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The X-ray spectrometer aboard ISEE-3 was designed to study both solar flares and cosmic gamma-ray bursts over the energy range 5-228 keV. The experiment consisted of 2 cylindrical X-ray detectors: a Xenon filled proportional counter covering 5-14 keV, and a NaI(Tl) scintillator covering 12-1250 keV.
1q21.1 duplication syndrome, also known as 1q21.1 microduplication, is an uncommon copy number variant associated with several congenital abnormalities, including developmental delay, dysmorphic traits, autism spectrum disorder, and congenital cardiac defects. [1]
Common aspect ratios used in film and displays images. The common film aspect ratios used in cinemas are 1.85:1 and 2.40:1. [1] Two common videographic aspect ratios are 4:3 (1. 3:1), [a] the universal video format of the 20th century, and 16:9 (1. 7:1), universal for high-definition television and European digital television.
Approximately 75% of all children with a 1q21.1 microdeletion exhibit delayed development, notably in motor skills such as sitting, standing, and walking. [1] Individuals may have generalized mild learning difficulties; about 30% of those diagnosed with 1q21.1 deletion syndrome are affected.
The lines show the growth of the numbers of digits in the look-and-say sequences with starting points 23 (red), 1 (blue), 13 (violet), 312 (green).
PSR B1919+21 is a pulsar with a period of 1.3373 seconds [4] and a pulse width of 0.04 seconds. Discovered by Jocelyn Bell Burnell on 28 November 1967, it is the first discovered radio pulsar. [5]
OTR-21 Tochka (Russian: оперативно-тактический ракетный комплекс (ОТР) «Точка», romanized: operativno-takticheskiy ...
Ray Donovan is an American crime drama television series created by Ann Biderman, which premiered on Showtime on June 30, 2013. [1] Liev Schreiber stars as the titular character, a "fixer" for the powerful law firm Goldman & Drexler, representing the rich and famous of Los Angeles, California.