1) dynamic equivalent properties
动态有效模量
2) effective modal mass
有效模态质量
1.
The modal parameters of the printed circuit board(PCB) were calculated using finite element method,and the weaknesses of PCB were found using effective modal masses and mode shapes.
采用有限元方法对印制电路板进行了模态分析,依据有效模态质量和模态振型分析了振动环境下配制电路板的薄弱环节。
3) effective moduli
有效模量
1.
Determination of the effective moduli of composite reinforced by hollow coating spheres based on the five phase spherical model;
基于五相球模型确定含涂层空心微球复合材料的有效模量
2.
In this paper, a generalized self consistent Mori Tanaka method(GSCMT) was developed by means of integral equation technique and Hill′s interfacial operator theory, which can be used for predicting the effective moduli of a composite with ellipsoidal inclusions.
利用 Green函数及积分方程技术 ,在夹杂应变均匀的近似假定下 ,将 Hill界面条件应用于整个二相体内 ,从而得到一种可以预报任意椭球夹杂体复合材料有效模量的广义自洽 Mori- Tanaka方法。
3.
Based upon this new scheme the effective moduli of a coated inclusion based composite are obtained and can be expressed in a simple explicit form.
该文摈弃这一经典做法，而从广义自洽模型的应变等价条件出发，在夹杂应变均匀的近似假定下，将Hill界面条件应用于整个二相体内，从而得到一种可以预报涂层夹杂体复合材料有效模量的广义自治Mori-Tanaka模型。
4) effective modulus
有效模量
1.
Some formulae to predict the effective modulus of this material have been derived theoretically.
利用Mori＿Tanaka平均应力的概念和Eshelby等效夹杂的原理,研究了含涂层空心球复合泡沫塑料的弹性性质,从理论上导出了这类复合材料的有效模量预测公式· 此外,基于这些理论公式,讨论了涂层厚度和泊松比变化对复合泡沫塑料有效模量性质的影响·
2.
A theoreti-cal formula is worked out for predicting the effective modulus of these two kinds of compos-ite material.
本文提出复合材料的四相球模型来描述含涂层位于复合材料及合空心球复合材料的力学行为，得到了这两类复合材料有效模量预测的理论公式。
3.
Time dependent stresses of any section of composite concrete members may be calculated with the age adjusted effective modulus.
本文采用按龄期调整的有效模量 ,并根据静定杆件中混凝土收缩徐变引起的任一截面上的应力变化是自相平衡的这一原理 ,推导出预应力叠合构件收缩徐变微差进行分析的公式 。
5) effective dynamic range
有效测量动态范围
1.
RMS (root-mean-square) values of ground motion noises, effective dynamic ranges and noise power spectrums of 19 stations selected by "the tenth-five-year project" are calculated and analyzed.
对山西数字遥测台网"十五"勘选的19个子台台址背景噪声进行分析和计算,得出了各台址背景噪声地动速度均方根值(RMS值)、有效测量动态范围、噪声信号功率谱。
6) Available content
有效态含量
1.
The total content and the available content of heavy metals(Cu,Pb,Zn,Cr,Ni,Cd,As and Hg) in soils from main cities' suburbs of the Pearl River delta were analyzed.
分析了珠江三角洲主要城市郊区农业土壤的8种重金属Cu、Pb、Zn、Cr、Ni、Cd、As和Hg的全量和有效态含量。
2.
The state of heavy metal content of agriculture soil in Guangzhou suburbs (Haizhu District, Tianhe District, Huangpu District, Fangcun District, Baiyun District) was investigated, the total content and available content of 8 heavy metal elements (Cu, Pb, Zn, Cr, Ni, Cd, As and Hg) were analyzed and meatured.
调查了广州市郊区(海珠区、天河区、黄埔区、芳村区、白云区)农业土壤重金属的含量,分析测定了Cu、Pb、Zn、Cr、Ni、Cd、As和Hg 8种重金属元素的全量和有效态含量。
补充资料：布线动态弹性模量
分子式：
CAS号：
性质：又称布线动态弹性模量。是材料动态特性的重要指标之一。是指对帘线作正弦波应变时，其所产生的应力也按正弦函数变化。其应力由两部分组成：一部分与应变同相；另一部分与应变相差90°，取与应变同相成分为帘线的动态模量。
CAS号：
性质：又称布线动态弹性模量。是材料动态特性的重要指标之一。是指对帘线作正弦波应变时，其所产生的应力也按正弦函数变化。其应力由两部分组成：一部分与应变同相；另一部分与应变相差90°，取与应变同相成分为帘线的动态模量。
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