions, any time-invariant variable may behave like a metabolite concentration, i.e.
(14) However, in conical cells the new oral apparatus and fission line form well posterior to the cell equator, so the opisthes are invariably smaller than proters.
(15) Unlike posterior tympanoplasty, this technique makes it possible to meticulously remove the osteitic bone invariably found in the facial recess when there is infection of the retraction pocket.
(16) Limited data indicates that, while enhanced thermal stability invariably results, the optimum temperature for catalysis may not change.
(17) The relative invariance of the allometric baselines of wing morphology in nature is most easily explained as the result of continuous natural selection around a local optimum of functional design.
(18) When the paper had some explaining to do, Kuttner was invariably asked to carry out that task.
(19) We found that NS1 cells express correctly sized mRNA for the MHC class II genes A alpha, E alpha and the invariant chain.
(20) When we reached our summit, or whatever spot was deemed by my father to be of adequately punishing distance from the car to deserve lunch, Dad would invariably find he had forgotten his Swiss army knife (looking back, I begin to doubt he ever had one) and instead would cut cheese into slices with the edge of his credit card.