(n.) A definite portion of a manifoldness, limited by a mark or by a boundary.
Example Sentences:
(1) The extreme quenching of the dioxetane chemiluminescence by both microsomes and phosphatidylcholine, as a model phospholipid, implies that despite the low quantum yield (approx.
(2) In 1935, Einstein challenged the prevailing interpretation of quantum theory.
(3) Why Corporate America is reluctant to take a stand on climate action Read more “We have these quantum leaps,” Friedberg said.
(4) The 23Na double-quantum signal was quenched in both the extracellular and the intracellular compartments with increasing concentration of Li in each compartment, along with an increase in the 23Na T1 both intra- and extracellularly.
(5) A sound source is commonly spherical, therefore solutions are found for the wave equation in spherical coordinates, giving a precise meaning to the 'azimuthal' and 'magnetic quantum number' analogy.
(6) However, from the results of the second study, which included a control group, it was clearly seen that the quantum of boosting or sensitizing effect of the first test as well as that of new sensitization was small over a period of 3-6 months.
(7) The quantum leap in integration being mulled will not save Greece, rescue Spain's banks, sort out Italy, or fix the euro crisis in the short term.
(8) The fluorescence quantum yield of I in acetonitrile is 0.12 at the emission maximum of 448 nm.
(9) Finally, the estimate of the photochemical activity of P-700, based upon the measured fluorescence quantum yield and upon the measured nonradiative losses of excitation energy, was done.
(10) Semiemperical quantum chemical calculations have been applied to study the reaction mechanism and mode of inhibition of dihydroorotate dehydrogenase.
(11) Americans Stuart Freedman and Jon Clauser and French physicist Alain Aspect were the first to verify quantum entanglement experimentally.
(12) The quantum yield of noncyclic photophosphorylation in chloroplasts excited by a series of 8 mus flashes of the saturating intensity displays a two-fold decrease when the flash-frequency is reduced from about 1.1 to about 0.8 s-1, whereas further decrease of flash frequency does not affect the average ATP yield per flash.
(13) Absolute quantum yields of 1O2 formation by the conjugates have been determined.
(14) The good quantum yield coupled with convenient emission lines in the mercury spectrum allows photographic exposure time of fluorescent labelled sections to be reduced to a quarter of that required for a corresponding FITC conjugate.
(15) Shot noise analysis indicated that a combination of intense light and La3+ caused a large (down to zero) reduction in the rate of occurrence of the quantal responses to single photons (quantum bumps) which sum to produce the photoreceptor potential.
(16) Complete assignments were obtained for the backbone 1H, 15N and 13C resonances, using three-dimensional heteronuclear 1H NOE 1H-15N multiple-quantum coherence spectroscopy (3D-NOESY-HMQC) and three-dimensional heteronuclear total correlation 1H-15N multiple-quantum coherence spectroscopy (3D-TOCSY-HMQC) experiments on 15N-enriched HPr and an additional three-dimensional triple-resonance 1HN-15N-13C alpha correlation spectroscopy (HNCA) experiment on 13C, 15N-enriched HPr.
(17) Two technical developments, the advent of supercomputing as a routine tool in quantum solid-state material science and molecular dynamics on the one hand, and molecular biology on the other hand, have created--perhaps for the first time-the possibility of directly linking a more realistic description of the radiation field to observable events at biomolecular level.
(18) The structures of the new compounds were determined by chemical and spectroscopic methods, including two-dimensional nuclear magnetic resonance (2D NMR) techniques, especially 1H-detected heteronuclear multiple-bond multiple-quantum coherence.
(19) 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.
(20) They are calibrated or tested against a large body of experimental data, including extended basis set ab initio, quantum mechanical calculations, nuclear magnetic resonance spectroscopic data and dipole moment data for di- and oligopeptides, characteristic ratio data for random coil homopolypeptides, extensive data from peptide solubility studies, and experimental structures of polyalanine fibres and globular proteins.
Sudden
Definition:
(a.) Happening without previous notice or with very brief notice; coming unexpectedly, or without the common preparation; immediate; instant; speedy.
(a.) Hastly prepared or employed; quick; rapid.
(a.) Hasty; violent; rash; precipitate.
(adv.) Suddenly; unexpectedly.
(n.) An unexpected occurrence; a surprise.
Example Sentences:
(1) One must be suspicious of any gingival lesion, particulary if there is a sudden onset of bleeding or hyperplasia.
(2) Electrophysiologic studies are indicated in patients with sustained paroxysmal ventricular tachycardia, ventricular fibrillation or aborted sudden death.
(3) The strongest predictor of non-sudden cardiac death was the New York Heart Association functional class.
(4) But it will be a subtle difference, because it's already abundantly clear there's no danger of the war being suddenly forgotten, or made to seem irrelevant to our sense of what Europe and the world has to avoid repeating.
(5) We report a case of a sudden death in a SCUBA diver working at a water treatment facility.
(6) In addition to the 89 cases of sudden and unexpected death before the age of 50 (preceded by some modification of the patient's life style in 29 cases), 11 cases were symptomatic and 5 were transplanted with a good result.
(7) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
(8) The automatic half of both the motor which advances the trepan as well as the second motor which rotates the trepan is triggered by the sudden change in electrical resistance between the trepan and the patient's internal body fluid, at the final stage of penetration.
(9) In addition, recent studies have not confirmed previous observations that diuretic-induced hypokalaemia increases ventricular ectopy or contributes to sudden death.
(10) Because of these different direct and indirect actions, a sudden cessation of sinus node activity or sudden AV block may result in the diseased heart in a prolonged and even fatal cardiac standstill, especially if the tolerance to ischemia of other organs (notably the brain) is decreased.
(11) The high ED50 immediately after vagotomy is ascribed to the sudden fall in the subthreshold release of acetylcholine previously supplied by the intact vagus.
(12) If it works anyone can do this exactly as we have done.” The sudden release follows weeks of visual clues left on the Radiohead frontman’s Twitter and Tumblr.
(13) 23 years old woman with sudden deafness and ipsilateral lack of rapid phase caloric nystagmus was described.
(14) Furthermore, myocarditis, pathological changes of the conduction system, and other rare conditions can lead to sudden cardiac death.
(15) Five of the children presented an "aplastic crisis," for example, a sudden decrease in hemoglobin concentration associated with absence of reticulocytes in the peripheral blood, and four were admitted with unremitting severe pain because of a "vaso-occlusive crisis."
(16) The authors present a boy with a sudden onset a large intracranial hematoma causing rapid neurologic deterioration.
(17) The animal showed progressive hindlimb paresis of sudden onset.
(18) In almost 80% of sudden cardiac deaths in ACMP foci of acute myocardial ischemia are found, that can lead to ventricular fibrillation with lethal outcome.
(19) There is a certain degree of swagger, a sudden interruption of panache, as Alan Moore enters the rather sterile Waterstones office where he has agreed to speak to me.
(20) Our data show that the incidence of sudden death over 51 months is relatively low in patients with single vessel disease.