線間電阻值 的英文怎麼說

中文拼音 [xiànjiāndiànzhí]
線間電阻值 英文
line-to-line resistance
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • 電阻 : (物質阻礙電流通過的性質) resistance; electric resistance (電路中兩點間在一定壓力下決定電流強度...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲形態分維的地球物理意義? ?曲變化越復雜,則其分維d _ ( fa )越大、裂縫孔隙空結構越復雜、裂縫孔隙空結構指數m越高等特徵,提出了改進的基於盒維數的測井曲網格覆蓋法,編程計算了裂縫性儲層段常規測井曲(如聲波和率曲)上分形分維及其m指數,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和率分維之積df _ acrt進行交繪,採用儲層分維分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. According to the topology of the substation and resistance measurements of down - leaders, the erosion diagnosis equation is built and the resistance variations of grounding grid branches are solved, and the erosion of grounding grid could be found through the fuzzy diagnosis regulation

    利用接地網拓撲結構圖及接地網引下測量,建立腐蝕診斷方程,通過求解診斷方程,計算出接地網支路變化量,採用模糊診斷方法判斷出接地網導體腐蝕的情況。
  3. The characteristics of damping shows that the uncompensated parallel ac transmission line can release the coupling between the hvdc and generator and improve the damping of the system, hence the possibility of subsynchronous oscillation decrease. in such a system scheme, the hvdc system dominates the changes of damping due to the small magnitude of the damping provided by ac line. when the ac transmission line is compensated with a fixed series capacitor, the situation will be totally different

    其中,並列運行的無串補交流輸路可以緩解hvdc與其臨近機組之的機耦合程度,改善hvdc的氣負尼特性,從浙江大學博士學位論文摘要而減輕機組發生次同步振蕩的危險性,此時系統的整體尼特性由hvdc的性質決定;但若交流路中存在串聯補償容,則系統幅較大的氣負尼不僅可能使整流站機組發生次同步振蕩,逆變站附近機組同樣存在發生次同步振蕩的可能性,此時系統的整體尼特性由串聯補償容的性質決定。
  4. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數模擬方法之後,首先從運動荷和的角度直觀地描述了脈沖磁波的輻射過程,然後進一步從場與荷相互作用的角度分析了天荷是如何被加速以及如何維持其運動狀態的,指出了開放空中突然出現的時變場(位移流)是脈沖磁波輻射的根本原因.文中還對局部加載的天和局部彎曲的天進行了研究,以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數模擬,並給出了場的等高和空波形圖,這些圖形對理解脈沖磁波的輻射機理非常有益
  5. Firstly, we make numerical modeling analysis with finite element method and eliminate the effect of tunnel - cavity, translate the apparent resistivity curve of advanced detection in tunnel into the curve in full space

    首先利用有限元數模擬技術分析並消除坑道空腔對視率的影響,並將坑道超前探測視率曲轉化為全空率曲
  6. By a large amount of calculations, the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained. then, the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced. by the numerical calculations, the relationship is got between the small signal gain, bandwidth, electromagnetic " hot " velocity and the electronic beam, the structural parameters

    通過數計算,獲得了此類慢波結構的色散特性和耦合抗隨結構幾何尺寸和介質參數的變化規律;在此基礎上,建立了任意槽形螺旋槽及中心加介質棒的任意槽形螺旋槽行波管的注-波互作用性理論,並編製程序,計算了管子的小信號增益、帶寬、磁慢波的「熱」相速與子注參數、結構參數之的關系,獲得了增加帶寬或增益的途徑。
  7. Using maxwell electromagnetic equations, by solving the boundary - value problem of magnetic vector potential, analytical expression to impedance increment of the solenoid coil in eddy current testing of the medium in half space was given. theoretical result was modeled in computer. results showed the validity and feasibility of the model

    利用maxwell磁方程組,通過求解矢量磁位的邊問題得到了矢量磁位的解析解,進而導出了媒質上方放置式空心圈的抗增量解析式,並對抗變化表達式進行單層板厚度和三層板隙的檢測模型進行了模擬。
  8. Abstract : after the relationship between radial and tangential strains and resistance changes of strain gage on the surface of elasticity pressure sensor is established by finite element method, the output voltage is related to the resistance changes in the electrical bridge, and the nonlinear precision of this kind of pressure sensor is analyzed

    文摘:本文用有限元方法分析平膜片式壓力傳感器彈性元件表面徑向應變及切向應變與薄膜應變片變化的聯系后,根據橋原理得到與其輸出壓之的關系,最終並分析了傳感器之非性精度
  9. By careful selection of the ratio between this resistor and the integrating resistor ( a few tens of ohms in the recommended circuit ), the comparator delay can be compensated and the maximum clock frequency extended by approximately a factor of 3. 3

    通過小心選擇這個和積分的比(在推薦路里,大約是數十歐姆) ,比較器的延遲就可能被補償,最大的時鐘頻率可近似延伸到3 . 3倍。
  10. The bacterial culture medium impedance was determined by an impedance measurement device with a microbial impedance sensor, and the corresponding impedance curve was drawn according to the impedance values measured throughout the period of bacteria culture

    摘要用自製的微生物抗傳感器和抗測量裝置,測量接種細菌的培養基,並將細菌在培養期內取得的所有描記成抗曲圖譜。
  11. Resistance of the stator is obtained by solving a 1 - d magnetic field diffusion problem. based on the code, curves of fcg ' s inductance, resistance, temperature and its output current, voltage are calculated. secondly, the expanding process for an armature of a helical fcg is studied in depth by a nonlinear, explicit finite - element ( fe ) code

    計算感時考慮了螺旋型fcg的三維效應,以及樞表面鏡像流的分佈,並通過求解圓柱型導的一維磁場擴散問題比較精確地得到了fcg定子的,在此基礎上計算了fcg裝置的感、、輸出流、壓和溫度等隨時的變化。
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