1) ultimate residual stiffness
极限剩余强度
1.
Safety evaluation to casing was made through the formula,residual stiffness and ultimate 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。
2) residual ultimate strength
剩余极限强度
1.
Analysis of influence parameter and susceptibility for residual 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 the residual 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。
3) remanent polarization
剩余极化强度
1.
Normally,the varying of the remanent 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 the remanent 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)。
4) remnant polarization
剩余极化强度
1.
The remnant 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.
The remnant 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 highest remnant 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。
5) remanent polarization
剩余磁极化强度
6) remaining strength
剩余强度
1.
Assessment method for remaining strength of corroded pipeline and its application;
腐蚀管道剩余强度评价方法及其应用
2.
Theory foundation for remaining strength assessment methodology is presented and assessing formula for relative assessment methodology is educed based on individual basic assumption.
建议在单一荷载和简单缺陷形状下,按B31G进行管道的剩余强度评价。
3.
API 579 and F101 are two kinds of common codes in computing the remaining strength of corrosion pipeline for local metal loss.
对API 579和F101这2种目前常用的腐蚀管道剩余强度评定规范中的一些相似点进行了比较,并通过实例说明了各自的优、缺点。
补充资料：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。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条