相變級數 的英文怎麼說
中文拼音 [xiāngbiànjíshǔ]
相變級數
英文
order of phase transition- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 級 : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
- 數 : 數副詞(屢次) frequently; repeatedly
- 級數 : [數學] progression; series; number of stages; number of steps; stage number級數變換 transformatio...
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Theorem 9 ( rearrangement theorem ) the terms of an absolutely convergent series can be rearranged without affecting either the convergence or the sum of the series
定理9 (可交換性定理)絕對收斂級數經改變響的位置后構成的級數也收斂,且與原級數有相同的和(即絕對收斂級數具有可交換性) 。In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found
本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響,採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比,同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著,因此,以二者為自變量建立了二元線性回歸方程,通過全相關系數的檢驗發現方程較為理想。此外,還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗,發現磷酸有較好的耐水性效果,同時找到了其合適的摻量范圍。Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step
在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案,根據該傳動系統方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數,為下一步的電機控制系統模擬實驗打下基礎。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。The exact expression is n = 4 ", in which n is the stage of koch curve. since we only consider one generator in computation process, so we simplify it as n = 4 ). the critical point of this kind of koch curve is zero, also called zero temperature phase transition, and this is the character of all the limited branching systems
無分支科赫曲線是一種典型的分形,前人的研究都局限於n = 4 ( n是用線元,面元,或體元覆蓋分形系統所需要的覆蓋次數,確切的應該寫成n = 4 ~ n ,其中n為科赫曲線的級,但我們在重整化群計算時只考慮一個生成元,所以簡化為n = 4 )情況,這種科赫曲線的相變點為零,是一種零溫相變,這也是有限分岔系統的相變特徵。Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions
雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法,研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量,採用多變量數值尋優方法,在戰術技術指標及相關幾何約束條件下,對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能,還改善了結構的受力情況,與工程實踐吻合In the second part of the thesis, the non - thermal phase transition in high energy collisions is studied in detail in the framework of random cascade model. the relation between the characteristic parameter xq of phase transition and the rank q of moment is obtained using monte carlo simulation, and the existence of two phases in self - similar cascading multiparticle systems is shown. the relation between the critical point qc of phase transition on the fluctuation parameter q is obtained and compared with the experimental results from na22
文章第二部分中,我們用隨機級聯模型對高能碰撞中的非熱相變作了仔細研究,用montecarlo模擬得到了表徵相變的特徵參數_ q與矩階數q之間的關系,證實了自相似多粒子系統中存在兩相,求出了相變點q = q _ c對起伏參數的依賴關系,並和na22實驗結果進行了比較。On the other hand, relationship between doping concentration, phase transition temperature, magnitude of resistance change and hysteresis width was investigated
在此基礎上,本文進一步探討了摻雜濃度與vo _ 2薄膜相變溫度、電阻突變數量級以及熱滯寬度的關系。Then, the effect of vacuum annealing temperature on vo _ 2 thin film phase transition temperature, magnitude of resistance change and hysteresis width by doping zr ~ ( 4 + ) was discussed
( 2 )本文以摻鋯為例,探討了不同的真空退火溫度對vo _ 2薄膜的相變溫度、電阻突變數量級以及熱滯寬度有何影響。This paper firstly applied sequential cluster method to set up the classification standard of precipitation state based on the fact that there are much uncertainty and imprecise characteristics in the precipitation course ; then this paper presented a method which is called markov chain with weights to predicted the future precipitation state by regarding the standardized self - coefficients as weights based on the special characteristics of precipitation being a dependent stochastic variable ; and applied this method to a real hydrological observation station with nearly 50 years precipitation information in shanxi province at last, an ideal result was obtained
摘要首先基於降水過程存在大量不確定性、不精確性的特點,應用有序聚類的方法建立降水豐枯狀況的分級標準;然後針對降水量為相依隨機變量的特點,採取以規范化的各階自相關系數為權重,用加權的馬爾可夫鏈模型來預測未來降水的豐枯變化狀況;最後以山西省某水文站近50年的降水資料為實例對該方法進行了具體的應用,獲得了較為滿意的結果。One is to use fourier transformation to convert the source signal from time domain to frequency domain and to discard high frequency harmonious components upwards of 19 ( gb / t14953 - 93 d5. 3 demanding ), then to have static huffman coding to the quantized char array which is composed of reserved direct current component and basic wave and each high frequency " s amplitudes and angles. the other is to use discrete wavelet transformation to convert the source signal from time domain to frequency domain and to set the high frequency coefficients that its absolute value is smaller than the given threshold to zero, then to have dynamic huffman coding to the quantized char array which is composed of multiple, wavelet ' s level, datum length, low frequency coefficients and reserved high frequency coefficients. mass simulinks and analyses under the two circumstances have done to show that data compression ratio is small and the relative error is also small and within the permission of engineering and the compression problem can be solved in theory of measured datum of power system
