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1)  diameter of soil pellet
土壤颗粒直径
2)  soil particle size distribution
土壤颗粒粒径分布
1.
Based on this theory,the fractal characteristics of soil particle size distribution under the 12 subalpine coniferous forests in Western Sichuan were studied,and the results showed that the fractal dimension of soil particles in surface layer ranged from 2.
本研究探讨了利用土壤颗粒粒径分布的分形维数来定量表征川西亚高山针叶林土壤的特征。
3)  Soil particles
土壤颗粒
1.
Characteristics of fractal dimension of soil particles in alkali grasslands of Anda City;
安达市碱性草地土壤颗粒的分维特征
2.
The composition of soil particles of the Loess Plateau mainly is fine and coarse fine loess ones of the Loess Plateau.
黄土高原土壤颗粒组成主要以细沙粒和粗粉沙为主 ,此二者是土壤的骨架部分 ,其含量占颗粒总量的 5 0 %以上。
4)  Soil particle
土壤颗粒
1.
Advance in research of soil particle and elemental effects;
土壤颗粒及元素效应研究进展
2.
Fractal characteristics of soil particles in surface layer of black soil;
黑土表层土壤颗粒的分形特征
3.
Fractal dimension characteristic of soil particles during the grassland reclamation and protection
草地开发与保护过程中土壤颗粒分形特征
5)  particle diameter
颗粒直径
1.
On the basis of equal specific interfacial areas, an equivalent particle diameter is brought forward and the thermal conductivity of dual-sized particles reinforced aluminum matrix composites is calculated.
在等比表面积的基础上,提出了等效颗粒直径的概念,解决了两种粒径颗粒混合增强铝基复合材料导热率的预测问题。
6)  soil particle size
土壤粒径
1.
The biomass of Sabina vulgaris in different terrain of fixed dune was compared in Maowusu sandy land,and the relationships between the soil nutrients and biomass and the ones between the soil particle size and biomass were analyzed.
对毛乌素沙地固定沙地不同地形(沙丘的顶部、迎风面、底部)中的沙地柏生物量进行比较,分析了土壤养分状况、土壤粒径与生物量关系。
补充资料:颗粒特性直径
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性质:用某种圆球直径来表示非球形颗粒的外形尺寸,称为特性直径,或当量直径(equivalent diameter),常用三种表示方法:(1)若颗粒的体积为Vp,按等体积的圆球直径计算的颗粒特性直径,dp=(6Vp/π)1/3(2)若颗粒的外表面积为Sp,按等外表面积的圆球直径计算的颗粒特性直径,;(3)若颗粒的比外表面积为Sv,按等比外表面积计算的颗粒特性尺寸,ds=6/Sv=6Vp/Sp。ds和dp两种表示方式常用于颗粒床层流体力学研究,而Dp常用于颗粒床层中流体与颗粒外表面间的传热和传质研究。 

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