(n.) An arc of the horizon intercepted between the meridian of the place and a vertical circle passing through the center of any object; as, the azimuth of a star; the azimuth or bearing of a line surveying.
Example Sentences:
(1) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(2) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
(3) 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.
(4) An electron microscopic investigation of the interaction in vitro of two major Z-line proteins, alpha-actinin and F-actin, indicated that the positions of alpha-actinin bridges between actin filaments are defined by relative azimuthal positions of actin subunits.
(5) The pattern of QRS loop in the 3 planes, the voltage of right maximum spatial vector (RMSV) and left maximum spatial vector (LMSV), their projection onto the horizontal (azimuth) and frontal plane (elevation) were related to right ventricular systolic pressure.
(6) The directional component of the data analysis was important; analysis in the azimuthal direction was more accurate than in the axial direction.
(7) Lead and rear bridges are axially at least 13 nm apart on actin; the expected 60 degrees difference in azimuth is expressed by head-neck portions, but the head-actin-head axis rotates by only 30 degrees.
(8) Localization was always poorer at 30 degrees azimuth (the smallest used) than at any of the other azimuths (0 degree, 30 degrees, 60 degrees, 90 degrees right and left), regardless of microphone spacing.
(9) Furthermore, there is neither an azimuthal nor an elevational axis within the FM-FM area.
(10) A method is described whereby three-dimensional co-ordinates of points on a cranium can be recorded in terms of azimuth, elevation and radial distance from a selected point.
(11) All three measurements were affected by changes in the loudspeaker azimuth and reference microphone location.
(12) The sensitivity to variations in sound-source elevation was studied in 48 units, previously examined as to their azimuthal sensitivity, of the inferior colliculi of cats.
(13) Detection of interaural time differences underlies azimuthal sound localization in the barn owl Tyto alba.
(14) Six subjects localised a sound source (white noise through a speaker) which varied in position over a range of elevations (-40 degrees to +40 degrees) and azimuths (0 degrees to 180 degrees), at 10 degrees intervals, on the left side of the head.
(15) From its representation on the spherical surface it was unfolded into the plane using a polar azimuthal radially equidistant projection.
(16) We have previously demonstrated that in animals with both ears intact, there is a topographical representation of the azimuthal dimension of auditory space in the deep layers of this nucleus.
(17) The loudspeakers, 15 deg apart, were arranged in a semicircle (0-270-180 deg, azimuth).
(18) Response centers of all 223 neurons were located between 0 degrees and 50 degrees in azimuth, 2 degrees up and 25 degrees down in elevation of the contralateral frontal auditory space.
(19) The zone represents positions within 4 deg of the midline at the 0-deg horizontal meridian, and positions out to 15-deg azimuths in the upper hemifield and out to positions of 25-deg azimuth in the lower hemifield.
(20) In the alternative (ABI-constant) method, intensity at the two ears was varied symmetrically about a constant base intensity, in a manner roughly approximating the pattern of changes that occur when a free-field stimulus is moved in azimuth from the median sagittal plane.
Zenith
Definition:
(n.) That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; -- opposed to nadir.
(n.) hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity.
Example Sentences:
(1) The Cambridge-based couple felt ignored when tried to raise the alarm about the way their business – publisher Zenith – was treated by Lynden Scourfield, the former HBOS banker jailed last week, and David Mills’ Quayside Corporate Services.
(2) After 24 h of fasting the zenith was shifted to the beginning of dark period without any other changes.
(3) Clinical electroencephalography, which reached a zenith in the 1950s and 1960s, increased the range of diagnostic techniques available for a series of brain diseases and revolutionized the study of epilepsy.
(4) That triumphal speech was his apex, the acme, the zenith of his career.
(5) The circadian rhythm of PRL persisted throughout lactation as manifested by: (1) significantly higher mean nighttime than daytime PRL levels in the whole sample, despite higher daytime nursing durations; (2) the distribution of zenith levels which most frequently occur between 23.00 and 07.00 h, when nursing duration is lowest, and which are almost absent between 07.00 and 23.00 h, when nursing duration is highest, and of nadir levels, which have an opposite pattern; (3) spontaneous PRL surges that are more frequent, longer, and of higher magnitude at night than during the day, and (4) the larger magnitude of suckling-induced PRL release from late afternoon through the night compared to the morning in some women.
(6) The zeniths of the curves were recorded about 4--6 hours after the skin incision in both patient groups, despite the different duration of the operations.
(7) However, 1990 proved to be not only the Indy's circulation zenith but also a watershed for its publishing company as recession bit hard into revenue.
(8) After 48 h of fasting remarkable shifts were found resulting in a nadir at the beginning of dark period and a zenith at the middle of light period.
(9) The dying have much to teach the living: so in many ways, this project is the zenith of the Big Brother experiment.
(10) The kind of cinema that reached a zenith in Gillo Pontecorvo's Battle of Algiers .
(11) The cercal system, which may have evolved with the first terrestrial hexapods, reaches its zenith in the orthopteroid insects, but was replaced in holometabolan insects by visual startle mechanisms with descending giant interneurons.
(12) Population growth reached its zenith between 1950-70.
(13) We detected a consistent and significant (P less than 0.01) decline in plasma chromium after glucose administration, the nadir of the chromium response coinciding with the zenith of the glucose concentration.
(14) Thus, the ED30s constitute the "zenith" of an independent isobole in ED50 isobolograms.
(15) They reached a zenith during the Vietnam war when the US government allegedly conducted their highly classified Operation Popeye, an attempt to extend the monsoon season by cloud seeding in the hope of flushing out the Viet Cong.
(16) On Sunday, Mélenchon's star reached its zenith, when early results gave him 11.1% of votes, several percentage points lower than had been expected.
(17) Whereas phosphate has a marked circadian rhythmicity with a zenith between 1.00 and 8.00 hours, total calcium and albumin show a tendency to decrease between 20.00 and 6.00 hours.
(18) The zenith of suppressor activity was observed during most active infection, from 1 to 3 weeks after inoculation.
(19) At the zenith of a culture war, there’s seldom room for compromise.
(20) The highest pressures in the series (about 4 to 5 megaNewtons per square metre) were on the areas of thin fibrocartilage which were identified at the zenith of certain acetabula.