結型電阻 的英文怎麼說

中文拼音 [jiēxíngdiàn]
結型電阻 英文
junction resistor
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : 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線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間構越復雜、裂縫孔隙空間構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和率曲線)上分形分維值及其m指數值,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,採用儲層分維值分類技術統計分析這些參數變化的規律,並合qx油田l區塊儲層類經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類識別。
  2. The cdte films doped te are deposited onto glass substrate by close spaced sublimation. the x - ray diffraction data indicate the pure cdte films are polycrystalline zinc - blende structure with grain orientation predominantly along ( 111 ) direction. the electrical properties of cdte films are investigated by hall effect measurement using the van der pauw method

    X射線衍射分析表明,純cdte薄膜是立方閃鋅礦構, ( 111 )晶面取向生長; hall效應實驗測量發現薄膜很高,呈p導,面率數量級達1010
  3. Based on the effective medium hb resistivity models in laminated or dispersed shaly sands proposed by berg, the general effective medium hb resistivity model in laminated and dispersed shaly sands is established. in the derivation of the model we assume that clay - bound water fraction is included in total pores, clay - bound water and formation water have the same resistivity, and yet the difference of electrical properties between the two waters is incorporated into clay grain conductivity

    本文首先基於berg提出的層狀泥質或分散泥質砂巖有效介質hb率模,並在總孔隙中考慮粘土合水的體積,但不考慮粘土合水與地層水導性的差別,而將粘土合水與地層水的導性差別歸到粘土顆粒導中,建立了混合泥質砂巖有效介質通用hb率模
  4. All wire and connectors used to buid the black dragon 2 is cryogenically treated in our proprietary cold fusion deep immersion process to structurally align and fuse the metallurgical molecular bond in the conductive metals for less noise and lower line resistance

    黑龍2纜含有的所有導線及連接器都經過我們獨有的冷聚變深浸過程處理,以改變導金屬絲內部的原子鍵位構,產生低低噪音的效果。
  5. Furthermore, problems easy to make mistake are demonstrated, for instance, grounding resistance of large grounding grid is impedance

    研究論證了被一些研究者錯誤理解的關于大地網接地抗、四極法及其倒相法測量果為抗等問題。
  6. Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops

    為了方便、有效地測定植物的蒸散,為水分利用研究提供價廉物美、簡單易用的儀器,本研究利用國產的集成應變式稱重傳感器,採用at89c52單片機作為控制單元,合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面路,研製了小自動稱重式蒸散儀。
  7. More recently, the perovskite manganite compounds, a1 - xbxmno3 have received much attention because of their gigantic magnetoresistance ( gmr ) and charge ordering properties

    近幾年來,這類鈣鈦礦構的氧化物材料因為其具有的巨磁效應受到了更多的關注。
  8. We used occam ' s inversion method to inversion the 1 - d and 2d geo - electric model and have briefly discussed the approach and procedure. trial calculations of the theoretical show that the inversion converges stably and quickly but do n ' t depend on the original model

    首先用occam方法對一維和二維地反演做了研究,果表明occam方法在率成像中收斂迅速,迭代穩定。
  9. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討,選用鎳鉻合金絲作為加熱元件,配以陶瓷質埋入式爐膛;選用陶瓷質小尺寸扁平?圓盤均熱塊體樣品支持器;選用0 . 5mm絲徑鎳鉻?鎳硅熱偶( k )作為測溫元件;熱偶對稱安置在樣品支持器容器的中部;選用硅酸鋁耐火纖維作保溫材料;合理選用和設計了溫度控制器、溫度變送器、信號放大路等硬體;採用升溫曲線來控制爐膛供熱過程;採用最小二乘法非線性回歸與分段函數相合的曲線模擬方法,進行圖形處理。
  10. In the model of on - resistance, we have considered the lateral doping distribution in ldmos channel and vertical doping distribution in drift region. then we provide the explicit dependence between on - resistance and doping distribution parameter

    導通考慮了ldmos的溝道橫向雜質分佈和漂移區雜質縱向分佈的構特點,給出了導通與雜質分佈參數的明確函數關系。
  11. The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations. by the combination of spice mos ( level = 3 ) and the macro model, the complete dddmos model was then obtained, which accords well with simulated data. by simulating and comparing different devices of different process parameters, the model is applicable for different bias regions and can be useful in the power integrated circuit research in future

    首先介紹了器件建模的基本原理及相關模擬技術,然後利用工藝模擬軟體生成器件基本構,並對其基本特性進行了分析;分析了業內和學術界比較通用的高壓器件建模的方法,隨后在模擬實驗的基礎上著重分析了dddmos的物理特性,在求解泊松方程、連續性方程等基本方程的基礎上,建立有物理意義的漂移區的宏模;隨后合spicemos ( level = 3 )模而得到完整的dddmos模,此模與模擬數據符合得比較好,通過對不同工藝參數的器件進行模擬比較,該模能夠覆蓋不同的工作偏壓范圍,具有較明確的物理意義,對今後的功率集成路的研發有一定的參考意義。
  12. In this paper, the authors used such geophysical exploration methods as the high - precision geomagnetic method, the resistivity profiling method and the induced polarization method to synthetically study the exhausted areas of the archean sedimentary metamorphic iron mines in eastern hebei, built an effective geophysical exploration combination model for the exhausted areas, and summarized the serviceability and validity of various geophysical exploration methods in the exploration of exhausted areas under different geological settings

