临界体积的英文
critical size
critical skeleton
critical volume
volume, critical
例句与用法
- A dilution of the cb volume fraction due to the thermal volumen expansion of the composites is estimated . if the cb volume fraction decrease to the percolation threshold , ptc effect of the composites occur
随着聚合物基体的热膨胀，无论是结晶聚合物基体或非晶聚合物基体体系，只要导电填料的体积分数被稀释到临界体积分数以下，复合材料就会产生ptc效应。 - A quantitative analysis of this idea led to the prediction that a star remaining about three times the mass of the sun at the end of its evolution ( usually as a neutron star ) , will almost inevitably shrink to the critical size needed to undergo a gravitational collapse
该想法的定量分析导致预言一颗恒星在终止它演化时候保持大约三倍太阳的质量(通常看做一颗中子星) ,将会几乎不可避免收缩到临界体积必须遭受引力坍塌。 - 1 . upon brief reviewing current mathematical and physical models and mechanisms for electrorheological effect , the theoretical analysis of the dielectric relaxation of electrorheological fluids and the frequency - inducing characteristics for electrorheological effect are conducted . based on statistical thermodynamic analysis and osmotic pressure calculating of an electrorheological fluid complex system , phenomenological theory is adopted to evaluated phase reparation characteristics . thus critical factors corresponding to experimental results are introduced
在简要评述现有电流变效应模型及机理的基础上，按非均匀介质对双相复合悬浮液的电流变效应进行理论分析，研究了电流变效应频率诱导特性；基于复合系统渗透压的计算，采用统计热力学唯象理论，讨论了电流变效应的相分离特征，获得了与实验吻合的临界参数；首次将定向渗流模型应用于电流变体临界体积浓度的分析，得出一个描述电流变流体特征而不随外加电场变化的临界体积百分数为0 . 37 。 - By using this model , the contribution of the thermal volume expansion of the matrix to the ptc transition of the composite is quantitatively estimated . the theory and experiment revealed that the conductive mechanism of abrupt resistivity increase at ptc transition region was equivalent as abrupt resistivity increase at the percolation curve close the critical volume fraction
可以利用这个模型，对基体体积膨胀对ptc转变的贡献进行了定量分析，表明ptc转变区的电阻突变与渗流曲线在临界体积分数附近的电阻率突变在导电机制上是相同的。
