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- strength theory of material 材料的强度理论
- Based on unified strength theory,Lode parameter is introduced,and unified strength parameters of material are obtained then Duncan-Chang model is revised to reflect stress-strain relationship under complicated stress state. 基于统一强度理论,将洛德参数引入统一强度理论,推导出材料的统一强度参数,进而分析中间主应力以及主剪应力系数对材料统一强度参数的影响。 在此基础上,对邓肯张双曲线模型进行改进,使得该模型能够反映复杂应力状态下的应力应变关系。
- The true triaxial pressure experiment for red sand rock is conducted for the purpose of investigation into the strength theory of rock and the effect of intermediate main stress. 为探讨岩石的强度理论和中间主应力效应,进行了红砂岩真三轴压力试验。
- The storm did a great deal of material damage. 暴风雨造成了大量物质损失。
- Strength theories are the guide lines in the design of material and structure,the development of them can bring some new thoughts and methods to the analysis and design of material and structure. 强度理论是材料和结构设计的依据和准则,它的发展会对材料和结构的分析及设计产生新的思路和方法。
- Einstein put forward his new theory of relativity. 爱因斯坦提出了相对论的新学说。
- A theoretical formula of vuggy rock compressibility is proposed based on the theory of material mechanics and elastic theory. 根据材料力学和弹性力学的有关理论,推导出了溶洞介质的压缩系数计算公式。
- Weibull, W., A Statistical Theory of the Strength of Materials, Irg. Vetenskaps Akad. Handl., Stockholm, 151, 15., 1939. 许荣庭，饱和及未饱和地下水模式结合参数推估过程应用于坡地降雨渗流之研究，国立成功大学，水利工程学系博士论文，1990。
- She made a cushion out of odd bits of material. 她用碎布头做了个靠垫。
- Einstein's theory of relativity. 爱因斯坦的相对论。
- Do you agree to the wave theory of light? 你同意光的波动理论吗？
- Survey of Fatigue Strength Theory of Turbine Rotor 汽轮机转子疲劳强度理论研究现状与展望
- A plentiful supply of material goods; wealth. 富裕物质商品的大量供应; 财富
- Study on Strength Theory of Mixed Twin Strains 混和双应变强度理论研究
- He cavalierly dismisses the theory of both Freud and Jung. 他傲慢武断地斥贬佛洛依德和杨格二人的理论。
- He put up his price to offset the increase cost of material. 他提高了售价以补偿材料成本的增加。
- Darwin put forth the theory of evolution,. 达尔文提出了进化论。
- Using some theories of material fatigue destruction, it discusses the strength decline in fatigue-strength fuzzy reliability designfor machine parts, gives a calculating model and an example. 以模糊数学为基础,应用材料疲劳损伤累积理论,讨论机械零件疲劳强度模糊可靠性设计中的强度衰减问题,并给出了估算公式,进行了实例计算。
- The strength of material is usually obtained by laboratory tests. 通常由实验室的试验得到材料的强度。
- It also describes the feeding principle of material in the system and its calculation method in association with mechanism of bulk material, theory of fluidization and pneumatic transport. 综合散料力学、流态化和气力输送理论并结合物料的性质，阐述了系统的发送理论和计算方法。为使发送更可靠，系统中还加置了旋转射流的推进装置。
