極向分子 的英文怎麼說

中文拼音 [jíxiàngfēnzi]
極向分子 英文
polar molecule
  • 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...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 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...
  1. The molecule of liquid crystal is organic macromolecule, so we usually describe the interaction with pah * potential model, such as lebwohl - lasher model ( l - l model ). however this model only describe spatially isotropic interaction, excluding pairwise additive interaction

    由於液晶分子為有機大分子，通常只能通過模型兩體勢描寫其相互作用，如： lebwohl - lasher模型（ l - l模型） ，但是該兩體勢模型僅限於空間各向同性相互作用，不包括分子間偶極型相互作用對其貢獻。
  2. The thesis includes three parts : firstly, previous study and latest advance of molecular motor in biology are outlined, including myosin ' s and kinesin ' s construction and function, the latest advance of molecular motor in constructional biology ; secondly, the latest advance of molecular motor in physics is reviewed, including the general view of brownian motor and two examples of molecular motor, one being related to two kinds of flashing potention energy, the other being related to electronical bipole ; and finally, the model on unidirectional motion of molecular motor is in detail come up with, and especially, the interact ion between two heads is taken into account, followed by the construction of langevin equation and fokker - planck equation involved in the model. by using solutions of fokker - planck equation, unidirectional motion mechanism of molecular motor is analyzed

    本文內容包括：首先綜述生物學領域分子馬達研究的最新進展，內容安排為：肌球蛋白的結構和功能，驅動蛋白的結構和功能，肌球蛋白和驅動蛋白定向運動機制的結構生物學方面的最新進展；其次綜述並分析了當前研究分子馬達定向運動機制的幾種物理模型，內容安排為：分子馬達運動的基本觀點和建構模型的一般方法，勢壘的兩態漲落誘導的分子馬達運動模型，分子馬達定向運動的偶極子模型；最後討論雙頭相互作用的分子馬達模型，內容安排為：先詳細論述模型的構建，再建立langevin方程和fokker - planck方程，接著用差分的方法求解出fokker - planck方程的解，然後分析和研究分子馬達定向運動的機制。
  3. These results indicate that the magnetic field should have upper stability when the particle beam is low polarized while the requirement of the stability of the magnetic field can be lowered when the particle beam is high polarized in the experiment of producing the polarization of the particle beam. and the complementariness can be used as a negative feedback to stabilize the polarization of particle

    這一結果表明，在產生離子束極化的實驗中，在離子束低度極化的前期階段，磁場應具有較高的穩定性，而在離子束極化度較高的後期階段，磁場的穩定性要求可以放鬆；自旋的縱向分量的無規漲落和橫向分量的無規漲落的互補性有可能用來做成穩定離子極化的負反饋。
  4. At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation

    同時，在此基礎上，利用su （ 2 ）代數動力學方程研究了加速器中帶自旋離子的極化對磁場的含時無規擾動的穩定性問題，發現：低度極化的系統對磁場無規擾動十分敏感，而高度極化的系統對磁場無規擾動十分穩定；自旋守恆導致自旋的縱向分量的無規漲落和橫向分量的無規漲落存在著互補性。
  5. Hexapole rotational state - selection and orientation of b - type prolate limit asymmetric top molecules

    型長不對稱陀螺分子在六極靜電場中的轉動態選擇和取向作用
  6. Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth

    值分佈以及場向電流強度和密度隨亞暴位相的變化，並著重分析了亞暴電流楔的特徵。結果表明，亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的，其起始位置很可能位於近地等離子體片內邊緣。
  7. We believe the fine mechanical properties of tubular film are related to its fine chain orientation structure by using pole figure investigation and polarized fourier transform infrared ( ftir ) spectra analysis, the modes of orientation for flat and tubular films are obtained. it was found that the cellulose chains of the flat and tubular films have an uniplanar orientation mode with respect to the film surface

    通過x衍射織構（極圖）分析和偏振紅外光譜分析建立了平膜和管膜的取向模型：平膜和管膜都有單平面取向；平膜中的分子鏈在膜表面內呈無規取向:管膜中的分子鏈則相對于拉伸方向有明顯擇優取向。
  8. Our main conclusions are that surface polar interaction can give rise to a transition from a high temperature homogeneous alignment to a low temperature hometropic alignment, that if the strength of the surface polar interaction is weaker than the one of surface dispersion interaction, the homogeneous alignment of the nematic is always stable. part ii : a two - particle cluster theory is presented to study the effect of a solid bounding surface on the nlcs formed by polar molecules

    獲得的重要結論是：摩擦基板與液晶分子間的表面極性相互作用能引起基板間向列相液晶分子指向矢出現高溫沿面到低溫垂面的轉變；當表面極性作用強度弱於表面色散作用強度時，基板間向列相液晶分子平行於基板的排列非常穩定。
  9. This new radial reflex klystron oscillator with virtual cathode is designed and simulated by 2. 5 - d pic code

