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The World Health Organization, in conjunction with the Food and Agriculture Organization, published guidelines that can be effectively represented in a food pyramid relating to objectives in order to prevent obesity, improper nutrition, chronic diseases and dental caries based on meta-analysis [8] [9] though they represent it as a table rather ...
The 2.3 kW NSTAR ion thruster developed by NASA for the Deep Space 1 spacecraft during a hot fire test at the Jet Propulsion Laboratory (1999) NEXIS ion engine test (2005) A prototype of a xenon ion engine being tested at NASA's Jet Propulsion Laboratory (2005)