隨機極化 的英文怎麼說

中文拼音 [suíhuà]
隨機極化 英文
random polarization
  • : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
  • : machineengine
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 隨機 : random stochasticrandom
  • 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  2. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的矩陣方法,重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、大準集團和斜加矩陣,由此能直觀、簡便地生成集團和大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜度,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一角度能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優演算法和設計。
  3. Group division : experiments were performed in 3 different conditions, i. e., normal 4 medium, high k * stimulated medium, and ca2 + - free medium. hippocampal slices from a same rat were then divided into 3 treatment groups : control group ? lices were oxygenated with 95 % o2 / 5 % cc > 2 and incubated at 35 ~ 36 ? for 30min ; hypoxia group ? lices were oxygenated and incubated on the same conditions as the control group, then the mixture gases change into 95 % o2 / 5 % co2 - hypoxic condition were remained for lomin ; ginkgolide b preincubation group ? lices will be preincubated at the normal oxygenated medium containing loomm ginkgolide b, 10 min later, repeated hypoxic treatment

    3實驗採用區組設計,動物分為三組,各組動物制備的海馬腦片分別進行三種不同介質的灌流實驗,即正常介質組、高k ~ +去組和無ca ~ ( 2 + )組;各組中由同一隻動物製成的海馬腦片再分到三個不同的處理組,即:正常對照組、低氧組和ginkgolideb預孵育組。
  4. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客進場著陸過程中的體噪聲源進行了實驗測量,本文對七架窄體客和七架寬體客的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、指向特性和聲級變.研究發現,起落架噪聲的頻譜是由寬頻噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的指向性類似於一個水平放置的偶子.不同飛起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。
  5. With the improvement of the tipper automation and the fitting of the train ' s rotary hooks, it comes forth the tippers, which can turn over and unload freight efficiently

    著翻車自動程度的提高和鐵路敞車上旋轉車鉤的裝配,出現了不摘鉤作業翻車,這種翻車大的提高了翻卸效率。
  6. ( 3 ) the idea suggested in this paper of converting flood into utilizable resource 、 attempering flood by engineering means and supervising human behaviors in the flooded area. to overcome the various barriers arising from ideology 、 systems 、 technology and economy which the establishment of risk management system of flood will be confronted with, this paper also suggests a statistical approach to estimate extremum and the concept of gray - uncertainty risk in figuring flood risk and analyses the severe harmfulness of accidents of extremum risk, furthermore, supplements and perfects present quantity - analyzing method of risk loss

    3 、本文提出洪水資源的觀念,以工程手段對洪水進行調節,以法律、行政、經濟、教育等綜合性的手段對人類在洪泛區中的行為進行管理,是削弱洪水的危害性、減輕洪水風險的有效方式,提高的防洪安全保障需求,實行洪水風險管理是必由之路。洪水風險管理體制的建立必然面臨觀念方面、體制方面、技術方面與經濟方面的重重障礙,並提出洪災風險評價的值統計學方法和灰色-風險率的概念,建立了其表達形式與計算方法,它完善了現有的風險損失量方法。
  7. Monte carlo method does stochastic stimulants experiments about the characteristics of extreme temperature in the future on the background of global warmer

    在全球氣候變暖的背景下,利用蒙特卡洛模擬方法對未來端溫度變特徵進行模擬試驗。
  8. Abstract : a large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    文摘:應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客進場著陸過程中的體噪聲源進行了實驗測量,本文對七架窄體客和七架寬體客的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、指向特性和聲級變.研究發現,起落架噪聲的頻譜是由寬頻噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的指向性類似於一個水平放置的偶子.不同飛起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。
  9. The effect of polarons on the luminescence properties of quantum dots ( qds ) is an important problem in qd research and applications. we review the recent progress in the concept, possibility and size dependent energy variance of confined polarons in various qds. we suggest that the formation of polarons is related to intrinsic and / or extrinsic phonons and that the idea of confined polarons that we recently proposed can be used to explain the specific spectrscopic characteristics of oxidized nanosilicon systems, even single nanosilicon structures. this model may help to reveal the luminescence mechanism of porous silicon

    量子點中的子效應是當前量子點研究中的重要問題,其特徵急需了解.文章在綜述了量子點中限域子的概念、可能性和能量尺寸的變規律之後,提出了界面限域子模型,該模型首次指明本徵聲子和外來聲子都可能對界面限域子的形成有貢獻.作者利用此模型分析了多孔硅體系中的光譜特徵,證實了表面覆有氧層的納米硅的行為十分符合量子限域子的特徵.這一子模型與單個納米硅結構的發光譜十分一致,此結果對最終揭示多孔硅發光理有重要意義
  10. This paper utilizes stochastic optimal control theory, ito formula in stochastic analysis and nonlinear filter technique to maximize the expected utility from the terminal wealth

    本文運用最優控制理論、分析中的it ( ? )公式及非線性濾波技術,研究投資者終止時刻期望效用的最優投資策略問題。
  11. In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels

    本文首先建立了質子交換膜燃料電池的膜電方格子模型,在電模型各格點位置用montecarlo方法生成分佈的電粒子、 nafion粒子和聚四氟乙烯團粒,認為只有那些既有質子傳輸通道,又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流,而其餘胞元不產生電流,把電的輸出電流轉成一個概率事件。
  12. Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm

    文中先介紹了海雜波幅度的有關模型,通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算,證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較,得出hh符合對數正態分佈,而vv服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析,最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈序列。
  13. Scattering simulation for inhomogeneous layered canopy and random targets beneath canopies by using the mueller matrix solution of the pulse radiative transfer jin yaqiu, chen fei

