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    { "id" : "http://dbpedia.org/resource/Cryogenics"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "In physics, cryogenics is the study of the production and behaviour of materials at very low temperatures.It is not well-defined at what point on the temperature scale refrigeration ends and cryogenics begins, but scientists assume it starts at or below −150 °C (123 K; −238 °F). The National Institute of Standards and Technology has chosen to consider the field of cryogenics as that involving temperatures below −180 °C or −292.00 °F or 93.15 K." ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Liquidnitrogen.jpg?width=300"] } } }
