All gas welding operations at APO must be concerned with the possibilities of ?flashbacks? or ?regulator burnout's?, protection from intense lights, sparks causing fires, and potentially explosive combinations. ... 5/16-, 3/8-inch electrodes.. ... Atomic hydrogen welding .. ... General Clothing: the type of clothing required is dependent on the size, nature, and location of the work but the following points provide general protection from the hazards created by welding, cutting, or brazing operations. ...

Anchors, embedded images, and all other elements which contain URIs as parameters may cause the URI to be dereferenced. In this case, the security considerations of the URI specification apply. ... The MD attribute is useful when authors are concerned that a linked object may be subsequently changed to something other than intended. This attribute is used to specify a cryptographic checksum for the linked object to provide a check on its integrity. ...

... Tonight's Sky . ... Observing . ... Star Atlas . ... Astronomy for Kids . ... How close to each other do two stars have to be for one to steal material from the other? ... For two stars of the same mass, if the donor starт??s radius exceeds 38 percent of the binary separation, the accretor will steal mass no matter the separation. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

Russian Space Science Internet (RSSI) is a successful result of RSSI Project. ... space oriented organizations; . ... RSSI offers for its members : . ... videoconferences via MBONE Internet protocol (there are 2 tunnels available now through the general IP network: one to NASA Internet, and another to Moscow State University); . ... It is designed so that all organizations connected to the RSSI gain access to the resources of Russian computer networks as well as world wide Internet. ... nic@rssi.ru ...

... About meteorites . ... Meteorite Shirokovsky . ... The meteorite fell on the frozen Shirokovsky reservoir situated on the Kosva River near the village of Shirokovsky and the cities of Ugle-Uralsk and Kizel. ... Two slices were transferred to the Vernadsky Institute for study and research. ... M.A. Nazarov, Vernadsky Inst. ... Furthermore, the Shirokovsky samples do not contain typical accessory phases of stony-iron meteorites, and the accessory phases are completely atypical for all meteorites. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Telescopes and Observatories . ... January . ... By admin February 20, 2013 Posted in: Armagh Planetarium . ... M42, the Great Nebula in Orion, imaged through Armagh Planetarium?s telescope in January 2013. ... Image credit: Colin Johnston/Armagh Planetarium) . ... M31, the Andromeda Galaxy, imaged with the new telescope in January 2013. ... Armagh Planetarium?s new telescope in action in January 2013. ...

... Previous: The CDS Information Hub . ... While transforming astronomical journals and catalogs to electronic form, we should have in sight two questions: making it easier for the human reader to locate and comprehend information. ... Software technology has applicable ideas for this problem. ... 27 & 42 Information Bulletin on Variable Stars (IBVS) to electronic form -- including about 15000 pages of previous issues, back to 1961, to the present, computer-typeset ones. ...

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SAI VO . ... SAI CAS . ... Web Services . ... SAI Web Services . ... This Web site is provided by SAI VO Group and the use of the Web site and the services available at the Web site are subject to the following terms and conditions in this Terms of Use notice. ... SAI VO Group is constantly improving Web site and services and reserves the right to make such improvements or changes to this Web site, the materials and services provided from this Web site without prior notice as it deems necessary. ...

Progress in science is inversely proportional to the number of journals" . ... PHYSICS JOURNALS . SPIRES-HEP Database Covers more than 415,000 high-energy physics related articles, including journal papers, preprints, e-prints, technical reports, conference papers and theses, received by the SLAC and/or DESY Libraries since 1974. ... Journal of Physics G: Nuclear and Particle Physics . ... Journal of Geometry and Physics (Special Issues) . ... Journal of Nuclear Materials (Special Issues) . ...

This page contains material related to the SETI activities in the USSR and Russia. ... This page is prepared by the SETI Science and Culture Center of the Tsiolkovsky Academy of Cosmonautics and by the SETI Section of the Astronomy Council, Russian Academy of Sciences. The opening sections of this page contain information about the history of SETI in the USSR and Russia, the list of the main publications, the data about SETI institutions and working groups. ...

ATMoB Network Acceptable Use Policy Created 6/1/2005 The Amateur Telescope Makers of Boston, Incorporated provides this network terminals for its members. ... Users must respect the privacy of others. ... The Services may not be used in a manner that precludes or significantly hampers network access by others. ... Where the network or devices are being used to access another network, any abuse of the acceptable use policy of that network will be regarded as unacceptable use of our network. ...

Consequences of Impacts of Cosmic Objects in Circumstances of Changing Climate . ... The consequences of the impacts of asteroids about 1 km in size on the Earth are considered from the viewpoint of their negative effects under conditions when the climate changes. These effects are ejection of greenhouse gases, fires, changes in surface albedo, and global dispersion of asteroid material. ...

... After delivery of all engineering models and SRT test sets to LA main ASC activities were moved to LA as well. ... Special attention was paid to the problem of tests on the electromagnetic compatibility between service and scientific on-board payload. ... The SRT was attached to special supporting frame, and LNA cooling system (NSOTR) was installed on the Focal Container. ... FC Focal Container - hermetic package with the scientific payload; it contains receivers, . ... TVT Thermo-Vacuum Tests . ...

... Meade Instruments Corporation . ... 505 Connector Cable Set . Operating Instructions for use with the Meade? Autostar? ... The #505 Connector Cable Set provides access to three Autostar operations: . ... 2: #505 Connector Cable Set connects between two Autostar handboxes. (1) 3-foot cable. ... If you have a question concerning use of the #505 Connector Cable Set, call the Meade Instruments Customer Service Department at (949) 451-1450, or fax at (949) 451-1460. ... Autostar Downloads . ...

The 2.6 kernel contains a long list of changes which affect device driver writers. As part of the task of porting the Linux Device Drivers sample code to 2.6, your humble LWN Kernel Page author is producing a set of articles describing the changes which must be made. ... November 25, 2003) The entire set of articles has been updated to reflect the 2.6.0-test10 kernel. ... Timekeeping changes (November, 2003; 2.6.0-test9); changes to how the kernel manages time and time-related events. ...

Astronomy Picture of the Day . Io Full Face . ... 29.10.1996 . ... Credit: Galileo Mission , JPL , NASA Explanation: Io is a colorful place. The closest large moon of Jupiter , Io is the most volcanic moon in the Solar System with its surface being completely buried in volcanic lava every few thousand years. ... October 1996 . ... 1995 1996 . ... NASA Web Site Statements, Warnings, and Disclaimers . ... U. Based on Astronomy Picture Of the Day . Publications with keywords: Io . ...

... A rough estimation is that in the United States there is one planetarium per 100,000 population, ranging in size from the Hayden Planetarium's 20-meter dome seating 430 people, to three-meter inflatable portable domes where children sit on the floor. ... Together dblo associates make a huge impact in the architecture, interior design and development arena in London. ... With the holidays around the corner what better way to spoil your family than with your very own private home cinema. ...

Below is a list of all of the modules that come as part of the Apache distribution. ... mod_setenvif Apache 1.3 and up . ... mod_unique_id Apache 1.3 and up . ... Determining document types using file extensions . ... mod_rewrite Apache 1.2 and up . ... User authentication using text files . ... User authentication using DBM files . ... User authentication using Berkeley DB files . mod_auth_anon Apache 1.1 and up . ... User-configurable logging replacement for mod_log_common . ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.