... Моделью какой-либо системы аксиом называется математическая структура (т. е. совокупность элементов, операций и отношений), удовлетворяющая этим аксиомам. Система аксиом, в свою очередь, нередко создается в целях описания с ее помощью какой-либо конкретной математической структуры, представляющей специальный интерес ? ... Эти другие модели (желательные или нежелательные ? ... В этих нестандартных моделях понятия бесконечно большой величины и бесконечно малой величины приобретают новвый смысл. ...

... Tonight's Sky . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . The Golden Earring, planetary nebula NGC 2867, and barred spiral galaxy NGC 3109 . Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Dwarf galaxies donт??t fit standard model . ... DWARF GALAXIES | ...

SAI VO . ... SAI CAS . ... Web Services . Catalog Access Services . ... SAI VO Wiki . ... Program Access . SAI CAS Wiki . SAI Web Services . ... DSS Mirror . ... We provide an implementation of IVOA standard Simple Image Access Protocol interface to our DSS mirror. Service metadata is available here . Currently, we provide the atlas service only, which returns the list of original DSS images intersecting the requested sky area. ... SAI MSU | ...

п'? . Date : 16/03/2015 . D partement : 50 . Rotule Г boule Manfrotto 484RC2 . rotule . Г serrage rapide et fixation par pas-de-vis standard (grand modГЕle) . mouvement . panoramique Г 360Вњ, bascule latГїrale +90Вњ/-90Вњ . Produit . neuf vendu 50в'ѓ (62в'ѓ en magasin) + frais de port . mail : gkmary@yahoo.fr . Prix : в'ѓ50 . Contacts : . M. Gilles Mary

0000 100.0000 100.0000 100.0000 100.0000 100.0000 NSCD 100 500 0.00000000E+000 1.00000000E-006 20 1.00000000E-006 COFN COATING.DAT SURF 0 TYPE STANDARD CURV 0 0 0 0 SLAB 1 DISZ 430.8 DIAM 0 0 0 SURF 1 TYPE COORDBRK CURV 0.0 0 0.0 0.0 SLAB 4 PARM 1 0 PARM 2 0 PARM 3 54.131 PARM 4 0 PARM 5 0 PARM 6 0 PARM 7 0 PARM 8 0 DISZ 0 DIAM 0 0 0 ...

... ACCESSORIES . ... OEM COMPONENTS . ... ABOUT LOMO . ... MICROSCOPES . ... OEM OPTICAL COMPONENTS . ... MICROSCOPE APPLICATION GUIDE AND MODEL SELECTOR . ... LOMO stereo microscopes deliver crisp images for such demanding applications as industrial inspection, electronic component manufacturing, biological and botanical studies, classroom teaching, etc. ... LOMO manufactures the widest range of microscope accessories and components such as objectives, eyepieces, condensers, illuminators, stages, etc....

* ' + ' - available as standard data, ' - ' - the row data only . Send comments to N.Emelianov (e-mail: emelia@sai.msu.ru)

Next: Mission Operations Data Transfer . ... VLBI Tape Management . VLBI Tapes . ... When: As soon as the correlator is satisfied with the correlator output. back to top . ... What: Each correlator will maintain a data base including the status of all VLBI tapes under its control. ... The correlators will distribute tapes to mission elements based on the Observation Summary File produced by the RSOG ( Observation Summary File ) to ensure each element has enough tapes to support SVLBI observations. ...

... They are known: active quantum frequency standards on the ammonia molecules beams (molecular generator) on the hydrogen generator (hydrogen generator) passive quantum frequency standards on the Cs atoms’ beam (cerium atomic beam tube); active and passive quantum frequency standards with an optical pumping of Cs or Rb steams. The stability of atomic beam quantum frequency standard achieves 10^ - 14. ...

