立方系晶體 的英文怎麼說
中文拼音 [lìfāngxìjīngtǐ]
立方系晶體
英文
crystal of cubic symmetry- 立 : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 晶 : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
- 體 : 體構詞成分。
- 立方 : 1. [數學] cube 2. [簡] (立方體) cube3. (立方米) cubic metre; stere
- 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
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Various chemical strategies have been introduced to the system to affect the dynamics of reaction, and thus, to adjust the nucleation and growth process. by using appropriate complexing agents as controlling reagents and adjusting the reaction temperature, both morphologies ( nanorods and fractals ) and structural phases ( zinc blende or wurtzite structures ) of cdse nanocrystals can be easily controlled. a precipitate slow - release controlled method was designed in the synthesis of manganese selenides
在化學調控合成思想的指導下,運用已取得的調控合成的成功經驗,利用mnseo3沉澱緩釋放出mn2 +源和硒源,在調節反應溫度的基礎上,于同一反應體系成功地合成了mnse2和mnse的立方體和球形微米晶,實現了產物組成和維度的調控,並對它們的磁行為進行了研究。Another example of the cubic lattice system is the body-centered cubic crystal of cesium chloride.
立方晶系的另一個例子是氯化銫的體心立方晶體。The novel vertical carrier - free linear cluster system phoebus for the economical deposition of amorphous and microcrystalline silicon light absorbers by pecvd ideally combines the strengths of proven vacuum production platforms to precisely focus on the needs of solar cell producers : process stability, productivity, yield, footprint, costs of ownership
新的立式無載體線團系統」菲波斯」 ( phoebus ) ,以pecvd方法經濟地鍍膜無定形的和微晶硅吸光體,理想地結合各種證明可靠的真空生產平臺的優點來精確的聚焦于滿足太陽能電池生產者的需求:工藝的穩定性,生產效率,合格產量率,佔地面積和擁有運營的總成本Meanwhile, based on the magnetic material theory, a complete analysis and summary are carried out on the three crystal structure and technology theory ; especially the ingredient analysis is made on the microscopical morphology and x - ray diffraction and its mixtures existence and relevant metallurgy about the typical second resource such as coldrolling iron and oxide red, steelmaking sludge and feso4 based on the practeal investigation of the pre - burning materials in domestic products plant, especially the analysis on the domestic markets and components, and connecting with reality and material characters in panzhihua iron and steel ( group ) cmpany, we established the product orientation and developing direction in panzhihua iron and steel ( group ) company ; after carrying out the technology reform on the old no. 1 magnetic product plant of enterprise company, making a detailed study on the various conditions for establishing a plant, the feasible research report is formed of 1400 tons ( per year ) feo preburning material and 3000 tons ( per year ) middle and high quality magnetic products ; so a necessary and reliable supports are provided both theoretically and practically for the development of the magnetic industry in panzhihua iron and s teel ( group ) cmpany
同時,對磁性材料的理論基礎,尖晶石、磁鉛石、石榴石三大晶系結構以及其工工藝理論進行了較為全面的歸納、分析和總結;尤其針對攀鋼產生的二次資源如冷軋鐵紅、煉鋼污泥、硫酸亞鐵等三種典型原料分別作了成分分析、微觀物理形態以及x光衍射分析、其夾雜物的存在形式及相應的金相分析。對國內鐵氧體磁性材料的預燒料及磁件生產廠家的工藝、設備、技術、成本、質量狀況進行了實地的調研,特別是對國內磁性材料的市場及競爭對手進行了詳盡的分析,在此基礎上,結合攀鋼實際及原料特點確立了攀鋼發展磁材產業的產品定位及發展方向;對企業公司原有磁件一廠進行了技術工藝改造,對建廠各項條件進行了詳細的分析,形成了了年產14000噸年鐵氧體預燒料以及3000噸年中高檔磁件產品的可行性研究報告,從理論上和實踐上為攀鋼磁性產業的發展提供了必要的可靠的依據。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test
建立了拉伸和應變疲勞的有限元模型,使用基於晶體滑移模型的數值方法,對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些無法試驗觀測的變量進行計算,分析它們對晶體塑性變形的不同影響。Theory and experiments of bulk - wave acousto - electro - optical ( aeo ) device, involving one - dimension and multi - dimension, are systematically studied. the thesis includes the following contents : coupled - wave equation theory of aeo interaction, determination of the optimum operating mode of aeo device, geometrical relationships of the anisotropic acousto - optic interaction, design and experiment of the aeo device. finally, the optimum design of ao device with beam steering theory is also studied
論文主要研究內容包括:一維和多維聲電光效應的耦合波方程及其衍射效率計算公式的建立、一維和多維聲電光器件最佳工作模式的選擇、聲電光晶體反常聲光互作用幾何關系的計算、 ln一維反常聲電光器件和kdp二維反常聲電光器件的設計製作以及實驗測試、正常與反常超聲跟蹤聲光偏轉器的優化設計。For a cubic crystal of 1cm 1cm 1cm, the horizontal and vertical selective angles are 0. 008 and 0. 41 respectively. so the system is capable of storing 10000 holograms. we also have made an off - line heater and an on - line heater, both of which are controlled by a temperature controller ( model eurotherm )
對于邊長為1cm的立方晶體,復用系統在水平方向和垂直方向上的選擇角分別為0 . 008和0 . 41 ,能夠存儲10000幅數據頁;復位裝置的角度復位精度優於0 . 001 ;溫控加熱裝置的控溫精度為0 . 1 。With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models
熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶過程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。Continued convergence of computing, communication, and consumer applications has become the main driver for sustained growth of the semiconductor industry
