free electron density

The mean free electron density in nanocrystalline carbon is lower than that in graphite .

纳米碳的平均自由电子密度低于石墨晶体。

Research on the Relation between the Free Electron Density in a Unmagnetized Plasma and the Stealth of Target

自由电子密度对等离子体隐身的影响

Results and Conclusion The calculated radar diffusion section , using the free electron density of the trail as its input has higher accuracy than the two dimensional results .

结果与结论用本方法计算的自由电子密度所求得的尾迹雷达散射截面比二维结果有较大改进；

Through discussing physical mechanism of optical breakdown in air caused by high power laser and ionization , the formula of free electron density in laser focus regime was attained .

通过对高功率激光空气击穿的物理机理、电离机制的讨论，得到空气击穿过程中激光焦区内自由电子密度公式。

The physical mechanism of optical breakdown induced by short-pulse laser in water was analyzed , and the laser breakdown threshold was determined with a numerical calculating method for the rate equation of free electron density .

对短脉冲激光作用水介质中引起光学击穿的机制进行了分析，通过自由电子密度速率方程的数值解确定激光的击穿阈值。

Simulate laser ablation of transparent dielectric material , get the results of distribution of the laser energy balance , absorbed energy distribution along the propagation direction of wave , the spatial distribution of energy absorption , changes in the maximum free electron density .

对激光烧蚀透明电介质材料进行了数值模拟，得出激光的能量平衡分布、吸收的能量沿传播波方向的分布、吸收能量的空间分布、最大自由电子密度的变化。

The results show that a wide region in which the abundance of the neon-like ion is more than 50 % and the free electron density is more than 10 ~ ( 20 ) cm ~ ( - 3 ) is obtained .

结果表明：在等离子体中能够形成宽的类氖离子丰度大于50%的区域，并且具有大于1020cm-3的自由电子密度。

As the temperature increases from 25K to 295K , the mean free electron density of nanocrystalline and graphite decrease : the magnitude of the decrease of the mean free electron density of nanocrystalline is higher than that of graphite .

当温度从25K升至295K时，石墨和纳米碳中的平均自由电子密度随温度的升高而下降：石墨晶体中的自由电子密度随温度的升高变化较小；