The Keep-Alive extension to HTTP, as defined by the HTTP/1.1 draft, allows persistent connections. ... Apache 1.1 comes with Keep-Alive support on by default, however there are some directives you can use to modify Apache's behavior: . Note : Apache 1.2 uses a different syntax for the KeepAlive directive. ... Default: KeepAlive 5 . Context: server config . ... This directive enables Keep-Alive support. ... In order for Keep-Alive support to be used, first the browser must support it. ...

... You must have the frames with a dark current and flat field for preliminary processing of the images. ... The flat field is necessary for the account of the variations in the sensitivity of pixels. ... 1) Open the frame with a flat field by . ... In the dialogue choose a frame with a dark current. There will be a subtraction of the dark frame from the flat field. ... 3) Apply the flat field by . Note  If several files are open, a dark current and flat field will apply for all. ...

Команды менеджера библиотек ACCEL Library Executive . ... Создание связей между именами и компонентами в импортируемой библиотеке . ... Выход из ACCEL Library Executive . ... Создание нового посадочного места компонента, запуская мастер создания посадочного места компонента Pattern Wizard графического редактора посадочных мест ACCEL Pattern Editor . ... ACCEL Pattern Editor . ... Если ACCEL Symbol Editor установлен, эта команда запускает графический редактор символов компонентов ACCEL Symbol Editor. ...

ELT MASS/DIMM instrument for atmospheric turbulence measurements. ... 1.2 Principal geometry of MASS­DIMM device . ... The next chapter is a guide for alignment of the optical scheme elements ­ the op eration which is mandatory after the device assembly or while installing the device on the telescop e. Exit pupil optics tuning (MASS segmentator and DIMM mirrors), fo cusing and lateral p ositioning of the Fabry lens, checking the entrance pupil p osition are the sub jects of particular attention. ...

... M.M.Katsova, M.A.Livshits "The Sun among active late-type stars: new results" in: Solar activity as a space weather factor. ... M.A.Livshits, M.M.Katsova "Modern Concept of Large Solar Events and Stellar Flares" in: Cool Stars, Stellar System and the Sun, The 13th Cambrige Workshop held in Hamburg, Germany, July 5-9, 2004 Eds. F.Favata, G.A.J.Hussain, B.Battrick ESA Publ.Div. ... M.M.Katsova "Two kinds of stellar activity on late-type stars" in: The Sun and Cool Stars: activity, magnetism, dynamos. ...

... The paper surveys status of the Russian space activity in terms of budget, operati atellistems workforce and industrial capabilities. Shown, that the situation is uneven between the companies and particularly between various tiers of production cooperation. In the current situation international cooperation, both in form of joint non-commercial ventures and integration into global space market, is considered vital for sustenance of the national space capabilities. ... number of R&D programs . ...

... Основной объем знаний о Вселенной человечество почерпнуло используя оптические инструменты - телескопы. ... Чтобы получить максимум информации об астрономическом объекте, современный телескоп должен иметь большую поверхность собирающей оптики и высокую эффективность приемников излучения . ... Один из них, SALT, вводится в строй в 2005 г., строительство гигантских телескопов 30-метрового класса ELT и 100-метрового - OWL , еще не начато, но, возможно, они появятся через 10 - 20 лет. ТЕЛЕСКОП . ...