晶間擴散 的英文怎麼說

中文拼音 [jīngjiānkuòsǎn]
晶間擴散 英文
grain-boundary diffusion
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 動詞(擴大) expand; enlarge; extend
  • : 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
  1. Metallothionein - ii, 6. 8kda, purified from the liver of rabbit induced by cadmium, has been crystallized in the space group p6322 using hanging drop vapor diffusion method, with unit cell parameters

    金屬硫蛋白懸滴汽相法空胞參數不對稱單位中圖分類號:
  2. 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質量、界面應力、材料互以及材料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。
  3. The diffusion carrier concentration profile and junction depth were measured and compared with conventional furnace processing diffusion ( cfd ). it presented following conclusions : 1 ) the temperature distribution in quartz chamber of rtd furnace is uniform because square resistance is uniform after rtd ; 2 ) the diffusion velocity of rtd furnace by a factor of three compare to conventional furnace processing diffusion ( rtd ) ; 3 ) if diffusion temperature and doping phosphorus are equivalent, doping phosphorus of rtd are more than of cfd in equivalent distance to the silicon surface

    實驗研究了快速熱( rtd ) :通過旋塗磷膠和印刷磷漿兩種方式考查了2 4和103 103單硅的快速熱特性,發現: 1 )此樣機的溫度場在空分佈上是均勻的; 2 )快速熱可以比傳統快3倍的速度進行; 3 )在溫度和摻雜磷源相同的條件下,與傳統相比,快速熱將雜質向結更深的地方推進。
  4. The voltage of lithium - intercalation reaction, impedance and structural stability of intercalation - type cathode material were analysed and calculated. theoritical results show that the reaction voltage depends on the content of lithium and the bond energy, and that the key ways to lower the electrode impedance are to increase the electronic conductivity of the electrode and the diffusion coefficient of lithium ion in the host and to decrease the size of powder. in addition, the thermal stability of lithium - insertion structure can be improved by using crystallographic co - lattice theory and doping treatment

    本文從嵌入式陰極材料的嵌鋰反應的電壓、阻抗及結構穩定性的分析和理論計算著手,得到了電壓取決于基體中各種離子的鍵能及鋰含量、降低電極阻抗的關鍵是提高電子型導電性和li ~ +在基體中的系數及減小粉末粒度的理論依據及其利用體的共格原理和摻雜改性的方式來提高材料嵌鋰結構的熱穩定性的設計思路。
  5. The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface

    發現: 1 )疊層材料具有明顯優于均質材料的熱電性能,在490溫差下, p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 ( mw / cm ~ 2 ) ,是同類型均質- fesi _ 2的2 . 5和3倍; 2 )在焊接過程和190長時退火處理過程中,焊接過渡層合金和基體半導體(特別是bi _ 2te _ 3 )之存在明顯的元素相互,從而在過渡層中形成一些低熔點共體和脆性化合物,這是導致疊層材料破壞的主要原因; 3 )焊接過渡層合金與半導體基體之的潤濕性是影響界面層電性能的主要因素。
  6. The electronic properties of hg _ ( 1 - x ) mn _ ( x ) te are dominated by defects, including native point defects ( vacancies, interstitials, antisites, and complexes ), extended defects ( all types of dislocations, grain boundaries, precipitates, melt spots, etc. ), and undesired impurities

    Hg _ ( 1 - x ) mn _ xte體的電學性能受缺陷的影響很大。體的缺陷主要有:原生點缺陷(空位、隙原子、反位原子和復合體) 、缺陷(各種位錯、界、沉澱相、低熔點相等)以及一些雜質。
  7. As well, the compress stress existed in ( 002 ) crystal plane are found and can be explained by the matching between film material and substrate material as well as the different thermal expand coefficient between them

    同時, zno薄膜( 002 )方向上存在著內應力,內應力是由膜材料與基底材料之格失配和不同熱系數造成的,退火可可使內應力的到不同程度的釋放。
  8. A solid - state shear compounding technology based on pan - milling ( s3c ) has established, by which the graphite with weakly combined structure are exfoliated and then compounded with pp at nanoscale. the obtained pp / graphite nanocomposites have greatly enhanced electrical and thermal conductivity. their structures and properties were characterized by analysis of particle size and distribution, sem, tem, xrd, the electrical conductivity, the thermal conductivity and heat - decomposition temperature etc. by taking advantages of the layered inorganic fillers with a weak interaction between layers ( e. g

