将一定量的试样放入磨损指数的测定装置中,在恒定的气速下吹磨五小时。第一小时吹出的试样弃去不计,收集后四小时吹出的试样,计算出每小时平均磨损百分数,作为试样的磨损指数。
打印预览 年龄为48.4±7.1岁;患者共计楔状缺损患牙273例,其中前磨牙81颗,前牙113颗,磨牙79颗。检查时按磨损指数(tooth wear index,TWI)中缺损深度5度分类法对患牙缺损程度进行分类,其中轻度缺损(1度)78颗,中度缺损(2度)137颗,重
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...;砂状氧化铝;显微结构;磨损指数;强度[gap=924]Key words: fractal dimension; sandy alumina; microstructure; attrition index; strength...
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... abrasion wear test machellone 耐磨实验机 abrasion wear index 磨损指数 abrasion wear rate 磨损率 ...
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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.
种分氧化铝磨损指数和分维数之间的关系必须结合形貌结构进行分析,形貌结构类型相同的种分氧化铝的磨损指数随分维数增大而增大。
The results show that the attrition index of alumina from carbonization precipitation increases with the increase of fractal dimension. The crystal structure should be considered during analyzing …
提出采用切削力信号的奇异性指数作为衡量刀具磨损的参量。
The singular index of cutting force signal is proposed as a parameter for detecting cutter's wear.
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