体积模量

用DFT计算立方氮化硼的状态方程及体积模量

DFT calculations of equation of state and bulk modulus of cubic boron nitride

研究结果表明预测翘曲问题最合适的方法是使用多层壳体元缩减切变模量和体积模量，计算出粘弹性GK。

The results indicate that viscoelastic-GK calculation with relaxation of shear modulus and of bulk modulus using the multilayer shell element is the most appropriate method for predicting the warpage .

得到了Si和Ge各个高压相的相变压力和体积模量。

The transition pressure and the bulk moduli were obtained .

大概是由于Tc以上温度的局部力矩作用，体积模量的最大值出现在较高温度。

Due perhaps to local moments above Tc , the bulk-modulus maximun occurs at a higher temperature .

本工作还给出了它们在相变前后的状态方程，以及它们的格临爱森参数γO、体积模量B＿o和B＿o的压力导数B＿o。

Their equatons of state before and after phase transition , Gruneisen parameters γ O , bulk moduli B_o and first order pressure derivatives , B '_o of B_o are also given .

计算结果表明，立方氮化硼的体积模量B0为372.8±2.2GPa~395.8±0.2GPa，GGA对B-Nsp3键的计算偏弱。

The bulk modulus of c-BN is 372.8 ± 2.2 GPa ~ 395.8 ± 0.2 GPa and B-N sp3 bond is weak when GGA calculations are employed .

Couchman-Reynolds方程的检验与体积模量及关联系数的计算

The test of COUCHMAN-REYNOLDS equation aud the calculation of bulk moduluses and of correlation coefficients

通过Murnaghan状态方程得到了体积模量和零压力下的能量，计算结果表明a-Li2Mg（NH）2为基态构型。

The bulk modules and the energies of zero pressure are obtained by using Murnaghan equation of states . The results show that the a-Li2Mg ( NH ) 2 is a ground state configuration .

利用全势线性Muffintin轨道（FP-LMTO）方法，结合在密度泛函理论框架下的广义梯度近似，研究了六角密堆积结构超导体MgB2的晶格参数，弹性常数，以及体积模量及其对压强的微分。

The lattice parameters , the bulk modulus , the pressure derivation of bulk modulus and the elastic constants of superconducting MgB_2 are calculated using the full-potential linearized muffin-tin orbital ( FP-LMTO ) scheme within the generalized gradient approximation correction ( GGA ) in the frame of density functional theory .

多孔沥青路面体积模量衰变的预测模型

Prediction model of bulk modulus reduction for porous asphalt pavement

点火增压过程中体积模量对药柱结构分析的影响

Influence of bulk modulus on grain structural analysis during ignition pressurization process

多孔介质孔隙率与体积模量的关系

Relationship between bulk modulus and porosity of porous medium

固体推进剂体积模量主曲线试验研究

An experimental study on the master curve of the bulk modulus of solid propellant

固体推进剂的体积模量与体积蠕变

Bulk modulus and bulk creep of solid propellants

肺弹性增量体积模量的实验研究

Incremental Bulk Moduli of Elasticity of the Lung

断层泥的韧度随含水量的增大而增大。断层泥的体积模量、弹性波速和抗剪强度与含水量的关系不明显。

There is no clear relationship between bulk modulus , wave velocity shear strength and water content .

通过测量纵向波和剪切波的速度，精确测定了普通的工程弹性常数，即杨氏模量、剪切模量、体积模量（可逆压缩系数）和泊松比。

By measuring velocities of longitudinal and shear waves , we determined accurately the usual engineering elastic constants .

考虑了常规三轴试验和各向同性压缩试验对切线体积模量的影响。

The different influences on tangent bulk modulus of conventional triaxial test and isotropic compression test were considered .

试验结果表明，精确公式能够很好地表达多孔介质孔隙率与体积模量之间的关系。

Experiments show that the accurate equation can express the relationship of porosity and bulk modulus of porous medium well .

利用位移和径向应力的连续性条件，导出了混凝土平面应变体积模量的闭合解。

Using the continuity conditions of displacement and radial stress , a closed-form solution of the plain strain bulk modulus of concrete was derived .

结果表明，复合钙皂和复合锂皂的分子体积模量分别大于钙皂和锂皂的分子体积模量。

The results showed that the molecular bulk moduli of complex calcium and complex lithium soaps were more than that of calcium and lithium soaps .

对于非面心立方金属，依据结合能与静压实验给出体积模量所确定的半经验冷压与冲击压缩实验存在矛盾；

There is a conflict between the shock compression experimental and the P_ ( c ) got by using binding energy and isotherm bulk modulus .

根据点火过程中压强-时间和压强-体积模量变化规律，得出了药柱体积模量随时间的变化规律。

Based on the change laws of pressure-time and pressure-bulk modulus during ignition , the chang law of bulk modulus of grain with time was obtained .

在吸收衰减的数值模拟中还需要孔隙度随深度的变化曲线作为输入，而这里的孔隙度随深度变化曲线采用了前期研究的结果即体积模量模型。

In the numerical simulation of the absorption and attenuation the curve of the porosity as a function of depth derives from reported volume modulus model .

发现花岗岩残积土具有剪缩特性，回弹体积模量随偏应力增大而显著提高；

The research results reveal that the residual soil of granite presents contraction under shear and its bulk modulus of resilience increases significantly with deviator stress rising .

胞壁弯曲和胞壁缺省对多胞固体产生极大影响，多胞材料的体积模量、剪切模量和弹性模量随胞壁弯曲程度、胞壁缺省的增加显著下降。

The results show that the bulk modulus , shear modulus and elastic modulus decrease remarkably with the increasing degree of wavy and the missing of cell wall .

利用密度与体积模量以及密度与横波速度的交会图分析可以进行文西地区气藏预测和含气丰度预测。

The gas pool prediction and gas bearing abundance prediction can be carried out through the cross plots of density and bulk modulus with density and shear velocity .

由于求取岩石骨架（孔隙中不含流体）的体积模量的办法不同，因而计算油气层速度有不同的方法。

We have different methods for calculating reservoir velocity because there are different ways to calculate bulk modulus of matrix ( There is no liquid in the pores ) .

结果表明，密度和体积模量对气层敏感，含气砂岩具有低密度、低体积模量的特征。

The result shows that the density and bulk modulus are sensitive to gas bearing formation and the gas bearing sandstone is characterized by low density and bulk modulus .

对断层的五个分支的16种样品进行了测定，得到了以下的力学量的平均值：体积模量为6.09×10~4巴；

After measuring sixteen samples taken from five branchs of the fault , the following average mechanical quantities were obtained : the bulk modulus is 6.09 × 10 ~ 4bars ;