剩余极化强度,remanent polarization
1)remanent polarization剩余极化强度
1.Normally,the varying of theremanent polarization of the ferroelectric ceramics when temperature changes can be reflected on the pyroelectric current measurement of the ferroelectric ceramics.通常情况利用铁电体陶瓷的热释电效应,通过测量其加热过程中产生的热释电流,可以较为准确地反映出铁电体陶瓷剩余极化强度Pr随温度的变化。
2.The results show that theremanent polarization (Pr) is significantly enhanced,the coercive field strength (Ec) is decreased to a certain extent, and the average grain size is decreased to 1～2 μm for BTN ceramics with appropriate amounts of Nb-doping.结果表明,适量的Nb掺杂可显著提高材料的剩余极化强度Pr,一定程度上降低矫顽场强Ec,并减小BTN陶瓷的平均晶粒尺寸(1～2μm)。
2)remnant polarization剩余极化强度
1.Theremnant polarization of LaAlO3-BaTiO3 superlattices with LaAlO3 cap layer is 40 times larger than that of the superlattices with no cap l.电学性能测试证明LaAlO3顶层结构的存在极大地改善了超晶格薄膜的电学性能,使其剩余极化强度增加了40多倍。
2.Theremnant polarization value decreased from 32 699 μC/cm 2 to 26 316 μC/cm 2, the coercive field was basically constant at 38 396 kV/cm, .发现在激光未烧熔薄膜的能量密度下 ,经过激光作用后 ,PZT薄膜的铁电性能发生变化 :在外加电压为 6V时 ,剩余极化强度值Pr 从 32 6 99μC/cm2 变到 2 6 316 μC/cm2 ;矫顽电场保持为 38 396kV/cm不变 ;疲劳性能变稳定 ,在循环 1 75× 10 9次时 Pr 衰变率由 4 4 3%变为 34 7%。
3.18%,the highestremnant polarization P,and coercive field Ec were 8.发现在1150℃进行烧结,样品晶粒发育较完全,晶粒α轴取向较大,铁电性能优良,剩余极化强度Pr=8。
3)remanent polarization剩余磁极化强度
4)residual ultimate strength剩余极限强度
1.Analysis of influence parameter and susceptibility forresidual ultimate strength of damaged ships;破损船体剩余极限强度的影响参数与敏感度分析
2.Considering the asymmetry cross section of damaged hull girder and the different inclination conditions after grounding and collision,based on the Common Structural Rules for bulk carriers by IACS,this paper proposes the progressive collapse method to analyze theresidual ultimate strength when the damaged ship is on several accidental situations.根据IACS共同规范(CSR),采用逐步破坏分析法计算船体梁在不同破损情况下的剩余极限强度,同时编制了计算程序。
英文短句/例句
1.The Methodology and Analysis of Computing the Ultimate Strength of Hull and Damaged Hull;船体极限强度及受损船体剩余极限强度分析
2.Residual Ultimate Strength Analyses of Cracked Ship Structures;具有裂纹损伤的船舶结构剩余极限强度分析
3.Residual Ultimate Strength Analyses of Cracked Ship Structures含裂纹损伤船舶结构的剩余极限强度分析
4.Ultimate strength analysis of central through-thickness cracked plate under complex load中心穿透裂纹板在复杂载荷作用下的剩余极限强度分析
5.Research on Ultimate Strength of Ship Hulls and Residual Strength of Damaged Ships;船体结构极限强度及破损剩余强度的研究
6.Analysis of Ultimate Strength and Residual Strength for Oil Tankers;油船完整极限强度及破损剩余强度研究
7.Research on Ultimate Strength of Bulk Carriers and Residual Strength of Damaged Ships;散货船完整极限强度及破损剩余强度的研究
8.Finite Element Simulation and Analysis of Residue Strength and Residue Life for Corroded Pipelines油气管道剩余强度有限元模拟分析及剩余寿命预测
9.Research on Remaining Strength and Life Assessment Methods of the City Gas Pipeline;城市燃气管道剩余强度和剩余寿命评价
10.Reliability Analysis for Residual Strength of Corroded Oil and Gas Piping油气腐蚀管道剩余强度的可靠度分析
11.Low intensity ultrasonic treatment to enhance aerobic digestion of excess sludge低强度超声场促进剩余污泥好氧消化
