螺環結構 的英文怎麼說

中文拼音 [luóhuánjiēgòu]
螺環結構 英文
spiral structure
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 結構 : 1 （各組成部分的搭配形式） structure; composition; construction; formation; constitution; fabric;...
  1. Observation of chromosome structure in allium cepa

    洋蔥染色體螺旋與放射環結構的電鏡觀察
  2. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。
  3. Cells only the chromatin or chromosomes are heavily stained, the other components are bleached. after the chromosomes are stained by nama - ur, we have observed that the highest order structure of chromosomes is helical ; while the secondary structure is radically folding. the dna fibres with a diameter of 2530 nm have radically folded into chromatid fibres in a diameter of approximately 250 nm

    染色體經dna特異染色后，觀察到其最高層次結構是螺旋的，而次級結構存在著放射環結構，即由直徑為2530 nm的dna纖絲放射狀折疊排列成約250 nm左右的染色單體絲染色單體絲進一步螺旋形成中期染色體結構。
  4. The ratio of cell body region was highest in mollusc, cellana toreuma 26. 18 %, neverita didyma 28. 13 %, mactra chinensis 27. 53 %. this may be the express in nervous system of mollusc with passive defense strategy, low motor ability and lack of developed sense organ, in environmental adaptation. the ratio of cell body region was lowest in crustacean, squilla oratorio 11. 43 %, gaetice depressus 15. 53 %

    結果發現，軟體動物神經元占神經節體積的比例最高（嫁（蟲戚） 、扁玉螺、中國蛤蜊分別為26 . 18 ， 28 . 13 ， 27 . 53 ） ，而且其比例要大於其他無脊椎動物，這可能正是軟體動物在適應環境過程中的被動防禦策略導致運動能力低下、特殊感官欠發達的身體結構模式在神經系統結構上的一種表現。
  5. Observation of chromosome structure in allium cepa cells by means of electron microscopy

    洋蔥染色體螺旋與放射環結構的電鏡觀察
  6. Body / bonnet joints on pacific valves are designed for rugged services with a more than adequate number of bonnet bolts

    美國太平洋閥門上的閥體/閥蓋連接結構適用於惡劣的應用環境，可配置足夠數量的閥蓋螺栓。
  7. For chitosan, when the concentration of chitosan is under 0. 1mg / ml, the structure of molecular chain can be observed by afm. at the same time, the refined structure of lyotropic liquid crystal of chitosan and the changes of structure were studied. films with liquid crystalline texture can be prepared from diluted solutions which concentration is lower than critical concentration of liquid crystal

    對于殼聚糖（ chitosan ） ，通過afm直接對殼聚糖進行分子結構水平的觀察研究，發現在濃度低於0 . 1mg ml的稀溶液中用afm可以清楚觀察到糖鏈間形成的環狀或螺旋結構，以及鏈內側枝繞合排列的樹枝狀結構，這種現象是由於糖鏈間和糖鏈內的氫鍵締合所致。
  8. In order to assure installation reliability and performance of guard against theft device in public or moving environment, we have creatively completed professional design, namely no demountable screws on the exterior, a built - in lock for guard against theft, and special installation way to meet the demand of reliable installation

    防盜設計為了克服在公共場所或運動環境下顯示設備的安裝可靠性和防盜性。我們全新設計了具有防盜防破壞功能的安裝結構，即整體外殼無可拆卸螺絲並通過暗鎖進行防盜，且採取橫移下落的方式滿足可靠性的安裝要求。
  9. Employing perturbation method and numerical simulation, we study the flow in rotating helical pipes including different rotations, different cross sections ( circular, elliptical, annular and square cross section ), and different geometrical structures

    採用攝動方法和數值計算方法，研究了處于多種旋轉狀態下、多種截面形狀（圓截面、橢圓截面、環形截面、矩形截面） 、不同幾何結構旋轉螺旋管道流動。
  10. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  11. This paper describes structure, working principle, application and key technologies of screw driven circular conveyor line

    摘要對螺旋驅動的環形輸送線系統結構、工作原理、使用效果及技術關鍵問題作了詳細介紹。
  12. The structural design and application for combination between the helical axial seal and floating - ring seal have been performed

