目的探讨根尖片评价根管充填密度的准确性。
Objective To investigate the accuracy of dental film on the density of root canal fillings.
分析了稀释剂添加量和粉体充填密度对反应蔓延速度以及陶瓷涂层厚度的影响。
The influence of diluent and powder packing density on reaction propagating velocity and the thickness of ceramic coating was analyzed.
为此，通过岩心观察和显微镜下薄片鉴定，研究了裂缝的发育类型、发育密度、发育频率以及充填特征。
This paper studies the type, density, frequency and filling of fractures in the reservoirs through core observation and microscopic thin section analysis.
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