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geological core drilling
释义
geological core drilling
Encyclopedia
理学
钻探工程
释
geological core drilling
地质岩心钻探
使用专用钻探机械,利用圆筒状钻头、岩心管和钻杆等组合成钻具,在岩石中环状破碎岩石,在孔底中心部分保留一个柱状的岩心,再从孔内取出岩心用以研究地质和矿产情况的钻探。简称地质钻探。是钻探工程学科下最重要的分支学科,是固体矿产地质勘探中采用的主要技术方法。
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spin paramagnetism
spin-Peierls order
spin Peltier effect
spin phase
spin polarization
spin polarization of liquid 3He
spin polarization of liquid ^3He
spin polarization ratio
spin-polarized atomic hydrogen
spin polarized calculation
spin-polarized calculation
spin polarized current
spin-polarized current
spin-polarized density functional theory
spin-polarized electron tunneling
spin-polarized field effect transistor
spin-polarized functional
spin-polarized low-energy electron microscopy
spin-polarized organic light-emitting diode
spin-polarized scanning tunneling spectroscopy
spin-polarized transport
spin precession
spin projection operator for Dirac equation
spin pumping
spin pumping effect
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