理論晶界 的英文怎麼說

中文拼音 [lúnjīngjiè]
理論晶界 英文
theoretical boundary
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • 理論 : theory
  1. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、脈寬和強度等因素對諧波轉換體中tsrs的影響,並計算得出了一些相關闡值,得到了驅動器工作的臨狀態,為防止出現tsrs的光損傷提供了依據,對高功率激光驅動器的工程設計具有實用價值。
  2. By compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated

    當處于氣液面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維面生長尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、面穩定性、枝生長、形態演變等的觀測和分析
  3. Abstract : by compressing a monolayer film, the coexistence of liquid condensed ( lc ) and liquid expanded ( le ) phases can be reached. the transition from le to lc is usually regarded as a first - order one, so the theory of crystallization can be applied. in this article we review our recent studies on the growth of lc domains in the le - lc coexistence region driven by the illumination of a fluorescent microscope. the mechanism of this unusual 2d domain growth phenomenon is discussed. the formation of faceted, dendritic and fractal - like domains as well as the evolution and the transition of these patterns are investigated

    文摘:當處于氣液面的類脂類化合物的單分子膜被壓縮時,隨著分子間距的縮小,單分子膜將經歷一系列相變過程.通過熒光顯微術可以觀測到新相的成核和生長過程.由於單分子膜的二維特性,該系統中的實驗觀測對于檢驗和發展二維面生長尤為重要.本文總結了近年來本課題組與相關單位合作,在單分子膜系統中發現的實驗現象以及對其生長機制的系列研究.內容包括對單分子膜系統中的成核、面穩定性、枝生長、形態演變等的觀測和分析
  4. Abstract : while we were analyzing the proposed theory about the crystal growth, we doubted that the interface phase existed in the process of crystal growth. with this, we had looked for a lot of references connected and analyzed them. we find that the interface - phase does exist in the process of crystal growth and takes a critic role. therefore, we divide the interface - phase into three co - relative parts : interface layer, adsorptive layer and transitive layer. base on the above ideal, we demonstrate the role of interface layer, adsorptive layer and transitive layer in the process of crystal growth respectively. furthermore, we proposal the interface - phase model about the crystal growth

    文摘:在分析前人的體生長時,作者認為體生長過程中可能存在面相;在分析各種體生長現象后認為,體生長過程中面相是存在的,並起著十分重要的作用;通過分析研究,將體生長過程中的面相劃分為3個有機的組成部分:面層、吸附層和過渡層;並進一步述了面層、吸附層和過渡層在體生長過程中的地位與作用;在此基礎上提出了面相模型。
  5. The electronic - ceramic capacitive - type sensor for coi is based on the nanometer and semiconductor theories. according to the mechanism of the gas surface absorbing actions and the mechanism of grain boundary effect of semiconductors, the capacitance of the sensor can be changed with the variation of co2 concentration

    Co _ 2氣敏陶瓷電容型傳感器將納米和半導化引入了傳感器的研製過程中,這種傳感器通過氣體表面吸附,及在半導體介質的層產生的效應,使得不同濃度co _ 2氣體產生不同的電容值。
  6. The micromorpholgy and grain boundary microstructure of the material were studied with sem and tem and the grain boundary phase composition were analyzed with eds and x - ray the mechanical properties, micromorpholgy microstructure of grain boundary and phase composition of al2o3 composite ceramics were systematically studied, the effect of additives, the relationship between microstructure and mechanical strength, the sintering mechanism of the material and influence factors of the structure and properties of al2o3 composite ceramics were discussed respectively

    系統研究了氧化鋁陶瓷的力學性能、微觀形貌、顯微結構,並討了各添加組分的作用、材料顯微結構與力學性能的關系以及材料的燒結機和影響材料結構與性能的影響因素。本文探討了氧化鋁基復相陶瓷的強韌化機,實驗表明al _ 2o _ 3 - ticn體系主要是微裂紋韌化。
  7. Clothing industry has always been one of the most important industries in china , among china ’ s whole exports , the clothing export has been holding the important status from this point of view, and on the basis of analyzing the history and current situation of china ’ s clothing industry, this paper points out the advantages of china ’ s clothing export with using the concerned theories of international trade in general , china ’ s clothing trade is growing steadily , but along with the intensify of the world clothing industry ’ s competition , the superiority of china ’ s clothing export is becoming less and less by analyzing the main counterparts of china ’ s clothing trade , that is the import features and trend of usa 、 eu 、 japan and hong kong , this paper gives the main problems that china ’ s clothing industry exists at present with designing the system structure for elements of affecting the clothing requirements , this paper uses ahp, grey 7heory and fuzzy theory to analyze the elements of affecting the clothing export and put them to order according to the degree of importance , which scientifically proves that the main elements that affect the clothing export are the green trade barriers 、 brands and styles , etc to counter these elements this paper supplies detailed suggestions on china ' s clothing trade management strategies these suggestions are practidal and operational , which must have a constructive role on china ’ s clothing industry entering into the world

