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unit cell

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unit cell 【物，無】(單位)晶胞；單位粒子。

【物，無】(單位)晶胞；單位粒子。 “unit“ 中文翻譯：   n. 1.個體，一個，一人。 2.(計值、組織、機構)單 ...“cell“ 中文翻譯：   n. 1.小室，單室；隔間，艙；〔詩〕茅舍；(單個的)蜂 ...“structure cell; unit cell; space unit“ 中文翻譯：   晶胞“atm cell multiplex unit“ 中文翻譯：   信元復用單元“automatic cell unit“ 中文翻譯：   自動試池裝置“bodycentered unit cell“ 中文翻譯：   體心晶胞“bravais unit cell“ 中文翻譯：   布拉菲晶胞; 布拉維晶胞“cau cell antenna unit“ 中文翻譯：   小區天線單元“cell electrophoresis unit“ 中文翻譯：   細胞電泳測量裝置“chemical unit cell“ 中文翻譯：   化學單位晶胞“chick cell agglutination unit“ 中文翻譯：   雞紅細胞凝集反應單位“ciu cell input unit“ 中文翻譯：   信元輸入單元“crystallographic unit cell“ 中文翻譯：   晶體學單元晶格“data cell unit“ 中文翻譯：   磁卡片機; 數據單元存儲器“doubly primitive unit cell“ 中文翻譯：   雙基晶胞“end-centered unit cell“ 中文翻譯：   底心晶胞“face-centered unit cell“ 中文翻譯：   面心晶胞“hexagonal unit cell“ 中文翻譯：   六方晶胞“land-cell unit“ 中文翻譯：   陸盒式冷凍裝置“length of the unit-cell axes“ 中文翻譯：   晶胞軸的長度“magnetic unit cell“ 中文翻譯：   磁單位晶胞; 磁晶胞, 磁單胞“orthorhombic unit cell“ 中文翻譯：   斜方晶胞“photoelectric cell unit“ 中文翻譯：   光電池組“primary unit cell“ 中文翻譯：   初級晶胞; 初生晶胞; 原生晶胞“primitive unit cell“ 中文翻譯：   初基晶胞; 初基圓胞; 素單位; 原始晶胞

unit character

Based on the assumed vertical displacement of the unit cell and the assumed distribution on the pile - soil interface of the pure friction pile , and using the boundary conditions that there was no relative slipping between pile and soil , the pile decrement was equal to that of soil on the pile - soil interface and that the vertical sheer stress of the unit cell ' s outer edge was equal to zero , the formula for the frictional distribution of the pure friction pile and the formulas for the displacement of pile and soil in the treated area were deduced 通過假定的單元體豎向位移模式和純摩擦樁樁側摩阻力分布模式，利用樁土間無相對滑移、樁土界面處樁土壓縮量相等和單元體邊界處豎向切應力為零等邊界條件，推導出復合地基純摩擦樁樁側摩阻力分布的具體表達式，以及加固區樁土壓縮量的計算公式。

The disperse degree of the ceramic can greatly affect uniformity of the composite , which limit the poling voltage and affect the piezoelectricity . in this paper , the relationships among constitutes , microstructures , dielectric and piezoelectric properties were calculated by employing the banno unit cell mode ; pzt ceramic were synthesized by the hydrothermal method and the appropriate solution was selected according the adsorption of pvdf on the ceramic particle surface ; then , relationships between the disperse degree and the fabrication process were studied . base on these , the pzt / pvdf composites intermingled some pan were prepared and the microstructures were investigated 論文首先利用bannounitcell模型，計算了pzt pvdf壓電復合材料的組成、結構、與其壓電和介電等性能之間的關系；針對壓電復合材料存在的均勻分散性差的缺點，選用水熱法制備的粒度均勻的pzt陶瓷粉末，并采用溶液混和法與聚合物pvdf進行分散復合，重點研究了不同工藝條件下陶瓷的均勻分散性及其與材料微觀結構之間的關系。

Considering spatial axial - symmetry , finite element method ( fem ) is used to analyze the behavior of pile - soil unit ( also called “ unit cell “ ) , such as the distribution of the stress and deformation in reinforced regions and substratum . the law of load transfer between pile and soil is further revealed through the numerical analysis 進行了單樁復合體空間軸對稱有限元數值分析，通過對填土荷載下單樁復合體加固區及下臥層的應力、變形進行數值模擬，進一步揭示樁、土的荷載傳遞規律。

According to the movement traces of yarn carriers on the braiding machine bed , a perform was divided into three regions , i . e . interior , surface and corner , and distinct control volumes were defined for each region . analyzing the control volume of each region , the yarn architecture of perform was described and three kinds of local unit cell were identified . then the relations between the braiding parameters of the perform were derived 根據編織過程中攜紗器的運動軌跡特點，將預成形件劃分為三個不同的區域，分別定義了不同的控制體積單元，識別了預成形件的兩種局部單胞模型，分析了預成形件的紗線構造，并導出了編織結構參數之間的關系，同時給出三維編織復合材料的設計方法。

Density of states for finite - length nanotubes with a magnetic impurity is studied as well . it is found that the kondo resonance is strongly affected when the level spacing in the finite - length sample becomes larger than the kondo temperature , in a way that depends on the chirality and the number of unit cells of carbon nanotubes 接著我們討論了有限長碳納米管中的磁性雜質,計算表明當kondo共振峰寬度小于有限長樣品的能隙時, kondo共振峰的性質受到很大影響,具體變化情況取決于碳納米管類型和所包含的原胞數目。

