均質對稱 的英文怎麼說

中文拼音 [jūnzhíduìchèn]
均質對稱 英文
isotropic symmetry
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 稱 : 稱動詞（適合; 相當） fit; match; suit
  1. There has been many papers to discuss the in - medium quark and gluon condensates in nuclear matter which use the models with su ( 2 ) l su ( 2 ) r sym - metry. now, we make use of the chiral model su ( 3 ) l su ( 3 ) n including the baryon octet to discuss the quark condensate < qq > in strange matter, where q is an up or down quark field. on the one hand, from the experimetal data, it is found that < qq > vac = - ( 225 25mev ) 3, on the other hand, with the hellmann - feynman theorem, quark condensate can be evaluated on the hadronic level. in this paper, we will investigate the quark condensate in strange matter with the chiral symmetry su ( 3 ) l x su ( 3 ) rspontaneous breaking lagrangian to obtain the variation of the quark condensate in the strange matter when the baryon number change. it can be applied to understand the neutron stars when the neutron star are considered to be constructed by the strange matter. because nertron stars are homogeneous and at very low temperature, we will use the mean - field approximation and zero temperature throughout this paper

    鑒于已有大量文獻討論了核物質中的夸克凝聚，本文將討論在奇異物質中的夸克凝聚。而在介質中的夸克凝聚的基本公式可由hellmann - feynman理論導出，所以運用手征對稱自發破缺拉氏量以及平均場近似，我們就可以討論在奇異物質中的夸克凝聚，由所計算的結果表明： （ 1 ）奇異物質中的夸克凝聚隨奇異物質密度的增大而單調減小。 （ 2 ） -凝聚的出現對衰減率有影響。
  2. That prowess has been questioned by some of the regime ' s opponents because of unofficial reports that fidel castro, cuba ' s president, has undergone three failed operations for diverticulitis ( a swelling of the wall of the intestine )

    一些古巴政權反對派對那種醫療優勢提出質疑，因為據小道消息稱，古巴國務委員會主席菲德爾?卡斯特羅因腸壁腫脹患憩室炎而進行三次（大腸）手術[注：國內媒體均報道為腸道內出血]但卻均失敗。
  3. 2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads

    2 ）設計吊桿式拱架支承結構時，各部分構件應當均勻對稱布置。另外，還應注意頭道梁拱腳附近截面的尺寸擬定，克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 ）可利用調整構件質量的方法，使得結構的某些構件的地震荷載分佈均勻一些。
  4. We select ni / cr alloy resistor as element together with ceramic embedding hearth ; select small flat - and - disc heat - even hubby ceramic sample holder, select ni / cr & ni / si thermoelectric couple ( type k ) as thermoscope with threads 0. 5 mm in diameter which is installed in the middle of the holders symmetrically ; select aluminum silicate fire - retardant fiber as materials for heat preservation ; design some hardware, for example temperature controller & transporter, signal amplifier etc ; design controlling curve to heat stove ; and introduce the method of least squares nonlinear regression and subsection function to deal with data. in order to obtain the reasonable operation conditions and operation curve, we have also done many theory analysis and experiment discussions

    通過理論和試驗探討，選用鎳鉻合金電阻絲作為加熱元件，配以陶瓷質埋入式爐膛；選用陶瓷質小尺寸扁平?圓盤均熱塊體型樣品支持器；選用0 . 5mm絲徑鎳鉻?鎳硅熱電偶（ k ）作為測溫元件；熱電偶對稱安置在樣品支持器容器的中部；選用硅酸鋁耐火纖維作保溫材料；合理選用和設計了溫度控制器、溫度變送器、信號放大電路等硬體；採用升溫曲線來控制爐膛供熱過程；採用最小二乘法非線性回歸與分段函數相結合的曲線模擬方法，進行圖形處理。
  5. These factors include : time factor, information dissymmetry factor, product homogeneity factor, emotion factor, merchandise esthetics

    這些原因包括：時間因素、信息不對稱因素、產品均質化因素、情感因素、商品審美化趨勢。
  6. The most achievement is that we firstly obtain the analytic accurate solution of the modal fields of the waveguide structure and find some available character : ( 1 ) the different uniaxial crystal materials have the different propagation properties ; ( 2 ) when the optical axis of the crystal is on the plane that is made up of the normal direction of the waveguide plane and the propagation, there are te mode and tm mode in this special waveguide, but the principal mode is different of the character of the uniaxial crystal, the principal mode is the principal mode of te mode for the negative uniaxial crystal, but the one of tm mode for the positive uniaxial crystal ; ( 3 ) when the crystal optical - axis parallel to the waveguide plane, for the positive uniaxial crystal material, the principal mode of the waveguide is a te wave, which can be excited by the light at any frequency ; when the light frequency satisfies a single mode propagation condition, there will be only the principal mode propagating in the waveguide, otherwise some of the higher order modes can be excited, which are neither te modes, nor tm modes, but the hybrid guided modes

