A method and ultrasonic meter system for determining pipe roughness.
用于确定管道粗糙度的方法和超声仪系统。
The ultrasonic meter is configured to determine diagnostic data based on acoustic signals transmitted between the first transducer pair.
所述超声仪构造成，基于在第一对换能器之间传输的声信号来确定诊断数据。
The paper is mainly described the design principle. Erect requirement and application of U2000 type ultrasonic flow meter.
本文主要概述了U 2000型超声波流量计原理、安装要求及其特点和应用。
A tethered float ultrasonic power meter has been built. Its measuring principle, design, calibration, error analysis and advantages are described in this paper.
本文说明所研制的悬链式超声功率计的基本原理、结构设计、校准、误差及其优点。
Now, the BCZ100-1 ultrasonic power meter, as a metric instrument of medical ultrasonic diagnostic equipment, is widely adopted by medical metric departments.
目前，我军各级医学计量单位普遍使用BCZ100 - 1型便携式毫瓦级超声功率计作为超声诊断设备的计量仪器。
Trees s fixed high diameter meter is a new kind measuring instrument, which bases on many kinds of technologies such as the one-chip computer, ultrasonic and bar code discerning.
定高树径测量仪是基于单片机、超声波测距、条形码识别等多种技术而开发研制的在树木确定高度情况下进行测量树木直径的一种新型测量仪器。
Optic coherent topography (OCT), ultrasonic biomicroscopy (UBM) and laser flare cell meter (LFCM) examination were performed before and after operation.
术前、术后行超声生物显微镜(ubm)、黄斑区光学相干断层成像(oct)、激光蛋白细胞检测仪(LFCM)及常规检查。
To study a new type ultrasonic Doppler flow meter for industry flow measurement of the liquid in the airtight pipeline.
文中研究一种用于工业密闭管道流体流量测量的新型超声波多普勒流量计。
The paper introduces the level instruments and describes the realization of the level automatic control by means of ultrasonic level meter and level regulator in sludge treatment engineering.
介绍了液位检测仪表，并阐述在污泥处理站中采用超声波液位计和液位调节器实现液位自动控制的方法。
Introduces the principle and features of the ultrasonic welding of the thermoplastic staking technology in the course of gas meter diaphragm assembling.
介绍热塑性塑料超声波焊接原理、特点。重点探讨了膜式煤气表膜片组件装配过程中对超声铆接技术的应用。
This paper explained the commonly used principle of ultrasonic flow meter: time-difference method and Doppler method and introduced the classification of the ultrasonic flow meter.
本文阐述了超声波流量计常用的时差法、多普勒法的测流原理，以及超声波流量计的分类。
The result of TEM showed after the treatment by ultrasonic wave and silicone coupling agent, nano-meter palygorskite powder could disperse uniformly in the complex material.
TEM表明：通过超声波分散和硅烷偶联剂处理，纳米坡缕石粉体在复合材料中分散均匀。
There is obvious advantage of the ultrasonic flow meter for the metering on the large diameter gas pipeline.
超声波流量计在大管径天然气计量中具有突出的优点。
In This paper, the system composition and working principle of the material thickness measuring meter of ultrasonic sinter-circle-cooling machines are introduced.
介绍了超声波式烧结环冷机料层厚度测量仪的系统构成和工作原理。
Ultrasonic flow meter is widely used in oil, gas and chemical industry because of its advantages of non-contact measurement, ease installation, low cost and so on.
超声波流量计因为其非接触测量、安装简便和费用低等优点，广泛的应用于石油、天然气和化工等领域。
The working principle and application of three kinds of ultrasonic level meter are introduced in this paper.
介绍了三种超声物位计的工作原理及应用概况。
Because of the request of accuracy and the performance of real time, this ultrasonic flow meter USES the special data processing chip and digital phase technology.
由于流量计对测量系统的精确性和实时性要求较高，所以采用专门的数据处理芯片和数字鉴相技术。
Ultrasonic flow meter fluid flow through the detection of ultrasonic beam (or ultrasonic pulse) effect to measure the flow meter.
超声流量计是通过检测流体流动对超声束（或超声脉冲）的作用以测量流量的仪表。
CLW ultrasonic material level meter can control material height without touching material.
CLW超声波料位器，可以无接触控制铺料高低。
The thesis introduces a kind of single-pulse-refection ultrasonic distance meter system module in detail based on Microcontroller.
本文介绍了一种基于单片机的脉冲反射式超声波测距模块。
Moreover, it proposes the whole structure of the system by introducing the function of ultrasonic distance meter.
并且在介绍超声测距系统功能的基础上，提出了系统的总体构成。
The ultrasonic backscattering can be a proper para meter to reveal the crystallization of waxy crude oil.
声背散射现象的出现是原油中蜡晶析出的直接标志，用声背散射信号反映蜡晶析出是合适的。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
This paper introduced the flow measuring principle of time-difference method of ultrasonic flow meter and the flow calculating method in flow measurement with velocity instrument.
论述了流速仪法测流及水轮发电机组现场效率试验的原理和计算方法。
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