古生物CT装置的研制及应用

王燕芳, 魏存峰, 阙介民, 张文定, 孙翠丽, 舒岩峰, 侯叶茂, 张久昶, 史戎坚, 魏龙

Development and applications of paleontological computed tomography

WANG Yan-Fang, WEI Cun-Feng, QUE Jie-Min, ZHANG Wen-Ding, SUN Cui-Li, SHU Yan-Feng, HOU Ye-Mao, ZHANG Jiu-Chang, SHI Rong-Jian, WEI Long

Table 1 Paleontological CT configuration and detection parameters

CT Model Specimen diameter Scanning projections Fossil type 225-3D-μCT X-ray tube: Phoenix XS|225D, focus spot size: 5 μm Detector: Varian 4030CB, pixel size: 194 μm Rotary table: HUBER 410 5-100 mm 720 projections used to reconstruct CT images 4 projections averaged at each angular interval Fish Amphibians Reptiles Birds Mammals Humans Plants 450-TY-ICT X-ray tube: COMET XRS-450, focus spot size: 0.4 mm Detector: DT X-SCAN 0.4- 614HE, pixel size 0.4 mm Rotary table: HUBER 430 100-800 mm 1440 projections used to reconstruct CT images 4 projections averaged at each angular interval