相對尺寸 的英文怎麼說

中文拼音 [xiāngduìchǐcùn]
相對尺寸 英文
relative dimension
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 尺名詞[音樂] (中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」) a note of the scale in ...
  • : Ⅰ量詞(長度單位) cun a unit of length (=1/3 decimetre)Ⅱ形容詞(極短或極小) very little; very ...
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. The near - stoichiometri litao3 has excellent speciality, such as high efficient conversion, tune conveniency, biger size and high damnify value etc. in this dissertation, the theory of quasi - phase - matched ( qpm ) technology and optical parametric oscillation ( opo ) was expatiated and studied first

    近化學計量比litao3 ( slt )晶體在做參量振蕩方面具有轉換效率高、調諧方便、大、損傷閾值高等非常好的特性。本文首先位匹配技術和光學參量震蕩器的理論進行了闡述和分析。
  2. The desensitized explosive petn film was prepared by physical vapour deposition ( pvd ) technology, and sem was used to analyze the microstructure and grain size of petn film

    摘要採用物理氣沉積( pvd )技術研製了鈍化太安炸藥薄膜,薄膜的微觀結構和顆粒粒度進行了分析,顆粒粒度與薄膜爆轟波穩定傳播臨界的關系進行了探索。
  3. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢測技術的基礎之上,提出了一種雙向激光掃描檢測系統,其採用激光掃描檢測技術與特殊光學系統結合,用準直半導體激光掃描光束被測工件徑向某一截面的兩個互垂直方向同時掃描,經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統,將攜帶有垂直方向被測量信息的光束進行處理,實現了回轉體工件同一截面兩個垂直方向的徑向和橢圓度等參數的非接觸自動測量,解決了同時非接觸測量回轉體零件同一截面兩個徑向的難題,它具有高速,高精度和非接觸自動測量等特點。
  4. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針高分子絮凝黃河泥沙,絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和分佈的變化過程;絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  5. The properties of cavity sandwith panel infill steel frame, such as hysteresis characteristics, stiffness, ducfility, failure models and characteristic of dissipation of energgy were gained in the test and compared with ordinary steel frame. the properties of cavity sandwith panel infill is abtained as well. 2

    通過試驗得出了空腔砌塊復合墻體鋼框架在低周往復荷載作用下的p -滯回性能、剛度關系、延性系數、破壞形式及耗能性能等特性,並與的一榀純框架的關特性作了比分析。
  6. On the base of keeping the same law of motion of original thread - taking - up pole of computerized embroidery machine and relevant sizes, the cam mechanism with offset flat - bottomed follower is adopted and a new thread - taking - up mechanism is designed

    摘要在保持原有電腦刺繡機挑線桿運動規律和不變的基礎上,採用偏置平底推桿盤形凸輪機構,原挑線機構進行了創新設計。
  7. On the base of keeping the same law of motion of original thread - taking - up pole of computerized embroidery machine and relevant sizes, the disc cam with pushing bar of roller of linear motion along the axis with the spring force closure is used to design a new thread - taking - up mechanism

    摘要保持原有電腦刺繡機挑線桿運動規律和不變,採用心直動滾子推桿盤形凸輪機構,輔以彈簧力進行鎖合,原挑線機構進行了創新設計。
  8. Through the comparative text of the four reinforced concrete frames braced with the eccentric steel, which have the same shapes, materials, dimension and the different brace form, several parameters of these frame behavior, such as side stiffness, limit load and energy consume ability, were studied. the limit state of these frames were analyzed

    本文通過四榀具有同一外形及配筋而具有不同型式的偏心角鋼支撐的鋼筋砼框架和一榀及配筋的鋼筋砼框架的比性試驗,研究了上述結構的抗側剛度、極限承載力及結構的耗能等各項指標,探討了偏心角鋼支撐鋼筋砼框架結構的受力特點,並其極限狀態進行了理論上的分析。
  9. Considering the influence of damping winding and if core is saturated or not, the no - loading emf waveform of a conventional generator having the same size with the prototype ( except the stator slot ) is analyzed, and the waveform deviation factor is taken out

    一臺具有與電力發生器樣機(除定子槽形)傳統發電機的空載電勢波形進行了分析。分析了不考慮鐵心飽和、考慮阻尼繞組影響和考慮鐵心飽和、考慮阻尼繞組影響兩種情況下,它的空載感應電勢,求取了空載電勢波形畸變率。
  10. According to the no - loading waveform deviation factor, the prototype conforms to the national design standard and practical needs in the engineering. more important, the high voltage is achieved. in the condition of considering core saturation and damping winding influence, the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator, and the waveform deviation factor of the former is smaller, too

