hardpan

hardpan怎么读

英式音标：[\'hɑ:dpæn]

美式音标：[\'hɑdˌpæn]

hardpan的意思释义

n.

（软土下面的）硬质地层，黏土层，砂砾层；硬盘；

英英释义

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

同义词：caliche

hardpan用法及例句

例句参考

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...