表面偶極子 的英文怎麼說
中文拼音 [biǎomiànǒujízi]
表面偶極子
英文
surface dipole- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 極 : 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...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
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The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section.
偶極諧振子和可以用積分后的光子吸收截面來表示。The absorption characteristics was that the surface plasma absorption peak appeared around 570 nm shifted to a short wavelength and strengthened as the cu composition increased. but the maximal shift range of the absorption - edge preponderated over 500 nm, and leaded that the dipolar plasma resonance absorption peak were covered up and gradually disappeared in the absorption spectrum. we theoretically explained the mechanism of the modulating action
實驗觀察到cu表面等離子體共振吸收峰位在570lun附近的吸收邊頻移量超過了500nln .理論分析表明,吸收峰位的移動主要源於偶極共振,而峰形的寬化主要由納米粒子的表面效應和量子尺寸效應引起On the surface of msta, there exists true dipole mode in the indian ocean, that ' s to say that if the temperature anomaly in the western indian ocean is positive, it is much likely that there is negative anomaly in the eastern indian ocean. dipole mode also exists in the pacific as that in the indian ocean. by virtue of the walker circulation and the similar circulation above the indian ocean, it is showed that the air - sea interaction events in the tropical pacific and the indian ocean develop with each other at the same time
由於在次表層海溫距平極值面上,熱帶西、東印度洋的海溫距平呈真正意義的偶極子模態,即當西印度洋海溫距平為正(負)時,東印度洋海溫距平為負(正) ,偶極子模態的海溫距平分佈在熱帶太平洋同樣存在,兩大洋海溫距平的偶極子模態間有密切的聯系,結合walker環流和印度洋上空的類似walker環流,進而指出熱帶印度洋和太平洋海氣相互作用事件是協調發展的。The results indicate that compared with the antenna without reflecting structure, the proposed antenna achieves broader impedance bandwidth, increases the forward radiation gain and has stronger backward radiation suppression
結果表明,與沒有地平面反射結構的天線相比,該印製偶極子天線增加了抗帶寬,提高了前向輻射增益,抑制了後向輻射。We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results
利用電極化的邊界屏蔽近似,可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態,其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀,和實驗觀察到的結果一致The unknown source strength of cavitation is always arranged on the propeller blade surface in the solving process, but the integration is carried out along the cavity surface of last iterative step when the strength of cavitation dipole is determined according to dynamic condition
求解過程中待求的空泡源強始終布置在槳葉表面上,而在根據動力學條件求解每一步的空泡麵元偶極子強度時,積分是沿著上一步迭代確定的空泡表面進行的。We also derive the expression of the signal obtained from random position by the magnetic field sensor. then we construct five - dimension nonlinear equation group for the signal obtained by the magnetic field sensor and solve them, so that we can realize 3d localizing and navigation for endoscope probe
我們根據電磁場理論推導出位於正四面體六條棱上的差分磁偶極子在空間任意點的場強表達式及探頭感應磁場信號的原理,然後建立起五元非線性方程組進行定位求解。The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges
簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶極子,有限長磁偶極線和極帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽深度對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data
採用面元法預報大側斜螺旋槳水動力性能,螺旋槳表面及尾渦面離散為四邊形雙曲面元,每個面元上布置等強度源匯和偶極子分佈.對于大側斜螺旋槳而言,槳葉表面採用常規的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元,這容易使槳葉表面速度的計算結果不正確,甚至會導致迭代過程發散及計算失敗.文中建立了一種「非常規網格」劃分方法,能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現非線性等壓庫塔條件The computer program has following advantage : the solution of main blade is by iterative scheme in time domain, the kutta condition is used by explicit equal pressure condition, the jacobian matrix which can reflect the influence on the difference between the upper and lower surface at trailing edge by dipole is calculated in each iterative procedure, in order to improve the convergence of iteration
本文編制的螺旋槳非定常性能預報程序是針對主葉在時域中迭代求解的, kutta條件採用的是顯式的等壓條件,求解中為了提高迭代的收斂性,在每次迭代中都重新計算反映偶極子強度對尾緣處上下表面壓力差影響的jacobi矩陣。Based on the deduced vector potentials, the expressions of the electric fields are derived. also the numerical evaluation method of sommerfeld integrals appeared in the expressions is discussed
接著推導出半空間界面附近電偶極子的電場強度的表達式,並討論表達式中索末菲積分的數值求解方法。Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges
文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶極子,有限長磁偶極線和極帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽深度對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。Under the same beam parameters, the intensity gradient near the mirror surface of the blue - detune sfgb is the nearly same as that of the sgb, but the intensity distribution of the fgb is a constant within a larger radial range, the width of the sfgb mirror will far greater than one of the sgb mirror
類似地,半束蘭失諧平頂高斯光束反射鏡和sgb反射鏡相比在yoz平面上的衍射強度梯度是近似相同的,也就是說在入射光束參數相同的條件下,在上述二種反射鏡表面附近入射原子受到的光偶極排斥力大小是近似相同的。Moreover, the longitudinal piece is higher twist ( suppressed by a factor i / a / 2 ). the dipole cross section is largely unknown, only at small distance p it can be expressed in terms of gluon density
偶極截面只有在小距離時才能表示成膠子密度的函數,在整個范圍內求解偶極截面,需要解非常復雜的演化方程,目前是不能做到的。This dissertation use a high - order surface panel method based on b - spline for predicting the hydrodynamic performance of the propeller in steady flow. the b - splme is applied not only to representation of the propeller ' s geometry, but also to represent the doublet strength distribution on the surface of the propeller, which makes the geometry representation and the doublet strength distribution of the propeller more precise
本文採用了一種基於b樣條的高階面元法預報螺旋槳的定常水動力性能,不但用b樣條表達螺旋槳表面的幾何形狀,而且還用其表示螺旋槳表面的偶極子分佈, b樣條的應用提高了螺旋槳的幾何以及偶極子密度表達的精度。分享友人