    摘要應用高精度磁法、率剖面法、激發化法等常規地球物理勘查方法對冀東地區太古宙沉積變質鐵礦采空區進行綜合研究,建立冀東鐵礦采空區有效的地球物理勘查組合模,總不同地質環境條件下各種地球物理勘查方法在冀東鐵礦采空區勘探中的適用性和有效性。
  13. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以纜為主的城區10kv網中性點接地方式的選擇問題進行研究。論文首先對10kv網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變站10kv網的實際參數來建立數值計算模,在考慮了網接地流變化、中性點取值大小、接地點接地值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小接地方式下網的過壓水平和接地點短路流大小進行了數值計算,其計算果與科院所作現場試驗進行了比較。
  14. The system parameters are developed at the same time, and some universal conclusions on the theoretical analysis of pll are reached. then, we have carried on analysis and research to the theory of differential delay ring voltage controlled oscillator ( vco ). on this basis, a improved differential delay ring vco with more efficient loads is described. this circuit has been designed and implemented in 0. 35 m cmos technology

    本文還對差分延遲構環形壓控振蕩器路進行了深入的分析與研究,並提出了一種基於高質量路的主從差分延遲構環形壓控振蕩器,其採用了一種新的主從差分延遲構,並用一個更有效、更穩定的負載構來替代vco設計常使用的單個mos管構,使其系統穩定性有了相應提高。
  15. Carbon and high - strength electric resistance forge - welded steel structural shapes

    碳和高強度鍛焊鋼
  16. The electrochemical impedance spectroscopy of nickel electrodeposition indicates that nickel electrodeposition occurs in two steps, the medium frequency inductive loop is ascribed to the relaxation of the electrode coverage by an adsorbed intermediate such as niohads, the low frequency capacitive loop may be due to the inhibition of nickel electrodeposition by adsorbed hydrogen. the mechanism and equivalent circuit of nickel electrodeposition were proposed on the basis of the analysis of electrochemical impedance spectroscopy

    不銹鋼極上積鎳的化學抗行為表明氨絡合物體系鎳沉積過程是二次放過程,中頻感抗弧是由於中間吸附產物nioh _ ( ads )的弛豫現象引起,低頻容抗弧可能是由於吸附氫原子對鎳晶的滯作用引起,依據實驗果提出了氨絡合物體系鎳沉積的反應機理和等效路模
  17. The relationship between the resisitivity and the stress was simulated by matlab software. based on the mathematical and physical strength model, the resistivity in different thickness of the composite was attained, and the total resistivity was attained through the integral of thickness, which is basically identical with the tested resistivity

    用matlab軟體模擬了應力與率的變化關系式,再合數學物理力學模,得到了組元不同厚度處的率值,通過對厚度求積分得到的總率值,與實測率值基本吻合。
  18. Management mode part studiesinvestment and financing management of power transmission market and expandsfinancing thinking of power transmission market ; regarding harmonious developmentproblems between power plant and power grid, it puts forward new mode of electricpower layout and constructs the whole frame and model of accelerating harmoniousdevelopment between power plant and power grid on the basis of it ; operatingmanagement of power transmission is mainly congestion management of powertransmission and impartiality and openness of power dispatch ; the impartialopenness of power transmission grid is important standard of power transmissionmarket and it puts forward the joint mode of power grid under electric power marketwhich accords with market admittance system and perfects the mode of electric powermarket

    管理模式部分研究了輸市場的投融資管理,拓展了輸市場的融資思路;在對廠網協調發展的研究中,提出了力規劃新模式,並在此基礎上構建了促進廠網規劃協調的整體框架和模;輸運營管理主要考慮了輸塞管理和「三公」調度;輸網的無歧視開放是輸市場的重要標準,提出了力市場條件下的網接入模式,符合市場準入機制,完善了力市場模式。合區域力市場和特高壓網進行分析,展望了我國輸市場的發展方向。
  19. Based on the digital simulation and model analysis, the anomaly characterization of apparent resistivity section obtained by the sounding at different positions, and the relationship between electrode space and exploration depth were summarized

    根據理論模的數值模擬果,總了地質異常體在不同觀測方位巷道測深視率斷面圖上的異常特徵及極距與探測距離間的關系。
  20. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新的速度磁鏈觀測器,新的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定子磁鏈的估計精度入手,提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,合ti公司生產的tms320lf2407晶元,設計了直接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
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