(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.
Unit
Definition:
(n.) A single thing or person.
(n.) The least whole number; one.
(n.) A gold coin of the reign of James I., of the value of twenty shillings.
(n.) Any determinate amount or quantity (as of length, time, heat, value) adopted as a standard of measurement for other amounts or quantities of the same kind.
(n.) A single thing, as a magnitude or number, regarded as an undivided whole.
Example Sentences:
(1) The findings indicate that there is still a significant incongruence between the value structure of most family practice units and that of their institutions but that many family practice units are beginning to achieve parity of promotion and tenure with other departments in their institutions.
(2) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
(3) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
(4) The Frenchman’s 65th-minute goal was a fifth for United and redemptive after he conceded the penalty from which CSKA Moscow took a first-half lead.
(5) This article describes a number of syndromes affecting the nail unit.
(6) The small units described here could be inhibitory interneurons which convert the excitatory response of large units into inhibition.
(7) The program met with continued support and enthusiasm from nurse administrators, nursing unit managers, clinical educators, ward staff and course participants.
(8) No significant change occurred in the bacterial population of our hospital unit during the period of the study (more than 3 years).
(9) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
(10) Twitch-tetanus ratios were calculated and found not to be related to unit contraction time.6.
(11) The hospital whose A&E unit has been threatened with closure on safety grounds has admitted that four patients died after errors by staff in the emergency department and other areas.
(12) High-grade and low-grade candidemia were defined as 25 colony-forming units or more per 10 ml and 10 colony-forming units or fewer per 10 ml of blood, respectively.
(13) Writing in the Observer , Schmidt said his company's accounts were complicated but complied with international taxation treaties that allowed it to pay most of its tax in the United States.
(14) The level of significance of the statistical estimate of the change in the number of phonoreactive units (its increase due to deprivation) amounts to 92%.
(15) the class- and specificity-restricted antigen-sensitive units.
(16) This article reviews the care of the chest-injured patient during the intensive care unit phase of his or her recovery.
(17) Focusing on two prospective payment systems that operated concurrently in New Jersey, this study employs the hospital department as the unit of analysis and compares the effects of the all-payer DRG system with those of the SHARE program on hospitals.
(18) Asthma is probably the commonest chronic disease in the United Kingdom, and its attendant morbidity extends outside the possible scope of the hospital sector.
(19) Gallic wine sales in the UK have been tumbling for the past 20 years, but the news that France, once the largest exporter to these shores, has slipped behind Australia, the United States, Italy and now South Africa will have producers gnawing their knuckles in frustration.
(20) The committee reviewed the history, original intent, current purpose, and effectiveness of meetings held on the unit; when problems were identified, suggestions for change were formulated.