超聲波范圍 的英文怎麼說

中文拼音 [chāoshēngbōfànwéi]
超聲波范圍 英文
ultrasonic frequency range
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 范 : 名詞1 [書面語] （模子） pattern; mould; matrix 2 （模範; 榜樣） model; example 3 （范圍） boundar...
  • 圍 : Ⅰ動詞1 （四周攔擋起來 使裡外不通; 環繞） enclose; surround; corral 2 （繞; 裹） wrap Ⅱ名詞1 （四...
  • 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
  1. The iatrical ultrasonic is about 1 - 15mhz at present, which generated by piezoelectricity crystal at the function of alternant electric field

    目前，醫用超聲波的范圍多在1 15mhz ，是由壓電晶體在交變電場作用下發生機械振動而產生。
  2. Non - destructive testing - ultrasonic examination - sensitivity and range setting

    無損檢驗.超聲波檢驗.靈敏性和范圍設定
  3. Non - destructive testing - ultrasonic examination - part 2 : sensitivity and range setting

    無損檢驗.超聲波檢驗.第2部分:敏感性和范圍設定
  4. Supersonic test for the wall rocks loose zone of chamber and tunnel

    硐室巷道圍巖鬆弛范圍的超聲波測試
  5. The ultrasonic sensor produces a data carrier utilizing very high frequencies that are outside the human ' s audible range

    超聲波傳感器利用高頻的聲波傳輸數據，該聲波在人的聲波范圍以外。
  6. The principle of multi - method and multi - parameter is suggested, which should be followed during characterizing microstructures of alloy steels by ultrasonic not method. ultrasonic velocity ( c, ) of transformation products through different heat processes of three steels was measured by high - accuracy ultrasonic installation. the velocity of quenched microstructure of 38crmoal is the lowest, which gradually increases with increasing tempering temperature between 200 ? and 650 ? after quenching process

    利用ti - 40n高精度超聲波測厚儀，研究了超聲波在不同鋼種、不同熱處理轉變產物中的超聲波速度c _ 1 : 38crmoal鋼淬火組織c _ 1最小，淬火后在200 650范圍內進行回火處理時，隨回火溫度的升高， c _ 1逐漸升高， hrc與c _ 1之間具有較好的相關性；正火組織的c _ 1介於淬火后中溫回火及高溫回火產物組織的c _ 1之間。
  7. When the undercooling goes beyond the coupled zone, it is found that the ( pb ) dendrites in the acoustically levitated drops can also appear in the top of the drops and the gravitational macrosegregation is effectively suppressed, which may be caused by the ultrasound and complicated fluid flow inside the drops

    發現在小過冷范圍內，由於超聲波的攪拌作用層片共晶組織發生碎斷現象；在大過冷情況下，超聲波可以有效地抑制宏觀偏析的發生。
  8. The frequency analysis results show conclusions as follows : 1. the relative valid spectral power is declined with the volume percentage of inclusions in terms of exponent curve and the tendency of negative direction is same to that of forward direction

    當ly12鋁合金細小夾雜物（小於0 . 16mm ）的體積百分數從0 0 . 35時，在35 50mhz的頻帶范圍內，超聲波形的有效譜功率按近似指數曲線快速下降，沿相反方向檢測時其變換趨勢相同。
  9. This paper introduces the demarcation methods of icing sensors, including method of caliper, the method of ultrasonic and method of photograph

    介紹國內外的結冰傳感器標定方法，包括卡尺法、超聲波法和攝像法等，列出並比較了各種方法的優缺點和應用范圍。
  10. Specification for measurement and characterisation of ultrasonic fields using hydrophones in the frequency range 0. 5 mhz to 15 mhz

    採用頻率范圍為0 . 5mhz至15mhz的水珍器的超聲波場測量和特性規范
  11. Ultrasonic distance measurement belongs to the category of uncontact measurement. in the condition it has advantage which contact measure does n ' t has contrasting with uncontact measurement. ultrasonic measure is not influenced by rays of light in the range, and has simple struture, and cost cheaply cotrasting to other uncontract measurement such as laser measurement, rared ray easurement, radio measurement

    超聲波測距屬于非接觸檢測的范疇，它在許多場合有接觸測量不可比擬的優越性，同時與激光、紅外、無線電等其它非接觸性檢測相比，超聲檢測在一定距離范圍內不受光線影響、結構簡單、成本低等特點。
  12. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。
  13. Design : we studied 85 male mountain bikers ( mean age : 25 years ; range 17 - 45 years ) and 50 male on - road cyclists ( mean age : 23 years, range 15 - 46 years ) with regard to scrotal findings on ultrasound ( us )

    方法：調查85名男性山地車手平均25歲，范圍17 - 45歲，和50名男性公路車手，平均23隨范圍15 - 46歲，用超聲波探測他們的小弟弟。
  14. These ultrasonic oscillations may be continuous, but in most cases they are short bursts of ultrasonic energy, stimulated by various amplitude peaks of the audible signal, and dying out quickly, but recurring frequently

    這些超聲波震蕩可能是連續的，但大多數情況下，它是由可聽范圍信號電平的不同峰值激勵產生的一些超聲能量的短脈沖，很快消退但頻繁的出現。
  15. Through the experiments of powder suspending liquid centrifugal stability 、 temperature 、 quality and absorbency, this paper researched the effect of ultrasound on dispersing capability of nano - tio2, and got the optimum ultrasound dispersing condition of nano - tio2 suspending liquid in definite extension

    摘要通過對粉體懸浮液的離心穩定性、溫度和質量變化、吸光度的變化進行實驗，本文研究了超聲波對納米二氧化鈦分散性能的影響，並在一定的實驗范圍內，得出納米二氧化鈦粉體懸浮液的最佳超聲分散條件。
  16. 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。
  17. Ultrasonics - hydrophones - characteristics and calibration in the frequency range from 15 mhz to 40 mhz

    超聲波學.水聽器. 15mhz - 40mhz頻率范圍內的特性和校準
  18. Ultrasonics. physiotherapy systems. performance requirements and methods of measurement in the frequency range 0, 5 mhz to 5 mhz

    超聲波學.物理治療系統. 0 . 5mhz 5mhz頻率范圍的性能要求和測量方法
  19. Ultrasonics - physiotherapy systems - performance requirements and methods of measurement in the frequency range 0. 5 mhz to 5 mhz

    超聲波學.物理治療系統.頻率在0 . 5mhz和5mhz范圍內的測量方法和性能要求
  20. Ultrasonics - physiotherapy systems - performance requirements and methods of measurement in the frequency range 0, 5 mhz to 5 mhz

    超聲波學.物理治療系統.頻率在0 . 5mhz到5mhz范圍內的測量方法和性能要求
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