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单词 hardpan
释义

hardpan

听听怎么读
英 ['hɑ:dp?n]
美 ['hɑd?p?n]
是什么意思
  • n.

    (软土下面的)硬质地层,黏土层,砂砾层;硬盘;

  • 英英释义

    hardpan[ 'hɑ:dp?n ]

    • n.crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions

      同义词:caliche

    学习怎么用

    权威例句

    hardpan
    hardpan:
    Hardpan
    HARDPAN IN SOILS OF SEMI‐ARID WESTERN AUSTRALIA
    Hardpan and microrelief in certain soil complexes of California
    Influence of hardpan layers on arsenic mobility in historical gold mine tailings
    A preliminary investigation of hardpan horizons in north-west New South Wales.
    Performance of an oscillating subsoiler in breaking a hardpan
    Residual effects of slit tillage and subsoiling in a hardpan soil
    The effects of hardpan layers on the water chemistry from the leaching of pyrrhotite-rich tailings material
    Mobility and retention of trace elements in hardpan-cemented cassiterite tailings, north Queensland, Australia
    Geochemistry of calcretes (calcic palaeosols and hardpan), Coimbatore, Southern India: Formation and Paleoenvironment
    Mineralogy of the hardpan formation processes in the interface between sulfide-rich sludge and fly ash: Applications for acid mine d...
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