61. БОРОВОДОРОДЫ
... БОРОВОДОРОДЫ (бораны, гидриды бора), соед. общей ф-лы В n Н m , где п находится в пределах от 2 до 20, а m обычно равно п + 4 или п + 6. ...
62. http://hea-www.harvard.edu/~elvis/GenX_SPIE06.pdf
... For example, consider a 20 m diameter, 125 m focal length mirror employing 10 cm ... into 20 axial elements with a 20 µm pixel detector, giving the required resolution ... despite the long focal lengths (50 m - 125 m) and large diameters (6 m - 20 m ...
63. http://www.vista.ac.uk/Files/docs/6267_136_Mount.pdf
... 57.5 µm (86) 91.0 µm (48) 20.9 µrad (22) 199.0 µm (18) 164.4 µm (375) 125.9 µrad (101) Non-repeatable 7.4 µm (20) 3.3 µm (20) 6.7 µrad (10) 10.8 µm (10) 14.6 µm (20) 9.0 µrad (10) As an example of both the similarities and the differences, Figure 11 shows ...
64. http://cellmotility.genebee.msu.ru/html/articles/jcs.pdf
... but many MTs are thought to exceed 20 µm. In melanophores, where the turnover half ... estimated the half-time for turnover of 20 µm MTs to be greater than 1 hour ... This gives a breakage rate of 0.08 per viewing area (20 µm в 25 µm) per minute. ...
66. RSC "Energia" - History
... was performed on . deployment of a frameless . thin-film reflector . of 20 m in diameter . 54 . Soyuz ТM-16 . Gennady . ... Capsule returned . cargo of 57 kg . 60 . Progress M-20 . Automatic . cargo . of 2209.5 kg . ...