4) specific density
比重，比密度
5) density ratio
密度比
1.
Influence of density ratio on the discharge coefficient of turbine blade film cooling holes;
密度比对涡轮叶片气膜孔流量系数的影响
2.
The coaxial cross jets flow field with two different angles of cross jets and four density ratios has been investigated with Dual PDA.
采用Ｄｕａｌ ＰＤＡ研究了２种射流交叉角度和４种密度比的同轴交叉射流的流场，发现射流交叉角度和密度比对射流流场有重要影响。
3.
The effects of the density ratio of binary species and compressible effect were mainly discussed.
通过数值求解可压缩Navier-Stokes方程模拟了三维可压缩双组分混合层问题,着重研究了双组分密度比和可压缩效应对混合层发展演化的影响。
6) large density ratio
大密度比
1.
By the numerical simulation of basic flow,Floquet stability analysis of inteffacial flow with periodic fluctuation into large density ratio range were extended.
基于周期脉动速度激励下气液同轴射流的数学模型,运用线性稳定性理论,采用Chebyshev配点法和Floquet理论,将含周期脉动分层流的Floquet稳定性分析扩展到大密度比的情况。
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