1) rill density
细沟密度
1.
The experimental data of the slope erosion are analyzed by stochastic theory and fractal geomety,and some quantitative descriptions for the slope pattern ofthe slope erosion are obtained according to the rill density and fractal dimension of the rills.
本文利用随机理论和分形几何学方法，对坡地侵蚀实验资料进行分析，以坡面细沟密度指标及沟系分维数对坡地侵蚀的平面形态进行了定量描述。
2.
Furthermore,the soil erosion of the slope was analysed by means of the rill density.
从分析细沟床面上切应力出发，在细沟全断面泥沙处于临界起动条件下，导出了细沟临界断面方程并讨论其水力几何要素的变化，进一步提出用细沟密度去分析坡地的土壤侵蚀程度。
2) Ditch density
沟渠密度
3) gully density
沟壑密度
1.
A discussion on the mathematical model of theoretical maximum of gully density;
流域沟壑密度理论极值数学模式商讨
2.
, are used to investigate the gully density.
沟壑密度是评价小流域沟蚀程度的指标，具体地反映了小流域沟蚀轮廓。
3.
In defferent evolution periods, the relation between gully density and cutting depth is various.
主要探讨了在流域地貌演化的不同阶段，沟壑密度与切割深度的复杂关系，建立了沟壑密度随切割深度变化的理论极值模型及相应阶段的函数，补充了各演化阶段地貌形态要素的定量、定性描述；反之，可用沟壑密度与切割深度的关系推断流域地貌的演化阶段。
4) Cell density
细胞密度
1.
Corneal endothelial cell density and morphology in aqueous tear deficiency eyes;
泪液缺乏型干眼的角膜内皮细胞密度及形态学观察
2.
Cell density mediates integrin ανβ6 expression in colon cancer cells——A mechanism by which cancer cells sustain a self-perpetuating growth manner;
细胞密度调节结肠癌细胞整合素ανβ6表达——癌细胞永生化侵袭生长机制的研究
3.
The cell density decreased from the visual streak to the peripheral zone, especially in temporal periphery (P1, 271 cells/mm2; P21, 217 cells/mm2).
由视条纹至周边部细胞密度递减,颞侧周边部最低(P1,mm2;P21,217/mm2);细胞大小则呈递增的变化,这种变化趋势在颞侧最明显。
5) bacterial density
细菌密度
1.
According to the results,bacterial density in the snow pit of Laohugou Glacier is higher than that in ER Glacier and Hailuogou Glacier.
通过荧光显微镜测定细菌密度,利用DGGE图谱和Shannon-Weaver指数分析细菌种类多样性,对青藏高原北部老虎沟12号冰川、南部东绒布冰川和东南部海螺沟2号冰川雪坑的细菌密度和种类多样性做了差异性分析。
6) Fine root density
细根密度
1.
Fine root density of C at interrow between C and T was lower by 8.
对27年生混交比例为2行杉木和1行观光木的混交林和杉木纯林群落细根分布的研究表明,杉木和观光木行间的杉木细根密度虽比杉木与杉木行间的低8。
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条