巨介电,giant dielectric
1)giant dielectric巨介电
1.Theoretical and applied significance of anomalousgiant dielectric property in CaCu3Ti4O12 materials is summarized in this paper.综述了研究CaCu_3Ti_4O_(12)材料反常巨介电特性的理论和实用意义。
2.A novel perovskite-type non-ferroelectricgiant dielectric and non-ohmic ceramics is discussed.介绍了一种新型类钙钛矿型巨介电非线性压敏陶瓷材料——CaCu3Ti4O12,概述了其在晶体结构、相结构、微观形貌、多条件下介电特性和电流-电压特性等方面的研究进展。
3.A novel perovskite-type non-ferroelectricgiant dielectric and non-ohmic ceramics,CaCu-3Ti-4O_12 is discussed.本文主要介绍了近年来一种新型类钙钛矿型非铁电巨介电非线性压敏陶瓷材料——CaCu3Ti4O12,概述了其在晶体结构、相结构、微观形貌、多条件下介电特性和I-V特性等方面的研究进展。
英文短句/例句
1.Giant Dielectric Response of CaCu_3Ti_4O_(12) Ceramics and Its ModificationCaCu_3Ti_4O_（12）陶瓷的巨介电效应及其调控
2.Preparation and Property Improvement for CaCu_3Ti_4O_(12) Giant Dielectric Constant Thin FilmCaCu_3Ti_4O_（12）巨介电薄膜的制备与性能优化
3.Properties of Giant Dielectric Constant Material CaCu_3Ti_4O_(12) Prepared in Sol-gel Way;溶胶—凝胶法制备巨介电常数材料CaCu_3Ti_4O_（12）及其性能研究
4.a select group of media influentials.一群经过挑选的媒介巨头
5.Interventional therapy of huge renal false aneurysm:a case report介入治疗肾动脉巨大假性动脉瘤1例
6.The second annual International super music festival opened last night at the CKS memorial hall.第二届国际巨星音乐节昨暗伫介石寺开幕。
7.IN THIS ARTICLE: In the Renaissance era, it was wealthy businessmen who were the patrons of the arts.本文简介：在文艺复兴时代，巨商富贾曾赞助艺术。
8.The Interventional Therapy of the Huge Lung Abscess by Implanting Catheter via the Chest Wall and Tamponading the Bronchus with Fibrin Glue;经胸壁插管、气道粘堵双路介入治疗巨大肺脓肿
9.Experimental Study of a New Endovascular Technique for Treatment of Megalosplenia and Hypersplenism;介入微创治疗巨脾—脾亢新技术的实验研究
10.Transcather Arterial Chemoembolization for Huge Primary Liver Cancer:Report of 89 Cases89例巨块型原发性肝癌介入化疗栓塞治疗体会
11.The utility of large dosage lipiodol treatment in huge primary hepatic carcinoma巨块型肝癌大剂量碘化油介入栓塞的疗效分析
12.drum ironelectric porcelain capacitor鼓形铁电瓷介质电容器
plex dielectric permittivity复电容率, 复介电常数
14.Test method for dielectric properties of dielectric crystalGB/T16822-1997介电晶体介电性能的试验方法
15.Physical and Electrical Properties of ZrO_2 Gate Dielectrics Film高介电栅介质ZrO_2薄膜的物理电学性能
16.All the while the giant generator poured out its power.巨大的发电机一刻不停地发出电力。
17.A Computer-added Measuring System for Magnetoresistance and Giant Magnetoresistance磁电阻(MR)和巨磁电阻(GMR)测试系统
18.An Intelligence Method for Giant Magneto-resistance Based DC Electronic Current Transformer巨磁电阻直流电子式电流互感器智能化方法
相关短句/例句
giant dielectric constant巨介电常数
