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21. Conference "Zeta Functions"
... Number theory semester web page . ... Given a subset A of the primes and a positive integer N, we define the relative density delta (N,A) of the set of elements of A less than N as the quotient between the number of elements af A up to N and the number of primes up to N. Ben Green proved that if N is large enough and if the relative density delta (N,A) is large enough (larger than some given function of N converging to zero as N goes to infinity), then there must be a non-trivial ...
[ Сохраненная копия ]  Ссылки http://www.mccme.ru/lifr/zykin/eng/zeta/talks/deroton.html -- 4.2 Кб -- 30.06.2010
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22. ASP: An Ancient Universe - The Age of the Chemical Elements
An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . ... d) The Age of the Chemical Elements . ... Some isotopes (forms of the element with different numbers of neutrons in the nucleus) of these elements are radioactive; they change into other isotopes at a rate that can be measured accurately in the laboratory. ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/56/ancient4.html -- 8.8 Кб -- 02.10.2012
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23. Star Formation History
... A model for the chemical evolution of a disk galaxy is presented. The model reproduces all the basic . ... investigations of the star formation history. ... the galaxyЫand incorporating a delay in the onset of star formation make it possible to model different scenar- . ios for the evolution of a galaxy's luminosity. ... evolution of massive galaxies. ... of reconstructing the star-formation history and galactic luminosity from observations of galaxies at different . ...
[ Сохраненная копия ]  Ссылки http://www.inasan.rssi.ru/~dwiebe/abstracts/sfrazh.html -- 2.9 Кб -- 27.09.2012
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24. HTML Tag Reference
... This section discusses the tags for defining scripts in a document. Scripts allow you to include JavaScript code in your HTML documents. ... The SCRIPT tag specifies client-side JavaScript code, which means JavaScript code that runs directly in the browser. ... For example, the browser interprets text within angle brackets as a script element, not as an HTML element. ... You can also use SCRIPT tags in the body of your document to define JavaScript code to be executed in that part of the document. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/~satr/JS/REF/tags13.htm -- 10.7 Кб -- 26.03.1998
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25. List of publications
... 2006 . ... A.F.Kholtygin . ... Abstract . ... text in Russian . ... text in pdf (0.55Mb) . ... Kholtygin A.F., Shneiwais A.B. Stochastic Data in Astronomy: Fourier Analasis of Strongly Uneven Time Series , Astrophysics, 48 , 87-100 ( 2005 ) . ... Kholtygin A.F. UV lines in spectra of Planetary Nebulae (in russian) , Ultravililet Universe II , Proc. of the Conference, held in Instititute of Astronomy, May 19-20, 2006, Moscow, Eds: B.M.Shustov, M.E.Sachkov, E.A.Kilpio, M., Yanus-K, pp. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/staff/afk/Papers/PapersPDF.html -- 19.9 Кб -- 19.11.2010
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26. Сумка Made with Swarovski Elements - Made with Swarovski Elements - Made with
... Made with Swarovski Elements - известный бренд, специализирующийся на производстве одежды и аксессуаров, украшенных кристаллами Swarovski. ... В нашей акции представлена богатая коллекция кожаных женских сумок, инкрустированных кристаллами.Артикул: 00_92_BLUE_JEANЦвет: синийСостав: 100% натуральная кожаОсобенности: кожаная сумка с двумя ручками на молнии, украшенная кристаллами Swarovski. ... Тип: Сумка . ... Сумки . ... Тип гриля: Электрический . ... Полезный объем духового шкафа: 66 . ...
[ Сохраненная копия ]  Ссылки http://astrokuban.info/astroku9945.html -- 17.3 Кб -- 14.02.2016
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27. Optical systems and devices
To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...
[ Сохраненная копия ]  Ссылки http://www.mao.kiev.ua/lao/optical_systems_eng.html -- 19.6 Кб -- 12.01.2010
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28. Abstract
Apollo asteroids 1566 Icarus and 2007 MK6: Icarus family members? ... J., 668, L71-L74 (2007) . ... Although it is more complicated to search for near-Earth object (NEO) families than main belt asteroid families, since differential orbital evolution within a NEO family can cause current orbital elements to drastically differ from each other, we have found that Apollo asteroids 1566 Icarus and the newly discovered 2007 MK6 are almost certainly related. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~dja/papers/abs07ApJ.html -- 2.2 Кб -- 18.04.2008
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29. SSAU scientists will be engaged in printing 3D elements of the promising
... SSAU History . SSAU roadmap . ... Engineers of SSAU laboratory of additive technologies started to carry out experiments in the field of 3D-printing of metal parts, components and assemblies. The research of Samara scientists will allow producing highly complex and non-standard elements of spatial forms required for design and creation of advanced aviation and space technology. ... SSAU Laboratory of Additive Technologies is established in 2011. ... e-mail: ssau@ssau.ru . ...
