User:朝彦/sandbox

• X-ray photoelectron spectroscopy
  • X-ray spectroscopy
    • spectroscopy ^(@)→
  • photoemission spectroscopy
    • electron spectroscopy
      • ^→(@) spectroscopy
        • physical chemistry
          • chemistry
            • physical sciences
              • natural science ^…

• silicon
  • metalloid
    • metal
      • material ^(@)→
      • alloy
        • mixture ^(%)→
        • solution
          • homogeneous mixture
            • ^→(%) mixture
              • chemical substance ^(+)→
        • metallic material
          • material ^(@)→
      • malleable material
        • material ^(@)→
      • inorganic matter
        • ^→(@) material
          • substance ^(#)→
          • product
            • object
              • entity ^…
    • nonmetal
      • chemical element ^(●)→
      • main group
        • chemical element ^(●)→
    • ^→(●) chemical element
      • type of chemical entity
        • type
          • class ^…
      • ^→(+) chemical substance
        • chemical entity ^…
        • ^→(#) substance
          • ordinary matter
            • baryonic matter ^…

• painting
  • two-dimensional visual artwork
    • visual artwork
      • work of art
        • creative work
          • intellectual work
            • work ^(@)→
      • visual work
        • ^→(@) work
          • artificial object
            • object
              • entity ⊸