    由求得的樣機空載電勢波形畸變率可知,該樣機滿足國家設計標準和工程實用要求,更重要的是,實現了產生高壓的目的;考慮鐵心飽和、考慮阻尼繞組影響情況時,電力發生器與具有(除定子槽形)的傳統發電機比,空載齒諧波電勢電力發生器的影響較小,前者的空載波形畸變率較小。
  11. Optical triangulation method was used to measure geometrical dimension parameters by laser displacement sensor scanning. both laser displacement sensor scanning and image processing technology were used to measure failure parameters. the detecting results of parameters of wheel set met the requirements of vehicle maintaining

    參數是利用基於激光三角法測量原理的激光位移傳感器來檢測,踏面缺陷參數的測量是利用激光位移傳感器和圖像處理結合的方法來檢測,其測量精度達到車輛段修要求的技術指標。
  12. Industrial - process control valves - part 3 - 3 : dimensions - end - to - end dimensions for buttweld, two - way, globe - type, straight pattern control valves

    工業過程式控制制閥.第3 - 3部分:.接焊的雙通球形直型控制閥的首尾
  13. Aim at the status of design of aeroengine casing parts almost without using parametric methods, an improved method is proposed which can deal with the relationship of associated dimension of geometry elements in the parts. a new method can embed the geometry elements in a sketch into another sketch so that the model of the casing parts is parametric and can be modified conveniently

    航空企業設計機匣零件參數化程度不高的現狀,提出了改進方法,注重機匣零件之間的關系處理,提出了草圖特徵嵌入草圖的新方法,提高了參數化程度,使得模型具有較好的可修改性。
  14. 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,該結構是換熱器管子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個角管子套上螺旋折流片后形成的通道,利用fluent軟體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
  15. 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,該結構是換熱器管子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個角管子套上螺旋折流片后形成的通道,利用fluent軟體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
  16. The characteristics for this type of heat exchanger are various standards, different shapes, multi - usefulness, completed specifications and same structure but large changing range of sizes for same series. by means of developing the database and drawing libraries, parameterized designing of pipe group units, the cad system for floating - end heat exchanger was developed base on the theory of fixed patterns with flexible sizes

    本文針浮頭式換熱器規格品種繁多、形式各異、使用廣泛、產品設計標準完善、同系列產品圖形結構同、變化跨度大的特點,通過數據庫和圖庫的開發、管束組件的參數化設計,運用「死圖活」的開發理念,研究和開發了浮頭式換熱器輔助設計系統。
  17. In strained - si pmosfet with si0. 76ge0. 24 substrate, the mobility enhancement factor is 1. 25. however, as the ge content in sige substrate surpasses 40 %, the mobility enhancement in strained si pmosfet becomes saturated

    于襯底中ge含量為24 %的應變硅pmosfet ,空穴遷移率是硅pmosfet的1 . 25倍,當ge含量超過40 %時,空穴遷移率達到飽和。
  18. The improved finite model, calibrated by comparing the test data and the results of numerical calculation, can deal with the factors such as welding, contact and pretension

    利用現有的有限元分析軟體ansys兩個與實際試驗試件具有的模型進行了計算,校正了有限元模型分析所應用的參數。
  19. Based on experimental research and theoretical analysis, investigations on the new type of joint are made systematically, the main contents and results include the following items. 1 four specimens of new joints between cfrt columns and steel beams are designed. by low - cyclic reversed load test, skeleton curves of new joints and shearing deformation in joint core area are studied, the influence of parameters, such as concrete cores, length of stiffener, and relative dimensions of column and beam, is discussed

    本文在分析現有節點方案特點的基礎上,提出了角鋼加勁式節點方案,並採用試驗和理論分析結合的方法,這種新型節點進行了系統研究,主要研究內容與成果如下: (一)設計了4個新型方鋼管混凝土柱?鋼梁節點的試件,通過新型節點的低周反復荷載試驗,研究了新型節點的骨架曲線和節點核心區剪切變形等,探討了內填混凝土、加勁肋長度和樑柱相對尺寸節點抗震性能影響。
  20. Larger sizes relative scale

    較大的
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