    脈沖回波mueller矩陣解數值模擬非均勻分層植被與其中目標的散射[金亞秋,陳扉]
  14. Scattering simulation for inhomogeneous layered canopy and random targets beneath canopies by using the mueller matrix solution of the pulse radiative transfer ( jin yaqiu, chen fei )

    脈沖回波mueller矩陣解數值模擬非均勻分層植被與其中目標的散射[金亞秋,陳扉]
  15. The magnitude of the conductivity maximum increases and shifts to lower temperature with increasing sr content. in this paper, the electrical conductivity reaches maximum value at x = 0. 4. below the temperature corresponding to the maximum value, the electrical conductivity is found to follow the relationship for the small polaron hopping mechanism, charge compensation of oxygen vacancy dominates electrical conduction at high temperature, and oxygen vacancy acts as traps to catch carriers, resulting in the decrease of carriers concentration and mobility

    通過電學和熱學性能測試結果表明,電導率著sr含量的增加以及溫度的變都出現了大值,在本論文中,在sr含量為0 . 4時電導率值最大,電導率最大值對應的溫度著sr含量的增加而降低,這是由於在低溫下以小子導電理為主,在高溫階段則是氧空位的電荷補償占據主導作用,氧空位使得載流子的濃度和可動性減弱,從而導致電導率降低。
  16. But in more situations the random variables generating counting processes may not independent identically distributed, and in all kinds of dependent relations, negative association ( na ) and positive association ( pa ) are commonly seen. the research and apply in this aspect are rather valuable. in chap 2 we prove wald inequalities and fundamental renewal theorems of renewal counting processes generated by na sequences and pa sequences ; in chap 3 we are enlightened by cheng and wang [ 8 ], extend some results in gut and steinebach [ 7 ], obtain the precise asymptotics for renewal counting processes and depict the convergence rate and limit value of renewal counting processes precisely ; at last, in the study of na sequences, su, zhao and wang ( 1996 ) [ 9 ], lin ( 1997 ) [ 10 ] have proved the weak convergence for partial sums of stong stationary na sequences. however product sums are the generalization of partial sums and also the special condition of more general u - statistic

    但在更多的場合中,構成計數過程的變量未必相互獨立,而在各種相依關系中,負相協( na )和正相協( pa )是頗為常見的關系,這方面的研究和應用也是頗有價值的,本文的第二章證明了na列和pa列構成的更新計數過程的wald不等式和基本更新定理的一些初步結果;本文的第三章則是受到cheng和wang [ 8 ]的啟發,推廣了gut和steinebach [ 7 ] )中的一些結論,從而得到了更新計數過程在一般吸引場下的精緻漸近性,對更新計數過程的收斂速度及限狀態進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林正炎( 1997 ) [ 10 ]已經證明了強平穩na列的部分和過程的弱收斂性,而乘積和是部分和的一般,也是更一般的u統計量的特況,它與部分和有許多密切的聯系又有一些實質性的區別,因此,本文的第四章就將討論強平穩na列的乘積和過程的弱收斂性,因為計數過程也是一種部分和,也可以構成乘積和,這個結果為研究計數過程的弱收斂性作了一些準備。
  17. The one of its basic characteristics is that the system is highly sensitive to original condition, that is to say, the system ' s output, with the time went by, assumes index increase because of the system ' s little difference of original condition, ca n ' t be accepted, it could not be used without being controlled

    它的基本特徵之一是系統對初始條件的端敏感性,即初始條件的微小差異會時間的演呈指數增長,最終不可接受。其長期行為表現出明顯的,如不加以控制,根本無法應用。
  18. This paper explains the basic knowledge and basic theories of national debt, gives the calculating formula of construe and stochastic construe separately. combing with the monadic regression model, the paper analyses the development of issuing scale of national debt of our government annually, studies the evolvement of scale of national debt and its relevant policies, and analysis the experience indexes measuring scale of national debt which is prevail in the world quantificationally. comparing with western developed countries further, based on that, there is a conclusion in this paper, the government issuing scales of national debt is appropriate at present, but it is impossible to increase the issuing scale

    本文闡述了國債的基本知識和基本理論,用數學分析和分析的方法分別給出了債券的收益率和債券定價的計算公式,結合國債規模的一元回歸模型,仔細分析了我國政府年度舉債規模的發展變,研究我國國債規模及相關政策的演變,並就國際流行的衡量國債規模的經驗指標進行了定量分析,由此進一步與西方發達國家進行比較,得出我國現階段國債的發行規模是適度的,但進一步增大發行的空間不大,為避免財政風險,發行規模應逐漸減小,積的財政政策應在適當的時逐漸淡出。
  19. The polarization of linear controlled branching process in random environment

    環境中線性控制分枝鏈及其兩性質
  20. In line with the actual english teaching states the research mainly employs the questionnaire method and the auxiliary random interview with the teachers and students to discuss the followings. 1. the division of the groups ; 2. the division of the students " individual tasks in the co - learning and how to control the process ; 3. the detail contents in the classroom teaching ; 4. the order of the teaching process ; s. the appraisal of the co - teaching ; 6. the effect on the polarization " s changing ; 7. the level of learning strategies in english employed by the students ; s. the management of the classroom teaching ; 9. how to enhance the teachers " enthusiasm by improving the level of the administration

    為了這也有本研究本著從實際出發的原則,結合高中教育教學現狀,以問卷調查為主,輔之以訪談,就「合作教學」中的如下問題: 1 、關于/ j 、組戊叮分問題; 2 、組員間的分工與小組控制問題; 3 、師生「合作」的具體內容; 4 、關于課堂教學各組成部分的順序問題; 5 、 「合作教學」的評價問題; 6 、 「合作教學」對改變兩的效果問題; 7 、關于學生在「合作學習」中對學習策略的使用問題; 8 、課堂教學管理問題,又長致師和學生分別進行了調查、訪談。
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