    本文通過分析中國服裝貿易的主要夥伴,即美國、歐盟、日本和香港的進口特點和趨勢,指出中國服裝行業目前存在的主要問題。通過設計影響服裝需求因素的體系結構,運用層次分析法、灰色模糊、模糊數學對影響服裝行業出口的因素進行定量化方法分析排序,科學合地分析出影響服裝出口的主要因素為綠色貿易壁壘、牌和服裝款式等,並針對這些因素詳盡地提出了中國服裝貿易經營戰略的建議。這些戰略性的建議具有可行性和可操作性,必將對中國的服裝行業走向世起到建設性的作用。
  8. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機研究獲得了表面復合對不同表面摻雜濃度體硅太陽電池性能的影響、表面和面復合速度的表達式;研究得到了減反射膜對太陽電池短路電流增量比的極限;建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。
  9. In this paper, based on my experiments, the mechanism of pneumatic defrosting of air cooler was studied through the application of thermodynamics, heat and mass transfer, classical theory of nucleation, boundary - layer theory, the theory on gas dynamics

    本文在對氣動除霜進行了實驗研究的基礎之上,應用工程熱力學、傳熱傳質學、體成核、邊、氣體動力學等有關知識,從系統的觀點出發,探討了氣動除霜的機
  10. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd方法並結合pml吸收邊條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)體貼片天線的性能進行了研究,結果證明加了這種新的電磁體覆層結構以後,天線的波束收攏很多,並且向前輻射的增益大大提高,與普通天線相比,天線的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位文db ,與該物尺寸天線的方向性系數的極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁體天線的相應差值減少了約1
  11. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明:在碳管爐中、氮氣保護下進行燒結,添加劑為納米al _ 2o _ 3粉末時,由於納米粉末的高活性、高燒結驅動力,在1650就可使si _ 3n _ 4完全地燒結,並使其緻密度可達密度的96以上(比其它工藝高6左右) ;同時,納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀長徑比的提高,使微觀結構均勻、細化,形成了更多力學性能優異的固體? sialon相,減少了不利於陶瓷材料性能的間玻璃相,凈化了
  12. Postulating that the second - phase participle is a ball together with newton ' s classical mechanics, we develop a new physical model successfully in the thesis under condition that the grain boundary is pinned by the second - phase participle

    假定二相粒子為球形並根據牛頓經典力學,本文成功開發了新的二相粒子釘扎的物模型。
  13. The structure and properties of interfacial region of liquid crystals ( i. e the layers adjacent to a solid walls ) are obviously affected by the solid walls. therefore, the investigations of interface properties of liquid crystals have significance of theory and extensive prospect of application in this paper, the molecular field theory and a two - particle cluster theory are presented to study thin nematic liquid crystal films confined by two type solid substrates, respectively

    目前液被廣泛用於光電顯示器中,固體面對液面層(鄰近基板表面的液層)的結構、性質有較大的影響,因此,對液與固體表面間的面物性質和規律研究,具有重要的意義和廣闊的應用前景。
  14. In this paper, the alumina ceramic was prepared under normal pressure and low temperature, the mechanical properties, micromorphology, microstructure of grain boundary and phase composition of the alumina ceramic, and the precision shaping and cold processing of the femoral head were systematically studied ; the effects of the additives, the relation between microstructure and mechanical strength, the sintering mechanism of the material and the influence factors of the structure and properties of the alumina ceramic were discussed also

