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波动能量耗散
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  wave energy dispersion
     The mechanism of seismic velocity attenuation caused by reservoir capillarystrain is that seismic waves in porous two-phase medium make interpore capillariesin poorly-consolidated reservoir close transiently,the closure strain mainly controlling the volume of closed gas,wave energy dispersion and wave velocity attenuation.
     本文提出的储层毛细管应变地震波这衰减机理,是指地震波在多孔汉相介质传播过程中,使固结很差的储层毛细管(孔隙喉道)优先闭合性应变,其应变量主要控制被压缩气体的体积和波动能量耗散及波这衰减量。
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  “波动能量耗散”译为未确定词的双语例句
     Hence, the fast magnetosonic waves dissipate very little in the tail lobe and decay rapidly in the plasma sheet, where the wave energies are converted into heat and kinetic energy of the particles.
     这样,快磁声波在尾瓣中几乎不衰减,而在等离子体片中很快衰减,将波动能量耗散在等离子体片中使等离子体加热或者粒子加速。
短句来源
     By applying the theory of wave energy dissipation rate and combining with proper formulas of solitary waves, a new calculating formula of wave breaking depth and height of the movable bed is derived and examined with the data from experimental pools of different sizes,and it is proved to be of practicability.
     应用波动能量耗散率理论,并结合孤立波理论的有关公式,作者推导了计算动床海滩上破碎指标r_b的公式,并进而给出破碎水深h_b与破碎波高H_b的计算公式。 通过不同规模实验水槽的资料验证表明,这组计算式具有广泛的实用性。
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  相似匹配句对
     STRESS WAVE PROPAGATION AND ENERGY DISSIPATION IN JOINTED ROCKS
     节理岩石的应力波动能量耗散
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     On Energy in Waving
     谈波动中的能量
短句来源
     dissipation of wave energy;
     孤波的能量发生耗散;
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     Fatigue of material is a process of energy dissipation.
     材料的疲劳是能量耗散过程。
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     A Kind of Wave Equation of Positive Energy
     一类正能量相对论波动方程
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  dissipation of wave energy
In direct cascades, energy is transferred from lower frequencies to the higher frequencies, which causes waves to break, and dissipation of wave energy.
      
One of the three basic concepts is the concept of local balance, and the other two concern the acquisition of wave energy and the dissipation of wave energy, respectively.
      
These and other observations will provide insight into the turbulent transport in the near-surface layer and the dissipation of wave energy.
      
They also stabilize the sea floor, trapping sediment, and can affect the angle of slope of the sea bottom and again the dissipation of wave energy.
      


In the present paper, the mechanism of magnetospheric substorm which is produced by the energy transportation from the fluctuation kinetic energy of solar wind is extended to the case of collisionless plasma process. The fluctuations of solar wind quantities at the magnetopause excite the compressed Alfven waves, which propagate through the collisionless plasma in the tail of magnetosphere. There is the condition β<<1 in the tail lobe and β≥1 in the plasma sheet, where β is the ratio of plasma pressure and magnetic...

In the present paper, the mechanism of magnetospheric substorm which is produced by the energy transportation from the fluctuation kinetic energy of solar wind is extended to the case of collisionless plasma process. The fluctuations of solar wind quantities at the magnetopause excite the compressed Alfven waves, which propagate through the collisionless plasma in the tail of magnetosphere. There is the condition β<<1 in the tail lobe and β≥1 in the plasma sheet, where β is the ratio of plasma pressure and magnetic pressure. Hence, the fast magnetosonic waves dissipate very little in the tail lobe and decay rapidly in the plasma sheet, where the wave energies are converted into heat and kinetic energy of the particles. It is shown also that the energy particles in the plasma sheet may be produced by the dissipation o'f the energy from solar wind and are not necessarily originated from the solar wind directly.

本文将太阳风涨落传输能量产生磁层亚暴的机制推广到无碰撞等离子体过程。太阳风的涨落在磁层顶激发压缩阿尔文波,并在磁尾的无碰撞等离子体中传播。尾瓣中满足条件β<<1,而等离子体片中β≥1,其中β为等离子体压力与磁压之比。这样,快磁声波在尾瓣中几乎不衰减,而在等离子体片中很快衰减,将波动能量耗散在等离子体片中使等离子体加热或者粒子加速。这种机制还表明,磁尾等离子体片中的高能粒子可以由太阳风涨落动能耗散而被加速,不一定是直接源于太阳。

Engineers in coastal engineering have been paying much attention to the research subject on wave breaking. In this paper, previous research results of the calculating methods of wave breakins depth and height are enumerated, the laws of wave transformation before and after wave breaking are investigated, an adequate supposition is made. and the effect of beach slope, bed friction and breaking turbulence on wave breaking is considered. By applying the theory of wave energy dissipation rate and combining with...

Engineers in coastal engineering have been paying much attention to the research subject on wave breaking. In this paper, previous research results of the calculating methods of wave breakins depth and height are enumerated, the laws of wave transformation before and after wave breaking are investigated, an adequate supposition is made. and the effect of beach slope, bed friction and breaking turbulence on wave breaking is considered. By applying the theory of wave energy dissipation rate and combining with proper formulas of solitary waves, a new calculating formula of wave breaking depth and height of the movable bed is derived and examined with the data from experimental pools of different sizes,and it is proved to be of practicability.

有关波浪破碎问题的研究是海岸工程界十分关注的课题。本文列举了前人有关波浪破碎特性方面的研究成果;分析了波浪破碎前后波高的变化规律,作出了适当的假定;并考虑了动床海滩坡度、底摩擦以及紊动对波浪破碎特性的影响。应用波动能量耗散率理论,并结合孤立波理论的有关公式,作者推导了计算动床海滩上破碎指标r_b的公式,并进而给出破碎水深h_b与破碎波高H_b的计算公式。通过不同规模实验水槽的资料验证表明,这组计算式具有广泛的实用性。

The mechanism of seismic velocity attenuation caused by reservoir capillarystrain is that seismic waves in porous two-phase medium make interpore capillariesin poorly-consolidated reservoir close transiently,the closure strain mainly controlling the volume of closed gas,wave energy dispersion and wave velocity attenuation. According to above fact,we find the mathematic relation between P-wave velocity and capillary pressure,pore structure,water saturation or elasticity modulusof capillary-closed reservoir,so...

The mechanism of seismic velocity attenuation caused by reservoir capillarystrain is that seismic waves in porous two-phase medium make interpore capillariesin poorly-consolidated reservoir close transiently,the closure strain mainly controlling the volume of closed gas,wave energy dispersion and wave velocity attenuation. According to above fact,we find the mathematic relation between P-wave velocity and capillary pressure,pore structure,water saturation or elasticity modulusof capillary-closed reservoir,so that Domenico effect can be interpreted desirably. Evaluating the quantitative influence of both pore structure and gas saturation uponseismic velocity is very significant to broadening the application of capillary pressure data in seismic data interpretation.

本文提出的储层毛细管应变地震波这衰减机理,是指地震波在多孔汉相介质传播过程中,使固结很差的储层毛细管(孔隙喉道)优先闭合性应变,其应变量主要控制被压缩气体的体积和波动能量耗散及波这衰减量。据此,建立纵波速度与毛细管压力、孔隙结构、含水饱和度和岩石闭会弹性模量间的数学关系;较好地解释了Domenico效应;初步定量性评价孔隙结构和含气饱和度对地震波速的影响,这对拓宽毛细管压力资料在地震资料解释中的应用范围具有较大的理论和实际意义。

 
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