coupling constant 中文意思是什麼

coupling constant 解釋
偶合常數
  • coupling : n. 聯結;交尾;【機械工程】管箍;聯結器;軸接;(火車的)車鉤,【電學】耦合。
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  1. The relations between piezoelectric characteristic such as piezoelectric constant, electromechanical coupling coefficient, mechanical quality factor, etc. and its components, granular diameter and manufacturing technology were studied

    研究壓電材料壓電常數、機電耦合系數、機械品質因數等特性與其組份、顆粒直徑及製作工藝過程之間的關系。
  2. So it can be used as both sensor component and driving component. pzt have better electromechanical coupling coefficient, piezoelectric constant, mechanical quality factor, curie temperature and stability, etc. so, pzt can be used widely in smart materials and structure

    與其它壓電陶瓷相比,鋯鈦酸壓電陶瓷( pzt )有較好的機電耦合系數、壓電常數、機械品質因數、居里溫度和穩定性等,因此, pzt能廣泛應用於智能材料結構中。
  3. But there is a main question that pvdf does not be in p phase with higher piezoelectric property, but be in other phases with lower or without piezoelectric property, thus, which can not improve distinctly piezoelectric constant d33, reduce notably dielectric spoilage ( tg5 ) and raise remarkably mechanical coupling factor ( kp ) of 0 - 3 pzt / pvdf piezoelectric composite, so these will restrict its development and application. in this paper, 0 - 3 pzt / pvdf piezoelectric composite will be prepared by room pressing - solidity, high - temperature - pressing and room - pressing techniques respectively

    由於這個壓電復合材料體系存在一個主要問題? pvdf在0 ? 3型pzt / pvdf壓電復合材料中通常不是以具有較強壓電性的相晶態形式呈現,多是以其它的相態存在,不能有效地提高0 ? 3型pzt / pvdf壓電復合材料的壓電常數d _ ( 33 ) 、降低介電損耗tg和增大機電耦合系數kp等壓電和介電性能,從而嚴重地制約它的發展和應用。
  4. In the second chapter, we divide the polaron into two kinds by the coupling constant. one is big polaron and the other is small polaron

    在第二章中,我們通過對耦合常數大小,把極化子劃分為大極化子和小極化子。
  5. From the aspect of the coupling action of geological and engineering conditions, this paper analyzes their influences on high slope stability. the result shows that constructional surface, lithology, slope angle and height are the most influential factors. provided that a slope angle in a stepped slope is constant, the slope stability is very sensitive to the height / width ratios of steps, and the best design for the slope is to make the height of each step no more than one - third of the total height and the height / width ratio between 1 : 0. 2 - 0. 3

    從地質與工程耦合作用出發,分析了地質因素和工程條件對高邊坡穩定性的影響,指出結構面、巖性以及坡角和坡高是邊坡穩定性的重要影響因素,在邊坡角一定的前提下臺階狀邊坡的臺階高寬比對邊坡穩定性影響山十分明顯,一般以每級臺階的高度不超過總坡高的1 / 3 ,高寬比在1 : 0 . 2 0 . 3之間為最佳設計。
  6. The loss will be decreased by using single - mode fiber or poledzation holding fiber in recent work we measured the verdet constant of the samples and tested the chederistic of magnetic - optical glass bare fibel then, we analyzc the resource of ermrs, which are coupling effect, stability of the light source, polarizers, defects of the magnetic - optical glass flber and coupling effects between different modes

    採用單模光纖或偏振保持光纖將降低損耗。論文測試了樣品的費爾德常數,研究了磁光玻璃裸光纖的偏振特性。分析了誤差的主要來源:耦合效果、光源的穩定性、偏振片對光路的影響、裸光纖自身缺點和模式耦合的影響。
  7. General type and load limiting type of constant filling fluid coupling. easy of dissolve plug

    普通型限矩型液力偶合器.易熔塞
  8. Five different structures are described : standard transformer coupling, parafeed, resistively loaded stage capacitively coupled to the output transformer, tube ( valve ) based constant current source load capacitively coupled to the output transformer, and solid state ( mos fet ) constant current source load capacitively coupled to the output transformer

