声波

Differences are analyzed between those responses to non hydrocarbon (CO_2) gas zone and hydrocarbon gas zone.

分析了非烃类气气层和烃类气气层的声波时差测井响应、密度测井响应和中子孔隙度测井响应。

This study choose Changle Gaoya reservoir irrigation areas as the study sites, through the installation of different ultrasonic equipment on open channel of non-uniform flow to study the flow gauging of non-uniform flow in open channel:(1)5 tracks ultrasonic open channel flow meter used to real-time monitoring the flow of velocity ,water depth and discharge;(2)Ultrasonic liquid level gauge used to real-time measure the upper level and tail level of the two sections ,then the computer calculated average water level, gradient of water table and discharge;(3)Change the open channel water conveyance into pipeline full flow water conveyance, installed the ultrasonic liquid level gauge and pipe flow gauge on the inflow point and surface of pipe, water level and discharge would detect in real time.

本研究以山东省昌乐县高崖水库灌区为研究地点，通过安装在灌溉明渠上的不同超声波设备对明渠非均匀流的测流进行了研究：(1)用五声波超声波明渠流量计对测流渠段的流速、水深及流量进行了实时监测；(2)用超声波液位计将测流渠段的上下游两断面水位实时测出，再用计算机分时段算出平均水位、水面坡降及流量；(3)将测流渠段明渠输水改造成管道满流输水，分别在管道进口前及管管上安装超声波液位计和管道式流量计，将水位和流量实时测出。

The EMS Swiss Dolorclast is a non-invasive device that generates therapeutic sound waves to treat heel pain associated with plantar faciitis, also known as a heel spur.

EMS瑞士公司的Dolorclast是一种无创伤性的装置，可产生治疗性的声波治疗脚后跟相关的脚底肌腱炎，这种疾病又称为后跟刺。

Second sound wave was a hot research point for many years.

超流氦中的第二声波一直是一个研究热点。

Finally, determine reservoir lithology and pore fluid properties. This method requires only small and medium angle seismic data, and all other elastic parameters are from the elastic density ratio and acoustic impedance.

该方法仅需要近、中角度的地震数据，其他弹性属性参数是由弹性密度比与声波阻抗之间的关系通过道运算获得，提高了计算效率，可用于绝大多数采集条件下获得的地震数据叠前反演。

For example, we can not hear ultrasonic or infrasonic waves..

例如我们听不到的超声波或次声波。）。

Another haunted and related natural phenomenon is known as low-frequency infrasonic sound waves.

另一种与闹鬼相关的自然现象是称作次声的低频声波。

The church uses a crystal radio system for its music, and only specific infrasonic radio frequencies can interfere with it.

教堂使用水晶无线电系统来播放音乐，只有特定的次声波频率能对其进行干扰。

This paper analyzed the advantage and disadvantage of three sound wave focus methods, that is lens focus, curved autofocus, and phased-array focus on the base of draw lessons from supersonic focus technic, consequently preferred and designed the infrasonic phased-array focus system.

文中在借鉴超声波聚焦技术的基础上，分析了透镜聚焦、曲面自聚焦、相控阵聚焦等三种声波聚焦方法的利与弊，从而选用和设计了次声相控阵聚焦系统。

The article also reviewed some new type of detecting equipment designed by electroencephalograph, event related potential, functional magnetic resonance imaging, nuclear magnetic resonance, skin temperature and infrasonic sound, etc.

文章还介绍了基于脑电信号、事件相关电位、功能磁共振成像、核磁共振、皮肤温度、语音次声波等生理参数设计的正处于研发阶段的新型测试仪，并展望了心理测试技术发展和应用前景。

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。