超聲測流 的英文怎麼說
中文拼音 [chāoshēngcèliú]
超聲測流
英文
ultrasonic flow measurement-
The experiment study of ultrasonic flowmeter precision
超聲波流量計測流精度的實驗研究The types of the detection equipments and apparatus are over 100, such as x - ray detector, r - ray detector, digital ultrasonic flaw detector, eddy current flaw detector, eddy current flaw detector, magnetic memory metal diagnostic instrument, acoustic emission testing an analyzing system, three - dimensional ultrasonic testing system, microcomuterhydraulic pressureniversal testing machine, metalloscope, portable direct - read spectrograph, have achieved the national advanced technology
擁有各種檢測設備100多套，如射線探傷機、數字式超聲波探傷儀、渦流探傷儀、磁記憶金屬診斷儀、聲發射檢測及分析系統、三維超聲波檢測系統、便攜式直讀光譜儀、微機式液壓萬能試驗機、金相顯微鏡等，達到國內先進水平。Among the five kinds of nde ways ( rt, ut, et, pt, mt ), ultrasonic testing technology develops very fast because of its merits such as good orientation, strong penetration ability, higher energy and no harm to human health
在五大常規無損檢測方法中（射線、超聲、渦流、滲透、磁粉） ，超聲波無損檢測因其方向性好、穿透能力強、能量高以及對人體無害等優點而得到了迅速發展。Ultrasonics - flow measurement systems - flow test object
超聲學.流量測量系統.流量試驗物體The development of 3d ultrasound blood flow measurement
三維超聲血流測量的研究進展By using the three - dimension acoustic doppler velocimeter to measure velocities of flow in an ecological river before and after arrangement of cropping loops, the velocity distribution, turbulence intensity and reynolds stress before and after arrangement of cropping loops are compared
摘要採用三維超聲波多普勒測速儀對河道生態修復中種植圈布設前後的工況量測，比較了布設種植圈前後的流速分佈、紊動強度和雷諾應力的變化。Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant. taken hydraulic efficiency experiment in certain hydropower plant as examples, the general methods about how to locate the discharge measurement plane, install transducers and choose the integration methods are put forward. an improvement method is proposed finally
文摘:從理論上和實踐上，對低水頭電站超聲波測流進行了較為詳細的研究，並以某水電站為例，對測流斷面定位、聲路布置和面積積分給出了一般方法This was done by using high frequency ultrasound to measure the ability of the brachial artery ( which runs from the shoulder to the elbow ) to relax and expand in order to accommodate increased blood flow - - a test called flow mediated dilation ( fmd )
這是通過使用高頻超聲衡量肱動脈（從肩部走行至肘）為了適應增加的血流量而鬆弛和擴張的能力，這個測試被稱為血流介導的舒張功能（ fmd ） 。Measurement of liquid flow in closed conduits using transit - time ultrasonic flowmeters
在封閉導管中用渡越時間超聲波流量計測量液體流量According to the high dispersedness and low precision of measurements when using the traditional time difference method in small diameter and low flow rates conditon, this paper brings forward a new method based on high - speed data acquisition technique. the time difference comes out accurately with high resolving ability of time by using the method and the signal processing algorithms. the developed ultrasonic detection system is composed of two ultrasonic detectors, a transmitting and receiving ultrasonic unit, a high - speed data acquisition unit and a computer
本文針對傳統的時差法在小管徑、低流速測量時，具有測時結果分散性大、測量精度受計數頻率的影響大等不足，創造性地把高速數據採集技術應用在超聲波流量、壓力測量上，用信號處理演算法求時差，使時差成為一個統計量，有效地克服了超聲波傳統時差法測量精度差、不能測量小管徑、低流速流體流量的缺點，提高了時差測量的解析度和精度。Ultrasonic blood flow detector
超聲血流探測器Ultrasonic flow dtector
超聲血流探測器At the same time width and blood flow velocity of liver artery in port of liver, width and blood flow velocity of portae vein, the number of blood cells in circulation had been measured. results after liver transplant, the volume of spleen decreased, the mean blood flow velocity of spleen vein and the number of blood cells in circulation increased
方法應用彩色多普勒超聲測量術前及術后第1 、 2及4周35例肝硬化合併脾亢病人脾臟的長徑、厚徑及脾門靜脈管徑、平均血流速度及峰值血流速度等並進行比較。The practice of doppler frequency - shift signal extraction in ultrasonic blood flow detector
多普勒頻移信號提取技術在超聲血流檢測中應用Ultrasonics - flow measurement systems - flow test object iec 61685 : 2001 ; german version en 61685 : 2001
超聲學.流量測量系統.流量試驗目標Doppler ultrasonic flow detector
多普勒超聲波流量檢測儀Ultrasonic flow measurement technology, which developed rapidly in recent several ten years, is a new - style flow measurement technology. it uses the liquid velocity information carried by the ultrasonic when it is propagating in the liquid to measure the flow of liquid. the main merits of the flowmeter is non - contact, high accuracy, wide measurement scope, convenience of installation and maintenance, especially acceptable for measurement of temporary flow, large flow, and flow in dangerous environment
超聲波流量測量技術是近幾十年來才發展起來的一種新型的流量測量技術，它利用超聲波在流體中傳播時所載流體的流速信息來測量流體流量，具有非接觸、高精度、測量范圍寬、安裝維護方便等特點，特別適用於臨時管道流量、大口徑管道流量、以及危險性流體流量的測量。Considering the development state and the existent demerits of the domestic ultrasonic flow measurement technology presently, the following several problems are mainly discussed and solved : 1
考慮到目前國內超聲波流量測量技術的發展現狀和存在的不足，著重討論和解決了以下兩個方面的問題： 1The paper introduces basic principle and realizing method of the ultrasonic flow measurement technology. on basis of absorbing and refering to the domestic and foreign advanced ultrasonic flow measurement technology, the intact system hardware is designed and the design idea of the system software is given
本文詳細介紹了超聲波流量測量技術的基本原理和實現方法，在借鑒和吸收國內外先進的超聲波流量測量技術的基礎上，設計出了完整的系統硬體，並且給出了系統軟體的設計思想。In recent ten years, on the basis of development of high - speed digital signal processor and microprocessor, on the basis of research for new - style probe material and technology, on the basis of research for acoustic channel configuration and flow mechanic, the ultrasonic flow measurement technology has obtained a great advancement, showing its strong technical advantage and becoming an important flow measurement technology
近10年來，基於高速數字信號的處理技術與微處理器技術的進步，基於新型探頭材料與工藝的研究，基於聲道配置及流體動力學的研究，超聲波流量測量技術取得了長足的進步，顯示了它強勁的技術優勢，成為一種重要的流量測量技術。分享友人