. Who is it that is tapping on my window? . Who is it that is plucking the instrument's strings? . That segment of good times that have been forgotten . Gradually rises up from the bottom of my heart . Forgotten times . Old city and church at Dongjiadu rd. Several decades ago it was hard to find anybody speaking putunhua here. All people spoke shanghainese. Now this old quarters are demolishing for the sites for new tall scyscrapers and houses. To the third trip .

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• My Links

... This means it is the end-user's responsibility to insure that the telescope does not move into a configuration that may damage it, or damage accessories attached to it. ... This driver does take these limits into account, and attempts to keep the telescope away from the pier. ... If you are using this system to control an unattended telescope, I strongly recommend that you add mechanical switches in series with the DC supply on the motor drive. ...

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• http://www.astro.louisville.edu/software/xmtel/xmtel-7.1/BUGS

. The 64-meter Parkes Radio Telescope has been hard at work since 1961. A movable 18-meter radio dish seen here in the background assists with interferometry studies. John Sarkissian / CSIRO

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BAED50169-949E-4390-9797-B1E9C6AEA7A1%7D
• Finding twin Earths is harder than we thought | Astronomy.com

A descriptor , also commonly called a file handle is an object that a program uses to read or write an open file, or open network socket, or a variety of other devices. ... The operating system enforces a limit on the number of descriptors that a program can have open at a time. ... One is a kernel limitation, depending on your operating system you will either be able to tune the number of descriptors available to higher numbers (this is frequently called FD_SETSIZE ). ...

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• Apache Server Virtual Host Support

... Authors: Remco C. E. van den Bosch et al. arxiv:1211.2656 Эмиссионные линии в жестком рентгене от распада Ti-44 в остатке сверхновой 1987A (Hard X-ray emission lines from the decay of Ti-44 in the remnant of supernova 1987A) . ... Authors: Ian A. Crawford . ... Authors: Jack O. Burns et al. arxiv:1211.0310 Большой обзорный телескоп: коллаборация по изучению темной энергии (Large Synoptic Survey Telescope: Dark Energy Science Collaboration) . Authors: LSST Dark Energy Science Collaboration . ...

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• http://xray.sai.msu.ru/~polar/sci_rev/0903.html
• http://xray.sai.msu.ru/~polar/sci_rev/1508.html
• http://xray.sai.msu.ru/~polar/sci_rev/1006.html

National Aeronautics and Space Administration . ... JOHN E. BLAHA (COLONEL, USAF, RET.) NASA ASTRONAUT (FORMER) . ... EDUCATION: Graduated from Granby High School in Norfolk, Virginia, in 1960; received a bachelor of science in engineering science from the United States Air Force Academy in 1965 and a master of science in astronautical engineering from Purdue University in 1966. ... NASA EXPERIENCE: Selected as an astronaut in May 1980, Blaha has logged 161 days in space on 5 space missions. ...

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• S65-19553
• Astronaut Bio: Shannon Lucid (02/2012)
• Astronaut Bio: Gregory Errol Chamitoff (10/2013)

Summary of A. Skop enkov's prop osal This proposal concerns the classical Knotting Problem in topology: classify embeddings of a given space into another given space up to isotopy. ... The Knotting Problem is known to be hard. ... The Knotting Problem is most interesting for manifolds of dimension at most 4, because embeddings of such manifolds often appear in other branches of mathematics and its applications. ... For N not a homology sphere until 2005 no description of the orbits was known. ...

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• Computability and Complexity
• Conference "Combinatorial Methods in Physics and Knot Theory" (February 2005)

. Arrrrgh, it's hard to find a galaxy (even a Messier galaxy) with the full moon in the sky! . This image was taken May 11.4 UT. Nine 90 sec exposures were stacked (C14/CB245). South is up. The SN is the bright star (~12.5) directly north (below) the nucleus. Philip Sullivan . Back to Bright Supernovae . Back to Supernova 1998bu images . David Bishop Last modified: Tue Dec 22 13:25:31 EST 1998

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• Supernova 1999et in NGC 1643

BNO is in Baksan Gorge at the Northern Caucasus . ... The Baksan Underground Scintillation Telescope (BUST) of volume 3000 cubic centimeters at a depth of more 300 m. The mountainous plant ANDYRCHI to register wide air showers located over BUST on the area 5*10 4 square metres. The complex of surface plants KOVER including a large muon detector, a scintillation telescope and a neutrino monitor meant for studying the hard component of cosmic rays and wide air showers. ...

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• Evidences of supercritical accretion onto black hole in SS433
• About SAO RAS

... We present a simple, e#ective technique that allows the con­ temporary spectroscopy of all the objects, up to a limiting magnitude, contained in a # 100 arcmin 2 field. This technique makes possible the immediate and unambiguous identification of peculiar objects included in the field. ... We show that this technique should also be quite useful in emission line and WR star surveys, and illustrate the software procedures devel­ oped to make the wavelength and flux calibration of these spectra. ...

