Zhang Yilong

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STUDY DESIGN Retrospective study OBJECTIVE.: The aims of this study were to evaluate the radiographic and clinical outcomes of Bryan cervical disc arthroplasty at 10 years follow-up. SUMMARY OF BACKGROUND DATA Cervical arthroplasty is a new technique for treating degenerative cervical disease. Previous reports have shown that cervical arthroplasty with(More)
Karst water of pipeline has the characteristic of spatial distribution uneven. The inversion result of ultra high density resistivity can reflect high and low abnormalities of bedrocks' resistivities. So using the ultra high density resistivity can quickly determine the karst's location and its strike, and determine whether there is water in the karst.
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