hardpan
英：['hɑ:dpæn] 美： ['hɑdˌpæn]
hardpan 基本解释
n.（软土下面的）硬质地层，黏土层，砂砾层；硬盘；
英英释义
hardpan[ 'hɑ:dpæn ]
n.crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions同义词：caliche
hardpan 相关例句
权威例句
hardpanhardpan:HardpanHARDPAN IN SOILS OF SEMI‐ARID WESTERN AUSTRALIAHardpan and microrelief in certain soil complexes of CaliforniaInfluence of hardpan layers on arsenic mobility in historical gold mine tailingsA preliminary investigation of hardpan horizons in north-west New South Wales.Performance of an oscillating subsoiler in breaking a hardpanResidual effects of slit tillage and subsoiling in a hardpan soilThe effects of hardpan layers on the water chemistry from the leaching of pyrrhotite-rich tailings materialMobility and retention of trace elements in hardpan-cemented cassiterite tailings, north Queensland, AustraliaGeochemistry of calcretes (calcic palaeosols and hardpan), Coimbatore, Southern India: Formation and PaleoenvironmentMineralogy of the hardpan formation processes in the interface between sulfide-rich sludge and fly ash: Applications for acid mine d...
