生長擴散過程 的英文怎麼說
中文拼音 [shēngzhǎngkuòsǎnguòchéng]
生長擴散過程
英文
grown-diffused process- 生 : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 擴 : 動詞(擴大) expand; enlarge; extend
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 生長 : grow; grow up; ascent; merisis; build up; auxesis; increment; overgrowth; gain; burgeon; bourgeon...
- 過程 : process; procedure; transversion; plication; course
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A monte - carlo method has been developed for simulating the growth of epitaxy flims. the program was compiled using turbo basic language. the influence of growth rate and temperature on surface morphology was studied. the model we used was an advanced diffusion limited aggregation ( dla ) model. the process of deposition and diffusion were considered in this model
本文利用montecarlo方法,結合薄膜生長理論,採用turbobasic語言編寫程序,對外延薄膜的生長過程進行了模擬。所用的模型為改進的擴散有限聚集模型( dla ) ,研究了薄膜生長過程中沉積速率和襯底溫度對表面形貌的影響。In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators
本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先,介紹了國內外太陽能電池的研究現狀及應用情況;其次,運用太陽能電池基本原理討論影響電池轉換效率的因素,分析了級聯電池的伏安特性;隨后,討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念,研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程,解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題;然後總結了級聯電池的后工藝製作;最後,研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝,設計並安裝完成新型聚光太陽能電池組件。In the interface an interdiffused layer with multphases would be formed during the process of welding or operation at elevated temperature. because of so much difference between the interdiffused layer and the original interface layer, it would influence the welding strength severely
在焊接過程中以及經過較高使用溫度的長時間使用后,鈮合金同不銹鋼界面會產生材料組分元素的互擴散,形成互擴散層,互擴散層的性能與原始界面的性能有較大差別,影響焊接強度。On the basis of research available and through seven aspects : the family structure, vocational structure, the structure of the mode of life, psychological and cultural structure, income structure, organization structure and social identity, the thesis reflects the process of urbanization in the community between rural and urban areas, especially demonstrates the unique characteristics of urbanization in the community between rural and urban areas of the east of china by taking shui village and kong village in anning district lanzhou city of gansu province as the example and using the advantage of multiple subjects such as sociology, anthropology, economics, etc. the transition of the community between rural and urban areas is their imitation and incorporation into the urbanization, and the effect of their spread and radioaction
本研究在已有研究的基礎上,應用社會學、人類學、經濟學等學科的綜合研究的優勢,以蘭州安寧區水村和孔村為例,通過對兩村家庭結構、職業結構、生活方式結構、心理文化結構、收入結構、組織結構和身份認同等七個方面的實證研究,反映了城鄉結合部的城市化進程,特別是反映了中國西部內地城市化進程獨特的特點。城鄉結合部轉型過程是城鄉結合部自身模仿、融入城市以及城市的擴散輻射效應嵌入的過程;城鄉結合部是許多矛盾、困惑及經驗反映最集中的場所;同時是將漫長的城市化進程濃縮在一個短期內進行的相對較小的區域。First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend
首先由於它的揚程較高、流量較小,所以它的流道狹長,圓盤摩擦損失較大,效率相對較低;其次由於它的流道擴散較嚴重,易在葉片進口產生迴流和在出口產生脫流,揚程流量特性曲線易出現駝峰,在小流量工況下易產生不穩定現象;第三,由於其功率流量曲線呈現上升趨勢,在大流量區運行時電機易過載。According to the study of bass equation, it described the distribution features of incubation time, studied the relations between diffusion rate and the coefficient of innovation and imitation, and the time to peak sales and the point of inflection of diffusion function and the maximum diffusion rate
通過對bass方程的分析,描述了技術創新擴散的生長曲線方程,探討了技術創新擴散率同創新系數和模仿系數的關系以及銷售峰值的到達時間和最大擴散率等醞釀期的擴散特性。This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4
本論文以量子結構自組裝為出發點,提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米粒子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首次合成了非晶zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,非晶zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價值的深紫外發光材料;利用非晶zno的亞穩特性,對晶化過程中非晶zno納米晶zno三維受限量子結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量子結構的自組裝;利用非晶zno的高度分散性,容易均勻成膜特性,實現了非晶籽晶誘導低溫液相外延自組裝生長高取向zno晶體薄膜。In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained
本文討論了含裂隙介質地下水污染物輸運與生物降解非線性方程組數值求解方法.方程含有對流項、擴散項、生長、死亡、吸附、解吸、趨化和孔隙與裂隙介質界面間的交換項的非線性偶合,使演算法十分困難.本文討論了無生化過程時的幾種求解方法,數值結果表明:用三次迎風插值法對常見的對流項占優勢,且場變量有較大梯度的問題較適用.在討論有生化反應過程時,利用對流項與生化反應項的特徵時間量級估算,給出了求生化過程作用子步的時間步長估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和有化學反應的實測值對比,吻合很好Additional annealing experiments in nitrogen atmosphere revealed that the heavily damaged region with hydrogen - induced defects appears to be the adsorption center for the outside oxygen to diffuse into the silicon during the high - temperature annealing process, and consequently, broaden the thickness of the box layer. this important finding may provide a possible solution to reduce the cost of the conventional simox - soi wafers while maintaining a desirable box thickness
獨特設計的氮氣氛退火及分步退火實驗證明了原注入樣品的缺陷層中氫及氫致缺陷的存在使得在退火過程中加速外界氣氛中的氧擴散進來,並成為強捕獲中心使擴散進來的氧滯留于缺陷層從而促使氧缺陷層中的氧沉澱生長,加速了高溫退火中的內部熱氧化過程,從而形成了比傳統相同劑量simoxsoi厚得多的氧化埋層。The author points out that three basic factorsal are essential to the formation of teb : the traffic trunk line, group of towns, and the industrial sys tem based on the seconda ry industry and the tertiary industry
通過典型經濟帶的實證分析發現了「工業自生長點沿著交通軸集聚、擴散及再集聚的動態過程」 ,將其命名為工業波。Diffusion / oxidation furnace is a kind of very important equipment which is used in semiconductor process production line. it is applied in the manufacture process of the discrete semiconductor devices and integrated circuit which have diffusion, oxidation, annealing and alloying processing. it is also used in special temperature treatment of other material and is an auto - equipment which has the command of long time working, high precision and high stability
擴散/氧化爐是半導體工藝生產線上非常重要的一種工藝設備,用於分立半導體器件、集成電路製造過程中各種擴散、氧化、退火及合金工藝,也適用於對其他材料的特殊溫度處理,是一種要求能長時間連續工作、高精度、高穩定性的自動控制設備。During long - time storm, the excess pore pressures will be built up, then dissipated and re - distributed simultaneously due to partial drainage. then it is possible the developments of excess pore pressures cause the liquefiable sandy seabed be liquefied
在長時間的風暴作用過程中,土中超靜孔壓不斷累積,同時也會由於部分排水固結發生消散與擴散,超靜孔壓的累積發展可能導致砂質海床發生液化。Rf magnetron sputtering that has been broadly used to fabricate a variety of thin films is a kind of physical vapor deposition ( pvd ), which consists of two main microscopic processes, one is the generation and transportation of the vapor phase particles to form the thin film, the other is the diffusion and aggregation of the film atoms on substrate, which leads to the formation of the film
射頻磁控濺射是一種物理氣相沉積技術,已被廣泛地用於各種薄膜的制備。它主要包括成膜氣相粒子(原子或分子)的產生和輸運以及輸運到襯底的成膜粒子在襯底上的擴散、聚集、生長成膜兩大過程。Since it was advanced. it went through a long process of gradual diffusion from europe to the world. it had a long effect to the modern international relations
自從它被提出后,經歷了一個由歐洲向世界各地逐漸擴散的漫長過程,對近現代國際關系產生了極為深遠的影響。Systematical analysis of technological progress, technological innovation, technological diffusion and their economic effects become an important field of economics for a long time. in particular, theory of economic growth pays more attention to the affects of the technology and knowledge on the conduction mechanism of economic growth and stability of the economic growth system. this thesis based on much literatures emphasize particularly on the theoretic analysis of problems of technological innovation and technological diffusion, this thesis also conceive a method of research on the growth path hi the economics growth theory
對「技術進步」 , 「技術創新」和「技術擴散」的過程及其經濟效應進行系統分析,早已成為經濟學研究的一個重要領域,尤其是經濟增長理論更加關注于「技術」 , 「知識」等因素如何對經濟增長的傳導機制和經濟增長系統的穩定性產生影響,本學位論文在綜合大量文獻的基礎上,側重於技術創新與擴散問題的理論分析,並就經濟增長理論中增長路徑的研究方法提出一種理論設想。分享友人