Debris flow in Dandong Prefecture mainly distributes in three counties of Kuandian, Fengcheng and Youyan. The area subject to debris flow occupies 58. 3% of the total area.
丹东地区的泥石流，主要分布在宽甸、凤城、岫岩三县，泥石流活动影响面积占全区。总面积的58.3%。
In total joint replacement, key point of prophylaxis for aseptic loosening was prophylaxis for periprosthetic osteolysis which was due to particulate wear debris.
在人工关节置换中，磨损微粒引起假体周围溶骨已成为当前预防假体无菌性松动的研究重点。
In total hip endoprosthetics and consequently for TDA , metal-on-metal combinations are used with the aim of reducing wear debris.
研究背景：为了减少磨损产物，在全髋置换和后来的全椎间盘置换术中，使用金属-金属联合的假体。
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