超聲波段 的英文怎麼說

中文拼音 [chāoshēngbōduàn]
超聲波段 英文
supersonic 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...
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  • 波段 : [電學] wave band; wave range; band; range; frequency range; frequency band
  1. 6 - phosphogluconate dehydrogenase ( 6 - pgadase, ec 1. 1. 1. 44 ) was isolated by homogenate, ammunium sulfate fractionation, deae - sepharose chromatography, blue - sepharose affinity chromatography and gel filtration with sephadex g - 200 from bacillus subtilis, and some properties of the enzyme had been studied. a 113. 8 - fold purification was obtained with a 8. 2 % yield. the purified enzyme moved as a single electrophoretic band in page

    將枯草芽孢桿菌超聲波破壁后的粗提取物進行分段鹽析、 deae - sepharose陰離子交換柱層析， blue - sepharosecl - 6b特異結合柱層析和sephadexg - 200凝膠過濾等純化步驟，得到聚丙烯酰胺凝膠電泳為單一蛋白區帶，比活為1 . 46u mg的酶制劑。
  2. The results of performance testing showed that the additive of nano - powders can evidently enhance the latex coatings " weathering resistance, scratch resistance, water resistance and alkaline resistance, and do not reduce other performances ; polybasic nano - composite powders have more efficient than single nano - powder ; the dispersing method have biggish effect on performances. observing the stability of nano - additive of exterior latex coating showed there was no viscidity rising, no delaminatiom sedimentation in two months. tryout by plant showed that nano - weatherability additive can obviously enhance the weathering resistance of latex coating and water resistance, and no reducing other capabilities

    對其性能研究的結果表明，納米粉體材料的引入，可以明顯提高乳膠漆的耐候性、耐洗刷性和耐水耐堿性能，對其它性能無不良影響；納米多元復合粉體比單一粉體的改性效果明顯；納米粉體的添加工藝對改性乳膠漆性能有較大的影響，採用同普通填料一致的添加方式制備的試樣與採用超聲波預分散后在配漆階段加入制備的試樣相比，後者在穩定性、耐候性等方面的性能都有所提高。
  3. By comparing with the velocity in normal person ' s shinbone, osteoporosis can be diagnosed conveniently

    與定量超聲波在正常脛骨中的傳播速度相比較，可以為骨質疏鬆癥提供便捷的診斷手段。
  4. And with the introduction of the modulus of elasticity from budiansky method, the general damage model of rock blasting is established in the paper. by use of the ultrasonic wave, rock damage and fracture mechanism and the fragmentation process during blasting are studied, and the theory presented in the paper has been proven

    運用超聲波等手段對巖石爆破損傷斷裂機理和破壞過程進行了試驗研究，分析了不同爆破條件下巖石內部微裂紋的擴展規律、損傷演化和巖石破碎規律，驗證了本文理論部分的正確性。
  5. This dissertation is about taking use of the merit of the traveling wave principle, exciting a traveling wave in a ring type stator with two tangential paths, generating the linear movement of the ultrasonic motor

    本文研究利用行波原理的優點，在具有兩個直線段的長環形結構中激勵出行波，使馬達產生直線運動的超聲波直線馬達。
  6. Echocardiograms are not appropriate as screening tests but are useful for evaluating suspected abnormalities of the heart valves or reduced overall heart function

    超聲波心動圖不宜作為一種篩檢試驗手段，但作為評估心瓣膜疑似反常或心臟功能衰減之手段，它仍有利用價值。
  7. Standard guide for data fields for computerized transfer of digital ultrasonic testing data

    數字超聲波測試數據的計算機傳送用數據段的標準指南
  8. System synthetically uses digital ultrasonic flaw detection technique, computer technique, auto control technology and constructs intact hardware system ; constructs software system including complete locomotive wheel - set graphics base, diagnosis document database, checkout result database and smart analysis module by investigation, summarization, test, theory analysis etc.

    為此，提出了機車輪對智能超聲波探傷系統的總體方案，該系統綜合利用數字超聲探傷技術、計算機技術、自動控制等技術，構成完善的硬體系統。通過調研、總結、試驗、理論分析等手段建立完善的機車輪對圖形庫、診斷文檔數據庫、檢驗結果數據庫及智能分析模塊等軟體系統。
  9. There are functions such as drawing the chart of amplitude - frequency and phase - frequency, calculating and displaying the highest peak value, the total sum of amplitude and the effective line - breadth of the signal in the program. so an effective technical means is supplied for the analysis of ultrasonic signal

    軟體系統具有幅頻圖及相頻圖的繪制、最高峰值、諧波系數及有效譜寬度的計算及顯示等功能，從而為超聲信號的頻譜分析提供了極其有效的技術手段。
  10. A three - dimensional - acoustic doppler velocimeter is used to measure the velocity components of the flow field in all three coordinate directions for different discharge and measurement site. the influence of measurement site and the depth / vegetation height ratio on the measured velocity profile and turbulence intensity and the renolds stress is analyzed. the characteristics of the measured velocity distributions and the results of the previous investigators are used to select an analytical expression for the shape of the velocity profile

    利用三維超聲波多普勒流速儀（ adv ）量測不同位置、不同流量下的瞬時流場。分析了測點位置和水深與植被高度比對時均流速分佈的影響。本文還給出了種樹段紊動強度及雷諾應力的垂線分佈。
  11. Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd

    測距雷達系統的控制和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ，由它對超聲波回波脈沖進行ad采樣后，計算目標距離並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ，由它對收發組件輸出的多普勒回波進行采樣，計算出目標運動速度后，送給輔助控制晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ，並且在液晶顯示器上顯示速度信息。
  12. Low intensity ultrasound combined with tissue engineering in repairing segmental defects of long bone

    低強度超聲波結合組織工程修復長骨節段性骨缺損
  13. This paper is taking model seismology theory as guidance, regards ultrasonic experimental method as major research means, and has made artificial crack and pore model according to physical model similar principle with various materials

    本文以模型地震學理論為指導，把超聲波實驗方法作為主要的研究手段，根據物理模型相似性原理，用多種材料製作了人工裂縫模型和孔洞模型。
  14. The dissertation presents the combined theoretical, numerical and experimental studies on the experimental modeling of the actuator, the design of test rig and control system, the modeling of two - dimensional airfoil aeroelastic system, the control design of active flutter suppression, and the effect of group delay in the digital filter on the stability of aeroelastic closed - loop system

    本文通過理論分析、數值模擬與風洞實驗相結合的方法，研究了超聲電機作動器建模、翼段顫振實驗裝置和控制系統設計、二維翼段氣動彈性系統建模、顫振抑制控制律設計以及數字濾波器群時延對顫振抑制閉環系統穩定性影響等問題。
  15. Analytical results proves the existence of the two needed bend standing wave which generate traveling wave in the ring - type structure with two linear portions, and also confirms the existence of traveling wave through the harmony response analysis

    採用有限元方法對帶有兩個直線段的超聲波直線馬達進行了分析，分析結果表明長環型結構上存在著產生行波所需的兩個彎曲駐波。
  16. Conclusions ultrasonography is important in diagnosis of the fetal abnormalities

    結論超聲波是診斷胎兒畸形重要手段。
  17. In this paper 7 new measures now used in foreign countries to prevent formation damage are introduced, such as applying new clay stabilizer of low polymer to low permeable formation, and supersonic wave to control formation damage

    本文介紹了國外現階段所採取的用低聚合物新型粘土穩定劑處理低滲透地層，用超聲波解除地層損害等7種防治地層損害新措施。
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