查询词典 modulus

Firstly,surd or sonant judgment with each voice frame is done,then the multi-scale wavelet analysis is done only on the sonant frames to get pitches.In order to get accurate pitches,the intervals of local modulus maxima of dyadic wavelet coefficients are corrected according to amplitude information and appearance probability information.

针对这一问题，提出一种基于小波变换的基音周期提取改进算法，将TEO算子与二进小波变换结合起来，首先进行清浊判定，然后只对浊音帧采取多尺度小波分析提取周期，提出用幅度信息和出现概率信息校正二进小波模极大值间距，从而得到准确的周期。

The flexural strength of this spicule is 394.34GPa, the flexural modulus increases with the growth direction of rounds.

这种骨针的弯曲强度为394.34GPa，弯曲模量随生长环带由中心向外逐渐增大；截面硬度为2.933GPa，截面杨氏模量为33.308GPa。

Based on the matrix strength stochastic distribution theory and the fiber failure stochastic distribution theory, the stress-strain behavior and the tangent tensile modulus are obtained for unidirectional composite (0$^\circ$ ply).

基于基体随机开裂、纤维随机断裂分布理论，得到正交铺层结构的应力-应变关系；基于体积平均方法，将纤维束波动部分进行分割，引入强度分析模型，得到纤维束波动部分的应力-应变关系。

In this paper, parameters to evaluate the dynamic mechanical property of oil well cement stone are determined to be elasticity modulus aod crashing absorption energy.

确定了水泥石的动态力学性能评价参数为水泥石的弹性模量和水泥石的破碎吸收能。

According to the concept of strain energy of cracked materials, the orientation tensor of crack was defined. Considering the crack-closing and friction between crack surface under compression, The damage tensor, damage strain and effective elastic modulus were formulated. A method for discrete description of damage mechanism was given, and the evolution equation of discrete orientation density of crack was obtained. The relationship of micromechanism and the macro-representation of concrete failure were studied.

从含裂纹材料的变形能出发，引出了裂纹的方位张量；在考虑裂纹受压闭合与滑动摩擦的基础上，给出了损伤张量、损伤应变和有效弹性系数的表达式，在损伤机构离散化方法的基础上，给出了方位密度的演化方程；将上述损伤理论应用于混凝土的损伤分析，研究了混凝土破坏的微观机制与宏观表现的关系及Griffith准则和Mohr-Coulomb准则的相似性问题，对修正的Griffith准则进行了改进。

The elastic modulus of fiber cement was tested by triaxial strength equipment, and the stress strain diagram of fiber cement was obtained.

利用岩石力学三轴实验机对纤维水泥石试块进行弹性模量测试，得到了纤维水泥石单轴应力－应变实验图。

Material elasticity can be defined in terms of stress-strain property, and defines the Young's modulus, which is the slope of the stress-strain curve.

弹性材料可以定义上的应力应变的财产，并定义的杨氏模量，这是斜坡的应力应变曲线。

In this method, the effect of the course of the excavation to the coefficient has been taken into consideration and the coefficient can be got by the initial tangent modulus of the curve about stress-strain relationship.

而目前关于其沿深度的变化规律有多种不同的假设，水平向基床系数的取值大多凭工程经验及现场试验来确定，带有很大的随机性且缺乏足够的理论依据。

The studies are focused on the stress transfer, elastic modulus and stress-strain curve of the composite. It is shown that, in this kind of composite, the fiber aspect ratio has an optimum range.

研究主要考虑短纤维长径比的变化对复合材料的应力传递、弹性模量以及应力-应变关系曲线的影响。

Based on limiting the tensile strain at the bottom of the asphalt layer and the vertical compressive strain at the top of the subgrade, the suitability of layer thickness is checked by two criteria. One is controlling the maximum surface deflection under the design load, and the other is controlling the modulus ratio between adjacent unbound aggregate base and subbase layer.

该方法基于限制沥青层底的拉应变和路基顶面的压应变，采用两个准则来校核所设计的沥青层厚度的适宜性：一是控制设计荷载作用下的最大路表弯沉；二是控制相邻两个无结合料处治的集料层的模量比。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。