In order to facilitate the analysis of the minimum repeated unit cell , the following geometrical characteristics were assumed : ( a ) all the yarn segments parallel to a diagonal direction or braiding axis in all unit cells lying in the same layer of the perform are treated as forming inclined lamina or horizontal lamina after matrix impregnation , ( b ) fibers were considered to be straight and unidirectional 以精確的復合材料單胞模型為基礎，從最小的可重復的單胞入手，對單胞的結構進行簡化分析，認為纖維是平直的，將單胞中的四個不同方向的纖維束看成是空間四個不同方向的單向復合材料，纖維束的性能可以等價于單向復合材料的宏觀性能。

The beam steering theory is studied to solve the problem that we can not get wider 3db bragg bandwidth and high diffraction efficiency at the same time in the optimum design of ln anisotropic acousto - optic deflector ( aod ) which is a crucial issue in the process to design an ao deflector . based upon the study of the unit cell structure of ln , the acoustic property and the optical property and the acousto - optic property are analyzed and presented 以最根本的鈮酸鋰晶體晶胞結構為出發點對鈮酸鋰晶體的聲學、光學以及聲光性質進行了推導和描述。并以此為基礎利用克里斯托夫方程計算鈮酸鋰晶體中分別在xoz與yoz聲光互作用平面上的本征速度與聲離軸角之間的關系,并給出倒速度曲線。

By reviewing experimental results and tem images made by other researchers , a micro - mechanical model of nano - / micro composite toughening was built by several defined steps including building unit cell , confirming basic hypothesis , boundary conditions , and terminating conditions 根據前人的實驗結果與顯微組織資料，確定了細觀力學研究所需代表單元體的提取方法、作出了基本前提假設、確定了求解邊界條件與計算終止條件，從而建立復合增韌細觀力學研究模型。

The insertion loss is less than 0 . 5 db per unit cell and the effective band is wider than 1 ghz . such characteristics and the stable electronmagnetic and mechanical properties make it possible for it in the real applications , therefore has significant meanings . 6 其低損耗、寬帶、結構牢固、電磁及機械性能穩定的特點，對于異向介質的實際應用具有重要意義； 6 、對異向介質多種潛在應用進行了實驗嘗試和探討。

2 . the static tensile test of unit cells was simulated by finite element method . the theoretical results were compared with the practically experimental results and the rationality and feasibility of the micro - mechanical model was checked 對代表單元體模型在靜態加載條件下的拉伸情況進行有限元模擬，將計算得到的理論應力應變曲線與cu納米微米晶復合材料實際拉伸曲線進行比較，驗證該模型的合理性與可行性。

A series and parallel unit cell model of 1 - 3 piezoelectric fiber composites ( pfc ) is presented , and the macro parameters including mechanical and electrical parameters of pfc are obtained via this model 摘要基于均勻場理論和細觀力學方法提出了彈簧串并聯模型和電容串并聯模型來分別描述1 - 3型壓電纖維復合材料的力學性能和電學性能，并采用此模型對壓電復合材料的宏觀力學和電學性能參數進行了預報。

Fiber interlocking and bending due to the interaction at the centers of the unit cell were not taken into account , ( c ) a unit cell can be further considered as an assemblage of four inclined unidirectional lamina and one horizontal unidirectional lamina 采用復合材料中的細觀力學分析方法，計算單向復合材料的彈性常數。認為每一纖維束的纖維體積含量與整個單胞的纖維體積含量相等。

The contents of geometry - based periodic unit cell models , microstructure - based models and macro - scale simulation are introduced and the problems and investigation prospects are generalized finally 介紹了基于幾何建模的周期性單胞模型、基于實際微觀結構的有限元模型及宏觀尺度模擬幾個方面的內容，并對目前該領域存在的問題及今后的研究方向進行了分析總結。

According to the topological analysis of the unit cells , the relationship between the braiding parameters is established , such as braiding angle , braiding pitch , fiber volume fraction , dimension of composites etc . 經過對三維編織細觀結構的拓撲分析，建立了編織工藝參數之間的關系，如編織角、編織花節長、纖維體積含量、復合材料的尺寸等。

In order to maintain electrical neutrality , some trivalent b ions oxidized to form b4 + , which resulted in a net decrease in the average radius of the b ions , as a result the volume of the unit cell decreases 為保持電中性，一些三價的b離子氧化變成四價的b離子，這一變化導致b位離子平均半徑的減小，從而導致晶胞的整體減小。

The diffraction peak angle does n ' t change obviously as co / fe ratio , it is attributed to the radius of co fe ions are fairly similar , so the influence of substitutions on unit cell is small 而隨著co fe比的變化，衍射峰角度值變化不明顯，這是由于co 、 fe離子半徑相差不大，它們之間的位置取代對晶胞的整體影響相對較小。

And more , the performance diversity of this nano - / micro - crystalline composite was studied that was influenced by loading direction of unit cells , volume ; percentage and shape of toughening phase 3 在此基礎上，研究了增韌相的形狀、體積百分比，代表單元體加載方向等因素對納米微米晶復合材料性能的影響規律。

A crystalline solid is characterized by a unit cell containing an arrangement of atoms repeated indefinitely ; noncrystalline or glassy solids do not have a unit cell 晶狀固體的區別特征是，它有一個單位晶格,這個單位晶格包含著無限重復著的原子排列。非晶體或象玻璃的固體沒有這樣的單位晶格（或晶胞)

The spinel limn2o4 is synthesized by the citrous acid method . the x - ray diffraction pattern of limn2o4 show that the product is a spinel phase with a = 0 . 824nm cubic unit cell 論文首先采用檸檬酸配位法制備尖晶石型limn2o4 ， x射線衍射( xrd )證實了產物的結構，晶胞參數a = 0 . 824nm 。