查询词典 gypsum

After analyzing creep properties comprehensively, the results are obtained that gypsum breccias have the creep properties of nonlinearity and acceleration, and confining pressure has great influence on creep.

对其蠕变特性进行了综合分析，结果表明，其蠕变具有非线性及加速蠕变特性，而且不同围压对蠕变的影响很大。

In this paper, the instantaneous deformation and failure characteristics, creep characteristics of gypsum breccias under different confining pressures and stress levels are studied by means of conventional triaxial compression tests and uniaxial and triaxial compression creep test s.

本文通过对石膏角砾岩进行不同围压下的常规三轴压缩试验，单轴以及不同围压下的三轴压缩蠕变试验，研究了石膏角砾岩的瞬时变形及破坏特征，在不同围压及应力水平下的蠕变特征等。

Based on statistical damage theory, the instantaneous damage constitutive relationship of gypsum breccias is studied. In consideration of the impact of damage threshold, a statistical damage constitutional equation is established.

在以上试验的基础上，基于统计损伤理论研究了石膏角砾岩瞬时损伤应力应变本构关系，提出统计损伤应考虑损伤门槛的影响，建立了考虑损伤门槛的统计损伤本构方程，理论计算结果与常规试验结果比较接近。

According to the test results, the nonlinear creep equation of gypsum breccias is established based on genetic creep theory, which can describe the nonlinear and accelerated cr...

根据试验结果，按遗传蠕变理论建立了石膏角砾岩的非线性蠕变方程，该方程能描述石膏角砾岩的非线性及加速蠕变特性，通过回归分析，确定了蠕变参数数值。

In this paper, the instantaneous deformation and failure characteristics, creep characteristics of gypsum breccias under different confining pressures and stress levels are studied by means of conventional triaxial compression tests and uniaxial and triaxial compression creep tests.

本文通过对石膏角砾岩进行不同围压下的常规三轴压缩试验，单轴以及不同围压下的三轴压缩蠕变试验，研究了石膏角砾岩的瞬时变形及破坏特征，在不同围压及应力水平下的蠕变特征等。

Based on the statistical damage evolution equation considering stress damage threshold and the multiple rheological model of gypsum breccias, the damage rheological constitutional model is established from hypothesis of strain equivalence. The calculated results of the model agree well with creep test results.

在Kachanov提出的一维蠕变损伤演化方程的基础上，建立了同时考虑瞬时损伤和蠕变损伤的流变本构模型，理论值与试验值基本一致，验证了提出的蠕变损伤演化方程是正确的，所建的损伤流变模型能够较好地描述石膏角砾岩的加速蠕变阶段。

The good agreement of theoretical data with test data shows that the creep damage evolution equation put forward is rational and the damage rheological constitutional model established can describe the accelerated creep stage of gypsum breccias well.

提出了&分段外推&的思想来提高神经网络模型对时间的外推性，同时，为了增加每段外推的稳定性，提出了&初次训练&的方法；以考题为例，验证了所提方法的优越性。

The stability of the goafs of Liangshi gypsum deposit is mainly influenced by the small thickness,water-absorption and low strengths of compression and shear of the upper walls of the orebodies;and by the clearages and bedding ;as well as the undergraound water activity and irregular mining.

两市镇缓倾斜石膏矿床采空区稳定性的影响因素，主要有矿体顶板硬壳——青膏层的厚度薄，易吸水软化，抗压抗剪强度低；区内局部节理发育、层理密集；地下水活动以及开采不规范等。

The article prepared the composite cement which is composed of phosphoaluminate-portland clinkers, gypsum and additive.

以磷铝酸盐水泥和硅酸盐水泥熟料为原料，并掺入石膏和外加剂，磨制复合水泥。

The wax tree with crankcases is put into a vessel with a slurry of special gypsum.

蜡树与曲轴箱是把一艘船与水泥浆特别石膏。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。