erf 中文意思是什麼

erf 解釋
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  1. The study indicates that erf couplings could be conveniently controlled, intermittent rotation could be easily obtained. it is expected that the erf coupling could be used in flexible transmission systems

    實驗結果表明電流變液具有很好的控制性能，可以很方便實現旋轉運動的間歇進給，並且輸入和輸出之間是柔性連接，可以應用於柔性旋轉間歇運動機構。
  2. We considered the frequency chosen character of erf and its modulatory ability may be owe to the coupling of microwave and the polaritons. at the same time there may be other coupling effect and excitation too

    初步認為頻率選擇性及透過強度可調控性與電流變液和微波之間的相互作用導致的極化激元之間的禍合有關。
  3. Proceed from structural design of the device, study on change the form of transmission discs in order to raise the transmission torque of electrorheological fluids ( erf )

    摘要從機構結構設計的角度出發，對通過改變傳動盤電極表面形狀，以提高電流變效應傳遞力矩進行了研究。
  4. By using a cell equivalent method, the present model can deal with the face - center square structure of erf. combining the scheme of the classical conductivity model for the single - chain structure, a new formula for the prediction of the shear yield stress of erf is set up. the influences of the separation distance of the particles, the volume fraction of the particles and the applied electric field on the shear yield stress are investigated

    在電導模型的基礎上，建立在電流變液體在外加電場的作用下，粒子之間會形成某種特定的微觀結構，利用等效胞元的方法，將這微觀結構等效成一個平板，建立了等效的微觀結構平板模型，通過計算電流變液體內部的局部電場，對電流變液體的工作機理和剪切屈服應力進行了預測，並且分別考慮了在不同的粒子間距、不同的粒子濃度、不同的外加電場的情況下，對剪切屈服應力的影響。
  5. The response of the erf coupling to a pulsed high voltage electric field was also studied

    本文另外研究了電流變液聯軸器對脈沖高壓電場的響應。
  6. Erf early reflection

    早期反射聲
  7. The compositions of the electrorheological fluids, the progress of the electrorheological materials, the dominating effects on the electrorheological effect and the progress of the application of erf are summarized

    本文綜述了電流變液體的組成、電流變材料的研究進展、影響電流變效應的主要因素以及電流變液體研究的應用進展。
  8. Electrorheological fluids ( erf ) consists of a suspension of high dielectric particles in a liquid of low dielectric constant. with the action of the applied electric field, particles interact with each other. the viscosity of erf increases dramatically and the erf turns into solid

    電流變液是由高介電常數、低電導率的電介質顆粒分散於低介電常數的絕緣液體中形成的懸浮體系，具有通過調節電場強度改變表觀粘度和屈服應力的機電耦合特性。
  9. There are two different schemes to implement the abr service congestion control, binary rate feedback ( brf ) scheme and explicit rate feedback ( erf ) scheme

    Abr業務採用基於速率反饋的擁塞控制機制，主要有兩種實現方案：二進制速率反饋和顯示速率反饋方案。
  10. Otherwise it decreases with the dielectric constant. since the direction of the particle chains is different from that of microwave transmission, which was considered to have different effect on microwave attenuation. two different erf containers for measuring the microwave transmittance were made

    考慮到微波傳播方向與電流變液顆粒鏈方向不同會造成微波衰減的不同，因此設計並製作了兩種用於測量電流變液微波透射率的電流變液樣品盒。
  11. In the meanwhile, the antisedimentation and stability of erf is excellent. the intrinsic reason for enhancing the rheological property is the improvement of dielectric property of the intercalation hybrids

    同時這種電流變液具有較好的溫度穩定性和抗沉降性，插層復合物介電性能的改善是造成流變學性能提高的內在原因。
  12. The demarcation point of, which is the parameter in erf ' s yield stress equation, is 2. 0. for, the dynamic characteristics of the clutch are remarkably different from those for. thirdly, the linear stability of plane shearing flow with non zero pressure gradient is studied

    論文第三部分對電流變液非零壓力梯度平板剪切流動的穩定性進行了分析，提出流場對屈服應力達到飽和的概念；並得出平板壁面剪切運動以及電流變液屈服應力的提高，都將使流動穩定性增強的結論。
  13. Also the external field can modulate wave - transmitting strength. at the range from 8 to 9 ghz, the minimum transmissivity value existed as to batio3 erf ; the frequency where the minimum value existed was tend to the lower frequency under the external field

    4 .對于欽酸鋇電流變液，在8一gg頻段范圍內，微波透過率存在最小值，而且隨電場強度增加透過率最小值點向低頻方向移動。
  14. For example, the static shear stress of kaolinite / cms nanocomposites erf is 3. 6 times as large as that of the pure kaolinite erf. furthermore, we also found that the electrorheological effect has the close relationship with the amount of cms. with the component rate of 1 : 1, the synergetic effect is appeared greatly and the kaolinite / cms er fluid displays a notable er effect under dc current field

    對介電和電導性能的測量顯示羧甲基澱粉插層引起復合材料電流變液的介電常數和電導率升高，其介電常數是純土電流變液介電常數的2 . 07倍，是羧甲基澱粉電流變液的1 . 78倍；電導率是純土的2 . 73倍。
  15. Er fluids ( erf ) can invert between liquid phase and solid phase. the high and new technological features of erf include a fast response speed, continuous and reversible controllability. erf can be widely applied in electromechanical transmission and control systems

    在電場作用下，它具有液一固態轉化的可逆性、連續可控性和響應的快速性等高技術特徵，因而在機電傳動與控制系統有廣泛應用前景。
  16. Dielectric property changing of disperse phase under external field is the reason that the modulating ability is strengthened. ( 3 ) microwave transmitting characters of erf with particles of batio3, tio2 doped ce and colloid were investigated

    當微波頻率位於8g 12g之間時，研究了鈦酸鋇、鈰摻雜二氧化鈦以及復相膠囊電流變液在8 12g頻段范圍內的微波透射頻率選擇性特徵。
  17. The effect of volume fraction and particle diameter on properties of petroleum - based erf

    體積分數及粒徑對石油基電流變液特性的影響
  18. The minimum transmissivity of erf with tio2 doped ce existed near the frequency of 8ghz

    B1j摻雜二氧化欽電流變液，在sg附近微波透過率存在最小值。
  19. 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。
  20. The solidified erf can resist the shear stress. when the applied electric field is retreated, the solidified erf can completely reverse to the original state rapidly

    在外加電場的作用下會發生毫秒級別的固化效應而具有電致剪切屈服應力，當外加電場撤銷的時候，又恢復成原來的流體狀。
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