广州海洋地调局研发高精度测试分析系统 样品可全流程保真

Core Viewpoint - The newly developed integrated system by the Guangzhou Marine Geological Survey Bureau of the China Geological Survey has passed evaluation and is officially in use, enhancing high-precision testing and analysis capabilities in various geological fields [1] Group 1: System Features - The system integrates multiple advanced technologies, including a dual-beam electron microscope, energy dispersive spectrometer, cathodoluminescence detector, and an in-situ Raman spectroscopy system, along with 2D-3D reconstruction software [1] - It enables micro-nano level in-situ FIB-SEM tomography and observation of various features such as microstructure, elements, porosity, minerals, and crystal structures [1] Group 2: Sample Integrity - The system employs a domestically developed vacuum cryogenic mechanical cutting and polishing system, combined with a low-temperature vacuum argon ion polishing system and sputtering equipment, to ensure sample integrity under vacuum and low-temperature conditions [1] - A cold transfer system from the UK allows for the complete process of sample transfer and testing in ultra-low temperature environments [1] Group 3: Application Areas - The system is suitable for samples with specific requirements regarding temperature, pressure, oxygen, and water vapor, including natural gas hydrates, ocean drilling, unconventional reservoirs, lunar soil, and biological samples [1] - Its implementation is expected to significantly enhance testing and analysis levels in natural gas hydrate exploration, South China Sea oil and gas exploration, and deep Earth research [1]