Next: Future Work Up: CCD Scientific Performance Previous: Modes of Operation . ... However, the first experiments with Co-60 irradiation showed loss of charge transfer performance at doses of 10krads [Lumb and Holland 1988b]. ... These studies showed that the charge transfer degradation was a more severe problem than conventional integrated circuit damage mechanisms. ... Another manifestation of radiation damage is that of dark current spike generation. ...

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Next: Adding more disk space Up: Allocating disk space Previous: Space requirements . I used to have a 109 MB hard disk. Now I am using a 330 MB hard disk. I'll explain how and why I partitioned these disks. ... First, I used to run MS-DOS together with Linux. For that, I needed about 20 MB of hard disk, or just enough to have MS-DOS, a C compiler, an editor, a few other utilities, the program I was working on, and enough free disk space to not feel claustrophobic. ...

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... Instead of putting code in each application you write to control each device, you share the code between applications. ... Within the kernel, there are a set of functions, registered with the filesystem, which are called to handle requests to do I/O on ``device special files,'' which are those which represent devices. ... This chapter explains how to write any type of Linux device driver that you might need to, including character, block, SCSI, and network drivers. ...

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... A lot Chinese names are degenerate. For example, it is hard to identify the person by just reading S. Xu. My advisor Michael Jura at UCLA and I facilitated AAS to follow APS and allow Chinese, Japanese and Korean to display their names in their original characters. It has been an option since 2010. ... Here is an example of the LaTex file and the compiled pdf . If the Chinese characters appear garbled, make sure to set the encoding of the LaTex file to be UTF 8. ...

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The best possible protection for personnel is elimination of the hazard. ... Wherever the hazard cannot be eliminated, and there is reasonable risk to hazard exposure, personnel are required to use the proper protective equipment. ... Refer to Section 13 , titled ?Eye and Face Protection?) ... For example, rubber insulation gloves are required to protect against electrical shock wherever work is done on high voltage power equipment. ... Refer to Figure 12.1 , titled ?Use of Protective Equipment?) ...

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... The main methods for communicating between kernel space and user space are fifos and shared memory. ... This paper, presents the fifos and shared memory virtual interface (VIs) that allow LabVIEW to communicate and share (bulk) data with the real-time core. ... For the work described in this paper, the interested reader will require the common mbuff 0.7.11 and fifos 0.52 packages built under either the RTLinux 2.23 or RTAI 1.34 kernel patches to Linux 2.2.145. ...

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... BEHR is a standalone command-line C program designed to quickly estimate the hardness ratios and their uncertainties for astrophysical sources. It is especially useful in the Poisson regime of low counts, and computes the proper uncertainty regardless of whether the source is detected in both passbands or not. ... src are the counts within the source region, and *bkg are counts within the background region. ... soft-band counts in source region . hard-band counts in source region . ...

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... Science Blog . ... April 11, 2016 . ... October 20, 2015 . ... October 21, 2014 . ... April 22, 2014 . ... October 29, 2013 . ... April 22, 2013 . ... October 18, 2012 . ... April 24, 2012 . ... Hard Science/Soft Skills is an innovative lecture series focused on addressing this issue. ... Classic "hard science" disciplined organizations, such as science, medicine, technology and engineering, present culture-specific challenges and needs. ... Check out our Hard Science/Soft Skills archive. ...

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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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. home . product . gallery . contact .

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... Neutral hydrogen is the best tracer of accreting and outflowing gas, however very hard to detect due to its low column density. ... Simulations predict that in order to detect HI in the extended environment of galaxies, brightness sensitivities well below NHI ~1018 cm-2 are required (e.g. Popping et al. ... Direct aims of the projects include: - Achieve a 1 sigma NHI of 2.5x1017 cm-2 over 20 km/s. - Measure the extended gas content of galaxies to detect gas accretion and outflows. ...

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rather tight constraints on the performance of NLC detectors: ...bunch-to-bunch time interval of 1.4ns suggests almost speedof- light response... ...large background of low energy e?,g suggests a detector with a 10-20 MeV energy threshold ...large IR radiation dose ... suggesting an energy threshold above 8 MeV ...large radiation dose will damage detector components, requiring radiation-hard detector Arlington Linear Collider Workshop , January 9-11 , ...

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New Opportunities 2010 and Beyond: The High-Energy/Radio Connection High Energy Missions Timeline XMM, Suzaku.. ... Hard X-ray Sky EXIST Wide-Field Hard X-ray Imaging: EXIST Ї~20X more sensitive than Swift or INTEGRAL and cover full sky ЇDetect ~104 sources, 10 positions, 3-600 keV spectra Їunique temporal survey: full sky imaging each orbit High Energy Telescope HET (10-600keV) (6 x 3 coded aperture telescopes; 131o x 65o FoV) Low Energy Telescope LET (3-30 ...

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... System . By using software standards provided by most computer manufactures, ESO-MIDAS runs on VMS and OpenVMS systems (Trademarks of Digital Equipment Corporation) =, a large variety of UNIX (Trademark of AT ) platform, as well as one personal computers (386, 486, Pentium) running Linux. ... IBM/AIX RS/6000 systems; . ... The full MIDAS system requires of the order of 20 Mbyte of disk storage if shared libraries ( e.g. SUN, PC/Linux) are available, otherwise up to 100 Mbyte may be needed. ...

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... Chandra Resolves the Hard X Ray Background . ... Chandra , NASA Explanation: It is everywhere but nobody knew why. ... The above photograph shows that about 80 percent of the apparently diffuse hard X-ray background can be resolved into very many very faint sources. ... NASA Official: Jay Norris. ... Публикации с ключевыми словами: Chandra - x-ray background - cosmic microwave background radiation - Рентгеновский телескоп - рентгеновский фон - космическая рентгеновская обсерватория . ...

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The AstroGuide . ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Located in the middle of Hard Labor Creek State Park in Rutledge, Georgia (~50 miles east of downtown Atlanta), the observatory is a resource for professional and amateur astronomers. However, an additional service of HLCO has been to the public - bringing the wonders of the Universe to Georgia residents. ... Web Site . ... Web . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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11 august 2014/Monday: Arriving, Registration . ... The variation of solar flare coronal X-ray source spatial properties. ... Melnikov V.F., Charikov Yu.E., Kudriavtsev I.V. Directivity of X-ray and gamma-ray emission from different parts of flaring magnetic loops. ... E., Melnikov V.F. Angular characteristics of polarization degree of hard X-ray emission from different parts of flaring magnetic loops. ... The thick target model and analytical calculations of the hard X-ray emission from solar flares. ...

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... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2004 September 14 . Genesis Mission's Hard Impact . Credit: Genesis Mission , NASA . ... The saucer, pictured above , was the Genesis sample return capsule, part of a human-made robot Genesis spaceship launched three years ago by NASA itself to study the Sun. ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

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. Russian page . 28.09.2002. Hard work of Jury... Photo by I.Salnikov .

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