查询词典 permeability

Based on the model, retrieves the relative permittivity and relative permeability of the coating- material by iterative inversion of a neural network from the measured antenna temperature.

在此模型的基础上，用神经网络迭代法从测得的天线温度反演了隐身涂层材料的的相对介电常数、相对磁导率。

The results show that MnO2 powders have a self-grown core-shell structure with diameters of 3～5 μm, the real and the imaginary part of the complex relative permittivity are 8.40～5.35 and 2.66～2.07, respectively, whereas the real and imaginary part of the complex permeability are as small as 1.04～1.14 and 0.03～0.21, respectively.

结果表明：所制得粉体是直径3～5 μm的核壳结构海胆球形MnO2，其复介电常数实部在8.40～5.35，虚部在2.66～2.07；复磁导率实部和虚部都很小，分别在1.04～1.14和0.03～0.21范围内。

The FDTD with shift operator formulations are derived based on the relative permeability tensor in magnetized ferrite and Maxwell curl equations of anisotropic media.

从磁化铁氧体的相对磁导系数张量和各向异性情形下Maxwell旋度方程出发，推导出外磁场沿任意方向情形下磁化铁氧体电磁散射的SO-FDTD迭代公式。

Having investigated composites of EP coating ultramicro iron using ATPU as surface agent, results showed that with increasing amount of ATPU, density , complex permittivity and complex permeability of composites decreased, and retentivity and coercivity increased.ε"μ"

用ATPU作表面活性剂制备核壳结构复合粒子时，随着复合时ATPU用量的增加，复合粒子的密度、复介电常数和复磁导率逐渐减小，剩磁与矫顽力逐渐增大。

In revetment engineering, turf is an effectual scour protection upper layer against exterior flow field for river bank that has low permeability.

在护岸工程中，草皮作为低渗透性河渠中抵御外部流场的表面防冲层十分有效。

In defining the space function, the deliberate integration of the living and dining rooms, breaking the rigid structure of space, so that resulted in an extension of a sense of space, while the dining room and the kitchen wall between the use of a large area of glass, this design increases the small space of the pass permeability.

在界定空间机能时，特意将客厅与餐厅融合，打破了空间僵化格局，使空间产生了延伸感，而餐厅与厨房间的隔墙运用了大面积的玻璃，这种设计增加了小空间的通透。

Because of Robeson upper limitation, the commercially available polymeric membranes often have either high permeability or high selectivity, but not two together.

普通高分子膜因受Robeson上限的限制，往往很难同时满足高渗透系数和高选择的要求，而促进传递膜却可以突破这一限制。

In order to investigate the permeability of rock salt systematically,various viewpoints from a number of researchers have been taken into consideration.

盐岩力学特性和溶腔的稳定性研究已得到国内学者的广泛重视，而由于试验仪器精度的限制，对其渗透性的研究较少。

In order to investigate the permeability of rock salt systematically, various viewpoints from a number of researchers have been taken into consideration.

为系统地研究盐岩的渗透性，通过总结众多国内外学者的学术观点，从内因和外因两个方面对盐岩渗透性进行分析。

T3x gas reservoirs in XC gas field is the deep land-facies tight rubbishy rock gas reservoirs with the characteristic of tight, low permeability, thin inter-bed, multi-layer nappe and high heterogeneity.

XC气田T3x气藏属于深层陆相致密碎屑岩气藏，具有致密、低孔渗、薄层交互、多层叠置和强非均质性等特点。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。