RTT150 . Russian-Turkish 1.5-m Telescope . ... Until 2002 observations were mostly performed with ST-8E CCD in the 1:7.7 Cassegrain focus. ... In April, 2003 telescope was equipped with a larger-size CCD Andor DW436 . ... 2048 x 2048 pixels, . ... Since summer of 2002 the main focal detector of the RTT150 telescope was AP47p CCD in 1:7.7 Cassegrain focus. ... During September 3-13, 2002 works on installation of new autoguiding system ( photo 1 ) were carried out on RTT150 telescope. ...

... Опубликовано 25 августа 2009 г. Обновлено 1 июля 2010 г. Обновление: В результате голосования в июне 2010 г. жители округов Старк и Биллингс, штат Северная Дакота, отклонили предложение о смене часового пояса. ... Рубрика: Часовые пояса мира | Метки: Central Standard Time , Mountain Standard Time , North Dakota , Stark County , time zone , time zone change , округ Старк , Северная Дакота , часовой пояс | ... Часовые пояса мира (13) . Часовые пояса России (10) . ... Блог о часовых поясах . ...

Chair of solid state physics . ... Students and postgraduate students . ... Basics of the experimental techniques . ... Units of physical quantities, systems of units, standards. ... Description of the measuring systems by differential equations. Backward influence of the measuring system on the experimental object: matching. ... Structure of the measuring systems. ... Interface between the computer and the measuring system. ... High-frequency generators and measuring systems. ...

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

The starting page - The catalogues page - The list of the PUL2 fields - The list of the Pul-3(Pul-3SE) fields - The list of the PUL_ERS fields . please read short description of the access form controls . ... Right Ascension (ICRF/Tycho-2) J2000 at the central epoch of obs. (hours, minutes, seconds) (Obligatory parameter) . ... proper motion in RA (*cos(DE)) (ICRF/Tycho-2). (mas/yr) . ... Check the apropriate checkbox to output these data and radiobutton to select stars within interval. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Brief History of Rocket and Space Technology . ... Flights Chronology . ... ISS Russian Segment . ... The received information on the metabolism state makes possible assessment of the cosmonauts' physical state throughout long-duration space flights and will be used as the basis for development and improvement of diagnostic and prophylaxis tools. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

SITE 2010 Comprehensive Characterization of Astronomical Sites Kislovodsk, Russia, 49 October 2010 Conference Summary Marc S. Sarazin*a a European Southern Observatory, Garching, Germany Abstract The main topics discussed during the Site 2010 conference are outlined and the outcome is described. Keywords: Astronomical Site testing, precipitable water vapor, atmospheric turbulence, cloudiness, seeing 1. ... Site surveys for National observatory projects in China, India, and Iran benefit from this. ...

... Киевский клуб любителей астрономии "Астрополис" > . ... Товары для Любителей Астрономии > . EQDrive Standard" . ... Бердянское общество любителей астрономии "ОРИОН" . ... Благодарностей: 245 . ... 08 Июль 2013, 18:09:37 ? ... Для гурманов будут в скором будущем EQDrive-standard, EQDrive-maxi - мы над этим работаем. eqdrive_02_2.jpg (141.69 КБ, 800x600 - просмотрено 2865 раз.) ... Ответ #1 : 08 Июль 2013, 18:10:13 ? ... Цитата: OnlyBussiness от 08 Июль 2013, 23:01:34 Ответ неправильный. ...

... Telescopes . ... CCD photometer . ... One of the principal devices used in observations at the telescope Zeiss-1000 is a CCD photometer. ... The count rates (electron per second) for ADU = 1e - computed throughout the image for U = B = R = I = 20.0 for an object observed at air mass equal to 1.0 with the given version of CCD at the telescope Zeiss-1000 are presented in Table 1. Table 1: Quantum efficiency and count rate in the broad-band system of the CCD photometer of the telescope Zeiss-1000. ...

... Scientific Publications . ... In the autumn of 2016 the scientific journal Computer Optics is planned to be issued with original publications in English (Volume 40 No. ... The journal is included in the List of State Commission for Academic Degrees and Titles of the Ministry of Education and Science of the Russian Federation of the leading peer-reviewed scientific journals and publications, in which basic scientific results of the doctoral thesis in physics and informatics should be published. ...