Chapters 10 and 11 of the first book of the Almagest deal with the construction of a table of chords, in which the length of a chord in a circle is given as a function of the central angle that subtends it, for angles ranging from 0° to 180° at intervals of one-half degree.
The run of wires is 12.3m with 13 trees spaced at intervals of about half a metre.
A study of 18 healthy subjects and 18 patients with frequent ventricular ectopic beats reported no significant change in QT interval in either group after caffeine ingestion (multiple doses of 1 mg/kg of body weight at intervals of one half-life during waking hours) [34].
In Oregon, asphalt pavements are commonly failing prematurely due to cracking-related distresses, necessitating costly rehabilitation and maintenance at intervals of less than half of the intended design lives in some cases.
Image analysis was performed on three slides from each lung (at intervals of one quarter, one-half, and three-quarters through the lung) and the median value was calculated.
Routine blood examination, liver and renal functions and ESR and CRP levels were required to be tested at intervals of 1 month to half a year.
The weather station was run continuously and the data were recorded at the interval of half an hour throughout the year covering all the sampling events.
Most places experience two high tides each day, occurring at intervals of about 12 hours and 25 minutes, half the period that it takes for the Earth to make a complete revolution and return the Moon to its previous position relative to an observer.
At a news conference, Mr. Green released a study of the frequency of service during the morning rush hour, which found that trains on more than half the city's subway lines arrived at intervals of more than six minutes.
Just over half of ePrompter users set the program to check at intervals of five minutes or less, Mr. McAllister said.
The ends are called nodal points, or nodes, and labeled N. The shape of the string at the extreme positions in its oscillation is illustrated by curved solid and dashed lines, the two positions occurring at time intervals of one-half period.
