The delaying time of the wave formation is short in autumn winter, long in spring summer.
在秋冬季波浪形成延迟时间短,在春夏季延迟时间长。
The mechanism and conditions of web-wave formation during hot rolling of H-Beam were studied.
对H型钢轧制过程中腹板波浪的产生机理及形成条件进行了研究。
The delaying time of the wave formation is long by the north wind, short by the south breeze.
偏北风起浪慢,延迟时间长;偏南风起浪快,延迟时间短。
Numerical calculations of Partial wave formation for atomic and molecular ionization cross sections are described, specially dealing with high angular momentum terms.
讨论了原子分子离化截面分波方法的数值计算,特别是高分波项的处理问题。
This topography was a major ingredient in the formation of the tsunami. (Or, more informally, megatsunami, a word used to describe a wave in excess of 100 meters, or 328 feet).
这种地形是形成海啸(或者更通俗一点,大海啸,用于形容超过100米或328英尺的波浪)的主要因素。
To bring forward relatively drillability conception to different drill bit style contemporary, and build they way to predict formation drillability by earthquake wave rate.
同时针对不同钻头类型提出地层相对可钻性的概念,并建立地震层速度预测地层可钻性的方法。
Conclusion High energy shock wave inducing renal damage is associated with free radical formation, endothelin release, and decrease of renal plasm flow.
结论高能冲击波致肾脏损伤与自由基形成、内皮素升高引起肾血流下降有关。
It is very important to deeply study the formation and the dynamics of spiral wave.
因此深入研究螺旋波的形成及其动力学行为具有重要的意义。
When using CBL-VDL logging information to carry out cement bond evaluation, formation wave energy is major sign to reflect the second interface cement degree.
在利用CB L-VDL测井资料进行水泥胶结评价时,地层波能量是反映第二界面水泥胶结好坏的主要标志。
With the level of China's national economy as well as public awareness of winter sports, snowboarding sport rapidly growing momentum of development and the formation of a wave of China.
随着我国国民经济水平的提高以及大众对冬季运动项目的认识,单板滑雪运动发展势头日益迅猛,并且正在中国形成一股浪潮。
Wave impedance inversion and imaging of the medium between the casing and the formation based on the practical data of an oil field are carried out.
最后对现场实测资料进行了套管-地层环空间内介质的波阻抗定量反演与成像。
Topics covered in wave optics include: basic electrodynamics, polarization, interference, wave-guiding, Fresnel and Fraunhofer diffraction, image formation, resolution, space-bandwidth product.
涵盖的主题包括:在波动光学基本电动力学,极化,干扰,波导,菲涅耳和夫琅和费衍射,成像,分辨率,空间带宽产品。
In such conditions a shear head wave is generated, so that standard techniques based on monopole transducers can be used to measure formation shear velocity.
在这种情况下会产生横波首波,因此可以使用基于单极子传感器的标准技术测量地层横波。
In this paper, developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
Since P-Wave can not be suppressed in dipole shear wave log in slow formation, there are some difficulties in picking the first S-Wave arrival.
在慢速地层中偶极横波测井不能很好地压制纵波,致使横波首波的检测存在一定的难度。
It showed that the transverse wave of DSI logging data might have important application in distinguishing of formation anisotropy and determination of crustal stress.
研究表明,DSI测井的横波各向异性资料在判断地层各向异性、确定地应力方面具有良好的应用前景。
This paper analyzes the formation of the output wave from a dynamic detector, the relation between the output wave and the magnetic field distribution and the effect of the armature reaction on them.
本文就动测这个侧面,简要地叙述了动测波形的形成及其与气隙磁场分布的关系和电枢反应对它们的影响。
When mud cake is thick, formation permeability and shear wave slowness evaluated from the attenuation of the amplitude of Stoneley wave are wrong.
当泥饼层较厚时,用斯通利波幅度衰减估算的地层渗透率及提取的横波时差是错误的结果。
The results show that the method can skip over the P-Wave and exactly pick the first S-Wave arrival in dipole shear wave log in slow formation.
实际资料处理结果表明,该方法可以跳过慢速地层中偶极横波测井的纵波而检测横波初至。
Formation wave is weaker than the casing wave.
相对于套管波,地层波很弱。
By comparison with other logging data, the amplitude of Stoneley wave and the ratio of Stoneley wave amplitude to compressional wave amplitude are related to formation permeability.
将它们与其它测井资料对比,发现斯通·利波的幅度及其与纵波幅度的比值与地层的渗透性有关。
The results obtained indicate that the center frequency of cased wave is obviously higher than that of formation wave in fast formation.
分析研究表明,快速地层水泥完全胶结时的地层波与套管波的主频差别较大,套管波主频明显偏高。
The generation of the seismic wave frequency is irrelevant to the formation thickness.
地震波频率产生和地层厚度无关。
The colliding galaxies would have created a powerful density wave that would have swept out the material into an expanding ring, stimulating star formation.
碰撞的两个星系产生了强烈的密度波,把物质推到外侧的环形上,并激发了恒星的形成。
Theauthor quantitatively analysed the formation of stationary wave and its transmission without vibration, phase, wave form and energy to apply theory to practice.
本文分析了驻波的形成及其振动、相位、波形、能量驻立的特征。使驻波实际应用中,有一个清晰的概念。
Based on the characteristics of nonlinear negative index materials, we investigate the formation conditions and transmission characteristics of the chirped dark solitary wave in detail.
结合负折射介质的特性,详细研究了该啁啾暗孤波的形成条件和传输特性。
The attenuation of seismic wave in near offset can more correctly reflect the lithologic information of formation than that in far offset.
近炮检距处地震波的衰减较之远炮检距的相应衰减量更能准确反映地层的岩性信息。
Only when phase slowness is extracted from the Stoneley wave and the flexural wave, can the parameters of formation be obtained exactly, such as permeability and shear slowness.
只有从频散的斯通利波和弯曲波中提取出相慢度,才有可能进一步求准地层渗透率和横波慢度等参数。
The propagation characteristic of acoustic wave in borehole that penetrates compact carbonate formation is analysed by doing model experiment.
本文用模型实验研究了声波在致密碳酸盐岩地层井中的传播特性。
Then ultrasonic wave and solvent were exerted into the crystallizable solution to change its natures, adjust the formation of crystal water and affect the change of crystal configuration.
然后通过施加超声波、溶剂等来改变结晶溶液的特性,以调节结晶水形成,干预晶体构型变化。
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