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。
In total hip endoprosthetics and consequently for TDA , metal-on-metal combinations are used with the aim of reducing wear debris.
与四肢骨关节成形术一样，有磨损颗粒引起骨溶解及自由金属离子产物引起系统性反应的担心。
As in arthroplasty of the appendicular skeleton, there exists concern over wear debris leading to osteolysis and the systemic effects of free metallic ion production.
模拟工业铝酸钠溶液连续碳酸化分解条件，对分解过程不同阶段产物氢氧化铝的粒度、磨损指数和结晶形貌的变化进行了研究。
The particle size distribution and attrition index of continuous carbonization products from sodium aluminate solution were studied according to the industrial production conditions.
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