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1)  apparent specific gravity of fine aggregate
表观相对密度
2)  apparent density
表观密度
1.
Sketching on methods of measuring apparent density of inorganic chemical products;
测定无机化工产品表观密度方法概况
2.
Influential factors on apparent density and oil absorbency of suspension resin;
影响悬浮树脂表观密度和吸油率的因素
3.
Influences of the apparent density and aging whiteness of PVC on the rheological properties of materials;
PVC表观密度、老化白度对物料流变性能的影响
3)  bulk density
表观密度
1.
Prepration of PVC resin with high bulk density in the presence of compound dispersant;
采用复合分散剂制备高表观密度聚氯乙烯树脂
2.
The effects of mica content on the properties of mica glass composite materials fabricated from recycled soda lime glass powders and natural mica powders were studied by the measurement of bulk density and the complex relationship of the bulk density with mica content were analyzed by SEM.
通过测定表观密度ρ,讨论了云母含量xm对以天然碎云母和回收废玻璃为主要原料的云母玻璃复合体性能的影响;借助于SEM观察对xm与ρ之间的复杂关系进行了分析。
4)  relative density
相对密度
1.
Uncertainty for relative density of Zhenkening Oral Solution;
镇咳宁口服液相对密度测定的不确定度评定
2.
Effect of relative density on the compressive property and energy absorption capacity of aluminum foams;
相对密度对泡沫铝力学性能和能量吸收性能的影响
3.
Investigation on relative density of nanocrystalline Nd_2Fe_(14)B/α-Fe composite permanent magnetic material prepared by extrusion;
挤压制备纳米晶复相Nd_2Fe_(14)B/α-Fe永磁材料相对密度的研究
5)  apparent relative molar enthalpy
表观相对焓
6)  apparent bulk density
表观松密度
1.
Effect of calcination condition on pore volume & apparent bulk density of FCC catalyst was studied.
研究了焙烧条件对FCC催化剂孔体积和表观松密度的影响,结果表明,在480~650℃范围内,随着焙烧温度的升高,FCC催化剂孔体积增大,FCC催化剂在650℃焙烧2h的孔体积比在480℃焙烧2h的孔体积增加0。
补充资料:相对密度
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性质:物质的密度与参考物质的密度在各自规定的条件下之比。符号为d,无量纲量。一般,相对密度只用于气体,作为参考密度的是在标准状态下干燥空气的密度,为1.2930kg/m3。对于液体和固体,一般不使用相对密度。当以1g/cm3作为参考密度(水4℃时的密度)时,过去称为比重(specific gravity)。

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