點晶格 的英文怎麼說

中文拼音 [diǎnjīnggé]
點晶格 英文
point lattice
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 格 : 格象聲詞rattle; gurgle
  1. Abstract : considering the second nearest - neighbor interaction and cubic, quartic anharmonic interactions simultaneously, we employ the multiple scales method combined with a quasidiscreteness approximation to calculate the lattice vibration. it is shown that the kind of nonlinear chain exhibits envelope soliton, envelope kink and envelope antikink soliton. these results can also be used to explain the experimental phenomena that the kink amplitude of the self - localized structure is determined only by the intrinsic properties of its lattices

    文摘:同時考慮次近鄰諧振相互作用和三次方、四次方非諧相互作用，利用多重尺度結合準離散近似方法去計算晶格振動行為，發現一維非線性點陣中存在包絡孤子及正扭結型包絡孤子、反扭結型包絡孤子，解釋了自局域結構的幅度只取決于點陣中的固有參數的實驗現象
  2. Then the structure unit of hexangular lattice is found according to the principle of invariable symmetry. renormalization transformation is processed when we regard the structure unit and the growth model as graphs before and after transformation respectively. after choosing the 11 thermodynamic function fugacity as parameter, we can write out the partition functions before and after transformation and the formula of renormalization transformation

    然後根據對稱性不變的原則，從整體晶格中選取結構單元，把結構單元和生長模型分別作為重整化變換前、后的圖形來進行重整化變換，選取熱力學函數易逸度為參量，寫出了重整化變換前後的配分函數和重整化變換關系式，求出了這一變換的不動點。
  3. Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction

    內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。
  4. Whereas its analysis appliance is restricted within the totally periodic structures such as super - lattice and quantum pots

    但在此之前，對它的應用僅限於超晶格、量子點等完全規律性的材料。
  5. When the thickness increases up to a critical value, about 30 nm, the spotty rheed pattern gradually changes to streaky pattern, and the rheed oscillation curve appears. the rheed pattern of the ultra thin lno film deposited in the relatively high oxygen pressure is streaky pattern. with pumping the oxygen pressure to the relatively low value, the streaky rheed pattern gradually changes to spotty one

    我們發現在較低的真空度下，即氧分壓處於2 10 - 4pa和3 10 - 3pa之間， lno晶格中的一個o2 -將會轉移兩個電子給兩個ni3 + ，並且移動到薄膜表面形成o2被泵抽走，從而導致鈣鈦礦結構的垮塌，其相應的rheed圖樣呈現出清晰而明亮的點，表明表面為較為粗糙的三維島狀結構。
  6. Department of physics, peking university, national laboratory for superlattice and microstructures, beijing, 100871

    北京大學物理學系，半導體超晶格國家重點實驗室，北京， 100871
  7. The diffusion mechanism wherein net atomic migration is from lattice site to an adjacent vacancy

    一種擴散機制，這時候原子的凈遷移過程是從晶格結點位置移動到鄰近的空位中。
  8. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的結晶及熔融行為，發現支化聚乙烯的結構與線性聚乙烯相同為正交結構，但晶格略有膨脹.支鏈的存在對熔融行為影響不大，兩種聚乙烯的熔點均隨結晶溫度的升高而非線性增加，表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響，主要是由於支鏈的存在降低了晶體的結晶速率從而影響結晶過程，使得低分子量的支化聚乙烯的結晶行為與高分子量線性聚乙烯的結晶行為相似而與低分子量的線性聚乙烯不同.動力學分析表明，低分子量的支化聚乙烯的結晶生長方式的轉變溫度比同等分子量的線性聚乙烯降低了約20
  9. The temperature dependences on the resistance in all the thin films show that in the low temperature range the width of eg band level changes the transports, but in the high temperature range the thin films forms the small polarons hopping conductivity. the phase transition induced by the current is explained by the demagnetization and lattice distortion

    在高溫部分，材料呈現小極化子跳躍形式輸運特徵；實驗研究了不同偏置電流對薄膜的相變影響，表明電場可以引起材料中磁性的變化和晶格畸變，導致相變溫度點向低溫方向移動；材料的光致相變研究表明光子能量、光強和極化方向對輸運性質有影響。
  10. In the third chapter, connected with the cube lattice model, we present the steps of the renormalization group and indicate the corresponding relationship between the fixed points of the renormalization group and the critical points

    在第三章中結合立方晶格模型介紹了基於泛函積分的重整化群方法的幾個步驟以及重整化群中的固定點和臨界點的對應關系。
  11. This course examines classical and quantum models of electrons and lattice vibrations in solids, emphasizing physical models for elastic properties, electronic transport, and heat capacity

