field rod 中文意思是什麼

field rod 解釋
標桿
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • rod : ROD ＝rewritable optical disc 【計算機】可重寫光盤〈其內存信息可由激光讀出並加以編輯的光盤〉。n 1...
  1. The magnetostriction of bonded tb03dy07fe2 rod composites is 580x 10 " 6 at a field of 200 ka / m, and the magneto - mechanical coupling coefficient is 0. 40 at a bias field of 118 ka / m

    相對而言制備工藝參數對合金的電阻率和抗壓強度影響較小，其電阻率等於熔煉法制備的材料的電阻率的10000倍左右，抗壓強度約為150mpa 。
  2. Field application of qbzc - 25 28 polish rod sealer

    28光桿密封器的現場應用效果評價
  3. At 20 space charge in frp rod materials increases with increasing of field strength or high voltage application duration

    20下芯棒材料中空間電荷的積累隨電場增大、電壓作用時間的增加而增加。
  4. Space charge properties of frp rod materials are influenced by temperature, field strength and high voltage application duration

    結果表明，在高壓直流電場作用下，芯棒材料內部積累的空間電荷的極性和密度受到溫度、電場強度和電場作用時間等因素的影響。
  5. When the new ipr is used to direct the design of suction parameters of rod pumping wells, the oil wells can run at the reasonably flowing pressure and the maximal liquid output, which is of important significance to raising economic effects of low permeability oil field

    應用新型油井流入特性曲線指導油井抽汲參數設計，確保油井在合理流壓下生產，可以實現油井產量最大化，提高低滲透油田開發的經濟效益。
  6. This paper, firstly, introduces some basic nondestructive tests, shows the background of the subject about the test for the defect of sucker rod, by comparing with the other nondestructive tests, proves the advantage of eddy - current test, then beginning with maxwell equation in electromagnetic field theory and combining with the idea model of defect, this paper proves that the feasibility of eddy - current test technology in multi - parameter and multi - frequency which applied in the test for for the defect of sucker rod

    本文首先介紹了無損檢測技術的幾種典型方法，並給出了抽油桿裂紋檢測這個課題的背景，通過同其它幾種無損檢測技術的比較，給出了電渦流技術的優越性。然後從電磁場理論中的麥克斯韋方程出發，結合裂紋的理想模型，從理論上證明了電渦流多頻率多參數檢測技術在抽油桿裂紋檢測中的可行性。
  7. According to the mean field theory which is based on the phenomenological theory of ferromagnetism, using the conception of effective magnetic field, an effective magnetic field expression for ferromagnetism rod affected by stress in the geomagnetic field is derived

    基於鐵磁性的唯像理論，根據分子場理論，利用有效場的概念，得到了地磁場中受應力作用的鐵磁桿件的有效場表達式。
  8. The three dimensional flow field of the step cylinder in hydraulic control rod driving system ( hcrds ) is calculated and analyzed with the computational fluid dynamics program cfx5 in detail

    摘要應用計算流體力學程序cfx5對水力驅動控制棒步進缸內部的三維流場進行了計算和分析。
  9. The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  10. Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展，主要介紹磁偶極子，有限長磁偶極線和極帶，磁粉顆粒的受力，磁化場方向對磁粉顯現缺陷的影響，棒料、管材和方鋼的縱向磁化，工件表面溝槽深度對其引起漏磁場的影響，周向磁化時工件底棱上的雜亂顯示成因，圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  11. Through calculation on varied parameter, a group of suitable parameter is found out. the results of experiments indicate that the theoretical analysis to the magnetic field of the magnetic structure is proper. to remove the result error come from the change of gap between piston rod and sensor, a signal processing method accompanied with machine learning process is researched

    為消除傳感器與磁性標尺之間間隙變化對測量結果的干擾，將示教學習方法引入行程傳感液壓缸的信號處理過程，並使用改進的遺傳演算法解決自學習過程中周期曲線的擬合問題，提出了雙傳感器軸向直線布置方法和基於自學習過程的信號處理方法，通過實驗，達到了顯示精度0 . 01mm ，測量重復精度0 . 2mm的良好效果。
  12. Development and application of blowout hookup for polish rod breaking and dropout in rod - pumped well of high pour - point oil field

    高凝油油田抽油機井光桿斷脫防噴裝置的研製及應用
  13. So, with the reciprocal mass of this combinational equipment, the dynamic unbalance of the crank - connecting rod mechanism has the special status in the field of the unbalance theory

    由於有往復質量的影響，曲柄連桿機構不可能達到完全的平衡，有其特殊性，因此其理論在動平衡領域內佔有特殊地位。
  14. Sucker rod pumping is the most popular means of artificially lift in the oil fields. the performance of sucker rod pump has close relation to economic benefit of oil field

    抽油泵作為有桿泵抽油系統中的核心設備，其性能的好壞直接關繫到油田經濟效益的高低。
  15. The statistics on the measured data in a oil - field shows the submergence depth and discharge coefficient are very low, some key measures for improving discharge coefficient and sucker rod pump performance are presented ; the applications of discharge coefficient to practice are illustrated with examples

    通過對某具體油田區塊測試數據分析，指出該區塊油井存在沉沒度、排量系數低的現象，提出了提高抽油泵排量系數、改善工作性能的措施。舉例說明了排量系數計算在生產管理中的應用。
  16. A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed, and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted, sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it, corresponding deflection and analytic formula and distribution curve of stress are given, and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current, which is also analyzed and studied

    其中，採用圓形膜片式柔性結構作為超磁致伸縮微位移執行器的微位移傳遞、感知一體化機構，應用彈性力學中的薄板彎曲理論、有限元方法對其進行了設計、計算，並給出了相應的撓度和應力解析式及分佈曲線；應用電磁理論給出了超磁致伸縮棒內驅動磁場的測量原理及磁場感知功能的具體實現方法，並利用執行器的磁場感知功能對其驅動磁場進行了實際測量，得出了驅動磁場與線圈電流之間的關系，並對其進行了分析和研究；對執行器內部的電磁路和偏置磁路結構進行了設計計算與實驗研究，為了減小驅動線圈的發熱，對其形狀進行了優化設計。
  17. A ferromagnetism rod is chosen as sample which is often used in the experiment of materials mechanics, was placed in the earth magnetic field and was under the application of stress

    本論文以材料力學實驗中常用的鐵磁性桿件作為研究對象，將其放置於地磁場中，受到應力的作用。
  18. Adjustment in the field may be accomplished by sliding out and cutting the stem rod to the appropriate length

    現場調試可能需要將閥桿滑出，並對閥桿進行切割加工使其具有適當的長度。
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