    本文就是在此背景下，利用金屬波導和單軸晶體的一些特性，結合麥克斯韋方程組和波導的邊界條件，從三種不同的情況研究了光在對稱平面單軸晶體金屬波導（波導層是單軸晶體，兩個波導界面均為金屬）內的傳輸特性，其主要貢獻為，首次解析地得到了這種波導結構下模式場的精確解，並發現了一些有用的特性： （ 1 ）模式場的性質因單軸晶體的性質不同而異； （ 2 ）當單軸晶體光軸位於波導界面法方向與傳輸方向構成的平面內時，波導中傳輸te波和tm波，只不過其主模因單軸晶體的性質不同而異，當波導層介質為負單軸晶體時，波導主模是te波主模，而波導層介質為正單軸晶體時波導主模是tm波主模。 （ 3 ）當單軸晶體光軸位於波導面內時，對于正單軸晶體，波導的主模是橫電波te _ 0模，任何頻率的光波均可激勵該模式；當光波波長滿足一定條件時，波導內傳輸單模，否則，將激勵起高階模式，高階模即匪te波，也匪tm波，而是兩者耦合而成的混合模。
  7. The results show that binding energies per nucleon at each density and various asymmetry parameters fulfill the empirical parabolic law and the asymmetry energy is density dependent. it is found that both scalar and vector potentials of neutron in the neutron rich nuclear matter become stronger although the isospin dependence is not stronger. we compare our results with those in a simple method, where the dbhf nucleon self - energies are extracted from the momentum dependence of the single - particle energy

    首先我們要求在每一個密度及各種不對稱系數的核物質中，相對論平均場（ rmf ）計算出的核子標量與矢量自能與dbhf計算出的標量與矢量自能一致，從而得到在rmf下的密度依賴的有效介子核子耦合常數，包括同位旋標量介子。
  8. Its accomplishment is simple and intuitional. the main innovation of this method is that we only need construct a symmetric zonal mesh for each interpolated curve respectively and write appropriate knot spacings for mesh edges. then applying nurcc rules to the initial control polygonal mesh consisting of those symmetric zonal meshes can generate a surface that satisfies interpolation constrains

    該方法的主要創新思想是在被插值曲線的控制多邊形兩側構造具有簡單對稱性質的四邊形網格，稱為對稱網格帶，但關鍵還在於對網格邊賦予適當的節點距，並對由這些對稱網格帶組成的初始控制網格應用非均勻有理catmull一clark細分規則，來生成滿足插值要求的曲面
  9. And based on these findings, we further study the dependence of nuclear stopping on system size, initial n / z, sp and the medium correction of two - body cross sections. it ' s found that the effect of initial n / z ratio and isospin sp on stopping is weak, and the excitation function of stopping depends on the form of medium correction of two - body cross sections and the equation of state of nuclear matter strongly

    在此基礎上我們研究了核阻止本領對系統大小、初始核n / z 、平均場中對稱勢以及兩體散射截面介質修正等的依賴情況，研究結果表明它受初始核n / z比以及對稱勢的影響很弱，而受碰撞截面介質修正的同位旋依賴效應及核態方程影響明顯。
  10. The asymmetry of beam splitting angle of wollasion prismis is described, and the elimination of adjustable beam splitting angle prism by adusting the cemented layer is analyzed

    摘要給出了渥拉斯頓分束角的不對稱性，指出通過調整膠合介質層的均勻性可消除可調分束鏡分束角的不對稱性。
  11. In the upper troposphere, there is no intact asian active center. the troposphere structure of summertime ao is implicated with the horizontal heterogeneity of air temperature throughout the whole troposphere with its center over asian continent, which results in the zonal asymmetry and baroclinic structure of the summertime ao ( especially its asian center ). on the contrary, the correlation between wintertime ao and sea - land thermal contrast confines in the lower troposphere, hence its zonal asymmetry and baroclinity in the lower level

    夏季北極濤動的這種結構與對流層整層的溫度水平分佈不均勻性有密切聯系，且這種溫度分佈差異主要體現在亞洲大陸，因而也就使北極濤動的中緯度亞洲中心呈現出比同緯度帶其它區域更為明顯的緯向非對稱性和斜壓性；而冬季北極濤動受下墊面海陸分佈差異影響，其緯向非對稱型和斜壓性質主要出現在對流層中低層，在對流層高層表現出很強的環形模態和正壓結構。
  12. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性，以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性，並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答，具體包括：基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定，採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程，得到了一個不考慮自重固結的完全解析解。
  13. Abstract : based on the c. carathe " odory theorem, several conclusions related to near - axis image formation in an axial symmetric optical system have been verified by means of the projection transformation

