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Speleology
Speleology (also spelled spelæology or spelaeology) is the scientific study of caves and other karst features, their make-up, structure, physical properties, history, life forms, and the processes by which they form (speleogenesis) and change over time (speleomorphology). The term speleology is also sometimes applied to the recreational activity of exploring caves, but this is more properly known as caving, spelunking or potholing. Speleology and caving are often connected, as the physical skills required for in situ study are the same. Speleology is a cross-disciplinary field that combines the knowledge of chemistry, biology, geology, physics, meteorology and cartography to develop portraits of caves as complex, evolving systems.
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錐束電腦體層攝影
Medical devices; Radiology equipment
也稱為 kV 總站或 MV 總站,這種體積的成像技術使用 x 射線源,kV 或 MV,遍歷物件,同時一個二維的探測器周圍的給定的軌跡 (kV 或 MV 成像儀,分別) 通過,並在物件周圍的多方向的輻射傳輸的措施。複雜重建演算法然後將收購的預測轉換成 3D 的容積圖像。總站給軟組織對比的物件只是一個單一的大卷上的旋轉 (圓掃描) 的源。使用完整 (360 ...
電腦體層攝影
Medical devices; Radiology equipment
採用數位幾何處理用於二維 x 射線圖像採取圍繞一個單一的軸旋轉的大型系列從生成的物件的內部的三維圖像的層析成像的醫學影像處理方法。 ...