真電阻率 的英文怎麼說
中文拼音 [zhēndiànzǔlǜ]
真電阻率
英文
true resistivity- 真 : Ⅰ形容詞(真實) true; genuine; real Ⅱ副詞1 (的確; 實在) really; truly; indeed 2 (清楚確實) cl...
- 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
- 率 : 率名詞(比值) rate; ratio; proportion
- 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...
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The terrestrial sediments reservoirs are complexity and diversify, they are very important for reservoir evaluation, that districting bed boundary properly and stating the truthful resistivity of reservoir
由於陸相沉積儲層的復雜性、多樣性,準確劃分地層界面,確定儲層的真電阻率,對儲層的評價是至關重要的。The results of research indicate that this tool has highly vertical and radial resolution. it can calculate accurately the invaded zone and the invaded radius
研究結果表明,高頻等參數感應具有極高的縱向解析度和較好的徑向探測特性,能夠準確地計算地層真電阻率、侵入帶電阻率及侵入半徑。Pic simulations are performed to determine gap scaling in a high density pegs. comparisons of simulation results with simply theory results and experiment results, indicate that the pegs gap is always equal to the critical gap for magnetic insulted electron flow. it is important to note that, the vacuum electron flow to the anode causes current loss and the
另外,根據模擬結果還得到了兩個重要結論:電流損失是由真空漂移電子的出現所造成的,電流損失的大小與負載阻抗成近似正比關系;負載阻抗等於peos的流阻抗時,負載獲得功率最大。Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuumtubes
電真空器件及電光源用鎢鉬材料電阻率的測試方法Method for the determination of the resistivity of tungsten and molybdenum used in electric light sources and vacuum tubes
電真空器件及電光源用鎢鉬材料電阻率的測試方法The ultraviolet absorption edge becomes steep and moves to longer wavelength, and the optical band gap decreases. the optimal quality and ultra - violet absorption property of the zno thin film annealed at 450 are obtained
中性氣氛中退火薄膜的電阻率基本不變,在真空和還原氣氛中薄膜的導電能力增強,而在氧化氣氛中薄膜的電阻顯著增加了七個數量級,成為絕緣薄膜。Mapping 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。This paper presents the effects of some features on the productivity of raw c60 materials, such as distance and approaching speed of electrodes, helium partial pressure and arc current etc. then we separate and purify the raw materials and obtain pure solid c60 of 99. 9 % and compare the purification efficiency and effect of different fluxion phase and fixed phase and discuss the effects of the experimental conditions, such as the depositing speed, the type of the substrate, the surface structure of the substrate and the temperature of the substrate. finally, we use xps, afm, ultraviolet, infrared and raman to analyze the component, structure and feature of the films qualitatively and quantitatively
本文首先研究了氦氣分壓、弧電流大小、電極間距以及電極推進速度等實驗條件對制備c _ ( 60 )粗品產率的影響;接著選用柱色譜法分離提純得到了純度大於99 . 9的c _ ( 60 )固體,比較了不同流動相和固定相的提純效率和效果;然後採用自己改進后的真空鍍膜機,利用電阻式加熱蒸鍍方法,得到了純c _ ( 60 )薄膜和不同摻雜比的銀摻雜薄膜;探討了沉積速率、襯底種類、襯底表面結構以及襯底溫度等實驗條件對薄膜結構的影響;最後通過xps , afm ,紫外,紅外,拉曼對薄膜的成分、結構和特性作了定性和半定量分析。Presents the simple but highly reliable on - line detection of ultrasonic transducer clamping capacitance based on the impedance circuit model constructed through the impedance characteristics of the ultrasonic transducer under triple harmonics, and concludes from experimental results that this method can be used to effectively detect the variation of clamping capacitance while the transducer is operating, and the matching inductance can be dynamically regulated according to the results of detection, and dynamic matching can therefore be achieved in the real sense at the end of the transducer to improve the overall performance of the whole system
為了解決大功率超聲應用的換能器電端匹配問題,分析了超聲波換能器在諧振頻率三次諧波下的阻抗特性,給出了超聲換能器三次諧波下的阻抗電路模型.並根據阻抗電路模型建立了對超聲換能器的夾持電容實現在線檢測簡單、可靠性高的方法,實驗證明該方法有效的.該方法可以在換能器工作過程中隨時檢測夾持電容的變化,根據檢測結果對匹配電感進行動態調整,實現真正意義上的換能器電端的動態匹配,從而大大改善匹配質量,提高系統的工作性能When the input voltage varies from 40v to 60v and the output side varies from no load to rated resistance load, the output voltage will vary within 1. 3 % with the thd of less than 2 % and the highest efficiency of 86. 3 %
當輸入電壓變化、輸出從空載變化到額定阻性時,輸出電壓變化量小於1 . 3 ,正弦輸出電壓波形失真度小於2 ,變換效率最高為86 . 3 ,額定阻性負載時效率為84 . 4 。Effects of grain boundaries on the resistivity, capacitance of copper wires and the fuzzy degree of signal transmission have been studied in the present paper
摘要通過分析晶界對銅線材電阻率、電容值以及信號失真度的影響規律,研究晶界對線材傳輸信號影響的機制。分享友人