... critical density 临界密度,临界交通密... relative density 相对密度 population density 人口密度 ...
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... 成型气氛 | Protective atmosphere 零件致密度 | Relative density 打印精度 | Dimensional accuracy ...
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Density and Relative Density 密度和相对密度 ; 密度与相对密度
true relative density [物] 真相对密度
relative density test 相对密度试验
apparent relative density [矿物] 视相对密度
soil relative density 土壤相对密度
relative density index 相对密度指数
Determination of relative density 相对密度的测定
relative density curve [矿业] 相对密度曲线
The sample prepared at 300℃under the pressure of 6GPa is 40-50nm in size and relative density 99%.
300℃、6GPa 制得了晶粒尺寸 40-50nm,相对密度大于 99%的 ZnO 纳米块体。
参考来源 - 纳米氧化锌常压/超高压下的烧结及其结构与性能The density of open-cell Fe-Ni foam is in the range 0.2g/cm~3～1.2g/cm~3 and the relative density is 2.3%～12%.
泡沫Fe-Ni材料的密度为0.2g/cm~3～1.2g/cm~3,致密度为2.3%～12%。
参考来源 - 泡沫FeOf all the binders used,the tape fabricated with 20wt%PVA+80wt%B-1070 has high green density. After sintering at 1600℃for 2h,the relative density of 96Al2O3 substrates was above 97%（3.73g/cm3）.
以复合粘结剂20wt%PVA+80wt%B-1070为粘结剂的流延素坯在1600℃保温2小时烧结能获得相对密度达97%以上（3.73g/cm3）的96Al2O3基片。
参考来源 - 水系流延氧化铝陶瓷基片的研究With increasing of TiB2 content in the original powder system, liquid sintering decreases, and the relative density, bending strength and fracture toughness of the products are increased.
随着TiB2含量增加，液相烧结作用增强，产物致密度提高。
参考来源 - 无包封燃烧合成气相热等静压AlNFor Fujian standard sand, using the dry sampling method and water pluviation method, controlling the initial relative density 50%, the initial surrounding pressures 100,200, and 300kPa, consolidated drained tests are studied.
针对福建标准砂,采用干装法和水下沉积法制备试样,控制初始相对密实度为50%,初始固结围压分别为100、200、300kPa,进行了三轴固结排水剪切试验。
参考来源 - 成样方法对饱和中砂静力三轴试验结果的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N the ratio of the density of a substance to the density of a standard substance under specified conditions. For liquids and solids the standard is usually water at 4°C or some other specified temperature. For gases the standard is often air or hydrogen at the same temperature and pressure as the substance 相对密度 ( symbol: ) → see also specific gravity, vapour density
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。
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。
These maps show the location and relative density of mangroves, which cover roughly 137,760 square kilometers (53,190 square miles) of Earth’s surface.
这些地图显示了红树林的位置和相对分布密度，它们大约占据地球表面的137,760平方千米（53,190平方英里）。
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