超声波的

The ultrasonic detector gives off an ultrasonic wave when it is given an electronic pulse.

1超声波液位测量的工作原理图1为脉冲回波式测量液位的工作原理图。

Methods 1000 cases were treated with external ultrasonic to emulsify the fat under tumescent anesthesia,then regative pressure technique was applied.

在肿胀麻醉技术基础上，通过特定频率的超声波在体外乳化脂肪，再应用负压将乳化的脂肪抽出体外，共完成腰腹部脂肪堆积治疗1 000例。

The extraction of the residue endogenic protease of waste brewer yeast was studied with the ultrasonic cell-break method.

采用超声波破碎法对啤酒废酵母残余的内源蛋白酶进行提取，并以酪蛋白为底物测定内源蛋白酶的活力。

A new method of using ultrasonic wave to endosmosis chlorophyll from leek was studied.

利用超声波浸提了植物韭菜中的叶绿素，探讨了一种超声浸提植物叶片中叶绿素的新方法。

Not depending on the friction force, it solves many problems of contact type ultrasonic motor, such as shorter life expectance and continuous running time.

目前国内外已试制出多种以气体作为能量传输媒质的非接触型超声波电机，并对其运行机理及外特性进行了一定的研究[6-8]。

Ultrasonic wave motor is s new motor according to the principle of that to get turning force from ultrasound oscillation.It differs from traditional motor due to it is without winding and magnetic field.

与传统的电机不同，超声波电动机没有绕组和磁路，是一种由超声振动而得到旋转力的新原理电机，有驻波与行波两种驱动方式。

In this paper the finite element model of the USDC is built and the dynamic analysis is conducted.

建立了超声波钻探器的有限元模型，通过结构动力学分析，确定了钻探采样器的结构方案。

Firestone (1940) and Simons (1945) developed pulsed ultrasonic testing using a pulse-echo technique.

在医学中，可以利用超声波进行人体内部器官的组织结构扫描和血流速度的测量等。

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Put forward to use infra-red sensor and ultrasonic sensor to be united in wedlock will feel environmental information, the collection of information of the fraise that finish, use the program that gets used to the be in harmony that increase advantageous position to add up to algorithm to realize data confluence oneself.

提出采用红外传感器和超声波传感器相结合来感知环境信息，完成障碍物信息的采集，并利用自适应加权融合算法实现数据融合的方案。

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。