    磨盤碾磨剪切力場使pp分子鏈斷裂,相對分子質量減小,石墨的導熱和潤滑性能抑制pp的降解和粉碎,使pp / yep250 (膨脹石墨250倍)復合粉磨盤碾磨固相剪切復合技術及導電導熱pp /石墨納米復合材料的制備與性能體中, pp分子運動活性提高,結能力增強,為pp在熔融加工中進一步向己剝離的石墨片層,形成納米復合結構創造了條件。
  9. It was found that the interfacial bonding of 93w - ofc was both the joining action of ofc / w grains and that of ofc / ni - fe binders, whereas the joining of ofc to tc4 could be seen as the mutual intense diffusion effect between ofc / tc4 and as a result cu - ti intermetallic compounds were formed at the joint. the joining of tc4 - a1 and a1 - mb2 were also attributed to the result of diffusion between elements ti - al and al - mg respectively. on the other hand, residual thermal stress and stress - induced distortion were produced at the joint simultaneously due to the difference in thermal expansion coefficient of different welding " materials

    研究表明, 93w與ofc的界面連接是ofc與93w中w粒的連接以及ofc與93w中ni - fe粘接劑的連接共同作用的結果; ofc與tc _ 4連接界面的形成是由於ofc與tc _ 4之發生反應,並由此在二者接頭處生成了cu - ti金屬化合物的中相; tc _ 4 - al的連接與al - mb _ 2的連接則分別是其基體元素ti 、 al之和al 、 mg之元素互的結果,另外,由於熱膨脹系數的差異,焊接后在不同焊件的接頭處存在殘余熱應力並由此引起接頭的形變。
  10. For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect

    隨著合成溫度和時的增加,產物的結構和型越趨于完善,但在1100得到的產物有燒結和粒增大的現象,恆溫時超過24h后對材料的性能影響不是很大; li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖石limn _ 2o _ 4 ,尤其當li mn比為1 . 05 2時,所合成的材料具有較好的電化學性能;通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好,而兩段隔合成法比兩段連續合成法處理的材料性能更佳;顆粒的粒度隨著球磨時的延長而減小,比表面昆明理工大學碩士學位論文摘要卻增大,粒度小且分佈范圍窄的材料有利於鏗離子的
  11. In succession, tini thin film is deposited on single - crystal silicon substrate using optimized parameters utilizing sputtering, and its transformation temperature ( a * ) is 72 ? indicated by dsc curve after being annealed in an ultra - high vacuum ( uhv ) chamber. in addition, the composition of the silicon - based tini film was analyzed by an energy dispersive x - ray spectroscopy ( eds ), and the ti content in the film is approximately 51at %

    按照改進的工藝參數,在單硅襯底上濺射-淀積了tini薄膜,並進行了超高真空退火, dsc法測得其馬氏體逆相變峰值溫度為72 ,利用能譜分析( eds )技術測得其ti含量約為51at ,通過對非tini薄膜與單硅襯底之的界面進行eds及x射線衍射( xrd )分析,發現在用大功率( 2000w )直流磁控濺射法制備tini薄膜過程中,存在ti 、 ni與si的雙向,發生了界面反應,並有三元化合物ni _ 3ti _ 2si生成。
  12. Abstract : the paper presents a theoretical study on the thermal conductivity of frost formation on cooled flat plate under forced convection. taking the porous meditum as a physical model of frost layer, according to the theories of heat and mass transfer, the formula on heat conductivty of frost formation is derived

    文摘:研究水蒸汽凝華結霜過程在冷壁上形成的霜層的導熱系數,依據隨機管子多孔介質霜層模型,假設霜層是由孔隙空與冰骨架構成的多孔介質,其中孔隙空由隨機毛細管及連接管子的接頭形成,濕空氣中的水蒸汽在霜層的孔隙空輸運並凝華結霜,根據傳熱傳質學理論,導出霜層導熱系數關系式。
  13. In this paper, mapinfo profession 6. 0 was applied to build and manage space geographical information ; mapinfo mapx4. 5 was used as a activex control to model and describe the air diffusing area of the spilled gas chemical, by the technology of ole, made used of the integrating environment of visual basic 6. 0, we finished developing research on the air diffusion system of spilled gas chemicals based on gis. the system can dynamically show the diffusion range of spilled gas chemicals on computer screen after inputting necessary parameters. the paper include 7 chapters

    我們是以mapinfoprofession6 . 0作為空地理信息建立和管理工具, visualbasic6 . 0作為系統用戶界面開發與計算模塊編程工具, access2000作為有關數據庫開發與管理工具, mapinfomapx4 . 5地理信息系統地圖控制項作為計算機模擬顯示控制項,通過ole技術,在vb的集成環境下進行「基於gis的水運氣體化學泄漏大氣模擬系統」的開發創建。
  14. A diffusion mechanism whereby atomic motion is from interstitial site to interstitial site

    機制的一種。隙原子由一個隙位置遷移至鄰近的隙位置所構成的
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