xxx
Array
(
    [0] => Array
        (
            [id] => 1024
            [topology] => 4<sup>5</sup>T29
            [link_rcsr] => 
            [in_col] => 5
            [transitivity] => [5765]
            [space_group] => R32
            [pearson] => hR45
            [cn] => 4
            [Year] => 2015
            [cn_sort] => 004-
            [topology_str] => 4<sup>5</sup>T29
            [caid] => 240
            [nn] => 0
            [name] => 
            [pressure] => 
            [density] => 3.369
            [e_gap] => 
            [energy] => 0.736
            [bulk_mod] => 408.6
            [shear_mod] => 450.2
            [vicker_hard] => 84.0
            [ref_file] => 
            [publ_year] => 
            [ref] => 
        )

    [1] => Array
        (
            [id] => 1025
            [topology] => 4<sup>5</sup>T29
            [link_rcsr] => 
            [in_col] => 5
            [transitivity] => [5765]
            [space_group] => R32
            [pearson] => hR45
            [cn] => 4
            [Year] => 2015
            [cn_sort] => 004-
            [topology_str] => 4<sup>5</sup>T29
            [caid] => 240
            [nn] => 1
            [name] => HR-carbon
            [pressure] => 14.2
            [density] => 
            [e_gap] => 4.6
            [energy] => 
            [bulk_mod] => 427
            [shear_mod] => 
            [vicker_hard] => 80
            [ref_file] => /References/2015_SciRep_5_13447
            [publ_year] => 2015
            [ref] => 
        )

)
xxx