• Using the testing technology of rock mass elastic wave, the methods of measuring rock mass wave velocities in situ inside the high slope of the TGP's permanent lock have been studied.

    研究岩体弹性测试手段进行现场测定三峡工程永久船闸陡高边坡岩体波速方法及技术

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  • If a proton which has no mass can behave as a particle does it follow that an electron which has mass can behave as a wave?

    如果一个质量光子粒子一样,具有质量的电子能否表现得波一样吗?

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  • Based on the principle of equivalent mass, it tests the impelling vibration in sonic wave vibration system, introduces the experiment condition and process.

    为此参照等效质量原理系统进行试验,并对试验条件试验方法进行了介绍

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  • The interaction of stress wave with tunnel structures in rock mass is a complex problem, which up to now has not been solved completely.

    应力隧道衬砌相互作用问题岩石力学的一个十分复杂的问题,目前为止还没有得到圆满的解决。

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  • Rock mass elastic wave velocity is the synthesized reflection of rock quality, rock mass structure, and rock mass existing environment.

    岩体弹性速度组成岩体岩石性质、岩体结构、赋存环境综合反映

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  • It is found that under little axial strain, armchair carbon nanotubes are still conductors, but Fermi wave vector, Fermi dot and the effective mass near Fermi face are changed.

    轴向拉伸下扶手椅型纳米管仍然良好的导体费米、费米费米面处有效质量发生了变化

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  • The blasting vibration of creep mass slope of Longtan hydropower station is observed, interpreted and analyzed. The experiential formula of decay for the blasting earthquake wave is obtained.

    龙滩水电站变体边坡爆破振动进行观测、分析处理,得到了爆破地震波衰减经验公式

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  • It also studied general variation regularities of wave force, added mass and added damping, TLP's kinetic respondence based on engineering examples and got some valuable conclusions (see text).

    基于工程实例,分别研究TLP波浪附加质量附加阻尼、TLP动力响应一般规律得到了一些富有工程意义结论(详见正文)。

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  • The effect of spring mass on oscillation frequency and elastic constant is discussed by solving the wave equation.

    通过求解弹簧纵波波动方程讨论了弹簧质量子的振动频率弹簧劲度系数的影响

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  • It is concluded from the result that joint damp influences the propagation of wave much more than joint mass.

    根据分析结果可以看出,节点质量弹性传播影响不大,节点阻尼对弹性波的传播影响很大。

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  • A continuity wave model is put forward for the dispersion process of liquid-liquid two-phase system, by coupling mass and momentum conservation equations of two-fluid model.

    流体模型基础,通过质量守恒方程动量守恒方程耦合提出液液两相弥散传质的连续模型。

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  • When people heard that an invasion by aliens from Mars was underway, there was a wave of mass hysteria.

    人们听说火星入侵时,大众恐慌情绪高涨

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  • The wave of UFO activity continued in the skies over Mexico and, due to the video camcorder, became the most documented mass sighting ever.

    风波继续活跃墨西哥上空归功于可携式摄像机成为具备证明文件视觉聚集。

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  • A dark wave rose as the combined mass attack of twisted creatures sought to overwhelm the paladin.

    黑暗生物们疯狂进攻几乎形成了暗涌的大潮,张牙舞爪地试图淹没那个圣骑士。

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  • The model and equations used for measuring the seismic effects of traveling wave onto long span bridges are derived and established, during the course of which the large mass method is utilized.

    运用质量法,建立推导了长大跨度桥梁考虑效应分析模型解析方程

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  • Across the world a wave of mass deaths began, plants and animals perishing in a decade-long asteroid winter.

    地球死亡浪潮席卷而来。这个由陨星引起的,长达数十年的严冬中,植物动物,逐渐消失灭迹。

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  • The model of a kind of wave energy device moored on seabed is simplified into a spring-mass-damping system, and then its motion equation is built according to Newton's second law.

    造波水槽内二维浮体牵引弹簧回复液压缸的受力系统简化弹簧—质量—阻尼系统,建立数学模型根据牛顿第二定律得到运动方程式

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  • In many practical measurings of the blast stress wave parameters in rock mass by variable capacity instrument, long wire effect has been discovered.

    电容测量岩体爆炸应力参量多次实践发现存在着长线效应

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  • Submarine depth and rolling control near the water surface is a kind of nonlinearity control problem. The change of submarine mass, speed and ocean wave make it difficult to design of control system.

    潜艇水面运动情况下深度纵倾控制问题非线性控制问题,潜艇自身质量航速变化以及外界不规则海浪使得控制系统难于设计

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  • A local transmitting boundary is combined with a lumped-mass finite element technique to form a mechanical model simulating the near field steady wave motion.

    本文将局部透射边界集中质量有限元技术结合起来形成一个模拟稳态波动力学模型

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  • In this paper, a finite element method with lumped mass formulation is applied to analyse the transient SH wave propagation in an elastic half-space with a dipping layer.

    本文采用一种类似于差分方法集中质量有限元模型和人工边界透射理论分析倾斜成层弹性空间瞬态SH的近场波动问题。

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  • Model verifications are given through comparisons between the calculated and the measured bed mud mass transport velocities as well as the rate of decay of water wave heights.

    模型验证通过计算波波衰减底床软泥移速度,并与有关的实验测量数据进行比较。

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  • Model verifications are given through comparisons between the calculated and the measured bed mud mass transport velocities as well as the rate of decay of surface wave heights.

    模型验证通过计算波波衰减软泥速度,并与有关的实验测量数据进行比较。

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  • In this paper, a discrete local transmitting boundary is combined with a lumped-mass finite element technique for simulating steady wave motion in the viscoelastic layered medium.

    本文离散的局部透射边界集中质量有限元方法结合,用于模拟粘弹性成层介质中的稳态波动

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  • It includes mass absorption of element itself, between elements and element at original X-ray wave length.

    包括元素本身元素元素对某波长质量吸收

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  • The thesis adopted the high efficiency wave tray to reconstruct the tradition tray of urea synthesis column, which has strengthened heat and mass transfer.

    本文采用高效波形塔板对传统尿素合成进行改造,加强尿素合成塔内的传热与传质。

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  • The mass sensitivity of the surface transverse wave (STW) biosensor effected by the material and thickness of the grating was analyzed.

    分析了延迟线型表面横波(STW)生物传感器灵敏度材料厚度的关系。

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  • The relations between the longitudinal and transversal waves, the wave velocities of rock mass and rock were also described in it.

    文章统计了纵波横波岩体波速和岩石波速关系,可供选用指标时参考。

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  • This paper shows that the time discretization makes the lumped-mass method much better than the consistent-mass one as accuracy is concerned for simulating wave motion in the continuous model.

    研究结果表明,从模拟连续模型精度上看,时域离散化使集中质有限元优于一致质量法,前者可取较大时间步长。

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  • The ocean wave is born out of surrounding mass of water which sustains and supports it, feelings are also surrounded by other feelings on which they are supported, and into which they merge.

    海浪是从周围水中产生出来的,维持着。感觉也是其它感觉包围着支持着,并最终融入它们

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