12.The Remaining Strength Assessment of Pipeline Containing 360°Cir- cumferential Surface Crack,含360°表面裂纹管道剩余强度评价
13.Experimental and Theoretical Research on Residual Strength of Concrete under Fatigue Loading;混凝土疲劳剩余强度试验及理论研究
14.The Study on the Loads and Residual Strength of a Damage Ship;船舶破损后载荷和剩余强度分析研究
15.Experimental and Theoretical Research on Residual Strength of RPC under Fatigue LoadingRPC疲劳后剩余强度试验及理论研究
16.RESEARCH ON A RESIDUAL STRENGTH ESTIMATION METHOD OF METAL THIN WALL STRUCTURES金属薄壁结构剩余强度估算方法研究
17.Research on the residual strength of damaged ring-stiffened cylindrical shell环肋圆柱壳受损伤后的剩余强度探讨
18.Predicting Residual Strength of LC4 Aluminium Alloy Structure by Pre-corroded TestLC4铝合金结构腐蚀损伤剩余强度预测
相关短句/例句
remnant polarization剩余极化强度
1.Theremnant polarization of LaAlO3-BaTiO3 superlattices with LaAlO3 cap layer is 40 times larger than that of the superlattices with no cap l.电学性能测试证明LaAlO3顶层结构的存在极大地改善了超晶格薄膜的电学性能,使其剩余极化强度增加了40多倍。
2.Theremnant polarization value decreased from 32 699 μC/cm 2 to 26 316 μC/cm 2, the coercive field was basically constant at 38 396 kV/cm, .发现在激光未烧熔薄膜的能量密度下 ,经过激光作用后 ,PZT薄膜的铁电性能发生变化 :在外加电压为 6V时 ,剩余极化强度值Pr 从 32 6 99μC/cm2 变到 2 6 316 μC/cm2 ;矫顽电场保持为 38 396kV/cm不变 ;疲劳性能变稳定 ,在循环 1 75× 10 9次时 Pr 衰变率由 4 4 3%变为 34 7%。
3.18%,the highestremnant polarization P,and coercive field Ec were 8.发现在1150℃进行烧结,样品晶粒发育较完全,晶粒α轴取向较大,铁电性能优良,剩余极化强度Pr=8。
3)remanent polarization剩余磁极化强度
4)residual ultimate strength剩余极限强度
1.Analysis of influence parameter and susceptibility forresidual ultimate strength of damaged ships;破损船体剩余极限强度的影响参数与敏感度分析
2.Considering the asymmetry cross section of damaged hull girder and the different inclination conditions after grounding and collision,based on the Common Structural Rules for bulk carriers by IACS,this paper proposes the progressive collapse method to analyze theresidual ultimate strength when the damaged ship is on several accidental situations.根据IACS共同规范(CSR),采用逐步破坏分析法计算船体梁在不同破损情况下的剩余极限强度,同时编制了计算程序。
5)ultimate residual stiffness极限剩余强度
1.Safety evaluation to casing was made through the formula,residual stiffness andultimate residual stiffness.针对热采井中套管接头螺纹发生漏失和滑脱现象,采用有限元数值模拟,得到井筒的温度场分布,将温度场导入到应力场中计算套管残余拉应力与吞吐周期的变化规律,并进行曲线拟合,建立了适合于蒸汽吞吐过程中套管残余应力评估的关系式;结合套管的剩余强度和极限剩余强度对套管进行了安全评价。
6)residual magnetization剩余磁化强度
1.With modern multiple stratigraphic classification as the theoretical basis, the density, susceptibility andresidual magnetization of regional lithostratigraphic formations as the research objects , and the Fisher grouping for maximum homogeneity as the mathematical means, the authors defined and determined physical stratigraphic boundaries of the stratigraphic column in Hebei Province.以现代地层学多重划分为理论依据,以岩石地层单元组的密度、磁化率、剩余磁化强度及厚度加权算术平均值等物性参数为研究对象,以有序地质量最优分割方法为数学手段,进行河北省全区综合地层柱物理地层界线的厘定,并对其地质意义进行了初步讨论。
延伸阅读
剩余极化强度分子式：CAS号：性质：铁电体经极化处理后，当撤除外电场后，其极化强度并不为零而是保持一有限值，称为剩余极化强度，常用Pr表示。表明已经定向排列的电畴在没有足够的反向电场输入附加能量，就无法回到其原来所处的随机状态。压电陶瓷因具有剩余极化才成为具有实用价值的压电元器件。
