通態電阻 的英文怎麼說
中文拼音 [tōngtàidiànzǔ]
通態電阻
英文
on state resistance- 通 : 通量詞(用於動作)
- 態 : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
- 電 : 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...
- 阻 : 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...
-
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、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數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(如聲波和電阻率曲線)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指數與聲波和電阻率分維之積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。The results of lauryl sodium sulfate - polyacrylamide gel electrophoreses ( sds - page ) of the aggregate precipitate and supernatant and the result of high - performance size - exclusion chromatography of the supernatant indicated that, by wrongly linked intermolecular disulfide bonds soluble bi - molecular and tri - molecular egg white lysozyme aggregate could be simultaneously formed except being renatured to native and active egg white lysozymes during the refolding procedure of denatured - reduced egg white lysozyme ; the aggregate precipitate could be further formed by the non - covalent bonds interaction between the soluble hi - molecular egg white lysozyme aggregates, and the soluble tri - molecular egg white lysozyme aggregate could still stay at the supernatant
沉澱和上清液的不連續十二烷基硫酸鈉聚丙烯酰胺凝膠電泳( sds - page )和高效凝膠排阻層析分析結果表明,還原脲變性蛋白溶菌酶在稀釋復性過程中除了能夠復性成天然態蛋白溶菌酶分子外,還會形成可溶的蛋白溶菌酶分子二聚體和三聚體,二聚體和三聚體主要是靠分子間二硫鍵的錯配連接而成的;可溶的蛋白溶菌酶分子二聚體之間通過非共價鍵相互作用而形成集聚體沉澱,而可溶的三聚體溶菌酶分子則仍處于復性液上清液中。Abstract : in this study, 2618 aluminum alloy manufactured by spray process was heated in a heating furnace, and the microstructures were investigated. by the process of heating in a heating furnace and then squeeze - forming, one component of the motorcycle was produced successfully with the semi - solid aluminum alloy
文摘:採用電阻爐加熱的方法對噴射沉積法制備的2618鋁合金進行了二次加熱實驗,觀察了顯微組織的變化;並通過電阻爐加熱、半固態擠壓鑄造的方法成功地試制了摩托車零件。3 in experiment the common electrical - resistance strain gages is used as receiver to replace the pzt or velocity and acceleration transducer which is frequently used in pipeline not
3 、實驗採用動態電阻應變電測法,採用普通的電阻應變片作為接收傳感器,代替了通常用於管道檢測的壓電探頭或樁基完整性檢測的反射波法中使用的速度傳感器或加速度傳感器。Through the deep study of f. d. demello dynamic model of electromechanical transition and synchronous generator theory, we proposed a new control strategy of excitation device that can eliminate the negative - damping phenomenon, which is directly against the cause of producing negative - damping represented as low frequency oscillation in the system
通過深入研究f . d . demello機電暫態的動力學模型以及同步發電機理論,針對系統產生負阻尼即低頻振蕩的原因,我們提出了一種新的可消除負阻尼現象的勵磁控制策略。The pt secondary loop voltage drop is a changing amount and has the characteristics of indirection and certain randomness. the second, according to the cause of pt secondary loop voltage drop, the different methods to reduce the pt secondary loop voltage drop were analyzed and the conclusions are draw as below : 1. changing bigger section wire and maintaining the connector plugs regularly can reduce the pt secondary loop voltage drop effectively, but ca n ' t guarantee which meets the relevant rules
首先,通過對電壓互感器二次壓降的形成機理進行分析,得出以下關於二次壓降的相關結論: 1 、電壓互感器二次壓降等於二次迴路阻抗和迴路電流的乘積; 2 、電壓互感器二次迴路阻抗分為元器件自身阻抗和接觸阻抗兩部分,且接觸阻抗佔主要部分,從而使得電壓互感器二次迴路阻抗具有動態特性,而且具有一定的隨機性; 3 、電壓互感器二次迴路電流與二次負荷和迴路阻抗大小相關,因而二次迴路電流也是變化的; 4 、電壓互感器二次壓降是一個變化量,且具有單向性和一定的隨機性。By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關損耗;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態損耗增加,降低了軟開關逆變器的效率。The regressive equation that described the relationship between resistivity and strain are determined. to prove the applicability of the relationship, we composite the conductive composite material prepared by chopped carbon fiber mat with glass fiber reinforced composites of different strain character and study the relations of strain to resistivity under tensile stress
