(a.) Ancient; pertaining to the earliest period in geological history.
(n.) The earliest period in geological period, extending up to the Lower Silurian. It includes an Azoic age, previous to the appearance of life, and an Eozoic age, including the earliest forms of life.
Example Sentences:
(1) We formulate the following hypothesis: Life's origin may have occurred during the lower Archaean at a time when the environmental temperature was higher than it is at present.
(2) Hence, the occurrence of sulfate evaporites in Archaean sediments does not necessarily provide testimony of oxidation weathering on the ancient continents and, consequently, of the existence of an atmospheric oxygen reservoir.
(3) Incipient minor differentiation of the isotope pattersn notably of Archaean sulfates may be accounted for by photosynthetic sulfur bacteria rather than by sulfate reducers.
(4) (2) Isotopic evidence of dissimilatory sulfate reduction is first observed in the upper Archaean of the Aldan Shield, Siberia (approximately 3.0 x 10(9) yr) and in the Michipicoten and Woman River banded iron formations of Canada (2.75 x 10(9) yr).
(5) The presently available sedimentary sulfur isotope record for the Precambrian seems to allow the following conclusions: (1) In the Early Archaean, sedimentary delta 34S patterns attributable to bacteriogenic sulfate reduction are generally absent.
(6) (4) With the bulk of sulfate in the Archaean oceans probably produced by photosynthetic sulfur bacteria, the accumulation of SO4(2-) in the ancient seas must have preceded the buildup of appreciable steady state levels of free oxygen.
Continent
Definition:
(a.) Serving to restrain or limit; restraining; opposing.
(a.) Exercising restraint as to the indulgence of desires or passions; temperate; moderate.
(a.) Abstaining from sexual intercourse; exercising restraint upon the sexual appetite; esp., abstaining from illicit sexual intercourse; chaste.
(a.) Not interrupted; connected; continuous; as, a continent fever.
(a.) That which contains anything; a receptacle.
(a.) One of the grand divisions of land on the globe; the main land; specifically (Phys. Geog.), a large body of land differing from an island, not merely in its size, but in its structure, which is that of a large basin bordered by mountain chains; as, the continent of North America.
Example Sentences:
(1) This report represents the first comprehensive description of instantaneous and continous phasic blood velocity at the mitral valve during atrial arrhythmias in man.
(2) During sixty-six months, 145 Kock pouches were constructed: 79 for continent cutaneous diversion (44 men, 35 women), 54 bladder replacements by men, 12 ileo-rectal diversions (10 women, 2 men).
(3) The continence achieved in this case seems to be in contradiction to some of the accepted concepts of the mechanisms of continence.
(4) Piling refugees on trains in the hopes that they go far, far away brings back memories of the darkest period of our continent,” he told Der Spiegel.
(5) Decreased maximal voluntary squeeze pressures were less severe in continent patients with multiple sclerosis than in incontinent patients with multiple sclerosis.
(6) Persistence in the treatment of these patients is essential because multiple operations often are necessary to achieve continence.
(7) Ninety-two per cent of patients who irrigated their colostomies gained fecal continence.
(8) To overcome the problem of incontinence which failed to respond to standard measures, an animal model was designed for continent diversion without cystectomy.
(9) Stress continence depends upon three factors: proximal urethral support, vesical neck closure, and urethral contractility.
(10) 12 children (38%) showed modifications of bladder-sphincter equilibrium, without acquiring socially sufficient continence.
(11) The Index of Independence in Activities of Daily Living (Index of ADL) is a scale whose grades reflect profiles of behavioral levels of six sociobiological functions, namely, bathing, dressing, toileting, transfer, continence, and feeding.
(12) She attributes her interest in helping the continent to a "better perspective" on life derived from Kabbalah.
(13) By easing these huge flows of hundreds of billions across borders, the single currency played a material role in causing the continent's crisis.
(14) Measurements have been made continously with an electrochemical cell sensitive to oxygen.
(15) About 53% of the continent’s total land mass is used for agriculture.
(16) The potassium concentrations in erythrocytes, serum and urine were continously determined in 3 patients who had taken acetyldigoxin (45 to 100 tablets Novodigal à 0,2 mg) in order to commit suicide.
(17) Besides first follow-up results of patients with bladder substitution or continent urinary diversion, analysis of experimental investigations and functionally comparable clinical conditions enables an insight into potential following physiopathological interrelationships.
(18) We conclude that the Kock continent urostomy offers an important alternative to noncontinent forms of diversion.
(19) On the basis of continence results from these patients, the influence of the primary operation on postoperative anorectal continence is discussed.
(20) Individuals undergoing delayed bladder closure without iliac osteotomy had no notable difference in the incidence of bladder dehiscence (p greater than 0.5) but they had a statistically significant difference in the ability to gain urinary continence (p less than 0.01).