    分析了電子束在徑向反射腔中形成虛陰極的過程和虛陰極對電子束的調製作用。
  10. In the last part of the paper, we derive the euclidean equation of motion of the magnetic vector in a theoretical magnetic film consisting of biaxial - anisotropic molecular ferromagnets, which is reduced to the 2 + 1 dimensional sine - gordon field equation in the strong anisotropy limit. we obtain various domain structures which are the static solutions of the sine - gordon field equation

    最後考慮由雙軸各向異性分子磁體形成的理想無界膜，在強各向異性極限下，採用半經典近似方法，將磁化矢量的時空運動方程約化為2 + 1維sine - gordon場方程，從而得到各類疇結構。
  11. The uniqueness of the russian intelligentsia lies in its strong sense of responsibility of saving their nation, and its spirit of self - sacrifice, the duality and conflict as shown in its thinking and action, the baselessness and extremist tendency of their behavior

    俄羅斯知識分子的獨特性在於：具有強烈的濟世救民的使命感和自我犧牲的聖徒精神，思想和行動表現出雙重性、矛盾性、無根基性和極端主義傾向。
  12. There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated

    空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法，包括:極大似然估計法（ ml ） 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法，包括:矢量特徵法、多重信號分類法（ music ） 、投影矩陣法等。其中， music法是一種經典的空間譜估計主流演算法，具有超強的分辨性能，但它無法實現對相干信號進行測向分辨。
  13. The measures that protect them from palestinian extremists, such as special settler - only roads and hundreds of checkpoints and roadblocks, stifle the west bank ' s economy and drive even more palestinians to extremism

    為了避免遭受來自巴勒斯坦激進分子的襲擊，他們採取了種種保護措施，如僅允許定居者通過的特別通道，設置數百個檢查站和路障，扼殺西岸經濟並且驅逐更多極端主義傾向的巴勒斯坦人。
  14. The results show that the number of the squeezed atomic dipoles is decided by the coherence of the atom, the direction of the quantum information entropy squeezing is decided by the phases of the field and the atom, and the quantum information entropy squeezing is a precision tool for the squeezing of the atom, especially when the atom is in the eigenstates of the dipole operators

    結果表明：原子偶極矩分量出現信息熵壓縮的數目依賴于原子的分佈角；信息熵壓縮的方向由原子和場的位相決定；量子信息熵是原子壓縮的精密量度工具，尤其適合於原子處在偶極矩算符的本徵態時壓縮情況的描述。
  15. It was found that more rolling passes lead to homogenous rolling deformation and benefit the formation of final cube texture

    並用三維取向分佈函數織構定量檢測和掃描電子顯微鏡觀察、研究了超薄型高壓陽極鋁箔的立方織構及其對腐蝕比電容的影響。
  16. The microcrystalline was same to the direction of electric field. the microcrystalline orientation of the film that was obtained by melting pvdf congealing in the effect of electric field changed along electric field obviously. comparing with the film congealing without electric field their crystalline plate become thick

    發現pvdf纖維在電場作用下微觀結構變化較大，極化后微晶取向發生較大變化，極化以後微晶變化為沿電場方向取向的厚片狀，熔融態的pvdf在電場作用下凝固時變化更明顯，與不加電場直接凝固的pvdf膜相比，在電場作用下幾乎所有的分子鏈都沿電場方向取向所以出現有序的片晶結構，而且結構緻密。
  17. From magnetic fields in pf coils of east expressed as elliptic integrals, the heat load of pf coils during plasma discharge is determined

    摘要通過求解橢圓積分，計算了east極向場系統的磁場分佈，從而計算出極向場線圈在等離子體放電過程中的熱負荷。
  18. Abstract : in tokamak plasma radiation diagnostics, if the width of a detected plasma chord is comparable with the plasma minor radius, the plasma boundary may influence the line - integrated emissivity considerably and make it a weighted integral of the width - averaged emissivity

    文摘:在托卡馬克輻射診斷中，當探測束線的極向寬度與等離子體小半徑可以比較時，等離子體邊界會顯著影響線積分輻射率，使其成為寬度平均輻射率的帶權重的線積分。
  19. Hyperpolarizability of chiral molecule was derived from the classical model of the coupled two - vibrator. in a given condition, the expression of cubic hyperpolarizability was calculated from an isotropic chiral medium, it is also derived the macroscopic third - order nonlinear susceptibility according to the microscopic cubic hyperpolarizability

    本文從手性分子的耦合雙振子經典模型出發，推導出手性分子的超極化率.在特定情況下，給出了三階非線性極化率的表達式.基於該模型討論了手性介質分子各向同性分佈的宏觀非線性極化率
  20. The results indicate that the value of squeezed component of the atomic dipole, squeezed frequency, amplitude and squeezed direction of the atomic information entropy ca be controlled by choosing the atomic initial state, the velocity of atomic motion, the field structure and the squeezing factor of field and the squeezing phase angle of the field, respectively

    結果表明，通過選擇原子初態，原子運動速度、場模結構，場壓縮因子和場壓縮相位角可以分別控制原子信息熵壓縮的偶極矩分量值、壓縮頻率、壓縮幅度和壓縮方向。
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