智多微電子(上海)有限公司成立於2003年9月?是一家致力於高集成度移動多媒體晶元及系統解決方案的高科技企業。According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination
通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。But for some special medium materials, such as liquid crystal display controller pcb, magnifiers must be used to gather images to gain enough precision of inspection for the weak contrast between the basic board and the conductor. the images near the light axes are much cleared than that far away from the light axes, so the images can not be simply segmented by black and white and inspected with the methods of pcb which are based on the black white image
但對於一些特殊介質材料,如液晶顯示控制電路板的檢測,由於基板和導體之間對比度不大,而且為了達到檢測精度,必須採用放大鏡頭進行圖像採集,成像系統光軸附近的圖像成像質量較好,而偏離光軸較遠的圖像質量較差。不能通過簡單二值化來很好地分割圖像,而已有的印刷電路板檢測方法都是建立在二值圖像進行分析的基礎上。On the basis of photoelectronic dynamics, an energy model at room temperature that describes the cubic silver halide microcrystals not doped or doped with metal ion complex at deferent doping amounts is proposed, and then a series of differential equations describing the relationship between carriers number are set up
本工作以光電子動力學理論為依據,建立了一種描述純鹵化銀微晶及摻有不同濃度金屬離子絡合物的鹵化銀立方體微晶在室溫下的能級模型,由此生成了一組描述粒子數關系的微分方程。As one of the four largest cemented carbide cutting tools manufacturers in the world, seco tools ab has a full range of products for milling ( including solid carbide tools ), turning, threading, drilling, reaming, pcbn inserts, boring and tooling system
作為全球四大硬質合金刀具製造商之一的瑞典山高刀具公司,其主要產品包括銑刀(包含整體硬質合金銑刀) 、車刀、螺紋刀、鉆頭、鉸刀、聚晶立方氮化硼刀片、鏜刀和刀柄系統等。Cbn230 yellow mono - crystal, transparent, regular shape, high toughness and hardness. suitable for electroplated , vitrified and metal bond tools, wheels etc. the tools have long service life
Cbn230金黃色立方氮化硼單晶,等積形透明晶體,高韌性,高強度。適用於電鍍、陶瓷、金屬結合劑體系磨具、砂輪、工具製造。其製品使用壽命長。Taking in - situ toughened silicon nitride as a design object, principle component analysis ( pca ) is applied to study the microstructure and mechanical properties, to find out the main microstructure controlling factors, and to simplify the characterization variables and criterions ; fuzzy neural networks ( fnns ) is also applied to develop a design expert system for this material, which can realize the forward prediction from processing, microstructure to mechanical properties, and backward design from mechanical properties or microstructure to processing ; monte - carlo method is applied to simulate the grain growth of this material, and then crack propagation is simulated, which is another way based on physics and chemistry to developing prediction models from processing until to mechanical properties
本文以自增韌氮化硅陶瓷為設計對象,運用主成分分析法( principlecomponentanalysis : pca )對自增韌si _ 3n _ 4陶瓷的顯微結構和力學性能進行數據空間降維,獲得自增韌si _ 3n _ 4陶瓷顯微結構控制的主要因素,進而簡化了表徵參量變量和準則;運用模糊神經網路( fuzzyneuralnetworks : fnn )建立了自增韌si _ 3n _ 4陶瓷設計專家系統,能實現工藝?微結構?性能的正向預測及反向設計;運用monte - carlo方法( mc )進行自增韌si _ 3n _ 4陶瓷的晶體生長模擬,然後進行裂紋擴展模擬,探索建立工藝?微結構?力學性能預測模型的思路。Considering the mass balance law for solute, and combining with the populance balance model and the mccabe ' s l law, a linear crystal growth rate model was presented for potassium nitrate aqueous system. the test variables of both the liquid and solid for kinetic parameter estimations were given on this model, and the experimental apparatus were also set up
基於粒數衡算模型,以kno _ 3 - h _ 2o為模型研究體系,根據結晶過程中溶質質量守恆和mccabe定律,首先建立了晶體線性生長動力學模型,並確定出動力學參數估計所需要表徵的固液兩相物理參數,進而建立了實驗表徵方法和測定裝置。There are some creations in this paper. first, the relationship among the physical property, crystal structure, preparation method and doping content is established to be a parabola equation. the extreme value of this equation determines the optimum doping content
本論文工作的創新點在於:從半導體發光材料的晶體結構出發,建立起材料的物理性能、晶體結構中原子配位數、最佳摻雜含量和制備方法之間的關系,歸納出材料摻雜的最佳摻雜含量的理論表達式。Based on acousto - optical coupled wave equation, the momentum mismatch is modified and acousto - electro - optical coupled - wave equations are founded. for one - dimension acousto - electro - optical effects, the momentum mismatch caused by ultrasonic wave is replaced by the summation of mismatch caused by ultrasonic wave and mismatch caused by electric field
根據晶體中光場所遵循的麥克斯韋方程組,以及聲場與光場間的參量互作用基本方程出發,在聲光耦合波方程的基礎上,系統地建立了聲電光效應的耦合波方程理論。In this thesis, we study the nonlinear effects in electron - phonon interaction of one or quasi - one dimensional system with the nonlinearity of phonon ( lattice ). using the variational method and coherent method we study the ground state properties of one - dimensional molecular crystal and the soliton characteristics in protein molecular chain, respectively
本文以較簡單的一維(或準一維)電子-聲子耦合系統為對象,在計入聲子(晶格)非線性的條件下,分別採用變分法和量子相干態方法研究了一維分子晶體基態的性質和蛋白質分子鏈中孤立子特性。分享友人