... Introduction to Semiconductor Physics . ... Chemical bonds in semiconductors. ... Elements of band theory of semiconductors (perfect lattice). ... Elements of semiconductor band theory (semiconductors in external fields, imperfect crystals). ... Electron and hole energy spectra in constant electric field (quantum theory), shallow impurity levels. б?Electron and hole statistics in semiconductors. ... Metal-semiconductor rectification. б?Non-equilibrium electrons and holes in semiconductors. ...

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• Rules and regulations for a participant
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... Imaging GRIN Rod Lens (HAG's) | Relay Rod Lens (LAG's) | ... The Refractive Index Distributions (RID) in GRIN lens preforms are made by multi-stage optimized ion-exchange diffusion between silicate mineral glasses and salt melts. ... In the LAG lenses - L ow A perture GRIN the nature of the changing of refractive index in glass via ion-exchange lies mainly in molecular volume increase. ... LAG lenses are specially treated to create the dark anti-flick surface coating (Fig.2). ...

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... Первая десятка | ... Первая десятка "Русского переплета" Темы дня: . ... PET: A Proton/Electron Telescope for Studies of Magnetospheric, Solar, and Galactic Particles. ... Geosciencies and Remote Sensing, 31, 535, 1993. ... 1 D T distributions, obtained in GAMMA-1, SAMPEX PET, MARIA-2 and ELECTRON experiments (M>4, D L< ? 0.1). Fig.2 D T distribution, obtained on board SAMPEX (M>5, D L< ? 0.05) . ...

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Обзоры hep-ex: тематический рубрикатор . Партонные плотности . hep-ex/0207016 . The Generalized Parton Distributions program at Jefferson Lab . ... Comments: Proceeding of "Exclusive Processes at High Momentum Transfer" workshop, May 2002, Jefferson Lab, USA . Обобщенные партонные плотности в нуклоне -- величины, активно изучаемые теоретиками, см. наш комментарий к статье hep-ph/0205208 ep+gamma) занялись и экспериментаторы. ... Вернуться в тематический рубрикатор hep-ex ...

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Following acceptable use statement forms basic principles of Russian Space Science Internet activity. ... Usage of the Russian Space Science Internet to support Russian space research and associated technical activities at non-profit institutions and centres of resarch and science is acceptable. ... All user requests for Russian Space Science Internet connectivity must be validated and supported by Network Coordination Centre at Space Research Institute RAS. ...

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... The source exhibits a mas-scale structure which, according to the USNO multi-epoch monitoring at 2.3 and 8.4 GHz over the period from 1994 July through 1998 April, undergoes considerable changes in the brightness distribution and positions of the major structural features. Our image is qualitatively consistent with the structural pattern of the source. ... We note a difference of ~90 in position angles of secondary components in our image and the 5 GHz VLBI image by Shen et al. 1998). ...

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... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... ISS Russian Segment . ... ISS 45/46 . ... Experiments and Researches from 2013 . ... Defining the in-flight relationship between changes in the eye structure, state of its blood vessels and sense of vision and movement of fluids to the head, sizes of the blood vessels and blood flow types. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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АСТРОНОМИЧЕСКИЕ АДРЕСАТЫ INTERNET Subject: Introduction to sci.astro Sender: jl26@cornell.edu (Verified) Distribution: world sci.astro is a newsgroup for the discussion of astronomical topics. ... There are six groups in the sci.astro hierarchy: sci.astro Astronomy discussions and information. sci.astro.amateur Amateur astronomy equipment, techniques, info, etc. sci.astro.fits Issues related to the Flexible Image Transport System. sci.astro.hubble Processing Hubble Space Telescope data. ...

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Russian . ... Very Early Universe: inflation, generation of primordial perturbations, preheating . Very Early Universe: inflation, generation of initial perturbations, preheating . Cosmic Microwave Background Radiation: anisotropy and polarization . ... Dark Energy and Dark Matter models . High Energy Astrophysics: accretion discs, cosmic rays, gamma-ray bursts . ... Astrophysics of black holes and wormholes . ...

