Sophie High梥trength Ceramsite prepared by the experiments differs from ordinary artificial light aggregate, its barrel compressive strength is at most one grade higher than ordinary light aggregate with the same density grade.
本试验研制的索菲高强型陶粒不同于普通的人造轻集料，它的筒压强度比同密度等级普通轻集料的指标至少高一个等级。
参考来源 - 索菲高强型陶粒及自释放水源高强混凝土的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
图中展示了这四个密度等级。
The four grades of density are shown in these mammogram images.
每组十五个病人，核密度等级为3。
Each group contained 15 patients with a nuclear density of grade 3.
本项研究用混合型集料配制出了表观密度等级为1800，抗压强度等级为CL50的优质轻混凝土。
In this study, quality light aggregate concrete with 1800 grade of apparent density and CL50 grade of compressive strength was obtained, using mixed type aggregate.
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