- irregular variations
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The English-Russian dictionary on reliability and quality control. 2015.
irregular variations
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Irregular variable — An irregular variable is a type of variable star in which variations in brightness show no regular periodicity. There are two main sub types of irregular variable: eruptive and pulsating.Eruptive irregular variables are divided into three… … Wikipedia
Irregular verb — In contrast to regular verbs, irregular verbs are those verbs that fall outside the standard patterns of conjugation in the languages in which they occur.When comparing languages, one measure often brought into play as one of the few quantitative … Wikipedia
Irregular menstruation — Classification and external resources ICD 10 N92.1, N92.5, N92.6 Irregular menstruation (or irregular cycles/periods) is an abnormal variation in length of menstrual cycles in a woman. Normally, it is actually unusual for a woman to experience… … Wikipedia
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction either of two general types of stellar assemblages held… … Universalium
Axial tilt — Obliquity redirects here. For the book, see Obliquity (book). To understand axial tilt, consider this blue solenoid in right hand grip rule as the rotational axis of Earth, the counter clockwise direction of the magnetic field as the orbital… … Wikipedia
Анализ временных рядов — TIME SERIES ANALYSIS Исследование статистических данных за прошлые годы с целью прогнозирования возможных тенденций в будущем. Рассмотрим график. Графическое изображение дает представление об изменении статистических показателей (объема продаж)… … Словарь-справочник по экономике
Rings of Neptune — The scheme of Neptune s ring moon system. Solid lines denote rings; dashed lines denote orbits of moons. The rings of Neptune consist primarily of five principal rings predicted in 1984 by André Brahic and imaged in 1989 by the Voyager 2… … Wikipedia
Arctic oscillation — The Arctic oscillation (AO) or Northern Annular Mode/Northern Hemisphere Annular Mode (NAM) is an index (which varies over time with no particular periodicity) of the dominant pattern of non seasonal sea level pressure variations north of 20N… … Wikipedia
Jack Eddy — (1932 ndash; ) is an American astronomer. He did a study in 1976 demonstrating that irregular variations in solar surface activity, a few centuries long, were connected with major climate shifts. It was at this time that he coined the term… … Wikipedia
Mu Cephei — The red dot shows the location of Mu Cephei in … Wikipedia
