搜索结果: 1-6 共查到“工学 external pressure”相关记录6条 . 查询时间(0.126 秒)
External pressure in the hardening of phosphate in tribofilm on iron surfaces
Antiwear additives Hardness External pressure Transition metals
2009/12/14
Purpose: In the present work we consider our (in progress) spectroscopy study of zinc and iron phosphates under the influence external high pressure to determine zinc ion change coordination from tetr...
The Dynamic Stability of a Laminated Orthotropic Truncated Conical Shell Under Time Dependent External Pressure
Cross-ply laminated shell orthotropic conical shell external pressure dynamic stability
2009/10/13
In this study, the dynamic stability of a laminated orthotropic truncated conical shell, subjected to an external pressure which is a power function of time, was considered. First, the modified Donnel...
Dynamic Stability of a Non-Homogeneous Elastic Conical Shell Under External Pressure Varying as a Time Dependent Power Function
Conical Shell dynamic stability non-homogeneous critical load dynamic factor
2009/10/13
The dynamic stability of a non-homogeneous elastic conical shell under a time dependent uniform external pressure varying as a power function is investigated in this study. Dynamic stability and displ...
The Stability of Non-Homogeneous Elastic Cylindrical thin Shells with Variable Thickness Under a Dynamic External Pressure
Cylindrical thin shells of variable thickness Non-homogeneity Dynamic external pressure
2009/10/13
The stability of elastic cylindrical thin shells of variable thickness along the directrix and of elastic properties varying continuously depending on the thickness coordinates, subject to a uniform e...
Flexibility of Freight Transport Sectors An Exploration of Carriers’ Responses to External Pressure on Prices and Service
Freight Transport Sectors Carriers’ Responses External Pressure Prices Service
2009/9/28
In this paper, we explore how government policies in the field of transport may affect future freight rates, transit times, and delivery reliability. In particular, attention is paid to the ‘absorptiv...
General Buckling Strength of Ring-Stiffened Cylindrical Shells under External Pressure and Effective Breadth of Ring-Stiffeners
External Pressure Effective Breadth
2009/3/30
Recently, we usually use the numerical method to calculate the buckling strength of plate and shell structure.