nlc 中文意思是什麼

nlc 解釋
設計教程
  1. There are two innovated points in this paper. the first is that we abandoned mechanical apparatus in deflexion, and this is good for signal ’ s disposal. the second is that we adopted nlc facility and this will largely lighten apt systerm ’ s size, weight and power consumption

    本論文的創新主要在於兩個方面: （ 1 ）摒棄了機械式的偏轉控制，便於其後的信號處理。且該器件驅動電壓低（約3伏） ，功耗小（毫瓦級/平方厘米） 。
  2. The anchoring energy takes the modified rapini - papoular expression, and the planar alignment nlc cell under external magnetic field will be studied. the fundamental formula and the boundary condition of 6 are deduced analytically

    錨定能採用修正後的rp公式，用解析的方法詳細研究了外磁場作用下沿面校列向列液晶盒。
  3. In this paper, the non - symmetric planar aligned nlc cell with weak anchoring has been mainly investigated. the primary contents are stated as follows. 1

    本文以弱錨定不對稱沿面校列向列液晶盒作為研究對象，主要的內容包括以下幾個主要方面： 1
  4. Difference iterative method was used to estimate numerically director configurations in the nlc - bl037 cell in this paper. the refractive indices and phase retard of nlc in electric field was presented on the basis of the calculation of liquid crystal director distributions. then we analysed the diffraction phenomenon when the linearly polarized light was controlled by diffraction grating which was based on rectangular grating and sinusoidal phase grating models and we got it ’ s math model 。 finally we designed the nlc phase grating and we did the experiment to validate the theoretic calculation

    文中利用差分迭代法計算了向列相液晶bl037盒中指向矢分佈的計算，根據指向矢的分佈情況得到了向列相液晶的雙折射率分佈和非常光通過液晶盒產生的相位延遲隨電壓變化;並在矩形光柵和正弦相位光柵的基礎上，分析了入射偏振光通過液晶電控光柵所產生的衍射情況。
  5. Excusc nlc where is the lllcll ' s room

    對不起，男洗手間在哪裡
  6. The details are described as follows : 1. the photonic bandgap theory based on total internal reflection ( tir ) pcfs filled with by high index material ( nlc ) is proposed for the first time. based on this theory, the effects of nlc - filled tir - pcfs on the transmission mechanism and propagation properties are studied using plane - wave method and full - vector fem

    主要研究內容和成果包括以下基本方面: 1 、首次提出基於填充高折射率介質（液晶）的折射率引導型pcf的光子帶隙理論分析方法，在此理論的指導下，採用平面波展開法和有限單元法研究了填充對光纖傳導機制和傳輸特性的影響，研究結果表明液晶填充可以實現光子晶體光纖導光機制的轉變。
  7. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  8. The results show that transformation of transmission mechanism and much higher birefringence can be achieved after nlc - filling. farther, we firstly demonstrate the realization of modulating pbg and modes of pbg - pcfs by changing refractive index filled of filled nlc by virtue of temperature or electric field, and finally tunable

    在此研究的基礎上，首次提出並設計出通過用溫度或者電磁場來調節空氣孔中液晶的折射率來連續調節這種高雙折射光子帶隙光纖中的傳輸帶隙和傳導模式，最終實現的高雙折射可調的光子帶隙光纖。
  9. The property of freedericksz transition and the bistable state for nematic liquid crystal ( nlc ) cell in the surface physics of liquid crystal ( lc ) have been one hot point of current lc science

    液晶錶面物理中弱錨定向列液晶盒的freedericksz轉變的性質以及與此相連的雙穩態問題是目前液晶科學的一個熱點問題。
  10. In the elasticity theory of nematic liquid crystals ( nlc ), physics principles are described by variation problem initially. so in this paper we use finite elements method to solve this variation problem directly

    在液晶的彈性理論中物理規律的數學描述最初是變分問題，因此本文通過有限元方法直接對這一變分問題進行數值求解。
  11. There is a paradox between discontinuity of director field and suppose of continue theory of nlc. this is termed " the oldano - barbero parodox " and has been the object of some debate in many literatures

    邊界處的不連續（無限形變）與連續體理論要求連續（很小形變）的假設是矛盾的。
  12. The property of freedericksz transition and the problem of bistable state for weak anchoring nematic liquid crystal ( nlc ) cell in the surface physics of liquid crystal ( lc ) have been one hot point of current lc science

    液晶錶面物理中弱錨定向列液晶盒的freedericksz轉變的性質以及與此相關的雙穩態問題是目前液晶科學的一個熱點問題。
  13. With a voltage operating, the flexoelectric effect for a nematic liquid crystal ( nlc ) cell has been investigated theoretically with an analytical approach, and the absorption of ions has not been taken into account. the equations and the boundary conditions of the nlc tilt angle 6 have been deduced

    文中假定液晶在界面處沒有離子吸附，導出了電場作用下指向矢傾角滿足的方程和邊界條件，以及撓曲電效應引起的表面能，該表面能在上下基板處形式相同但是符號相反。
  14. Moreover, the director distribution symmetry to the mid layer of nlc celliias been broken by the flexoelectric effect. a new parameter a is introduced to express the symmetry breaking and has been investigated in detail

    此外，本文還證明了撓曲電效應還會導致指向矢分佈對中間層平面對稱性的破缺，引入並詳細研究了表徵對稱性破缺的參量。
  15. ( 1 ) the microscopic theory of anchoring energy for nlc the interface energy aroused when lc is in contact with the solid can be seems as the sum of interaction potential energy between lc molecules and substrate surface molecules

    內容分為兩個部分： （ 1 ）向列液晶界面錨定能的微觀理論認為液晶與固體接觸引起的界面能，是液晶分子與基板表面分子之間相互作用勢能之和。
  16. The director in nlc cell may be expressed by one angle parameter 9 or, and it is called one dimension problem ; the director expressed by two angle parameters 6 and, called two dimension problem ; the paper consists of two absolute parts : l. the first order freedricksz transition at saturation point for the weak anchoring nlc cell the first order freedricksz transition ( the first order transition ) at threshold point has been studied by a lot of theoretical works

    液晶盒內指向矢可用一個角量或表示稱為一維問題，需要用兩個角參量和表示稱為二維問題。本文由兩個獨立的工作構成： 1弱錨定向列液晶盒在飽和點的一級freedericksz轉變現有的理論工作都討論在閾值點的一級freedericksz轉變（一級轉變） 。
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