1) acoustic energy flux density
声能流密度
2) sound energy density
声能密度
1.
The linear differential equations are set up and the solutions of the equations are founded in order to get two sound energy density formulas.
从能量守恒定律出发,假定舞台空间及观众厅空间均系完全扩散的声场,建立线性微分方程组并求解之,即得到分别求两个空间声能密度的公式,将两个公式适当变形,即得到分别求舞台空间及观众厅空间的声衰变方程,并用相关资料发表的实测数据对理论计算结果进行了印证,其误差范围在工程许可的范围内。
3) energy flux density
能流密度
1.
Considering that parameters influencing injury level of animals are various, we have taken many abridgements and finally focus on the two key parameters of impulse and energy flux density, and obtain a reasonable method to marking off the levels of underwater blast injuries.
由于水下爆炸中影响动物伤情的参数繁多,我们经过分析后,发现将冲量和能流密度作为两个主要因素来考虑是合适的,并由此得出合理的伤情等级划分方法。
2.
The determination of incident wave direction by wave front and energy flux density was also described.
同时 ,采用波阵面法和能流密度法判别入射波方向 ,克服了Pad e近似吸收边界只对正入射波具有较好吸收性 ,而对非正入射的波吸收性不好的缺点。
4) Poynting vector
能流密度
1.
Application of Differential Form and Complex Formulation for Poynting Vector;
能流密度的微分矢量式及其应用
2.
The relation of average poynting vector between back wave,refracting wave and incident wave is derived and proved by the use of "Fresnl" way of electroagnamics and "d Alembert" way of mathematical and physics.
运用电动力学中的Fresnl公式法和数学物理方法中的d′Alembert法,推导出反射波、折射波与入射波的平均能流密度关系。
6) Energy flux
能流密度
1.
It is shown that the tunneling energy flux in the tunneling process is the result of the interference between the incident and reflected waves.
讨论了在被称之为受阻全内反射的隧穿过程中发生在由光疏介质到光密介质界面上的一种全反射现象 ,指出隧穿过程中的隧穿能流密度是隧穿区域内的入射波和反射波干涉的结果 ,进而给出了隧穿区域和透射区域光波的多次反射的表达
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