Geological radar is a non-destructive test instrument that detect the underground objects by the quality of discontinuousness of the underground medium.
Interlayer oxidized zone and argillite-sisandstone-argillite sequence occur in red clastic rock formation with ideal artesian and circulating system of ground water.
Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.
Definition: Rhatany root, known as Peruvian rhatany, consists of the dried, usually fragmented, underground organs of Krameria triandra Ruiz and Pavon.
本品也称作秘鲁娜檀根,为豆科植物拉坦尼Krameria triandra Ruiz and Pavon的通常破碎的部分。
Based on the quality data of overyear water table and groundwater, the research studied the dynamic variation of water table and quality of groundwater.