摘要
目的:分析调磨后自制低镍烤瓷合金的粒度分布,以推断是否对机体尤其是肺组织产生影响。方法:实验于2007-04-05在中科院金属研究所完成。将中科院金属研究所提供的镍烤瓷合金在一封闭空间内调磨,收集调磨后的颗粒25g,用英国产Master sizer Macro型激光粒度分析仪分析颗粒的分布情况。结果:金属颗粒分布范围较宽,覆盖设备的检测范围(0.3～300μm)。一般将直径小于15μm的尘粒称呼吸性粉尘,实验中自制镍烤瓷合金调磨后颗粒中15μm以下的占1.6%左右,5μm以下占0.55%,而2μm以下占0.25%左右。结论:调磨金属所产生的颗粒大部分较大,依照公共卫生学要求推测其对肺组织的影响较小。
AIM： To analyze the particle spread of the self-made low-nickel porcelain alloy after grinding, and conclude whether it affects organism especially the lung tissues. METHODS： The experiment was carried out in the Metal Institute, Chinese Academy of Sciences between April and May in 2007. The low-nickel porcelain alloy, offered by this institute, was grinded in a closed space, and the particles （25 g） were collected to analyze the spread of the particle by Master sizer Macro laser particle analyzer. RESULTS： The range of the metal particle was fairly broad, covering the detection limit （0.3-300 μm） of the equipment. Generally the dust particles with a diameter of less than 15 μm were considered as respirable dust. In this study, the percents of the grinded particles with a diameter of below 15 μm, 5 μm and 2 μm were 1.6%, 0.55% and 0.25% respectively. CONCLUSION： Most metal particles are large and supposed to possess few influences on the lung tissues according to the public health standard.
出处
《中国组织工程研究与临床康复》
CAS
CSCD
北大核心
2007年第48期9754-9755,共2页
Journal of Clinical Rehabilitative Tissue Engineering Research
基金
辽宁省教育厅攻关计划项目(D5L451)
沈阳市科技计划项目(1063313-1-00)~~
