Con-sidering some un favorable geochemical factors, and that the original occurrence of diaoyudaoite hasnot yet been disc0vered, possible source other than natural magma should be taken into account-Metallurgical waste, re-distributed by tur.

The History and Present Situation of the Diaoyu Island Question;

On the Diaoyu Island Dispute Form the Existing Territory Solving Patterns of International Law;

Analysis of Disputes over Diaoyu Island Sovereignty in the Perspective of International Law;

On the Sovereignty of Diaoyu Islands in View of International Laws;

Some Understandings about Sino-Japanese Dispute on Diaoyu Islands;

The Analysis of International Law on the Dispute of the Diaoyu Islands between China and Japan;

According to the international practice,Diaoyu Islands will have zero effect in delimitation of continental shelf between the two counties and the proportionality should be considered instead.

The focus of the East China Sea dispute are vested in the delineation of the principles and the Diaoyu Islands is- sue, China advocates the principles of delimitation of the continental shelf, the Diaoyu Islands are China\'s inherent territory, while Japan put forward the principle of the median line and occupy the Diaoyu Islands.