... 000, 1­12 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...

... The author attempts to approach the problem from the positions of systems analysis with account for the ideological grounds and history of space activities in Russia and abroad, comparing its current interpretation with the initial goals posed by leading theoreticians and practitioners who stood at the cradle of the space exploration era. ... The space systems recognized in Russia as priority projects are largely developed with violations of the systems approach principles. ...

... Так вот, в статье речь пойдет о фигурах и поверхностях, которые можно мять и деформировать как угодно (только без разрывов). ... Рис. ... После разбиения поверхности планеты на карты и подсчета чисел В, Р, Г возможны следующие ситуации: В Р + Г = 2 g = 0, планета сфера; В Р + Г = 0 g = 1, планета тор; В Р + Г = 2 g = 2, планета крендель и так далее. ... Докажите, что склейка сторон многоугольника дает сферу, если граф, образованный сторонами многоугольника на склеиваемой поверхности, является...

... НОВОСТИ CASTROL ! ... Konforma Thermobile Industries B.V. is one of the most advanced European manufacturers of removable heaters of premises with the worldwide trading and service network. ... Stationary heaters on the used oil with tap of a smoke (AT/ATA) . ... Are very economic in operation due to economy of charges on fuel; . ... Models АТА can be maintained also on standard oil or diesel fuel. ... Company "AD REM" SRL is оfficial distributor of Konforma Thermobile products. ... AutoClick.RU . ...