第一種情況的壓縮方法為:採用傳統的傅立葉變換把原始信號從時間域變換到頻率域,舍棄20次及其以上的高次諧波成分(保證了gb / t14953 ? 93d5 . 3要求) ,然後對保留的直流分量、基波和各次諧波的幅值和相角數據量化后和量化時分別乘以的倍數系數構成一個數組,以字元形式保存,採用靜態huffman編碼對變換數據進行壓縮;採用離散小波變換把原始信號從時間域變換到頻率域,然後對分解得到的高頻系數進行閾值量化處理,對乘以的倍數系數、小波變換的階數、小波變換后的低頻、各級高頻以及原始數據長度、量化后的低頻系數以及保留的高頻系數大小、位置構成一個數組,以字元形式保存,採用動態huffman編碼對這個文件進行壓縮。The result of a case studying shows that the settlement calculated by large strain consolidation theory is large than that by infinite strain theory during the consolidation procession, but the final settlements calculated by both theories are same. more general assumptions than that in the classical consolidation theory is adopted and the exact analytical solution of nonlinear finite strain self - weight consolidation based on this assumption is obtained. by applying same experiment data, the comparison of the solutions of linear and nonlinear finite strain theory, as well as the numerical solution from finite element method is presented
對此模型求得到了某些特殊條件下的lagrange級數解答,並通過尾礦沉降池實例分析,驗證了所得解答的合理性和有效性;建立了土體在堆積過程中的大應變固結模型,通過其對稱性構造出相似變量之後,由攝動法求得了近似解析解答,並通過試驗數據與傳統的線性化固結理論的解答相比較,顯示了傳統線性化固結理論在該問題上的局限性。Making analogy with the " " spin - glass " phase in polymers, peschanski put forward the idea that there exists non - thermal phase transition in multiparticle systems. a parameter xq has been introduced to characterize the non - thermal phase transition
通過類比聚合體中的「自旋玻璃相」 , peschanski提出隨機級聯的多粒子產生過程中存在非熱相變,並提出表徵相變的特徵參數_ q的公式。The paper attempt to applied sequential cluster method to set up the classification standard, then it regards the correlation coefficients of record values as weights and predicts the future loads by using markov chain model with weights. this method make the best of the information comprised in load series and solved the problem of obtaining weather information. not only the concrete value of the monthly sales electric energy but its range in the future is gained
實際上,各月份的氣象、經濟因素之間具有一定的相關性,這些相關信息已經包含在負荷序列中,本文嘗試將馬爾可夫鏈理論應用於負荷預測之中,應用聚類分析的方法確定分級標準,將負荷分為不同的狀態,根據狀態之間的轉移概率來推測未來負荷的發展變化,並將觀測值之間的相關系數作為權值進行綜合預測,更加合理地利用了負荷序列中包含的信息,不僅可以預測出未來負荷的具體值,而且得到了其所屬的區間,具有一定的實用價值。Some limit properties of sequences of arbitrary b - valued random variables are studied by using truncation methods of random variables and conditional three series theorem, a class of strong limit theorems and convergence theorems for martingale difference sequences related to the conditional expectations are obtained, and some conclusions corresponding to these and some classical strong laws of large numbers are generalized
摘要利用隨機變量的截尾方法和條件三級數定理,研究任意b值隨機變量序列的極限性質,得到了一類關于條件期望的強極限定理和鞅差序列收斂定理,推廣了與此相應的一些結果和若干經典的強大數定律。This paper is mainly devoted to the problem of how the correlation of the adjacent coefficients in the wavelets transform and the multiscale mean values are used in image - layered coding and transporting. first, the wavelet transform is studied
本文主要研究了如何利用圖像小波變換域中的相鄰系數間的相關性、利用均值塊來實現小波系數的分級編碼和傳輸,從而實現了圖像的分級傳輸功能的問題。At last, combining the related knowledge of wavelet theory and hidden markov models, we introduce wavelet transformation for nonparametric estimation of hmm ' s and discuss how to choose resolving scale of haar - wavelet orthogonal series " estimation
最後,結合小波理論和隱馬爾科夫模型的相關知識,將小波變換應用到隱馬爾科夫模型非參數估計問題中來,並探討了其中haar小波正交級數估計量分解尺度的選取。Compared with testing results at different annealing temperatures ranging from 350 to 500 c, it was found that vo _ 2 film annealed at 450 c exhibits lower phase transition temperature and significant resistance change
通過對比不同退火溫度下的測試結果可知:經450退火后的摻雜vo _ 2薄膜與其它退火溫度所得的vo _ 2薄膜相比,具有較低的相變溫度以及較為明顯的電阻突變數量級。Comparison of the folt induced by colored noise in intensity and phase fluctuations shows that the number of the extremum in the steady state distribution is changed from one to two, and then to three successively for colored noise intensity fluctuation
對色噪聲強度漲落和色噪聲位相漲落誘導的一級相變類比進行比較表明,色噪聲強度漲落情形下,定態分佈函數的極值點由一個變為兩個,再變為三個。Firstly, decoupling theory is applied to analyze multiplicative colored noise in a single mode laser system. steady state intensity distribution function with colored noise is obtained. the first - order - like phase transition driven by multiplicative colored noise is studied and compared with the case of multiplicative white noise
首先用退耦理論分析了單模激光場中的乘性色噪聲,導出了含有色噪聲的激光場定態強度分佈函數,討論了乘性色噪聲誘導一級相變的條件。分享友人