    我們將討論五種不同的方式:標準變壓器耦合;旁饋耦合;電阻性負載電容性耦合至輸出變壓器;膽恆流源負載電容性耦合至輸出變壓器;以及晶體管恆流源負載電容性耦合至輸出變壓器。
  9. Spin - sin coupling constant

    核磁共振自旋
  10. The effects of the thickness, the interfacial coupling constant and the temperature on the hysteresis of the bilayer are investigated

    我們考察了薄膜厚度、界面耦合強度和溫度對鐵電雙層薄膜電滯回線的影響。
  11. Load limiting type of constant filling fluid coupling. test of type

    限矩型液力偶合器.型式試驗
  12. Load limiting type of constant filling fluid coupling. test of leave the factory

    限矩型液力偶合器.出廠試驗
  13. General type and load limiting type of constant filling fluid coupling. specification for casting impeller

    普通型限矩型液力偶合器.鑄造葉輪技術條件
  14. The advantage is that it can be used to directly calculate the real physics quantities in an economic way. in this way, we need n ' t perform the analytical continuation from the result in the itf. this new rule has the following property ; the vertex is only related with the coupling constant and independent of the orientation of the momenta, one half of the vertex components vanish

    它的優點在於能直接計算與實際物理相關的觀測量,不用象虛時溫度場論中做計算后再作解析延拓,使得計算得到一定的簡化,並具有如下特點:頂角函數只與耦合常數相關,獨立於外線動量方向,而且一半的分量為零。
  15. Here, through expanding the nonlinear coupling constant, we have discussed this mechanism. in addition, we find that the phase transition at high temperature in qhd - i model has been suppressed in zm model

    本文通過展開非線性耦合常數,並逐階求解進行分析,討論了這一改善的機制,並發現qhd i模型在高溫下的相變機制在zm模型中遭到了抑制
  16. The unfavorable factors contain complicated production technology and wayward product quality, etc. first of all, on the basis of analyzing performance index of 3 - layer pe anticorrosion, technological process and operational environment, this paper advances the synthetic control schemes that have constant compound control of temperature and feedback control of speed. considering the production process of the 3 - layer pe, because it is affected by colloidized time of fbe, relatively strong coupling exists between the temperature and speed. through the rational matching and simplifying of the variable, the system realizes uncoupling

    首先在分析三層pe防腐層性能指標、工藝過程及工況條件的基礎上,提出了溫度復合控制和速度反饋控制的綜合控制方案;考慮到三層pe生產過程中,由於受fbe膠化曲線的影響,溫度和速度之間存在較強的耦合,本方案通過合理的變量搭配,實現兩種變量的解耦;文中還依據傳熱理論、中頻感應理論等提出鋼管傳熱過程理論建模的方法,經實際驗證,表現出該方案和建模方法的科學性和實用性。
  17. A transverse secondary circulation is produced by the coupling of high and low jets, while the sinking branch of the secondary circulation providing the dynamic conditions for the dry intrusion air. during the period of the heavy rain process, dry intrusion descends southward along the intense constant potential temperature lines, which promotes the lower cyclone. in addition, the pouring of upper - level dry air not only decreases ground temperature behind the front but also increases surface pressure and velocity

    由於高、低空急流耦合,在高空急流中心左側產生的下沉運動和高空急流中心右側、低空急流左側產生的上升運動在鋒面上形成一次級環流,次級環流的下沉支運動為對流層高層干空氣和高位渦的下傳提供了動力條件;進一步研究發現,干侵入沿相當位溫密集帶向南向下伸展,引起對流層低層氣旋性渦度的發展;此外,高層乾冷空氣向下注入,導致地面溫度降低、氣壓升高、風速加大、低層輻合增強、上升速度加大,從而促進了新的對流運動,引起降水增強。
  18. So the value and distribution of the dielectric constant in erf change. in this paper the coupling between the microwave and erf was investigated

    在微波頻率為9g時,研究了納米二氧化鈦包覆高嶺土、鈦酸鋇以及釔摻雜鈦酸鋇三種電流變液的微波反射可調控特徵。
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