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1.Abstract: The crystal structures obtained by static solidification and vibration solidification were compared.It was showed that,in the case of vibration solidification,the orientation growth of the columnar crystal was not obvious,the equiaxial crystal appeared more early.The grains of both types of crystals were quite fine,hardness in the full section was relatively high,and the hardness distribution was uniform.In the former case,the solute segregation in dendritical austenite more severe,and there were lumps of distortion inclusion.
文摘:对球铁金属型静凝固与振动凝固的结晶组织对比表明：后者柱状晶方向性生长较弱，等轴晶出现较早，且两者的晶粒均较细，全断面硬度较高且分布均匀；前者枝晶奥氏体内溶质偏析大，有畸变夹杂团块。收藏指正
2.The fatigue analysis method includes static or quasi-static fatigue, dynamic fatigue and vibration fatigue analysis method.
摘要有限元疲劳分析法通常包括：静态（或准静态）疲劳分析法、瞬态疲劳分析法和振动疲劳分析法。收藏指正
3.The power spectrum exponent analysis indicates that there are three differ- ent intervals where the static water heights have the effect on vibration energy. They are as follows:0.35～0.69,0.69～1.30,1.30～1.69.The highest vibration energy is appeared in the second interval.
信号的功率谱指数分析表明,静态液位对振动能量的影响存在于3个区间,分别为0．35～0．69、0．69～1．30和1．30～1．69,其中以区间0．69～1．30的能量最大。收藏指正
4.Static jacked precast piles have many advantages, such as no vibration, no pollution, lower price and better quality, etc.
摘要静压预制桩具有无振动、无污染、造价低及质量可靠等优点。收藏指正
5.Stable operation: absolute concentricity of pump shaft and excellent static and dynamic balance of impeller ensure stable operation without vibration absolutely.
运行平稳：泵轴的绝对同心度及叶轮优异的动静平衡，保证平稳运行，绝无振动。收藏指正
6.The static solution is subjected to Eulerian equation,and the vibration solution is given in the form of a series involving Bessel functions.
利用分离变量法,贝塞尔(Bessel)方程的解是一个由球贝塞尔函数构成的级数形式解,然后将此解和准静态解叠加,可得弹性动力学问题的解。收藏指正
7.Effects of Chain Saw Dynamic and Static Characteristics on Fatigue of Arm Muscles(Ⅲ) Effects of vibration on activity of palmaris longus muscle
油锯动静态特性对操作者手臂肌肉疲劳的综合效应(Ⅲ)──振动对掌长肌收缩的影响收藏指正
8.Effects of Chain Saw Dynamic and Static Characteristics on Fatigue of Arm Muscles (Ⅳ) Effects of vibration on skin temperature and skin resistance of human hands
油锯动静态特性对操作者手臂肌肉疲劳的综合效应(Ⅳ)──振动对手皮肤温和皮肤电阻的影响收藏指正
9.Then the dynamic characteristic of a last stage long blade with damped shroud is analyzed in detail,some results as untwist angle,static and dynamic frequency and Campbell diagram of nodal diameter vibration are obtained,the comparison of static frequency and dynamic frequency with results from three dimensional model shows the numerical model can get a rational result.
然后再详细分析了某阻尼围带末级长叶片的振动特性,获得了叶片的扭转恢复角、静频和动频以及节径振动的坎贝尔图,其中静频和动频与三维模型计算结果对比表明了发展出来模型计算结果的合理性。收藏指正
10.The cable was analyzed by multi-element in FEM, its static results were compared with catenary theory, its natural frequency was compared with the chord vibration theory.
采用拉索多单元模拟法分析拉索，将静力分析结果与悬链线理论解进行了对比，并将自振频率与琴弦理论解进行了对比。收藏指正
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