為證實該關系的適用性,通過將短切碳纖維氈制備的導電復合材料與具有不同應變性能的玻璃鋼復合,對拉伸狀態下應變與體積電阻率之間的變化關系進行了研究,並用多元回歸的方法進行了數值分析,確定了電阻率與應變之間變化的數學模型。Jdy - 280b double electromagnetic lock product characteristic : strong holding force, no left magnet easily installed, low noise, durable no mechanical failure with signal feed back function applications : can be used with intercoms and access control systems, especially for fireproof door working voltage : 12vdc 24vdc working current : 12vdc 0. 27a, 24vdc 0. 46a power consumption : 3. 3w, 3. 5w, absolutely insulative power supply mode : successively working temperature : - 40 50 dimension : 473 x 45 x 30mm weight : 3920g yiwu qimingxing computer company copy right
Jdy - 280b雙開門磁力鎖產品特性:吸力強無剩磁安裝方便噪音低壽命長具故障保護功能,無機械故障可具資訊回饋功能鎖狀態有指示燈指示:鎖門時綠燈指示燈亮開門時,紅色指示燈亮帶鎖狀態指示燈及聯網信號輸出適用范圍:可與樓宇對講門禁系統配套使用特別適用於逃生門防火門電氣性能:電氣性能:使用電壓: 12vdc 24vdc電流: 12vdc 0 . 53a 24vdc 0 . 27a絕緣電阻測試: dc500v 1分鐘無擊穿通電形式連續使用溫度: 40 50外形尺寸: 473 x 45 x 30mm重量: 3920gMapping rheogram and analyzing thixotropy of fresh cement paste with different superplasticizers by measuring the rheologic parameters such as shearing stress 、 yield stress and plastic viscosity. using multi - channel isothermal calorimeter together with non - contacting electrical resistivity device, traditional hydration heat testingl and electrical resistivity testing were connected. using temperature - sensitive of traditional hydration heat model and structure - sensitive of structure formation model, instantaneous formation condition of paste structure was described exactly
`採用多通道等溫量熱儀以及無電極電阻率測定儀,將傳統的水化熱測試與電阻率測試結合起來,運用水化熱的熱敏感性與結構形成的結構敏感性,更加真實地描述了水泥漿體初始結構的瞬時形成狀態;系統全面地研究了高效減水劑對水泥水化過程的調控作用;運用微觀測試方法,深入探討了高效減水劑對水泥水化過程的影響。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。Initially, the company has engaged in the development and manufacture of testing instruments primarily for the said governmental institutes, later expanding its activities toward the field of electrical industries in general. taking advantage of technological prestige, the company has in the meantime developed unique instruments one after another which have successfully met the demand of major electrical machine manufacturers for rationalization and increase of production efficiency, thus enabling the company to realize steady growth and maintain continual business relations with more than 400 domestic and overseas customers
本測試儀可用作繞組線圈電阻及溫升測試外,也可用作為普通的數字型電阻儀測試未加交流電壓狀態時的電阻值。本儀器在電機或變壓器等繞組設備的機械加壓的工作狀態下,可隨時連續檢測其線圈電阻和溫度的變化,而且在切斷電源后,亦可連續測量,測量安全數據準確。By analyzing the refraction 、 reflection process of fault transient current traveling wave of high voltage and characteristics of refraction 、 reflection coefficient systematically, a new fault location method of single ended traveling wave is presented. it can not only identify the reflection wave for fault location efficiently, but also not be affected by the structure and length of line. fault earthed resistance 、 fault type 、 system impedance and can locate fault in adjacent areas accurately
