| 1. | A comparison of termination rate constants and dielectric relaxation frequencies, both measured in dilute solution, is reported in tables 5. 1 and 5. 2 . 终止速度常数和介电松弛频率度对比示于表51和表52中,二者都是在稀溶液中测得的。 |
| 2. | Dielectric relaxation time 介电弛豫时间 |
| 3. | A comparison of termination rate constants and dielectric relaxation frequencies , both measured in dilute solution , is reported in tables 5 . 1 and 5 . 2 终止速度常数和介电松弛频率度对比示于表5 1和表5 2中,二者都是在稀溶液中测得的。 |
| 4. | Zhen chen , kong - shuang zhao , dielectric relaxation spectroscopy of macroporous ier beads suspensions dispersed in primary alcohols and water ? ethanol mixtures , colloids and surfaces a , 2006 ( in press , available online ) 智霞,陈震,赵孔双,李国明,何广平,壳聚糖微球悬浊液的介电谱研究:弛豫机制的解释和内部信息的获得,化学学报, 2006 , 64 : 709 - 715 |
| 5. | High leakage currents and low - frequency dielectric relaxation were found in as - deposited capacitors after they had been post - annealed in nitrogen at 550 and subsequently annealed in oxygen at 350 . the mechanism of this phenomenon was discussed 经过高温550氮气退火处理后,再放入350的氧气中退火,发现其介电特性出现了非常明显的低频弛豫现象,并且伴随着漏电特征的恶化。 |
| 6. | By means of the calorimetric experimental results and the temperature dependence of heat capacity differences , four kinds of temperature dependences of configurational entropy , dielectric relaxation index and cooperatively rearranging region are studied , on the basis of configurational entropy theory on cooperatively rearranging region in disordered amorphous materials by the methods of the relationship between configurational entropy and heat capacity difference , and the equation of relaxation time with activated energy barriers 摘要基于无序非晶材料“关联重排区域”的构型熵理论,运用构型熵与热容量差的关系式、弛豫时间与活化势垒的基本公式,及聚合物量热学的实验结果和热容量差与温度的基本关系,研究了4种情况下构型熵、介电弛豫指数和关联重排区域大小的温度变化关系。 |
| 7. | To date a detailed theory has not been developed for the electrical response of the shock depolarization of ferroelectric ceramics due to the complicated electric - dynamics nature of the process . taking account of the dielectric relaxation , finite resistance and the shock wave traveling effects , a new physical model of pzt95 / 5 subjected to depolarizing shock wave was suggested 我们首先从理论上分析了pzt95 5铁电陶瓷冲击去极化的物理过程,引入了介电松弛概念,考虑了冲击波传输的影响,建立了pzt95 5铁电陶瓷在冲击波加载下去极化的机制和数学模型。 |
| 8. | 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 。 |