    文摘:以卡拉西奧多里定理為基礎，用投影變換驗證了在均勻的各向同性介質中具有軸對稱性的光學系統近軸成象的結論。
  14. Discrete approach with 15 ' 15 ' grid is adopted in order to numerically simulate and calculate the gravitational potential field generated by the homogeneous rotation - symmetric ellipsoid, and it is verified that the method, the fictitious compress - recovery and the fictitious downward continuation of the gravitational field, is reliable and valuable at the relative accuracy level higher than 10 ^ ( - 4 )

    摘要採用15 ' 15 '網格離散化手段對均質旋轉對稱橢球體產生的引力位場進行了數值模擬計算，在相對精度優於10 ^ （ - 4 ）的水平上，驗證了引力位虛擬壓縮恢復法以及重力場虛擬向下延拓法的可靠性和有效性。
  15. By the properties of k - th order symmetric function, we obtained some estimations of integral mean value of the solutions of the boundary value problems for some kind of special partial differential equations in dk which can be changed into laplace equations in the unit circle by way of suitable transform

    另外， d _ k上的某一類特殊的偏微分方程經過適當變換后轉化為單位圓上的laplace方程，其邊值問題的解的積分平均估計可由k次對稱化函數的性質較好給出。
  16. Zinc oxide ( zno ) is a wide band gap ( 3. 4ev ) semiconductor with the hexagonal crystal structure ( wurtzite type ). zno thin films with the c - axis orientation perpendicular to the substrate show excellent piezo - electrical properties and are widely used in piezo - electrical filed. and the dense anjd uniform surface of the films is required when zno thin films are used as integrated functional films

    Zno屬於六方晶系6mm點群，晶體在c軸垂直面上的電性和彈性都是對稱的，因而c軸擇優取向的多晶薄膜能夠具有單晶那樣的壓電性和光電性質，而具有平整均勻的表面形貌則是zno薄膜作為一種集成功能薄膜應用性能的保證。
  17. In sum, the core viewpoint of stakeholder theory can be concluded that the firm is a nexus of relationship among stakeholders, whose responsibilities and obligations are formed through explicit contracts and implicit contracts. the residual rights of the firm are distributed symmetrically, separately and unbalancedly among asset owners and human recourse owners in order to create wealth for its stakeholders and the society

    總而言之，利益相關者理論的核心思想可以歸結為：企業是其利益相關者相互關系的聯結，它通過各種顯性契約和隱性契約來規范其利益相關者的責任和義務，並將企業剩餘權在企業物質資本所有者和人力資本所有者之間進行非均衡地分散對稱分佈，進而為其利益相關者和社會有效地創造財富。
  18. The variational problem related to the coupled vector wave equations and boundary conditions of circular dielectric waveguide with arbitrary refractive index profile is solved using the finite element method ( fem )

    應用有限元方法求解了任意徑向非均勻折射率分佈圓柱對稱介質波導中縱向場耦合波動方程定解問題所對應的變分問題，該方法不受弱導或高斯模場分佈等限制。
  19. The empirical evidence on factors influencing the debt priority structure is that enterprise size and debt scale influence the debt priority structure in chinese listed companies, we don ’ t have the specific results about enterprise growth opportunity, abnormal earning, abnormal information, effective tax rate and industry characteristic. the results doesn ’ t support the agency cost hypothesis, the information asymmetry hypothesis, nor the tax hypothesis

    在債務優先權結構影響因素的實證研究中，研究結果表明影響我國上市公司債務優先權結構的因素是企業規模和債務規模，而對企業成長機會、公司質量、信息不對稱程度、有效稅率以及行業特徵等影響債務優先權結構的因素沒有做出明確的顯著結果，對代理成本假說、信息不對稱假說以及稅收假說均未提供經驗支持。
  20. In addition, the theoretical analysis of chapter 2 indicates that the fundamental bifurcation of the two theories focuses on the distribution of residual rights of the firm, which is a short for claim to residual and residual rights of control. the mainstream theory deems that residual rights of the firm should be centralized on asset owners symmetrically, but the stakeholder theory insists that it should be distributed symmetrically among asset owners and human recourse owners unbalanced

    第二章的理論分析還表明主流企業理論與利益相關者理論的根本分歧在於：前者認為企業剩餘權（剩餘索取權和剩餘控制權）應集中對稱分佈於物質資本所有者，而後者認為企業剩餘權應非均衡地分散對稱分佈於企業的物質資本和人力資本所有者之中。
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