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Abstract: Based on the survey of joint and fissure,apply computer simulating technology,rock fracture mechanics and blasting theory to the simulation and forecast for the jointed structure distribution of original rackmass.
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文摘:应用计算机模拟技术和岩石断裂力学及爆破理论，在岩体节理裂隙实测的基础上，模拟预测了深部岩体节理裂隙的分布状态. |
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Abstract: Based on the synthetical data from the remote images,geological section,geomorphologic landscape,ancient water system evolution and surface feature spectrum etc,the study indicates that there is an undersand lake in the northern peripberal belt
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文摘:根据地球卫星遥感影象、地物波谱测定以及地貌景观、古水系演化和地面地质调查等资料的综合研究表明，柴达木盆地察尔汗盐湖矿区北部外围地带存在一种新的成因类型的盐湖——沙下盐湖。 |
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Abstract: Based on the test and analysis of 12 short restrained reinforced concrete columns with intermediate longitudinal bars,an analysis model is established to calculate the shear bearing capacities of the short columns subjected to axial load, bendin
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文摘:根据12根配有中间筋的钢筋混凝土约束短柱试验与分析，建立了弯、剪、压复合应力状态下构件受力分析的力学模型，由此导出了考虑中间筋作用的构件抗剪承载力计算公式。 |
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Abstract: Based on the test result on treating soft roadbed in Handan, the paper studies the engineering character of this soft roadbed and discusses its treatment methods.
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文摘:通过对邯郸市某段软土路基处理的试验成果分析，研究了邯郸市软土路基的工程性能，并对其处理方法进行了探讨。 |
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Abstract: Based on the theory of analogy of structural mechanics and optimal control, the optimal induced norm γ-2 of state feedback H∞ control is shown to be the fundamental Rayleigh quotient eigenvalue in structural vibration or Euler stability problems
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文摘:根据结构力学与最优控制的模拟理论，指出状态反馈H∞控制黎卡提方程中的最优参数γ－2，实质上就是结构振动或稳定理论中的瑞利商最小本征值。 |
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Abstract: Based on the theory of the structure dynamics,with the limited element SAP5 programm as the calculating way,a calculatingway of the dynamics intenisity of the sieves lateral plate is put forward and the reason why this kind of oscillating sieve
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文摘:以结构力学理论为依据，以有限元SAP5程序为计算手段，提出了一种直线振动筛侧板的动力学强度的计算方法，并分析了这类振动筛在侧板上产生裂纹的原因. |
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Abstract: Based on the theory of thermoviscoelaticity of relation [1]and creep[2] constitutive equations under non-constant temperature, the conversion relation between relaxation and creep under non-constant temperature states is developed ,and a example
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文摘:基于变温粘弹性松弛型[1]和蠕变型[2]本构理论,给出了变温过程中材料的松弛与蠕变模变量的转换方法和转换实例. |
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Abstract: Based on the toughing,comfort and so on,the raw material,weave construction of protective fabrics are choosed,and some kind of fabrics with different weave construction and density were designed.The experiments show that the fabrics designed wer
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文摘:从防护服的功能性、耐穿耐用、舒适性等因素出发选择防护服织物的原材料、织物组织结构等,开发研制了几种不同组织、不同密度的阻燃防热防护服织物.通过性能测试,并与目前作为防护服用棉帆布相比较得知,所开发的织物各项性能较优良. |
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Abstract: Based on the turbulent flow kinetics theory the paper describes astudy on two-region flocculation model, the turbulent region is the dominant effect of fiocculation speed, the transition region is the dominant effect of scale and compactness of
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文摘:应用紊流动力学原理，分析紊流条件下两区絮凝模型，提出紊流区主导絮凝速率，过渡区主导絮凝体的成长尺度及密实度，导出了有效能耗的量级及絮凝控制指标。 |
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Abstract: Based on the wave equation, this paper describes the underwater acoustic propagation by a wave guide model,and computes the model.
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文摘:通过求解波动方程建立了水声在波导中传播的模型并进行了仿真计算。 |
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Abstract: Based on two order approximation of the variation of refraction index produced by self-action while optical pulses are traveling in Kerr-medium,the propagation equation has been solved.Furthermore,the strict analytical expressions of the amplitu
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文摘:将光脉冲在克尔介质中自作用产生的折射率变化作二阶近似，求解所得到的传播方程，得到啁啾高斯脉冲幅度，脉冲宽度和周啾参数随传播距离变化的严格解析解，讨论了基模高斯脉冲孤波传播的条件。 |
