以下为句子列表:
英文: It is shown that good performance on millimeter-wave and centimeter-wave can be achieved respectively by electric loss and magnetic loss, then through improving the impedance matching between layers compatible absorbability will be obtained on the whole b
中文: 理论分析和实验结果表明,先分别以电损耗和磁损耗为主,采用单层结构分别对毫米波和厘米波实现较好的吸收,然后以厘米波吸收层作为内层,以毫米波吸收层作为外层,并进一步改善内外层之间的阻抗匹配,利用两层结构可以对毫米波和厘米波实现较好的兼容吸收。
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英文: Quartz fibre strengthen Bis maleimide BMI composite material have low to dielectric loss angle, able to bear high temperature, damp and hot, good mechanics performance.
中文: 摘要石英纤维增强双马来酰亚胺树脂复合材料具有低介电损耗、耐高温、耐湿热及良好的力学性能。
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英文: The results showed the compound belonged to tetragonal tungsten bronze structure with space group P4bm and unit cell parameters a = 1. 25020(3)nm, c = 0. 39704(2)nm and the dielectric constant and the dielectric loss were 644 and 0. 003 (at 25℃ and 1kHz).
中文: 结果表明Ba_5BiTi_3Nb_7O_(30)晶体属于四方钨青铜结构,空间群P4bm,晶胞参数a=1.25020(3)nm,c=0.39704(2)nm; 介电常数ε_r为644,介电损耗tanδ为0.3%(1kHz,25℃)。
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