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美國Advanced Geosciences, Inc (AGI) 
美國AGI公司成立于1982年，是生產傾斜計、測斜儀和數據采集系統的專業廠家，竭誠為工程和科技界提供各種高精度電解質傾斜計，產品包括各種：未經封裝室內應用的傾斜計；完全密封室外應用的傾斜計。為電站、水利設施、能源、礦山、航空、巖土、施工、工業工程以及其它高能物理研究機構提供各種監測儀器和服務。
AGI公司是國際知名的地球物理儀器公司，其高密度直流電阻率與激電儀器是目前國際上最選進的直流電阻率儀器之一，在美國擁有多項專利
Advanced Geosciences, Inc (AGI) is a high-tech manufacturer of geophysical imaging systems. The company is based in Austin, Texas, USA and has been active in the geophysical field since 1989. Our state-of-the-art products include SuperSting R8 IP, SuperSting Marine, SuperSting R1 IP, and MiniSting memory earth resistivity/IP meters, Swift dual-mode automatic smart electrodes (US patent 6,404,203), graphite electrodes (US Patent 6,674,286), and resistivity and IP modeling and inversion software EarthImager for 2D and 3D applications.

AGI boasts the leading developer and manufacturer of both hardware and software for electrical resistivity and IP imaging in the world. AGI instruments and modeling software are delivered to all continents. We have customers in more than 30 countries such as USA, Canada, South America, Asia and most European countries. Our customers include government agencies, universities, research institutions, and environmental and engineering firms. We are proud that scientists and researchers around the world have been using our electrical imaging instruments and software for cutting-edge research and solving real-world problems. Our resistivity and IP imaging systems may be used for:

Cavity and sinkhole detection
Depth to the bedrock determination
Site characterization
Groundwater exploration
Lithology mapping
Mineral exploration
Archaeological site investigation
Detection of free products of non-aqueous phase liquids (NAPL)
Monitoring of remediation processes such as steam enhanced remediation and in-situ air-sparging
Monitoring of subsurface processes such as groundwater recharge, infiltration, saltwater intrusion, tunneling, dam leakage and in-situ mining