relative density
无量纲。
常用释义
英音[ ˌrelətɪv ˈdensəti ]
美音[ ˌrelətɪv ˈdensəti ]
基本释义
- 相对密度：材料密度的一种度量，是物质密度与相同温度下水的密度之比，无量纲。
例句
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1·The mechanical property relies on the relative density.烧结样的力学性能主要取决于其相对密度。
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2·White powder, odorless and tasteless, the relative density of 3.18.产品性能：白色无定形粉末，无臭无味，相对密度3.18。
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3·The relative molecular weight is 852 by using viscometry, its relative density is 1.采用黏度法测定膦基聚马来酸的相对分子质量为852、相对密度为1。
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4·Character: white crystal or granule, odorless, hygroscopic; relative density: 2.564.性能：白色无臭吸湿性结晶或颗粒，相对密度为2.564。
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5·The Vickers hardness exhibits a linear increase and the relative density increases too.复合材料的硬度呈直线增加，相对密度也增大。
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6·Relative density, tensile strength and elongation of samples were also measured and analyzed.对烧结样的相对密度、抗拉强度、延伸率等性能进行了测定与分析。
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7·We may conclude that it is not reasonable to use only a relative density to express properties of gas.模型中仅用相对密度来表征气体性质不甚合理。
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8·The influences of relative density and the shape of strut cross-section on the modulus are also discussed at the same time.同时，讨论了泡沫材料相对密度和胞体支柱横截面形状对材料整体模量性质的影响。
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9·The influence of SHS system and weight on microstructure and pressure system on the relative density were discussed in this paper.分析了化学炉体系及其质量对材料显微结构的影响，探讨了加压制度对材料致密度的影响。
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10·The principle component 1 in Carex lasiocarpa could explain the species relative density of 88% and the aboveground biomass of 84%.毛果苔草湿地中主成分1能够解释88%的物种相对密度和84%的地上生物量；