振动

With the development of rolling technology, rollers family becomes more and more stronger.

随着振动压实技术的不断进步，振动压路机家族得到了不断的发展与壮大。

The kinetic energy of the collective motion have been parted three parts, which arevibrations in body-fixed frame, rotation of this system about the axes of Lab-frame and couplingbetween vibrations and rotation.

我们从多极形变系统小形变下的集体运动经典动能表达式出发，引入转动算符，把多极形变系统的集体运动动能从实验室系转到体坐标框架，从而将集体运动动能分解成体坐标框架下的形变振动、体坐标系围绕实验室系的转动及振动与转动的耦合。

Our company has many years of production history, introducing advanced foreign technology, combined with the actual situation at home and abroad, the development of products are: the impact crusher, E-type, hammer type, counter-style, composite, such as broken equipment, ball mill, such as the Department of Mineral Processing Equipment,×ú, block making machine, machines and other asbestos tile equipment, vibratory feeder, vibrating screen, sand washing machines, belt conveyors and other auxiliary equipment, some products have reached international advanced level.

本公司具有多年生产历史，引进国外先进技术，结合国内外实际情况，所研制生产的产品有：冲击式破碎机、鄂式、锤式、反击式、复合式等破碎设备，球磨机等选矿设备系，免烧砖机、砌块成型机、石棉瓦机等砖瓦设备，振动给料机、振动筛、洗砂机、皮带输送机等其他辅助设备，部分产品已经达到国际先进水平。

The paper expounds systematically the strengthening mechanism,design calculations,construction process,quality control and quality inspection during cohesionless soil subgrade treatment by vibrating sunken tube sand pile,based on the practical application of vibrating sunken tube sand pile in sand-wash-and-filling subgrade treatment of Ganjiang Nanda Road.

结合振动沉管砂桩在赣江南大道冲填砂路基处理中的应用实践，系统地阐述振动沉管砂桩在砂性土地基处理中的加固机理、设计计算、施工工艺、质量控制及质量检验。

Aimed at the mathematic problem in the model of the pendulum oscillation,the paper introduces the study on the existence of odd-harmonic solutions to second order semi-linear differential equation which describes the model of the pendulum oscillation by using upper and lower solution method monotone iterative technique and the Schauder fixed point theorem respectively.

针对摆型振动模型中的数学问题，分别采用上下解方法、单调迭代法及Schauder不动点定理研究了摆型振动模型的二阶半线性微分方程奇调和解的存在性。

The influence of altitude, direction angle, angle of the screen surface and burden thickness on productivity and screening efficiency is revealed.

直线振动筛的振幅、振动方向、筛面倾角、筛面料层厚度等参数对生产率和筛分效率均有直接的影响。

We take sech form ansatz and solve the CNLS equations through variational approach. We obtain the analytical expression of nonlinear coupling term, which is in the lagrangian of CNLS. We apply a potential well model to analyze the interaction properties of self-trapping beams in detail, the results show that the interaction do not change the profile of the beams, two beams keep oscillating around their collective center periodically. The amplitude and period of this oscillation are both determined by initial separation of two beams.

我们采用Sech函数为试探函数，用变分法求解CNLS方程，（1）给出了CNLS方程所对应的拉格朗日中的非线性耦合项的解析表达，（2）利用势阱模型详细分析两自陷光束之间相互作用的特性，结果表明，相互作用没有改变孤子的形态，它们分别在与传播方向垂直的方向上绕它们的公共中心做往复振动，振动幅度及周期都取决于两光束的初始分隔。

We present quantum mechanical vibrational computations beyond the harmonic approximation from effective second order perturbative and variation perturbation treatments defined as static approaches, as well as vibrational analysis from density functional theory molecular dynamics trajectories at 300 and 600 K.

利用超简谐振动近似的有效二阶微扰法(VPT2)和变异微扰法两种静态方法，以及在300和600K下的密度泛函分子动态轨线振动分析方法进行量子力学的振动计算。

Quantitative research on effects of seismic source on space correlation of strong ground motion;2. The abecedarian analysis gives out the basic reason of why the earth vibrant noise can be regarded as a new seismic source of the future flat seis.

在已经进行的两次探索性观测试验中，得到运行列车引发的地振动噪声可以通过天然地震观测台站和地震勘探常规地震仪接收到的证据，通过对数据的初步分析，进一步提出运行列车引发的地振动噪声可能成为铁路沿线浅层地震勘探震源的基本理由，并给出需要进一步深入研究的问题。

It's discussed that self-excitation vibration mechanism with creeping phenomenon for lower motion parts running speed in NC machine tool feed system.

讨论了数控机床进给系统中因运动部件转动速度较低，因而产生爬行现象的自激振动机理；通过对进给系统建立运动模型、导出振动方程从而对爬行现象进行了理论分析。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。