| 1. | Measuring the relative dielectric constant of dupont 100hn and 100cr polyimide film under optical frequency 两种聚酰亚胺薄膜光频相对介电常数的测定 |
| 2. | Test method for relative permittivity dielectric constant and dissipation factor of polymer - based microwave circuit substrates 塑料基微波电路底板的相对介电常数 |
| 3. | 10 . 01 test methods for relative permitivity and dissipation factor of expanded cellular plastics used for electrical insulation 电绝缘用发泡泡末塑料的相对介电常数和损耗因数的试验方法 |
| 4. | Measurement of relative permittivity , dielectric dissipation factor at power frequency and volume resistivity of insulating liquids 液体绝缘材料工频相对介电常数介质损耗因数和体积电阻率的测量 |
| 5. | The more common electrical properties include : 1 ) electrical resistivity and conductivity , and 2 ) the relative dielectric constant , which relates the accumulated charge across and insulator to the electric field 常见的电学性能包括: ( 1 )电阻率和电导率,和( 2 )相对介电常数,即积累电荷和绝缘体向电场之间的关系。 |
| 6. | This paper not only has studied asymmetric cpw ' s , but also fabricated firstly an asymmetric cpw with conductor backing in china . its relative dielectric constant is 9 . 9 . the characteristic impedance of these asymmetric cpw ' s is measured 本论文不但在理论上对多种非对称共面波导进行了研究,而且制作了国内第一个具有金属底板支撑的(相对介电常数为9 |
| 7. | The dielectric properties of bst thin film were measured at room temperature and liquid nitrogen temperature with the parallel - plate capacitor structure . the dielectric constant and loss tangent were 1200 and 0 . 0045 respectively at 1mhz , and 77k 77k时,薄膜的相对介电常数‘和最大介电损粮御心沁分别为1200和0 .恻5 ;外加直流偏厂巨30v , bst薄膜的介电可调性能为60 % ;性能因数k值达到133 。 |
| 8. | Second , when cfrc specimen is compressed , its capacity will change with the change of pressure , mostly because the relative dielectric constant changes with the change of pressure , so the compression sensibility of cfrc can also be reflected by capacity measurement , and the change of capacity with stress - strain is sensitive , and the data of measurement are stable Cfrc在受压时其电容会随压力的变化而变化,主要是因为cfrc的相对介电常数随压力的变化而变化,所以通过电容的测量同样可以反映cfrc的压敏性,而且电容随应力、应变的变化灵敏,测试数据稳定。 |