... Многогранники называются остроугольными, если все их двугранные углы являются острыми или прямыми. Одним из существенных стимулов для их изучения является то, что частным случаем остроугольных многогранников являются многогранники Кокстера, возникающие в теории групп отражений. Как описать все остроугольные многогранники? Если наложить на двугранные углы более сильное условие - быть острыми, то все такие многогранники (в трехмерном евклидовом пространстве) являются тетраэдрами. ...

Next: Polarization efficiency: size/shape/orientation effects Up: Optical properties of cosmic Previous: The 2175? feature . To model the interstellar polarization one needs to calculate the forward-transmitted radiation for an ensemble of non-spherical aligned dust grains. ... Let non-polarized stellar radiation passes through a dusty cloud with a homogeneous magnetic field. ... The angle between the line of sight and the magnetic field is ( ). ... where the angle is connected with and ( ). ...

Static Fourier spectrometers are often used for spectral measurements of the ionosphere emissions. There are two main advantages of Fourier spectrometers (FS) - large geometric factor and high spectral resolution; these parameters are two orders better than for grating spectral instruments. ... In scanning Fourier spectrometer optical and electric modulation of signal is used to avoid this problem, for static Fourier spectrometer there are no such ways. ...

... Образование . ... Мы проводим Apr 7, 2016 Участники второго модуля образовательной программы ?Под сенью дружных муз?, который прошел в дни весенних к?.. ... Мы участвуем Apr 6, 2016 Девиз V краевого творческого фестиваля ?Таланты без границ?: ... Мы проводим Apr 4, 2016 љ На высоком организационном уровне в ЦО ?Перспектива? 1-2 апреля прошел открытый восточный фестиваль.. ... ЦТРР Mar 28, 2016 29 марта в 10.30 час. в зрительном зале Центра образования ?Перспектива? состоится открытие городского Лег....

Университет . ... Образование . ... Информация Руководство и преподаватели Пашков Дмитрий Евгеньевич . ... 2014 - 2015 Повышение квалификации: СГАУ . 2013 Повышение квалификации: "Московский авиационный институт (национальный исследовательский университет)" . 2012 Повышение квалификации: German Center for Market Entry Германия г.Берлин . ... 2009 Повышение квалификации: СГАУ . ... Пашков Д.Е. 8 (846) 267-44-34 . ... Тел.: ... Тел.: (846) 267-44-99 . e-mail: pr@ssau.ru . ...

Full-Text Search . ... astro-ph . ... SAI VO . Search sort results by Date Relevance . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . Normalized to: Angle, J. 9 article(s) in total . 46 co-authors, from 1 to 9 common article(s). ... Aprile, E.. Arneodo, F.. ... Dahl, C. E.. ... SAI MSU . ...

... observatory code . ... projections of the geocentric radius-vector of observatory on the Earth equatorial plane and on the Earth rotation axis, dxy and dz, correspondingly; both quantities are expressed in parts of the equatorial radius of the Earth taken as 6378.137 km; they are known as parallax constants . ... The observatory code is a string that contains three symbols, the first one being digit or letter, the second and the third ones being digits. ... So, code B47 means number 1147. ...

include graphics.h #include math.h #include conio.h const double l=10000000; const float V0=5000; const float angle =0.5; const float dt=500; const double G=6.67e-11; const double M=5.98e24; double E; float p; float F; float b; float b_angle ; float S; float x1; float y1; float r; float Vi; int xC; long ...

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... 253-256 (2000) 253 Current transport mechanism in YBCO bicrystal junctions on sapphire. ... Experimental results are discussed in framework of predictions for superconducting current transport via Andreev bound surface states in bicrystal junction. ... The most reproducible junctions having a critical current spread of ±12% per chip are fabricated on SrTiO3 bicrystal substrates (Vale 1997), but because of their high dielectric constant >1000 they are unsuitable for high-frequency applications. ...

NAME dbmmanage - Create and update user authentication files in DBM format SYNOPSIS dbmmanage filename [ command ] [ username [ encpasswd ] ] DESCRIPTION dbmmanage is used to create and update the DBM format files used to store usernames and password for basic authentica- tion of HTTP users. Resources available from the httpd Apache web server can be restricted to just the users listed in the files created by dbmmanage. ... This manual page only lists the command line arguments. ...

Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...

... Bad Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... The length of the shadow depends on the height of an object (like a mountain or a human) and how high up the Sun is. ... We can calculate the length of the shadow if we know the Sun's angle above the horizon and the object's height. ... The Earth spins 360 degrees in 24 hours, which means it spins 1 degree in 4 minutes; that in turn means the Sun moves 1 degree every 4 minutes in the sky. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil De la temp†кte solaire aux aurores bor†йales . ... Pour en savoir plus sur les aurores bor†йales, consultez notre article €л †А la poursuite des aurores bor†йales €Ё paru dans le Ciel & Espace de septembre 2011. ... Etat du ciel ...

A STUDY OF THE FRAGMENT DISPERSAL AND TRAJECTORY OF THE SAYH AL UHAYMIR 001 METEORITE SHOWER. ... We obtained hundreds of GPS find locations, analyzed the fragment distribution, and developed a model of the meteorite's trajectory. ... More than 2670 samples weighing more than 450 kg have been collected. ... Increasing fragment mass along track indicated a flight direction of 233o. The fragments' mass distribution was used to model the meteorite trajectory. ...

Альтернативный форум . Scientific.ru Все форумы . ... Re: Epistemology . ... Re: Epistemology AlexRAN, 01.08.2005 11:26 . Re: Episteme - An International Journal Александр Тимофеев, 02.08.2005 12:38 . ... Re: проблемы подходов к Epistemology Александр Тимофеев, 03.08.2005 15:45 . Re: проблемы подходов к Epistemology AlexRAN, 03.08.2005 16:47 . ... Александр Тимофеев, 04.08.2005 15:47 . ... Re: Перестаньте маяться и почитайте Выготского и Хомского Александр Тимофеев, 04.08.2005 15:45 . ...

. Main . Staff . Research . Publications . Conferences . Links . q = M 2 : M 1 = 0.01, e = 0.5, "warm" disk ( с = 0.05), accretion rate = 10 -9 /year. The rotation angle of the apsidal line relative to the observer and through "_" the orbit inclination to the line of sight are indicated in the lower left corner of each diagram.

... DIAGNOSTICS OF IONOSPHERIC IRREGULARITY SPECTRUM USING MEASUREMENTS OF RADIO WAVE ANOMALOUS ATTENUATION UNDER VERTICAL SOUNDING . ... The selected experimental data are characterized by a high average level of attenuation of a signal of vertical sounding (10 dB and above), which cannot be caused by collisional absorption of radio waves (practically absent in a dark time of day) and, hence, being a consequence of scattering on random irregularities. ... ATTENUATION OF A VERTICAL SOUNDING SIGNAL . ...