comparison tube 中文意思是什麼

comparison tube 解釋
比較目鏡
  • comparison : n. 1. 比較，對照；類似。2. 【語法】比較法；【修辭學】比喻。
  • tube : n 1 管，筒；顏料管。2 管狀地下隧道；〈口語〉（倫敦的）地下鐵道。3 【炮】炮身；【汽鍋】鍋管；【解...
  1. The comparison analysis of putting picc tube in basilic vein and cephalic vein

    置管的對比分析三等獎
  2. The comparison of the effect of the two methods for fastening the outer tube of tracheotomy

    氣管切開外套管固定帶方法改良的臨床效果觀察
  3. Analysis the force on the falsework by comparison to three calculation methods, referring the designing standard steel tube scaffold of buckling element, lattice column of steel frame and the computer program of sap2000. the result provides strong guidance for practicing it

    基於扣件式鋼管腳手架設計規范、鋼框架格構柱及sap2000程序等三種方法對胎架結構受力進行分析、比較，其結果對工程實踐有重要的指導作用。
  4. The performence simulation comparison of the automotive laminated and the band - tube evaporator

    汽車空調層疊式與管帶式蒸發器性能模擬分析比較
  5. An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded

    設計了一臺封閉式單管熱分離實驗裝置，對q 、 l 、 f 、 、激波吸收器等因素對熱分離機性能的影響進行了單因素實驗；對理論分析和實驗結果進行了比較，形成了較為系統的熱分離機製冷機理和峰值振蕩理論。
  6. In the thesis, plain tube and dac tube are studied through comparison and analysis of their experimental data

    本文對光滑管和dac雙側強化管的熱、質傳遞實驗數據進行了比較和分析。
  7. Abstract : current situation of domestic seamless steel tube industry is detailed, covering such aspects as production, marketing, mill plants and product category. based on a comparison of domestic situation to those in developed countries in terms of mill plant and production capacity and on the performances of the imported pipes, current problems of domestic seamless steel tube industry are analyzed, and accordingly countermoves like changing market ideas, technological creation and optimizing product mix, etc

    文摘:從產銷、機組和品種方面詳細介紹了我國無縫鋼管的生產現狀；對比發達國家的機組與生產能力以及我國進口管的情況，分析了我國無縫鋼管生產存在的問題，提出了更新市場觀念、搞技術創新、優化產品結構等對策。
  8. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  9. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  10. Carbon comparison tube

    定碳比色管
  11. This paper conducts a study of the influence of core concrete performance upon the stability factor of axially compressed medium long concrete - filled steel tube column on the basis of comparison of the axial compression test results of long column made up of common concrete filled steel tube and medium long column made up of lightweight aggregate concrete - filled steel tube, and in accordance with analysis of the constitutive relation curves between both the common and lightweight aggregate concrete

    摘要通過對鋼管普通混凝土長柱和鋼管輕集料混凝土中長柱的軸壓試驗結果的比較，結合對普通混凝土和輕集料混凝土的本構關系曲線的分析，研究了核心混凝土性能對鋼管混凝土軸壓中長柱穩定系數的影響。
  12. The characteristics and requitements of the seal of vessel stem tube shaft is introduced and structural form and actual effect of packing seal of vessel stem tube shaft is analyzed, based on comparison, test and screening of seal packing materials, two braiding forms of synthetic fiber compounded packing arc adopted and are tested in real vessels, and good sealing effect is obtained

    摘要介紹了艦船艉軸密封的特點和要求，分析了艦船艉軸填料密封的結構形式和實效，在比較、試驗和篩選密封填料材料的基礎上，採用了兩種編織形式的合成纖維復合填料，並通過實船試驗，取得了良好的密封效果。
  13. By the experiment of tension and torsion test of thin walled tube on mts, the experimental strain increment was obtained and compared with theoretical strain increment which obtained by simulation with m value 2 and the identified m value. the results of comparison validated the correctness of identified m and deformation control method using the identified m

    本文在mts實驗機上進行了薄壁管拉扭實驗，首先進行了識別材料物性參數m值的實驗，通過實驗中各階段的實際應變增量值與m值識別前後計算所得理論應變增量值的比較，驗證了識別所得m值的正確性以及根據識別所得m值進行應變控制可行性。
  14. Many factors are considered in the study of the nonlinear buckling bearing capacities of the representative concrete filled circular and square steel tube columns, these factors include the sectional form, the slenderness ratio, the steel ratio, and the eccentricity ratio. the comparison between the test and calculating results shows that they have a good agreement. in theoretical investigation of the time - dependent behaviour of cft specimens, based on the three - dimensional viscoelastic theory, this paper proposed the three - dimensional finite element model of creep of core concrete, in which a linear three parameters visoelastic model was adopted

    在對鋼管混凝土構件極限承載力的分析計算中，本文提出了核心混凝土的三維非線性應力?應變全量和增量本構關系模型，採用完全的拉格朗日表述來考慮與變形歷史有關的大變形問題，並對長細比、含鋼率和偏心率在較大范圍內變化的方、圓鋼管混凝土構件的非線性屈曲承載力分別進行了試驗和理論對比分析研究，結果表明二者符合較好。
  15. At the same time, in coordination with the analysis and the study based on the test on site, the comparison of theory result with field measurements has been taken, as well as the comparison of frame - tube with single wall interaction behaviors

    同時，結合現場原位實測研究及分析，進行了理論計算結果與現場實測結果的對比以及整體結構和單片墻結構共同工作性狀的對比。
  16. Thirdly, cbt ' s characteristic of the strain v. s. the applied pressure is studied, on the basis of this, a new scheme of the straight bourdon tube ( sbt ) is presented, a sbt is designed and fabricated, and then the strain - pressure characteristics of both the cbt and sbt are measured experimentally using a strain measuring technique, a comparison between the cbt ' s and sbt ' s strain characteristics is also made. finally, theoretical models of a fbg fluid pressure sensing system scheme based on the bourdon tube are developed, and a fbg - based fluid pressure sensing system using the transverse strain - pressure characteristic of the sbt is designed and set up

    首先，詳細介紹了fbg的基本光學傳感特性，並測量了fbg的溫度、應變特性；其次，研究了c型彈簧管的位移?壓力特性，並利用ccd成像和計算機圖像處理技術對其進行了非接觸測量；再次，研究了c型彈簧管的應變?壓力特性，在此基礎上提出直彈簧管的設計方案，並製作了直彈簧管，採用應變測量技術對c型彈簧管和直彈簧管的應變?壓力特性分別進行了測量，對兩者的應變特性做了比較；最後，建立了基於彈簧管的fbg壓力傳感系統理論模型，設計完成了基於直彈簧管橫向應變?壓力特性的fbg流體壓力傳感系統。
  17. The results of comparison and analysis show that the dac tube surpasses the plain tube on the aspects of not only heat transfer but also mass transfer

    實驗表明， dac強化管無論是在傳熱方面還是在傳質方面，均明顯優于光滑管，是一種高效的傳熱傳質加強管。
  18. Furthermore by the experiment of tension and torsion test of thin walled tube on mts equipment, the experimental strain path was obtained and compared with target strain path. the results of comparison validated the correctness of the approach of controlling deformation path

    其次，在正確識別材料物性參數m值的基礎上進行了應變路徑控制實驗，通過實驗過程中的實際應變路徑與想要得到的目標應變路徑的比較，驗證了在正確識別材料物性參數前提下，基於數值模擬和神經網路的應變路徑控制方法的正確性。
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