(n.) Exposure to the free action of the air; airing; as, aeration of soil, of spawn, etc.
(n.) A change produced in the blood by exposure to the air in respiration; oxygenation of the blood in respiration; arterialization.
(n.) The act or preparation of charging with carbonic acid gas or with oxygen.
Example Sentences:
(1) A theory for the neural control of middle ear aeration is proposed.
(2) It is suggested that lung ventilation takes place in the avian embryo in three distinct stages: the major air-ways become aerated, then respiratory movements begin and lastly the tertiary bronchi are slowly aerated.
(3) We therefore investigated the influence of different carbon dioxide tensions and bicarbonate concentrations on directly measured pH of organ baths aerated with mass-spectrometric analyzed O2-CO2 gases.
(4) The test organism, grown under anaerobic conditions in Trypticase soy broth, was diluted in buffered salt solution, and about 2 x 10(4) cells were suspended in 10 ml of an aerated broth.
(5) On the other hand, maintaining constant DO levels at 50 or 10% raised exoprotein levels higher than those achieved in a culture grown at the optimal aeration rate.
(6) None of the mutants are oxygen sensitive; they grow as well as wild bacteria, even when aerated.
(7) In helical strips of dog cerebral arteries contracted with K+ or prostaglandin F2 alpha, the increase in CO2 from 5 to 15% in the gas aerating the bathing media produced a persistent relaxation in association with a rise of PCO2 and a fall of pH and PO2.
(8) Although X-ray studies in many of the patients revealed mucosal swelling four weeks after surgery, the maxillary sinuses were well aerated 8 weeks after operation.
(9) One problem remains: permanent aeration of the new tympanic cavity.
(10) The time of the sporulating forms appearance depended on the aeration rate which defined the quantitative composition of the population during the phase of the culture active growth and the stationary phase.
(11) Azotobacter chroococcum (ATCC 7493) was grown in continuous culture with intense vortex aeration (stirring rate 1750 rpm) with up to 50% O2 in the gas phase.
(12) Assays on the Rm nifA-m RNA produced by the constitutive Rm nifA in E. coli under aerobic and microaerobic conditions with the cloned nifA as a probe for dot blot hybridization showed a marked decrease of Rm nifA mRNA when the bacteria were grown under aeration.
(13) Acute anoxia was induced by aerating a muscle chamber with a gas mixture of 95% nitrogen and 5% carbon dioxide.
(14) Amylase production by a Bacillus subtilis strain can occur without aeration after reaching the stationary phase of growth, provided the pH is controlled.
(15) The photosynthetically-incompetent mutant V-2 of Rhodopseudomonas spheroides which is incapable of synthesising bacteriochlorophyll was grown aerobically under conditions of both high and low aeration.
(16) The fim(+) bacteria did not show selective outgrowth in mixed cultures grown in broth aerated by continuous shaking, in static broth incubated anaerobically in hydrogen, and on aerobic agar plates, i.e., under conditions not allowing an advantage from pellicle formation.
(17) The rate of alpha-keto acid biosynthesis, on the contrary, decreased in the conditions of low aeration.
(18) Pyruvate-dependent glutamine aminotransferase activity is not regulated directly by O2 itself since a rho- strain showed a high activity regardless of the extent of aeration of cultures.
(19) Bacteriorhodopsin formation was negligible when washed suspensions of cells from dark, limited aeration or light, adequate aeration cultures were incubated in the light with limited aeration.
(20) Seventy two left anterior descending and circumflex coronary artery rings were removed in twelve dogs and mounted in organ chambers filled with Krebs-Ringer bicarbonate solution and aerated with 95% O2-5% CO2.
Flatness
Definition:
(n.) The quality or state of being flat.
(n.) Eveness of surface; want of relief or prominence; the state of being plane or level.
(n.) Want of vivacity or spirit; prostration; dejection; depression.
(n.) Want of variety or flavor; dullness; insipidity.
(n.) Depression of tone; the state of being below the true pitch; -- opposed to sharpness or acuteness.
Example Sentences:
(1) Michael James, 52, from Tower Hamlets Three days after telling his landlord that the flat upstairs was a deathtrap, Michael James was handed an eviction notice.
(2) A tiny studio flat that has become a symbol of London's soaring property prices is to be investigated by planning, environmental health and fire safety authorities after the Guardian revealed details of its shoebox-like proportions.
(3) With the flat-fee system, drug charges are not recorded when the drug is dispensed by the pharmacy; data for charging doses are obtained directly from the MAR forms generated by the nursing staff.
(4) Taking into account the calculated volume and considering the triangular image as one face of the particle, it is suggested that eIF-3 has the shape of a flat triangular prism with a height of about 7 nm and the above-mentioned side-lengths.
(5) He gets Lyme disease , he dates indie girls and strippers; he lives in disused warehouses and crappy flats with weirded-out flatmates who want to set him on fire and buy the petrol to do so.
(6) The b-wave in the ERG was lacking and the EOG was flat.
(7) In north-west Copenhagen, among the quiet, graffiti-tagged streets of red-brick blocks and low-rise social housing bordering the multi-ethnic Nørrebro district, police continued to cordon off roads and search a flat near the spot where officers killed a man believed to be behind Denmark’s bloodiest attacks in over a decade.
(8) Distance running performance is slower on hilly race courses than flat courses even when the start and finish are at the same elevation, resulting in equal amounts of uphill and downhill running.
(9) In autumn, leaf-heaps composted themselves on sunken patios, and were shovelled up by irritated owners of basement flats.
(10) Here we present images of polydeoxyadenylate molecules aligned in parallel, with their bases lying flat on a surface of highly oriented pyrolytic graphite and with their charged phosphodiester backbones protruding upwards.
(11) All other broad-spectrum benzimidazole anthelmintics, regardless of substituent at the 2 position (methyl carbamate or thiazolyl group), are flat.
(12) We investigated the mechanism by which retinoic acid causes growth arrest and flat reversion of SSV-NRK, simian sarcoma virus-transformed normal rat kidney cells.
(13) When she speaks, it is in a quiet, clear voice that is middle-class but also flat and London-inflected enough to seem almost classless: it is the voice of the modern southern English professional.
(14) After about 3 weeks of culture, N-ethyl-N-nitrosourea-pretreated fetal rat brain cells showed focal proliferation of neural cells on an underlayer of flat, epithelioid cells.
(15) In order to determine an histological high-risk group, we chose cases with preneoplastic conditions (60 CAG, 10 biopsies of gastric remnants, 3 flat adenomas and 55 gastrectomies by cancer or ulcer).
(16) During inspiration, the velocity was greater and the shape of the flow profile throughout diastole tended to be flat.
(17) The following relationships were found: Round nuclei have higher rates of DNA synthesis than flat ones.
(18) The individual micelles are relatively flat, ring-shaped structures, the center offering space for one of the two bulky sugar chains of the saponins.
(19) Microinfusion of the selective 5-HT1A receptor agonist, 8-hydroxy-(di-N-propylamino)tetralin (8-OHDPAT), into the dorsal raphe nucleus (DRN) produced a marked behavioural hypoactivity and flat body posture.
(20) Don was racing the Dodge through the Bonneville Salt Flats , where Gary Gabelich had just (on 23 October) broken the land-speed record.