1.CaCu3Ti4O12 ceramics withgiant dielectric constants were successfully prepared by sintering at 950-1100 ℃ for 20h and using a powder prepared by the sol-gel method and calcined at 700-900 ℃ for 6-10 h.通过溶胶-凝胶法制备CaCu3TiO12干凝胶,再经700-900℃,6-10h预烧和950-1100℃,16-20h烧结,成功制备了CaCu3Ti4O12粉体和CaCu3Ti4O12巨介电常数陶瓷材料。
2.Recently, much attention has been paid to an unusual material CaCu_3Ti_4O_(12)(CCTO) because of itsgiant dielectric constant, The current study focus on the origin of the giant dielectric, however, its little high dielectric loss limits application, how to reduc.近年来具有巨介电常数材料的CaCu_3Ti_4O_(12)(CCTO)引起了人们很大的关注,目前研究主要集中在CCTO巨介电常数的来源问题,但其较大的介电损耗限制了应用,对如何降低其介电损耗的研究很少。
3)giant dielectric respon巨介电响应
1.The solid state reaction to synthesizegiant dielectric response oxide CaCu_3 Ti_4O_(12) is studied.研究了合成CaCu_3Ti_4O_(12)巨介电响应氧化物的固相反应。
4)giant magnetoresistance巨磁电阻
1.Electrodeposition andgiant magnetoresistance of Ni_(80)Fe_(20)/Cu nanometer multilayers;电沉积Ni_(80)Fe_(20)/Cu纳米多层膜及其巨磁电阻效应
2.Spin-polarized transport andgiant magnetoresistance——a basic physical feature of spintronics;自旋输运和巨磁电阻——自旋电子学的物理基础之一
3.Influence of Ag covering layer ongiant magnetoresistance of spin valve sandwich structure;银覆盖层对自旋阀三明治结构巨磁电阻的影响
5)giant magnetoresistance(GMR)巨磁电阻
1.A brief review of giant magnetoresistance(GMR)effect is presented.评介了巨磁电阻（ＧｉａｎｔＭａｇｎｅｔｏｒｅｓｉｓｔａｎｃｅ）效应的实验观测、理论分析及其在磁存储等技术中奇迹般的应用，着重阐述了电子自旋化输运的概念。
6)colossal magnetoresistance巨磁电阻
1.18)MnO_3colossal magnetoresistance bulk materials.18)MnO_3巨磁电阻块材的内耗及弹性模量。
延伸阅读
复介电常数复介电常数complex dielectric constant倒￡“ED(t)=“(田)及cos田t+￡，，(留)凡sin山t(1)相角子，即式中:/(。卜会cos“(。)，:。(。卜会sin“(。)(2)tg占=损耗电流11_f充电电流Ic一万 (7)即在交变电场下，D(t)和E(t)的关系要用两个物理量口和了来表征。上式中，相位占和了、了都是频率的函数，且与温度和电介质结构密切相关。D(t)可分解为两个分量:一个与E同相位，另一与E有90。相位差。如将上述关系用复数表示，且令君*=Eoe，“‘，D*=Doej(“一泞)，则刀‘与E*的关系可表示为 D*(t)=‘*(臼)E*(t)(3)在式中引入复数介电常数扩=了一j已，则 二(田卜;斜一会一‘一‘(田卜j一‘。，“，静态时，。=0、占=0。即￡，，=O，式(3)可表示为D=二，(0)E，其中￡，(O)即为静态介电常数￡s。可见，g(。)是静态介电常数在交变场下的推广，e’(。)称为频率依赖的介电常数。动态时，在真空电容器中，电流虽然超前电场二/2，但由于占=0，而不产生损耗;故在具有介电常数的电容器中，单位时间、单位体积中损耗的能量评，可由E及与E同相的电流分量。扩E的乘积表示，即]。“E图1电介质中交流电场E 与电流I的矢量图部和虚部表示，而弛豫时间为 根据复介电常数定 义，由式(4)并经简化 处理后可得 ￡*(臼)=￡‘(臼)一j￡“6二一己。/。、 t田】=E。十二~一，犷一一~气己少 1一」田T 上式称为德拜公式，用 来表征复介电常数的频 率特性。如将其分成实:时，则得已=昆+65一三.l+田2r2(￡。一氛)田T1十田2丁2已，，tg口一=万，二 Q(‘s一几)田丁￡s+氛田2丁2 (9)(10)(11)W一晋DOEOS‘n“一晋“‘“一‘E’“‘g“(5，合(￡·l一(去‘一‘。210 10()四T由于了的变化不大，因而能量损耗与复介电常数的虚部已成正比。式(4)中了(动称为介质的损耗因子。式(5)中占称为介质损耗角，tg沙称为介质损耗角正切或介电耗散因子。在交流电路中，若置介质于平板电容器中，并在两极间外加交流电压VV=Voej“。.，_L一~~，卜。尸。