    實現了螺旋密封與浮環密封相結合的結構設計及應用。
  13. To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking

    為確保灌注泵可靠工作，提出改進措施： （ 1 ）採用改型環形泵體降低葉輪的徑向力，減小軸封間隙，抑制泄漏； （ 2 ）採用背葉片降低葉片根部壓頭，獲得微壓，使軸封兩端承受較小壓差； （ 3 ）採用螺旋密封降低軸封兩端壓差，在保持微壓的同時避免出現負壓，密封效果更好； （ 4 ）採用反壓式填料密封結構，在很小的壓緊力下，即可保證密封； （ 5 ）採用具有潤滑功效的柔性石墨填料，即使發生軸封泄漏，進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。
  14. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  15. The method of torque - angle is adopted as the control method of the intelligent screw tightening machine on the basis of analyzing the excellence and deficiency of all kinds of control methods and taking practical situation into account. secondly, the design of the machinery of the tightening machine is explained in detail, almost all parts of the structure principle diagrams are given and an introduction of function of each part in the diagram is made concisely

    文章首先對螺紋擰緊的控制方法進行了探討，在分析各種方法優缺點和結合實際情況的基礎上採用扭矩轉角法為螺紋自動擰緊機的控制方法。然後，文章詳細地介紹了擰緊機的機構部分設計，給出了擰緊機的各部分的結構原理圖，並對原理圖中的各個環節的功能作了簡要介紹。
  16. The screw propeller which is used by ships abroad is one typical application of ejecting mode because it is easy to manufacture and install and is reliable. but it has many shortcomings such as inefficiency, large dimension and heavy weight. therefore, it is very difficult to apply the screw propeller to micro mobile robot in liquid

    螺旋漿推進器既具有容易加工、可靠性高和安裝簡便等優點，也具有能源效率低，結構尺寸和重量大，對環境擾動大，噪音大，起動、加速性能差以及運動靈活性能差等缺點，因此在把螺旋槳推進方式應用到微機器人上時存在許多困難，有必要研究採用其它推進方式的在液體中運動的微機器人。
  17. Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro and ring laser gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass

    光纖陀螺是一種先進的感測載體自轉角速度的測量儀，它利用固態的全光纖結構實現光學sagnac效應的量測，克服了機電陀螺及環形激光陀螺在構造上或因需要一定的高速度旋轉質量，導致動態性能及壽命的降低，或因諧振要求過于苛刻，使工藝復雜性及成本過高等一系列缺點，從而成為當今最具有競爭性的新型陀螺。
  18. Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass, and the laser gyro ' s fabrication technology complication and high cost caused by the rigid requirement of optical circuit resonation

    光纖陀螺是一種先進的測量載體絕對角速度的儀表，它利用固態的全光纖結構和sagnac效應來實現測量，克服了機電陀螺在構造上需要一定的高速度旋轉質量，導致動態性能及壽命的降低，或者環形激光陀螺因諧振要求過于苛刻，使工藝復雜性及成本過高等一系列缺點，從而成為當今最具有競爭性的新型陀螺。
  19. The robust structure of the load cell, which is manufactured from stainless steel, also allow it to be used in industrial atmospheres

    負載通過裝在圓柱形兩側的螺紋銷釘作用在元件上。這款由不銹鋼製造的緊湊結構的元件可以應用於工業環境。
  20. 1 research on the ipd methodology and its architecture the necessity to apply ipd method for integrated environment has been analyzed. ipd based on cax / dfx and integrating sequential process and concurrent process has become the leading way of complex product development. the principle of concurrent and integrated product development has been analyzed, which is a staged and helical evolutive process

    1集成產品開發的方法論與體系結構研究分析了集成環境下實現集成產品開發的必要性，指出以cax dfx集成為基礎、集串列與并行過程於一體的集成產品開發已經成為目前復雜產品開發的主要方式，分析了并行集成產品開發的基本原理，即集成產品開發是一個階段化、螺旋上升、信息逐步完善的過程。
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