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• CONICA: The high resolution near-infrared camera for the ESO VLT
• Near IR Astronomy with the ESO VLT
• VLT Status and Instruments

... 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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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Mad Science

Next: Proposed Facility Up: You are CALTECH Previous: You are CALTECH . Your main research interests lie in Lyman-break galaxies. ... Until a few year ago, almost no galaxies had ever been found in the high redshift universe. ... Galaxies that show up as blue in B and R but are very faint in U will be the ones which have the Ly-limit at around 4000?: ie. redshift 3 galaxies. ... These galaxies (when observed with the Hubble Space telescope) appear as tiny blue specks. ... What are these galaxies? ...

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• Proposed Facility
• ANU - Research School of Astronomy and Astrophysics - 5th Stromlo Symposium
• Running the Exercise

... Hartmann Test Using a Screen With Four Holes 2 Hartmann test with four holes screen The theoretical concept of the primary aberrations measurement by four apertures Hartmann test introduced by "Malacara" * and "SalasPeimbert et. al. ... Black curve show the calculated coefficients for phase screens which have 8 modes of Zernike aberrations and red curve show the calculated coefficient for original phase screen. (a) astigmatism 45 (b) astigmatism 090 14 Coma Coma modes of Zernike aberration. ...

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• Methods and instruments to measure/monitor major site properties

... The data from the X-ray spectrometer RESIK, gamma spectrometer HELICON, flare spectrometer IRIS, amplitude­temporal spectrometer AVS-F, and X-ray spectrometer RPS-1 have been used to analyze the X- and gamma-ray emission from solar flares and for diagnostics of the flaring plasma. The absolute and relative content of various elements (such as potassium, argon, and sulfur) of solar plasma in flares has been determined for the first time with the X-ray spectrometer RESIK. ... V.D. Kuznetsov et al. ...

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• Publications

Next Previous Contents . ... There are filesystems on disk partitions and other devices, and there is the filesystem as it is presented to you by a running Linux system. In Linux, you ``mount'' a disk filesystem onto the system's filesystem. ... A filesystem imposes some structure on this, and makes it look like files within directories within directories.. ... If the power cuts out at this point, the filesystem will be broken. ... Usually, the kernel mounts its root file system read-only. ...

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• Directory of Personnel
• Bus Hound
• LWN: Driver porting: low-level memory allocation

Full-Text Search . ... arXiv.org . 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: Stam, M. 1 article(s) in total . 3 co-authors. Median position in authors list is 3,0 . Co-author(s): . ... Harding, Alice K.. ... Astronet | SAI MSU . ...

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... INTERCOSMOS 19 . ... Bibliography . ... Included in this list are only the papers published in editions that seem easily accessible for users outside Russia. The papers published in hardly accessible editions were not included in the list. ... 1980-1984 | 1985-1987 | ...

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• INTERCOSMOS 19: articles
• Dear Colleagues

Клуб Скептиков] [Конференция] . ... Seeking skeptical contacts from Russia . Dear russian skeptic ! ... read a little russian language but can not write . ... I am now especially interested in claims concerning scientific investigation of paranormal in Russia and . ... Alex Посмеемся.. ... Seeking skeptical contacts from Russia 25-Окт (11:16) Archy re: Seeking skeptical contacts from Russia 27-Окт (10:10) DoctoR re: Seeking skeptical contacts from Russia 27-Окт (16:21) Alex re: Посмеемся.. ...

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... Spectra obtained with the 6-m telescope of SAO RAS are used along with archival data from Spitzer and several ground-based telescopes to infer a strength of PAH emission, age, properties of the UV radiation field, and metallicity of studied HII complexes. Physical properties (age, radiation field parameters, metallicity) are related to the F 8 /F 24 ratio used as a proxy for the PAH abundance in order to reveal factors that may influence the PAH evolution in HII complexes. ... Projects | ...

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. Общий форум . Scientific.ru Все форумы . Постоянные участники форумов [ ... ] . [ Сoздать нoвую тeму ] . Отмечать NEW , ! сообщения за последние часов . Показывать на странице 10 20 30 40 тем . Выделять сообщения от . NP-hard - 02.08.2007 21:48 . Как найти статью N. G. de Bruijn, A combinatorial problem? . subj . [ вернуться на форум ] . Как найти статью N. G. de Bruijn, A combinatorial problem? NP-hard, 02.08.2007 21:48 . ТЕМА ЗАКРЫТА . Scientific.ru Все форумы . Scientific.ru , 2000-2016 .

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• Scientific.ru Альтернативный форум
• Новости науки