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0.3 =0.11 s=0.03 s/y = 0.7 0.25 matrix model tracking 0.2 0.15 +s 0.1 -s 0.05 0 0 Coherent synchro-betatron mode tunes vs. the beam-beam parameter . Comparison of matrix calculation and tracking with Gaussian distribution in the synchrotron phase space. 0.02 0.04 0.06 0.08 0.1 0.12

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... Dark Energy and Cosmic Sound . ... Sound waves propagating through the plasma of the Universe only 400,000 years after the Big Bang now offer some of our most precise measures of the composition and history of the Universe. ... He will give an overview of the cosmological role of the sound waves and our observational program then describe what the results tell us about the shape of the Universe and the evolution of dark energy. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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Общая Астрономическая Конференция > Все про астрономическое оборудование > Астрономическое оборудование . CELESTRON WINS SUMMARY JUDGMENT . ... Поиск . Сообщения за день . ... In the Order, the District Court also Denied Meade's motion for summary judgment of infringement that Celestron's products listed above infringe on Meade's U.S. Patent No. 6,304,376 related to Meade's ETX/Autostar telescope technology. ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. ...

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... All the galaxies are divided into 4 groups depending on the environment type; every subsample contains more than 10 galaxies. ... An effect of environments is seen both for the nuclei and for the bulges: if we consider the clusters (Virgo and Ursa Ma jor) and group centers as dense environments and the field and group periphery as sparse environments, then in the dense environments the stellar populations of S0s are in average older by 4ґ5 Gyr than in the sparse ones. ...

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Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Site . Weather . Roof Status . ... Average Max. ... 0.0 . ... In 2004, the roof was operated manually, while in 2005 through 2007, it was operated automatically by computer, but was not closed by weather sensors. ... The "Closed" column includes those nights outside the Monsoon season when the Observatory was closed due to weather (the usual cause), equipment failures, or vacation by the Winer staff in 2004 through 2006. ...

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... Aims: Today, large ground-based instruments, like VISIR on the VLT, providing diffraction-limited (about 0.3 arcsec) images in the mid-infrared where strong PAH features appear enable us to see the flaring structure of the disks around Herbig Ae stars. Although great progress has been made in modelling the disk with radiative transfer models able to reproduce the spectral energy distribution (SED) of Herbig Ae stars, the constraints brought by images have not been yet fully exploited. ...

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RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Radio telescope 's beam General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Radio telescope's beam . ...

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... Home Education Classes AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . AAA Winter Astronomy Class: Measuring Distances in Space тАУ Dec 2015 тАУ Feb 2016 . AAA Spring Astronomy Class: The Physics of Astronomy тАУ February - March 2016 . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ...

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... Практическая астрономия ? Астрономия и компьютеры (Модераторы: Deimos , Ed_Vazhorov ) ? Трехмерные модели вселенной? . ... Записан . ... направление на Бетельгейзе и границу Телец/Близнецы). (setq stars (list . ... list " Proxima" "red" '( -1.57 -1.16 -3.74)) . list " Barnard" "red" '( -0.20 -5.90 0.40)) . list " Wolf_359" "red" '( -7.40 2.20 1.00)) . ... foreach attr stars . command "_sphere" (nth 2 attr) "0.3") . ... command"text" (nth 2 attr) "0.5" "0" (nth 0 attr)) . ...

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Supernova 2002fk in NGC 1309 . This page is devoted to information on Supernova 2002fk in NGC 1309 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page . Information on the original web pages for many of these images can be found on the updates and links web pages. ... 2002/09/19.848 . ... JM Llapasset image . ... 13.0 . ... Josep M. Bosch . ... Josep M. Bosch image . ... vsnet-campaign-sn 476 ] SN 2002fk in NGC 1309 . ...

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... Bad Astronomy . ... On Thursday, February 15th 2001 (and replayed on March 19), the Fox TV network aired a program called ``Conspiracy Theory: Did We Land on the Moon?'', hosted by X-Files actor Mitch Pileggi. ... Dust around the lander . ... However, it appeals to our common sense: when the sky is black here on Earth, we see stars. ... Bad: The program claims that when the top half of the lander took off from the Moon to bring the astronauts back into orbit, there was no flame from the rocket. ...

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