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- half beam model 半段梁模型
- Using normal one beam model, an analytical formula of normal photoelectron diffraction (NPD) I-V curves is derived. 利用垂直单电子束(0,0,束)模型推导了光电子衍射I-V曲线的解析公式。
- The equivalent beam model can reflect the nonlinear characteristics of compressing stiffness with change of loads acting on the damaged mem... 准确地反映了损伤所引起的弯曲与轴向耦合刚度的变化。
- A simply-supported beam model was taken as the numerical analysis exemplification to demonstrate the effect of this damage identification method. 通过一简支梁模型的数值算例,验证了该损伤识别方法的有效性。
- By introducing damage factor into the model of elastic base beam, the non-elastic base beam model based on damage constitutive relation is proposed. 在弹性基础梁模型的基础上,通过引入一损伤因子,提出一类基于损伤本构的基础梁模型,并在一定条件下对该模型进行了求解和对比分析。
- Inclined combined beam model with roof bolted are presented and solved,the expressions of support parameters of bolt are derived. 建立大倾角煤层回采巷道锚杆支护的倾斜组合梁模型,并进行解算,给出锚杆支护参数的表达式。
- Research methods: Establish double layer continuous viscoelastic beam model of floating slab track structure,the(vibration) respon. 浮置板轨道系统具有良好的减振性能,因而在工程中获得了广泛的应用。
- Based on the beam model of finite element method and with applied mathematical theory of statistics,a vibrational test method for identification of bridge damage is discussed. 基于有限元的梁模型,并且运用数理统计原理,探讨了桥梁损伤的一种振动检测方法,推导了相关的公式。
- The parameterized flexible-body dynamics model was established by adopting the discrete beam model to simulate the flexibility of robot and by bushing model to simulate the flexibility of robots joint. 来用离散梁模型来仿真机器人的柔性,轴套模型来仿真机器人关节的柔性,建立了参数化的柔体动力学模型。
- Using the continuous elastic double layers beam model of track structure,the forces between the sleepers and the tunnel inlay produced by the running of certain subway train were calculated. 采用施加在轨道上的一系列移动轴荷载模拟列车作用,利用轨道结构连续弹性双层梁模型,计算出某城市地铁列车运行产生的轨枕与隧道之间的作用力。
- I apportioned half the property to each of them. 我把财产的一半分配给他们各人。
- Therefore,We suggest that it is prob- ably an effective method for testing beam models to seek for some x-ray radia- tions of the complex sources. 因此,我们提出对某些复杂源进行 X 射线探测可能是检验束流模型的一种有效方法。
- She reckoned she had cut her cost by half. 她估计她减少了一半的费用。
- I worried half the night and have a fitful sleep. 我半个晚上都一直在担心,故而时醒时睡。
- He can fling off a poem in half an hour. 他可以在半小时之内草就一首诗。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- It took him half an hour to finish the work. 他花了半个小时做完这项工作。
- I usually go to bed at half past ten. 我通常十点半睡觉。
- Keywords IMRT;algorithm;pencil beam model; 调强放疗;算法;笔形束;
- Half the fruit crop froze out in the sudden cold. 一半的水果作物在突如其来的寒流中被冻死。