查询词典 acoustic wave

The small but infinite amplitude dust acoustic wave DAW in a collisionless , unmagnetized two ion temperature cold dusty plasma has been studied .

论文第二章研究未磁化的，无碰撞的，双温度离子的冷尘埃等离子体中的有限小振幅尘埃声波。

Hole tape single hole acoustic wave detection and ultrasonic CT were used for position and range of disfigures in TGP dam concrete .

介绍了混凝土缺陷无损检测的各种方法，使用钻孔录像，单孔声波测试和超声波CT技术等三种方法检测出某面板堆石坝某段混凝土缺陷位置和范围，证明它们是混凝土缺陷检测的有效方法。

The performance of new system is increased greatly. Regarding the requiment of the system pattern and function,the system was constituted with a SOPC, programmable high voltage eradiating circuit,acoustic wave sample and all kinds of interface circuits.

根据非金属超声检测对系统结构和功能的新需求，本系统由SOPC系统、程控高压发射系统、数据采集以及各种接口系统组成。

Utilizing the acoustic wave's characteristics, we can detect the interior structure and quality of the anchor system and, judge the anchorage state by beating the anchor bar's top with a hammer.

利用振动波传播具有的许多独特性质，可以在锚杆表面人工激发应力波来探测锚杆体系内部的结构和性质，以此来判断锚杆的锚固状态。

In the light of the theoretical technique of wavelet networks, we study the method for inversing the time difference of artificial acoustic wave by using multi-scale decompositon of wavelet from seismic records.

在讨论小波网络理论方法的基础上，研究了利用地震纪录小波多尺度分解属性资料进行虚井声波时差反演的技术方法。

While performing the seismic modelling experiment , it needs to have tens to hundreds of kilohertz and well distributed orientation dependent narrow pulse acoustic wave as simulation source .

由上述理论和实验的研究，研制出了具有一定灵敏度，方向性较均匀的窄脉冲压电换能器，初步满足了地震模型实验的要求。

Further, author introduces the concept of many kinds velocity and their inherent physical meaning, and then discusses the theory foundation and methods of migration velocity error analysis based on the acoustic wave equation.

进而，介绍了各种速度概念及其内在的物理涵义，讨论了基于波动方程的偏移速度误差分析理论基础及其方法原理。

We make researches into the European legends crossing the Greek and Latin myths. Contemplation, dream experiences, memories and ritual movements float in the magic garden of Psyche and Desire where new textures of notes meet the envelopping echo of classic sounds. Our peculiarity is composing both with acoustic instruments like classic guitar, chitarra battente, darabouka, tablas, tar and other percussions and electric ones like keyboards, synths and drum pads.

作为意大利最杰出的Dark Wave乐队之一，Ataraxia擅长将民谣、中世纪、文艺复兴、巴洛克、古典主义等不同艺术时期的音乐元素揉合到他们那如织锦般繁杂而华贵的音乐创作中，并将这一才能拓展到绘画、诗歌、舞台表演等不同的领域中尽情发挥，其中尤以乐队融合了戏剧、舞蹈、视觉艺术等多种艺术手段的现场表演最令人瞩目。

The results of Glass tank test experimental showed that there is no viscosity change in stimulation of acoustic wave on test of TCE.

音波刺激玻璃槽实验结果发现，音波刺激对纯TCE的黏滞度并无显著的影响，但对孔隙介质中之纯TCE则有较显著的影响，因此推论单纯音波能量不足以改变TCE的黏滞度，而孔隙介质中TCE黏滞度的变化，应致因於音波使介质颗粒间摩擦而导致TCE黏滞度的变化，此实验结果可对弹性波增加污染物移除效果之机制，提供一项有力证明。

Physics mechanisms and measuring methods of thermal effect, field effect, mechanical effect, optical breakdown and laser produced plasma shock and acoustic wave in the interaction between high-power laser and layered material have been theoretically and experimentally studied.

本文从理论和实验上全面研究了高功率激光与层状物质相互作用过程中存在的热效应、场效应、力学效应、光学击穿、以及产生等离子体冲击波和声波的物理机理与测试方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。