價帶 的英文怎麼說

中文拼音 [jiàdài]
價帶 英文
[固體物理] valence band
  • : 名詞1. (價格) price 2. (價值) value 3. [化學] (化合價) valence
  1. In the band structure, one band that is completely filled with electrons is termed valence band

    在能結構中,完全填滿電子的被稱為價帶
  2. A model of the interface state density distribution near by valence band is presented, and the dependence of the threshold voltage on temperature, the c - v characteristics and the subthreshold characteristics are predicted exactly with this model ; the effects of s / d series resistance on the output characteristics, transfer characteristics and effective mobility of sic pmosfets are analyzed. thirdly, the output characteristics and the drain breakdown characteristics are modeled with the procedure medici. the output characteristics in the room temperature and 300 ? are simulated, and the effects of gate voltage. contact resistance, interface state and other factors on sic pmos drain breakdown characteristics are analyzed

    提出了一個價帶附近的界面態分佈模型,用該模型較好地描述了sicpmos器件閾值電壓隨溫度的變化關系、 c - v特性曲線以及亞閾特性曲線;分析了源漏寄生電阻對sicpmos器件輸出特性、轉移特性以及有效遷移率的影響;論文中用模擬軟體medici模擬了sicpmos器件的輸出特性和漏擊穿特性,分別模擬了室溫下和300時sicpmos器件的輸出特性,分析了柵電壓、接觸電阻、界面態以及其他因素對sicpmos擊穿特性的影響。
  3. These problems boost the study of high - k materials as the alternatives of sio2 gate dielectrics. among all high - k gate dielectric materials, hafnium oxide ( hfo2 ) is being extensively investigated as one of the most promising candidate materials due to its superior thermal stability with poly - si, biggish constant and reasonable band alignment. our researches focus on hfo2 dielectrics

    高k柵介質材料已經被廣泛地研究來替代sio _ 2 ,以降低柵泄漏電流和改善可靠性,其中, hfo _ 2由於其較大的介電常數、較大的禁寬度、與si的導價帶較大的偏置、以及與si的高的熱力學穩定性等特徵,被認為是最有希望的替代sio _ 2的柵介質材料之一。
  4. Some results are interesting, for example, in our calculation, there are no reconstruction in the cleaned pbte > pbse > pbs ( 001 ) surface. but there are different rumple occurs. unlike the iii - v and ii - vi semiconductors, there are no surface states in the fundamental gaps

    在表面電子結構特徵方面,與111一v族和n一vl族化合物不同,基本隙中不引入表面態,而在導頂和價帶底附近以及更深能級中出現表面態或表面共振態等。
  5. To tackle impact brought by high oil price, according to marginal - value method, oil refining enterprise has set up pims purchase model to direct the enterprises purchase oil well

    摘要煉油企業應對高油價帶來的沖擊,運用量本利分析中的邊際利潤法建立pims采購模型能很好地指導企業采購原料。
  6. Partial substitution of manganese in lixmn204 by cobalt or lithium can reduce the fermi energy, increase the. net charge of lithium ion, and diminish the value band width, corresponding to the drop of the discharge voltage, the loss of the reversible capacity, and the improvement of the cycling performance due to increasing structural stability, respectively

    在limn2o4中摻入鈷和用鋰離子代替16d位錳離子將使材料的費米能減小,放電電壓降低;摻雜態中部分鋰離子的凈電荷增大,鋰離子與氧離子的相互作用增強,可逆容量降低;摻雜態的價帶寬度變窄,結構的穩定性增加,從而改善循環性能。
  7. Using maximal diffusive flux to substitute actual diffusive flux, which will overestimate diffusion losing and bring biggish error for estimate of gas source rocks and resource evaluation of gas pool. 5

    以往用最大擴散氣量來代替實際擴散氣量的演算法會過高的估計天然氣的擴散損失量,給氣源巖評和氣藏的資源評價帶來較大的誤差。
  8. A warm winter and a mild hurricane season last year have combined with a forecast for warmer - than - normal temperatures this winter to pressure oil prices

    去年是暖冬及少颶風的季節,加上天氣預報報道今年冬天的溫度比正常情況下高,都給油價帶來了壓力。
  9. As a result, the fermi level at the surface will shift towards the valence band maximum ( vbm ). accordingly the band bending increases, and the surface depletion layer thickness enhances, therefore, the channel thickness reduces. this is the main factor resulting in the decrease of saturated drain - source current

    表面費米能級向價帶頂移動,能彎曲加劇,肖特基勢壘高度增加,表面耗盡層變厚,導電溝道變窄,是導致源漏飽和電流下降的主要因素。
  10. An atomic smictufal model for c ( 2x2 ) reconstruction is proposed and a total energy calculation illustrates that the hollow - site - occupied si adatom model might be a possible atomic structure of the c ( 2x2 ) reconstruction

