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1)  layered system
层状体系
1.
The finite element model of layered system, about aerodrome flexible pavement, was built under the dynamic plane load, and was analyzed using ANSYS software.
针对机场道丽层状体系在飞机瞬态动载作用下,建立有限元模型,并用ANSYS软件进行模拟分析,结果表明,道面破坏是由于垂直应力、水平应力和横向应力共同作用的结果,水平应力的拉压交变为主要影响因素。
2)  layer of soil
层状结构体系
3)  multilayered viscoelastic body
层状粘弹体系
4)  layered elastic system
层状弹性体系
1.
Primarily it introduces the layered elastic system theory and analyzes the analytic solution of stress and displacement when the composite pavement has been explored on the isothermal load.
课题主要以理论分析为主,采用层状弹性体系力学中的弹性半空间体地基上双层板理论及三层弹性体系理论,分析了加铺沥青面层的水泥混凝土路面在等温载荷作用下应力和位移的解析解。
5)  elastic layered system
弹性层状体系
1.
According to the theories of artificial neural networks and elastic layered system, the author discusses the fitting problem of the maximum tensile stress in the bottom of surface and base for three- layered elastic system by means of the three-layered BP neural network.
根据神经网络与弹性层状体系理论 ,采用三层BP网络研究了三层弹性层状体系的面层和基层层底最大拉应力的拟合计算问题 ,通过大量的计算和验证 ,训练好的网络精度高、速度快、适用范围广、泛化能力强 ,且易于实现 ,可应用于工程设计和验算及一般的科研工
2.
Based on “Specifications for design of highway asphalt pavement” (JTJ014-97) and the theory of neural networks, a new method to calculate the deflection of three-layer elastic layered system with a three-layer BP neural network is presented in this paper.
以《公路沥青路面设计规范》( J T J014 - 97) 为依据,根据神经网络理论,提出采用三层 B P 网络近似计算柔性路面三层弹性层状体系理论弯沉的方法。
3.
In this paper, elastic layered system theory is employed to analyze the stress between pavement and roadbed interface under axle symmetrical loading; Discussing how stress between pavement and roadbed interface is affected by Parameter of pavement structure (including every layer s thickness.
本文利用多层弹性层状体系理论,分析了路面结构在行车荷载作用下的应力。
6)  layered composite system
层状复合体系
补充资料:层状结构催化剂
分子式:
CAS号:

性质:在层状结构物中层与层之间引进有机或无机的基因,从而具有催化作用的催化剂。其优点是可通过控制层间距(如0.5~4.0nm),使反应物定向,以达到独特的反应物和产物选择性。层状结构材料可以用天然层状黏土或水滑石等改性,也可以用K2La2Ti3O10等起始层板材料分步交换制得。提高柱层状结构物的热稳定性和水热稳定性,目前还比较困难。

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