流動各向異性 的英文怎麼說
中文拼音 [liúdònggèxiàngyìxìng]
流動各向異性
英文
streaming anisotropy- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 異 : 形容詞1 (有分別; 不相同) different 2 (奇異; 特別) strange; unusual; extraordinary 3 (另外的;...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
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We will consider first the case of two-dimensional incompressible steady flow through orthotropic soil.
我們首先考慮二維不可壓縮流體通過正交各向異性土層的定常流動。In order to open the cover of a concentric canister launcher ( ccl ) automatically with the jet during its launching, four schemes are put forward, viz. fracturable cover, eccentrically positioned interior and exterior launching tubes, jet guides of assymmetric construction, and covers made of heterogeneous materials
摘要為實現導彈自力發射時同心發射筒前蓋自動向一側開啟,討論了4種燃氣開蓋方案:易碎蓋方案、內外筒偏心蓋方案、半導流錐方案和各向異性材料發射筒蓋方案,並用數值方法模擬了各種方案的筒內復雜三維流場。The content of this paper is arranged as foll owing : chapter 1 introduces the concept of credit, credit risk and credit assessment, as well as the history and development of credit assessment ; chapter 2 introduces the history of ai technology, and the background of expert system and neural network. characters and disadvantages of expert system and neural network are presented respectively and the necessity of combining expert system and neural network is lightened ; chapter 3 shows the process of dealing with sample data, including the treatment of exceptional data and factor analysis, and puts forward the concrete framework of the mixed - expert credit assessment system ; chapter 4 introduces concept of object - oriented technology, and constructs object model and functional model after analyzing the whole system. it also illustrates the implementation of concrete classes by an example of rule class and the inference algorithm in the form of pseudocode ; chapter 5 introduces the structure of the whole system, the major functional models and their interfaces, and the characteristic of the system is also generalized ; chapter 6 summarizes the whole work, and points out the remaining deficiencies as well as the prospective of this method
本文具體內容安排如下:第一章介紹了信用、信用風險、信用評價的概念,回顧了信用評價的歷史、發展和現狀,並綜合各種信用評價模型,指出這些模型各自的優缺點:第二章簡單描述了人工智慧技術,著重介紹有關專家系統與神經網路的基礎知識,通過總結它們的優缺點,指出結合專家系統與神經網路構造混合型專家系統的必要性;本章還介紹了神經網路子模塊的概念,提出了混合型專家系統的一般框架與設計步驟:第三章對樣本數據進行處理,包括異常數據的剔除、因子分析等,提出了信用評價混合型專家系統的具體框架結構,介紹了系統知識庫的主要部分、基於優先級的正向推理機制的流程、以及基於事實的自動解釋機制的具體實現方法;第四章介紹了面向對象技術,進而採用面向對象對信用評價系統進行分析,建立了對象模型和功能模型,並在此基礎上,採用c + +語言以規則類為例說明系統中具體類的實現,用偽代碼的形式描述了推理的演算法;第五章描述了整個系統的結構,對系統主要功能模塊和界面進行了介紹,並總結系統的特點;第六章總結了全文,指出本文所構造系統存在的不足以及對將來的展望。The optical activity resulting from the anisotropic attenuation of different linearly polarized light is considered, and the attenuation of linearly polarized light lies in the light reflection on the interface and the absorption in the er fluids
考慮了電場作用下各向異性電流變液對入射線偏振光矢量不同振動方向的衰減不同而引起的旋光效應(電致旋光效應) 。Based on the analytic analysis of the linear synchronous motor ’ s layered model, the paper deducted the composing of air gap magnetic fields and the analytic expression of levitating and advancing force. these results provide theoretic guidance not only for the analysis and measurement of the vehicle ’ s air - gap magnetic fields but also for the eatablishment of the
採用各向異性介質近似模擬齒槽區域,並引入定子和轉子等效電流層的概念,建立了直線同步電機的磁場分層模型,在此基礎上得到了氣隙磁場的組成以及懸浮力和推力的解析表達式,為氣隙磁場的分析和測量以及列車運動情況下電磁力軟測量模型的建立提供了理論指導。Like other liquid crystals ( lc ), chorlesteric phase liquid crystal ( clc ) not only owns liquidity, deformability and viscosity of liquid, but also holds the optical anisotropy of crystal