[ Сохраненная копия ]  Ссылки http://www.ssau.ru/engnews/11282/ -- 27.2 Кб -- 07.03.2015
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30. OptInt PmWiki : PmWiki / Other Variables
OptInt PmWiki : Pm Wiki / Other Variables . ... This variable is an array that is used for defining Page Variables . ... To have the page variable $MyVar produce the contents of the internal variable $myvar , many folks try the following which does not work: . ... There are several correct ways to do this, depending on whether you need the value of the $myvar variable as it was at the time the $FmtPV entry was created, or at the time that a particular instance of $MyVar is being rendered on a page. ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/PmWiki/OtherVariables?action=print -- 16.2 Кб -- 01.03.2014
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31. Primary mirror support
... The axial support is provided by 78 air pistons. ... The transverse support is provided by 38 air pistons, supported by cantilevers from the mirror cell, that act on the mirror local center of gravity surface. ... The locations where the transverse mirror support forces should be applied to the mirror are listed in Table 1 and illustrated in Figure 1. ... Figure 1: CAD drawing showing the 2.5-m primary mirror and the locations of the transverse support posts (black) and axial pneumatic pistons (blue...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19980713_1rySupportIII/19980713.html -- 9.9 Кб -- 25.08.1998
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32. Contingency Plans
Next: Mission Element Points-of-Contact . Previous: Mission Operations Data Transfer . ... Each mission element should ensure that their contact information remains current and notify the RSOG of any changes. ... Non-RSOG mission elements will also use the "dit" list to notify the RSOG (and all other mission elements) of unexpected events that may impact operations elsewhere, e.g., if a tracking station discovers that the spacecraft is in an unexpected configuration. ...
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/RadioAstron/documents/rmoh/eng/conting.htm -- 6.6 Кб -- 17.05.2001
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33. DIGITAL WDC EXCHANGE FORMAT FOR OBSERVATORY 1.0 MINUTE VALUES
DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/HTML/WDCFORM.HTM -- 6.6 Кб -- 03.07.2001
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34. Supernova Remnant E0102 72 from Radio to X-Ray
... Supernova Remnant E0102 72 from Radio to X-Ray . ... The above image is a composite of three different photographs in three different types of light . Radio waves , shown in red, trace high-energy electrons spiraling around magnetic field lines in the shock wave expanding out from the detonated star. ... Publications with keywords: radio - supernova remnant - shock wave - supernova - X-ray . Publications with words: radio - supernova remnant - shock wave - supernova - X-ray . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/apod/2000-04-14 -- 15.3 Кб -- 06.11.2006
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35. http://selena.sai.msu.ru/Rod/Publications/ms40/21_Dolitsky_etal.pdf
... 3 ­ Sternberg State Astronomical Institute, Moscow, :jeanna@sai.msu.ru The graphic method of the analysis of an arrangement of linear structural elements on geographical and geological maps of continents (A.V.Dolitsky, [1]) has allowed to find out global stress fields of the past and among them one which directions (the main normal and maximal tangents) describe more than 80 % of all linear elements of a relief. ... The found poles share program way on density of an arrangement on 3-4 groups. ...
[ Текст ]  Ссылки http://selena.sai.msu.ru/Rod/Publications/ms40/21_Dolitsky_etal.pdf -- 683.3 Кб -- 06.10.2008
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36. General astronomical tools
... For given geographical longitude and time zone show the current data and time, Universal data and time, current local star time. ... Accept 10 different data formats (data&time, data with decimal day of month, data with decimal day of year, decimal year, some Julian dates), calculate from any formate to others, show day of week. Current data and time direct insertion function is exists. ... Calculate angular distance between two points at the sky by its equatorial coordinates. ...
[ Сохраненная копия ]  Ссылки http://hea.iki.rssi.ru/SXG/SDC/util/tools.htm -- 6.4 Кб -- 18.02.2004
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37. COALA - Computational Astrophysics Laboratory
Chiaki Kobayashi, Ralph Sutherland How galaxies did form and evolution? - to answer this unsolved problem, we are simulating the formation and evolutionary history of galaxies in the Universe, including star formation, supernovae feedback, and chemical enrichment. Comparing the spacial distribution of elements within galaxies with observations, we will examine fundamental physical processes that drive galaxy formation. ... COALA : Universe Galaxy AGN Star Planet ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/coala/galaxy.html -- 5.9 Кб -- 01.10.2012
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38. ADS Abstract Service Results
Find Similar Abstracts . ... The 'black' regions of the Universe . ... The significance of regions devoid of galaxies (black regions) for the bunching and fragmentation theories of the evolution of the Universe is discussed. ... Using the theory, a lower limit on the average density of the gas remaining in the black regions can be set, based on the finding that eight percent of gas elements are expanding in all three dimensions at the first stage of fragmentation. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~mystery/html/Z/biblio/82.4.html -- 7.3 Кб -- 29.05.1996
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39. http://www.naic.edu/vscience/schedule/tpfiles/NicetagP2678tp.pdf
Proposal Identification No.: P2678 Date Received: 2011-Oct-03 23:44:10 Technical Page Proposal Type: General Category: Observation Category: Total Time Requested: Minimum Useful Time: Prop osal Title: Regular Pulsars Galactic 33 Hours 1.00 hr Refined Relativistic Orbital Elements and Mass Measurements for Two Neutron Stars ABSTRACT: Arecibo observations of the pulsar­white-dwarf binaries J0621+ 1002 and J0751 + 1807 have yielded measured relativistic precession (J0621+ ...
[ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicetagP2678tp.pdf -- 48.0 Кб -- 13.10.2011
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40. Некоторые чудеса, связанные с фосфором и свинцом
... Некоторые чудеса, связанные с фосфором и свинцом . ... История фосфора . ... Это светится белый фосфор. ... Белый фосфор - твердое кристаллическое вещество, причем в химически чистом виде кристаллы белого фосфора совершенно бесцветны, прозрачны и очень хорошо преломляют свет. ... Поэтому в обычных условиях фосфор внешне очень похож на воск, но тяжелее его (плотность белого фосфора 1,84). ... При 44њ С белый фосфор плавится, а при 280,5њ С кипит. ... Растворяли белый фосфор в бензоле или сероуглероде...
[ Сохраненная копия ]  Ссылки http://www.skeptik.net/miracles/elements.htm -- 10.1 Кб -- 01.10.2012
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