論文深入地分析了高壓線路故障暫態電流行波的波折、反射過程以及折、反射系數的特點,提出了新的單端行波故障測距方法,它不僅能夠有效地識別出測距所用的反射波,而且幾乎不受線路結構、長短、故障接地電阻、故障類型、系統阻抗的影響,在近區仍可以準確地進行測距;同時模擬阻波器的特徵,設計了低通數字濾波器,對通過了低通數字濾波器的暫態故障電流行波再次進行小波分析,並利用本文提出的單端行波故障測距方法進行故障定位,結論是所提出的測距方法在實際應用中仍是有效的。In the fifth chapter, a new fully differential operational amplifier with voltage and current - mode negative feedback has been proposed, which can stabilize its quiescent operation point, using the characteristic of mos transistors which operate in the triode region acting as active variable resistor, a fully differential fourth - order chebyshev low - pass filter with tunable frequency and bessel low - pass filter with accurate group delay based on r - mosfet - c and operational amplifier has been designed
第五章:提出了一種新的既具有電壓共模負反饋又同時具有電流共模負反饋的全差分運算放大器電路,能較好地穩定電路的靜態工作點,並應用mos管工作在線性區可作有源可變電阻用的特性設計得到了截止頻率可連續調節的高性能r - mosfet - c 、運放結構切比雪夫( chebyshev )和精確群時延值貝塞爾( bessel )低通濾波器。The numerical simulations show that the resonant peak of the self - adaptive damper minish more than 60 % compared with the damper whose electrostatic field built by piezoelectric ceramic did not charge up er fluids, then which proves that electrostatic field built by piezoelectric ceramic can drive er
通過以上研究,得出了如下結果: 1從理論上模擬了壓電陶瓷產生的靜電場加在電流變液上和不加在電流變液上兩種狀態下,阻尼器的振動行為。Through the comparison between test and commission of low water - cut oil layers and the analysis of electric property and logging display characteristics, this paper brings forward the methods for identifying oil layer, low water - cut oil layers and oil and water layers, namely, through the comparison between natural potential and natural gamma as well as the varieties of oil saturation, electric resistivity, curve shape of hydrocarbon, volumetric coefficient and geochemical bright spot index to identify the layers
通過對低含水油層的試油與投產對比,對電性、錄井顯示特點的分析,提出了用測井自然電位與自然伽馬對比、含油飽和度、電阻度、氣測全烴曲線形態、灌滿系數、地化亮點指數的變化等識別油層、低含水油層、油水同層的方法。When the parameters and resonant conditions are equal, nonlinear inductance can change the topology structure of response curves. changing the nonlinear resistance and the nonlinear inductance can control peak value of response curves. changing other parameters, amplitudes of response curves will change correspondingly, but the responses are different, one modal could be controlled by the other
2的情況下,改變了響應曲線的拓撲結構;無論是電阻非線性還是電感非線性,都會抑制兩個模態的振動;改變系統參數,振幅和共振區的大小會發生相應的變化,但兩個模態對參數變化的響應程度是不一樣的,可以通過一個模態控制另一個模態。Two conclusions about suspending control system are given in this paper : 1. the single suspending system controlled by parameter self - turning control algorithm has better performance when the mass of single point suspending system, the resistance of electromagnet and the suspending gap are variable ; 2. the single suspending system controlled by global asymptotic stability control algorithm is global asymptotic stability and can restrain the stochastic noise
通過對採用上述控制演算法的懸浮系統的理論分析和模擬研究,主要得到了以下幾方面結論: 1 .當系統懸浮質量、電磁鐵電阻和額定間隙參數變化時,設計的參數自校正控制演算法可使系統的動態性能指標保持在設定的指標; 2 .設計的全局穩定控制演算法,能夠保證二級結構單點懸浮系統的全局漸近穩定,且對隨機噪聲干擾有一定的抑制作用。In the conventional pmsm dtc system, the stator flux linkage is calculated from the integration of the difference between the machine input voltage and voltage drop across the stator resistance, and the input voltage is obtained by synthesizing the dc - link voltage and the switching mode of the inverter
在常規直接轉矩控制系統中,定子磁鏈是通過直接積分電機端部輸入電壓與定子電阻壓降之差計算得到的。電機端部的輸入電壓又是通過電機直流母線電壓和逆變器的開關狀態綜合得到的。In this paper, the volume density, hardness, bend strength and electrical conductivity of cf / cu ( c ) - cu composites have been tested. the results show that, after graphite is coated by copper, the electrical conductivity, bend strength and volume density of cu ( c ) - cu composites is remarkably increased. with the increase of copper coated graphite, the static characteristics are reduced
本論文通過對不同成分復合材料試樣的密度、硬度、抗彎強度和電阻率等靜態性能的測試發現,石墨粉表面鍍銅提高了材料的導電性能,同時材料的硬度、抗彎強度都有顯著的提高;但當鍍銅石墨粉繼續增加時,材料的導電性能降低,密度、硬度和抗彎強度下降。分享友人