1) elastic mode
弹性模态
1.
By introducing two-frequency Bode diagram,the stability of elastic mode for a rotor is analyzed to obtain the correction angle requirements of bending mode at various rotor speeds,and NF parameters including the grade,center frequency and the pole damping are designed optimally to minimize influence on nutation stability.
提出一种基于双频Bode图的陷波器(NF)参数设计方法,采用双频Bode图分析转子弹性模态稳定性,得出不同转子转速下对NF相位校正角的要求,然后在保证转子章动稳定性的前提下优化设计NF参数。
2) dynamic elastic modulus
动态弹性模量
1.
The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained.
介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据,并通过有限元模拟与试验验证了其可行性。
2.
This testing method is used to check the dynamic elastic modulus of cured LPA/UP to establish the dependency relation between modulus and bending strength and carry out the regression analysis and this method can therefore be .
本文研究用声频振动法测定含低收缩添加剂(LPA)与不饱和聚酯树脂(UP)固化后的动态弹性模量,试验建立动弹模量与弯曲强度的相关关系,并对其进行数学回归分析。
3.
During austenization, higher strength is associated with higher dynamic elastic modulus.
由共振频率转换成动态弹性模量表示出这种关系可以用来预报球墨铸铁不同热处理条件下的机械性能。
3) Dynamic modulus of elasticity
动态弹性模量
1.
Secondly, the space analysis model for dynamic modulus of elasticity of concrete was set up, and a series of theories analysis and calculations to the model were performed.
本文的工作主要分为两部分,首先提出了混凝土多边形骨料的数值模拟方法,然后为了研究混凝土的动态弹性模量建立了空间分析模型,并对模型进行了一系列理论分析和计算。
4) Rubber elastic modulus
橡胶态弹性模量
5) dynamic moduli of elasticity
动态弹性模量
1.
A theoretical model is proposed for the change of first four order modal and no modal dynamic moduli of elasticity of a concrete cantilever with block and for gypsum cantilevers to three different scales with and without block.
对混凝土加质量块悬臂梁结构、三种不同比尺的纯悬臂梁及加质量块的石膏悬臂梁结构做了振动实验,根据材料前四阶的振型动态弹性模量和非振型动弹模( 包括从材料的静弹模到一阶振型动弹模以及在各阶共振频率之间的非振型动弹模) 随频率变化的结果,建立理论模型。
6) structural mode control
弹性模态控制
补充资料:特定态非弹性散射截面
分子式:
CAS号:
性质:非弹性散射前后,分子内部运动状态发生变化,即分子传能。若以T,R,V,E分别代表平动能、转动能、振动能、电子能,则传能方式有T-R,R-R,T-V,R-V,V-V,T-E,R-E,V-E,E-E。T-T 即弹性散射。由于R,V,E由内部量子态所决定,故非弹性散射指特定态-态间传能。若i、j表示始态和终态,Jsc,和Iinc为散射流和入射流密度,则非弹性散射截面σij=Isc/Iinc。i=j时为弹性散射。
CAS号:
性质:非弹性散射前后,分子内部运动状态发生变化,即分子传能。若以T,R,V,E分别代表平动能、转动能、振动能、电子能,则传能方式有T-R,R-R,T-V,R-V,V-V,T-E,R-E,V-E,E-E。T-T 即弹性散射。由于R,V,E由内部量子态所决定,故非弹性散射指特定态-态间传能。若i、j表示始态和终态,Jsc,和Iinc为散射流和入射流密度,则非弹性散射截面σij=Isc/Iinc。i=j时为弹性散射。
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