    光電子發射譜被用於研究界面形成過程中出zp 、 hf4f芯能級譜和價帶譜,以及功函數等的變化。
  11. The pinning of the surface fermi level at 0. 29 ev above its initial value, equivalent to a variation of schottky baxrier height of 0. 67 ev is observed upon deposition of ~ 0. 6 ml er onto the clean p - type si ( 00l ) ( 2xl ) surface at room temperature

    通過對測得的硅和鉺的芯能級和價帶的分析,得到了以下結論:隨著鉺覆蓋度的增加至約為0 6單層,表面fermi能級被釘扎在其初始值0
  12. There are distinct changes about shifts or intensity in bulk plasmon, surface plasmon, and interband electron transitions losses as a result of oxidation of specimens, and adsorption and oxidation processes can be studied through these changes. at room temperature, the formation of oxide layers on uranium and uranium - niobium alloys were found to occur rapidly upon exposure to oxygen, and the resultant oxide in each case was near - stoichiometric uo2. due to formation of niobium oxide in uranium - niobium alloys, the diffusion of o ~ ( - ) ( o ~ ( 2 - ) ) and u ~ ( 4 + ) in the interface region was prevented, and the corrosion resistance of uranium - niobium alloys to oxygen is greatly enhanced by alloying with niobium

    研究結果表明:清潔表面鈮和鈾的體等離子體振蕩所造成的電子能量損失的實驗值與理論計算值較為符合;隨著氧化程度的加劇,表面等離子體( sp ) 、體等離子體( bp )以及價帶電子躍遷所造成電子能量損失的譜峰發生了明顯的連續偏移或強度的變化,這些變化可以用來分析鈾及鈾鈮合金的初始氧化過程;室溫下,鈾及鈾鈮合金很容易與氧作用,最終結果,鈾僅氧化為二氧化鈾,另外,在鈾鈮合金氧化過程中,因為有鈮的氧化物存在,不利於氧和鈾在界面擴散,增強了鈾鈮合金抗氧化性能; eels能獲得樣品表面的信息比aes更為表面,更為靈敏,但由於eels的譜線過于集中,主要在幾十ev以內,也有不容易區別和解譜的不足。
  13. The highest - energy band containing electrons is called the valence band, and the next higher one is the conduction band

    填有電子而能量最高的能稱為價帶,相鄰的更高能稱為導
  14. Where transactions are “ lumpy ”, as in the commercial aircraft industry, the short - term profits from undercutting rivals are too big to resist

    但類似民用航空這種格「奢侈」的行業,情形就不同了,其針對競爭對手降價帶來的短期利益之豐厚,實在令人難以抗拒。
  15. Beginning with the discussion on the risks related to taxation, this thesis researches into the transfer pricing behavior between listed companies and share controllers in socialist market economic environment and corresponding policy environment. by means of positive analysis, model analysis and case analysis, the author studies the kinds, source and influence of the tax - related risks which result from transfer pricing, and makes a deep exploration into the problem how to control and clear off the concerned risks

    本文以上市公司轉移定價帶來的涉稅風險為切入點,以我國的上市公司與控股關聯方之間的轉移定為研究對象,以我國的社會主義市場經濟環境和政策環境為研究背景,通過實證分析、模型分析及案例分析,對我國上市公司不同形式的轉移定價帶來的涉稅風險、風險種類、風險來源以及相關影響進行了剖析,對轉移定稅務籌劃中涉稅風險的控制和化解進行了較深層次的研究和探討。
  16. The reason is that their valence band is full of electrons, which obstructs current flow

    因為它們的價帶填滿了電子,使電流無法流動。
  17. Effective masses at the top of valence band and at the bottom of conduction band are deduced from the band structure

    價帶頂和導底的有效質量從計算得到的能結構中求出。
  18. Meanwhile, the er 4f spectrum measured upon annealing exhibits well - resolved fine structure, implying that only mono - species of er silicide may exist on the surface

    同時觀察到了清晰的鉺4f價帶譜,這暗示著只有一種鉺硅化物在表面形成。
  19. The zno particles are excited by ultraviolet ( uv ) exciting light ( 365 nm ), showing two photoluminescence ( pl ) peaks / bands, centered at 2. 90 ev ( blue ) and 2. 23 ~ 2. 41 ev ( yellow - green ), respectively. the intensity of the yellow - green band was reduced after the product had been annealed in n2 and o2 at 350 c for 1h. ultraviolet visible absorption spectrum shows that the zno absorbs ultraviolet light intensely

    對于復合h ps zno結構的發光機制,認為是納米h價帶中的電子在紫外光的激發下,躍遷到zno的導,從而處于激發態,由於多孔硅的導比氧化鋅的導低, zno導中處于激發態的電子很快躍竄到多孔硅的導,然後再與h價帶中的空穴發生復合,發出可見光。
  20. It may be that the windfall oil revenues go into the hands of private - sector oil producers and exporters rather than the official sector

    況且高油價帶來的額外收益可能落入私營石油生產商及出口商袋中,官方並無得益。
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