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It features 5-meter , 10-meter and 60-foot antennas , each supported by telemetry , command and processing systems that are used to track and collect data from satellites , planetary explorations and manned space flight activities . Spotted by ResearchBuzz , this site seems to be the be-all and end-all of alchemy on the Web , with " tens of thousands of pages of text , over 2000 images , over 200 complete alchemical texts , extensive bibliographical material on the printed books and manuscripts , numerous articles , introductory and general reference material on alchemy . Gamma radiation dose to the Stirling alternator power conversion system and total astronaut dose can be kept to their nominal minimums of 20 MRad and 5 Rem / yr by burying the reactor in lunar surface material ( regolith ) on Moon missions.1 An alternative option is to install a permanent water shield on the reactor . But it is not necessary to do so here . It suggests that the physician personally performing the anesthesia services only has to provide the same kind of services as the physician medically directing the anesthesia service . Results of the column experiment , which used fine-grained bed material , are shown on Figure 5 . It 's important to realize that you ca n't take this country for granted . The influence of natural aquifer material on arsenic transport , speciation , and retention has been the subject of recent investigations . As it will take some time to restructure the universal service corporations , it would be prudent and in the taxpayers interest to suspend further expenditures on schools and libraries .