環結構 的英文怎麼說

中文拼音 [huánjiēgòu]
環結構 英文
ring structure
  • 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. In dna, four different bases are found. two of these, adenine and guanine, are double-ring structures called purines.

    在DNA中，有四種不同的基，其中的兩個為腺嘌呤和鳥嘌呤，即稱為嘌呤的雙環結構。
  2. 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
  3. Dna specific staining ; namaur method ; chromosome structure ; allium cepa

    Dna特異染色nama - ur方法放射環結構洋蔥染色體
  4. In dna, four different bases are found. two of these, adenine and guanine, are double - ring structures called purines

    在dna中，有四種不同的基，其中的兩個為腺嘌呤和鳥嘌呤，即稱為嘌呤的雙環結構。
  5. The resulting 30 - membered ring structure produces an oval projection when viewed parallel to the b axis

    沿平行於b軸的方向上生成了一個奇特的30元環結構。
  6. Purine a simple nitrogenous organic molecule with a double - ring structure ? a 6 - membered pyrimidine ring fused to a 5 - membered imidazole ring

    嘌呤：一種簡單的含氮有機分子，具一個雙環結構? ?六元嘧啶環融合成一個五元咪唑環。
  7. 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。
  8. The other two, thymine and cytosine, are single ring structures called pyrimidines.

    另兩個為胸腺嘧啶和胞嘧啶，即稱為嘧啶的單環結構。
  9. Some of the nebulae exhibit a set of concentric rings like bull ' s - eyes, possibly indicating that the ejection process was episodic rather than continuous

    有些星雲顯露出一組圓形標靶般的同心環結構，可能暗示噴發氣殼的過程並不連貫。
  10. 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
  11. Here a low cost optimal position system with speed - loop open and position - loop closed based on fuzzy control is presented, it employs fuzzy controller to verdict rotor velocity approximately and a fuzzy switching curve is substituted for real one to achieve bang - bang switch, no limit - loop or oscillation occurs. at the end of this chapter, a dc break curve is discussed

    為了實現經濟實用的點對點快速定位系統，實際系統採用速度開環、位置閉環結構，速度量從模糊控制器得到，既不實測也不軟體估計，用模糊開關線代替真實開關線進行控制量狀態切換，無極限環或振蕩現象，而成本則大大降低。
  12. Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc

    本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。
  13. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas

    該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到，為了便於比較，我們首先研究了空氣介質的皺褶圓環結構軟表面天線，用fdtd方法並結合pml吸收邊界條件對該天線的性能進行了研究，結果表明天線的帶寬增加，天線的軸對稱性得到了很大改善， e面和h面方向圖的波束幾乎重合，天線的旁瓣和背瓣受到很大的抑制。
  14. After a series of reactions, an ester which is a derivative of ferrocene is obtained, then using the ester react with 1, 8 - naphthalenediamme, o - m -, p - phenyleiiediamine, ethylenediamine and 4. 4 ' - - biphenyldiamine respectively, polymer ( i ) ( ii ) ( iii ) ( iv ) ( v ) and polymer ( vi ) are obtained at the final part, we have discussed in brief the general properties of polymer ( i ) - { vi ) and analyzed systematically hnmr ir spectrum tg - dt diagram and molecular weight distribution of these polymers

    簡要討論了聚合物（ i ）一（ vi ）的一般性質，對聚合物的核磁共振譜、紅外光譜、 t （卜刃t圖以及分子量分佈進行了系統研究。本文對聚合物（ i ） 、 （ 111 ）和（硯）的核磁共振譜和紅外光譜進行了分析，研究結果表明:聚合物中的援基上的氧原子能與芳胺上的氫原子形成分子內氫鍵，使聚合物的分子內出現了一個平面六元環結構，並山于分子內氫鍵的存在
  15. Analysis of gas temperature radial distribution in neh2cubr laser discharge tube with diaphragms

    隔環結構的neh2cubr激光放電管氣體溫度徑向分佈
  16. Through the study with non - linearity friction on simulation model of the stabilized system, in theory the analysis of the angular acceleration loop ' s contribution is given. in testing platform, the measure devices of angular acceleration and velocity constitute the double loops, they are angular acceleration loop and angular velocity loop. and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing

    最後，本文在理論上分析角加速度環對隔離度的貢獻；通過對含有非線性摩擦力矩的平臺穩定系統模擬模型的研究，從理論上驗證角加速度環具有克服摩擦力矩的能力；在實驗轉臺上加入由線加速度計構成的角加速度測量裝置，並與測速機構成角加速度環、角速度環雙環結構，驗證了角加速度環對電機換向誤差的消除作用。
  17. The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other

    當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時，剪切層對其有選擇放大作用，形成渦環結構，剪切流動中渦環與碰撞壁撞擊，在碰撞區域產生壓力擾動波並向上游反射，在上游剪切層分離處誘發新的擾動的產生，當新擾動與原擾動匹配時，射流上游就被不斷地受到周期性激勵，腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。
  18. The control of nine - point controller is a special structure, with the error signals not entering into the control passageway

    九點控制器的控制結構是一種特殊的閉環結構。
  19. Due to the special control structure of nine - point controller, the adjustment of control method is easier than customary control system

    九點控制器特殊的開閉環結構使其在控制非線性系統的時候具有結構上的優越性。
  20. The shape of the magnetic field is similar to the shape of the double - loop - model proposed by us

    磁力線的這種位形與雙環結構符合得較好。
分享友人
分享到 Line

分享到臉書