    本課程檢驗了固體中的電子以及晶格振動的經典和量子模型，重點強調于彈性性質，電子輸運過程和熱容的物理模型。
  12. The filled skutterudite compounds attract aboard attention owing to their high mobilities and relatively large seebeck coefficients in the middle temperature range of 600 - 800k. but their thermal conductivities are very high, so the problem how to decrease their lattice thermal conductivities and improve their zt values becomes a research hotspot

    填充式skutterudite化合物由於在中溫領域（ 600 800k ）具有很高的載流子遷移率和較大的seebeck系數而引起人們的廣泛關注；但其熱導率k較高，因而如何降低晶格熱導率kl ，提高其熱電性能指數zt值已成為研究的熱點。
  13. Electronic transport in a quantum - dot superlattice, consisting of an array of negative potential, has been studied by making use of the recursive green ' s function method

    摘要用遞歸格林函數方法研究了一種周期排列而成的量子點超晶格結構中的電子輸運性質。
  14. Another possibility is that the crystal of helium contains numerous defects and lattice vacancies ( yet another effect of the zero - point motion )

    另一種可能是氦的晶體中有許多缺陷和晶格空位（也是零點運動所造成的） 。
  15. The traits of the two kinds of lattice determine which method we use to study it. the site - block method is often for transitionally invariant lattice and decimation for fractals

    這兩種晶格的特點也就決定了在重整化群計算時選取什麼樣的粗粒化方法，平移對稱晶格一般採用自旋?元塊法，分形晶格採用格點消元法。
  16. After the cu - al mixed powder was milled 96h, the lattice constant of cu ( 111 ) plane became 0. 3653nm, and the diffraction peaks of aluminum have disappeared completely, which showed that aluminum atoms have dissolved in crystal lattice of copper

    當cu - al混合粉末球磨時間大於96h時， cu的（ 111 ）面的點陣常數變為0 . 3653nm ， al的衍射峰已完全消失。通過分析可知，經過96h的球磨， al原子已經完全吲溶於cu的晶格中。
  17. Why you shave off your beard ? you ' re just another guy without beard

    白晶晶：你把鬍子剃光幹什麼？你知不知道你少了鬍子一點性格都沒有了？
  18. In the way based the scientific and tecdrical talks on i presided at and panicipated in, the graduation theis included a p1entful thets in recent years wtll be divided into three parts for depiction conxteniently and clearly, according to the content as fo1lowsf ( l ) the study of shock compression properties with the drixtiir - liquid co and n, experimentally ( 2 ) the study of the phenomenon of excess heat produced by deuteriurn atoms entering into the lattice of titaluxn experimentally ( 3 ) the calcujation for the electronic structure and energy of hydrogen atoms cluster ffi. the mainstream in the first part of the paper is to exposure some experimental tecndques in high pressure and high temperatur shock compression physics, including by using a cryo - target cooled down circulating steaxned n, to condense the well - proportioned mixed liquid sample from pure gas co and n = with equal molar voiurne

    根據近幾年所承擔和參加的科研任務，將研究成果總結寫成的論文按以下三個部分敘述： （ 1 ）液體co和n _ 2混合物沖擊壓縮特性的實驗研究（由國防科技重點實驗室基金項目96js75 . 2 . 1 . jw1902資助） （ 2 ）重氫原子進入鈦晶格中引起過熱現象的實驗研究（由國家自然科學基金10145002資助） （ 3 ）氫原子團簇h _ 9的電子結構與能量計算第一部分以高溫高壓沖擊波物理實驗為主，採用自行研製的低溫循環汽冷靶冷凝制樣技術由高純co和n _ 2氣體獲取等摩爾體積均勻混合的液體沖擊初態樣品。
  19. Thirdly we introduce the superlattice model with alternating site energies which is more complicated than the simple tight - binding model, and moreover we explore the influence of the alternating diagonal term in hamiltonian on the quasi - energy bands and dynamics

    接著引入更為復雜的格點能交替變化的超晶格模型，並在此基礎上考察了hamiltonian中交替變化的對角項對準能譜與動力學的影響。
  20. In the selection of kadanoff cells a new idea is given, i. e., not only the symmetry of lattice before and after selection must be kept unchanged, but also the coordination number must be kept unchanged

    在kadanoff集團的選取上本文提出了一個新觀點，即不但要保持選取前和選取后晶格的對稱性不變，還要保持格點的配位數不變。
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