    本文在常壓低溫條件下制備了氧化鋁陶瓷,系統研究了氧化鋁陶瓷材料的力學性能、微觀形貌、顯微結構、相組成和股骨頭的精密成型、冷加工,並討了添加劑的作用、材料顯微結構與力學強度的關系、材料的燒結機及影響氧化鋁材料結構與性能的因素。
  15. The apparent activation volume calculated by the model is about 2500a3, which was ten times larger than that of usual amorphous alloy and was at the same range of the amorphous polymer. the model shows the main deformation mechanism of nanocrystalline ag is grain boundary sliding, which in some extent declares the similar forms of equation with amorphous alloys. with the ananlysis to the hrem of nanocrystalline ag, the discrepancy of the apparent activation volume between the nanocrystalline ag and amorphous alloys is interpreted by the loss of atoms participating in grain boundary sliding without enough reconstruction by the movement of atoms under the low temperature

    運用滑移的熱激活對壓縮實驗結果進行了數值擬合,擬合曲線與實驗數據符合很好,得到了滑移的表觀激活體積(熱激活基本單位體積與局域瞬態應變的乘積) ,約為2500a ~ 3 ,先當于幾十個原子體積大小的瞬態變化,約為非合金的10倍以上,與非高聚物的表觀激活體積相當。
  16. Accordingly, a new framework, which provides a common scheme for the numerical simulation on the macroscopic behavior of ferroelectrics though multi - scale analysis on the coupled thermo - electrics - mechanical behavior of multiphase in heterogeneous material, is induced to construct the effective constitutive equation of multiphase. in chapter four, based on the law of domain nucleation and domain wall motion of 1800 domain switching, a new scheme of domain switching and numerical simulation approach is put forward on the foundation of thermodynamics. driving traction, nucleation criterion, velocity of domain wall motion, kinetic relation and rate of domain switching in a single grain are given

    第四章以鐵電體1800疇變的過程中形核規律和疇運動規律的實驗觀察結果為基礎,根據熱力學建立鐵電體疇變的框架和數值模擬方法;給出了單疇內疇變驅動力、新疇形核準則、疇運動速度公式、疇變動力學的表達式,單的疇變速率公式;用細觀力學的觀點給出了對多鐵電體多場耦合的有效性質進行包含疇變速率影響的多尺度分析方法。
  17. The theoretical calculation and explanation of strain behavior during heteroepitaxy of oxides thin films : when the lattice mismatch is relative small ( for example, batio _ 3 / srtio _ 3 with a lattice mismatch of 2. 18 % ), the growth mode of thin films is layer - by - layer, and the critical thickness and strain relaxation can be calculated or estimated by matthews - blakeslee expressions ; when the lattice mismatch is large ( for example mgo / srtio _ 3 with lattice mismatch of 8 % ), the strain relaxation process can be explained by theory of coherent strained islands

    氧化物薄膜異質外延應變行為的預測和解釋。對于格失配較小的外延體系(如batio3 / srtio _ 3 2 . 18 % ) ,薄膜以層狀方式進行生長,臨厚度和應變釋放過程可以用經典的matthews - blakeslee公式進行預測;對于格失配較大的體系(如mgo / srtio _ 3 8 % ) ,薄膜以島狀方式進行生長,應變釋放過程可以由彈性應變島的體系進行解釋。
  18. The threshold and saturation voltage are important technology parameters in lcd. in this paper, by linearization method of the continuum theory of nematic liquid crystal, we show the analyzed results of threshold and saturation voltage of ips mode with tilt angle and weak surface anchoring conditions

    在液顯示器中,閾值電壓和飽和電壓是液顯示器的重要工藝參數,本文從連續體出發,同樣利用線性化處的方法,給出弱錨定邊條件下,有預傾角的ips型盒的閾值和飽和電壓的解析結果。
  19. Segregation and interaction of yttrium and iron elements at grain boundaries in za27 alloy

    偏聚電子研究
  20. In order to improve the properties of materials, one needs to understand the structural relationship between interface and matrix of the materials, such as interface atomic structure, misfit dislocation, chemical bond structure, stress field distribution, composition segregation etc. there are tremendous research works on the grain boundary and interface structures during last century and the sophisticated theory about grain boundary and interface, i. e. coincidence site lattice and 0 - lattice theories had been developed simultaneously

    眾所周知,材料的宏觀性質是由其微觀結構所決定的,因此,為了改善材料的宏觀性能我們有必要弄清楚材料的面與基體之間的結構關系,如面的原子結構、失配位錯、化學鍵合、應力場的分佈等等。在上世紀,人們已對和相面結構進行了大量的研究,同時,相關的如「重位點陣」和「 o -點陣」也發展成熟。
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