Energy-dispersive X-ray spectroscopy (EDX) and selected-area electron diffraction (SAED)analyses pro-vide definite evidences for asbestos fibres encapsulated by carbon tubes.

• 内部的石棉纤维及其外部的碳管均经过X射线能量损失谱（EDX）的成份分析及选区电子衍射（SAED）的结构分析加以证实。