膽甾相液晶同其他液晶態物質一樣,既有液體的流動性、形變性、粘性,又具有晶體的光學各向異性,是一種優良的非線性光學材料。( 4 ) wavy distribution of soil water along hillslope resulted from the fluctuation of runoff, upslope runoff infiltration, lateral downslope flow, and the difference of infiltration rate and evapotranspiration
( 4 )土壤水分沿坡面呈「波浪形」分佈是坡面徑流的波動性、上方來水(徑流)的沿程入滲、側向沿坡向下流以及坡面各處入滲性能和蒸發蒸騰作用的差異等綜合作用的結果。Add up to the oil deposit carries on parameters such as year, month output, daily output and oil pressure moisture content etc, and uses the man - made nerve communication method to analyze the nonhomogeneity characteristic of seam cave mould oil deposit system
油氣從地層向井筒的動態滲流過程,直接受儲層各向異性影響。對油藏進行年度、月產量、日產量、油壓含水率等參數統計,利用人工神經網路方法分析縫洞型油藏系統的非均質特徵。Specifically, we present a full velocity difference ( fvd ) car - following model, a cellular automata ( ca ) model that considers the velocity effect of the preceding car, another ca model that can describe the synchronized flow, and a speed gradient ( sg ) macroscopic model which can describe the anisotropic properties of traffic flow
具體地說,我們提出了一種全速度差車輛跟馳模型,一種考慮前車速度效應的元胞自動機模型,另一種能較好模擬同步流的元胞自動機模型,以及一種能體現交通流各向異性特徵的速度梯度宏觀連續模型。Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented
論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線,討論了利用小波分析的奇異性來判斷故障啟動時刻,提出將小波分析和人工神經網路結合,利用人工神經網路的非線性逼近能力,實現故障暫態量到故障距離的非線性映射,完成測距。So lead to their polarization behavior not as good as edge lasers. the paper researched the polarization of vcsel theoretically and experimentally, the main work is as follows : part. without consideration the applied strain and temperature, we resolved numerically the maxwell - bloch equation through four - energy level polarized dynamic model
通過四能級偏振動力學模型,在不考慮外加應變以及溫度的前提下,對maxwell - bloch方程進行數值求解,研究了隨著注入電流以及各向異性的變化引起的vcsel的出射偏振光的強度、頻率和相位變化。As a kind of condensed state matter, the characteristic and structure of liquid crystal between solid crystal and isotropic liquid. it is a ordering liquid, as the macroscopical characters are concerned, it have the flowing power and viscidity like liquid, and the anisotropy like crystal, it has birefringence, bragg reflection, diffraction and optical rotation like crystal. furthermore, it has thermal light effect, electrical light effect or magneto optical effect in outside field
它是一種有序性的液體,從宏觀物理性質上看,既具有液體的流動性、粘滯性,又具有晶體的各向異性,能象晶體一樣發生雙折射、布拉格反射、衍射及旋光效應,也能在外場作用下產生熱光、電光或磁光效應。The results show that rsm can accurately simulate the movement of the turbulent buoyant flow in reservoir and the anisotropic turbulence due to the thermal stratification. however, rsm is difficult in convergence, bad stability and more time consuming. rsm is suitable when the high accuracy is concerned and geometry boundary is simple
結果顯示, rsm模型能精確模擬水庫中湍浮力流運動規律和由於溫度分層引起的紊動量的各向異性的特徵,但其收斂性、穩定性及經濟性較差,適用於計算精度要求較高且流域邊界較為簡單的流動。In the fourth chapter, by using the theory of regional potential energy, aiming at the regional layout of international direct investment in china, the author made an analysis on the cause resulting in the nonequilibrium layout of foreign investment and the effects on the changes of regional economic structure caused by the regional layout of foreign investment and forecasted the tendency for importing foreign investment of the provinces, municipalities directly under the central government and autonomous regions. in the conclusion, according to the theory of regional potential energy, the author set forth the law of motion of international direct investment. regional potential energy is determined by the nature, combined mode and development of the elements in the region
結論部分在總結正文的基礎上,根據區域勢能理論,歸納出國際直接投資的運動規律:區域內備項要素的性質、組合與發展變化決定了區域勢能的大小;而各區域的勢能差異,必然對資本的區域間流動產生強烈的影響,並決定其定向運動的規律;作為經濟發展的關鍵性要素,外資進入后,又將通過區域勢能的激活效應重塑區域社會經濟現實,從總量與結構等各個方面改變區域的發展水平和發展方向,並最終決定新一輪區域勢能的形成及其性質和特點。分享友人