組分擴散 的英文怎麼說

中文拼音 [fēnkuòsǎn]
組分擴散 英文
groudiffusion
  • : Ⅰ名詞1 (由不多的人員組成的單位) group 2 (姓氏) a surname Ⅱ動詞(組織) organize; form Ⅲ量詞(...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 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. First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field

    首先,對液體介質的靜電霧化機理作了初步的探討,理論上析了液體霧化過程中射流區、波紋區、霧滴區和霧滴區;然後對液體荷電方法進行了研究析,對于高電導率的液體,場致荷電和接觸荷電可以使其霧化,而對于電導率較低的絕緣液體,需用浸潤電極荷電和感應荷電方法使其充帶電;最後,根據前面的研究析,設計和裝試驗裝置,在同一環境下對煤油、乳化劑、酒精三種不同液體介質進行高壓靜電霧化試驗,並對試驗結果進行析處理,總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等,得出高壓靜電場中液體霧化的一般規律。
  2. Network analysis of ternary gas diffusion in porous media

    多孔介質中三氣體的網路
  3. The continuity and unigueness of the solution for the simultaneous equations of a class of gaussian diffusion process and analysis of consistency

    隨機過程方程解的連續惟一及相合性
  4. Knudsen diffusion model and the mixed flow model were solved numerically for the ethanol - water system. good agreement between experimental and theoretical values was found. but the mixed flow model is better

    乙醇水溶液的vmd試驗表明,兩種同時通過膜微孔時, knudsen模型和過渡流模型都基本能反映實際過程,但過渡流模型更接近實際情況。
  5. Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time

    結果表明,冬季示蹤物偏南夏季偏西北的輸送明顯春季影響范圍最小秋季最大。示蹤物從200km200km模式區域輸出的平均時間去除時間明顯為冬春季和夏秋季兩,前者較小,平均在20h以下,後者較大,平均約30h 。不同去除時間出現的頻率佈是非對稱的,在長去除時間一側,出現頻率下降緩慢,顯示污染物有在該區域內長時間滯留的可能。
  6. Meanwhile, fundamental principles about electroless tin plating by reducing agent and disproportionation reaction were explained. function of every component in the bath was explained that complexing agent can effectively change the potential of copper and tin, and accelerate the beginning of replacement reaction favorably ; reducing agent can increase the rate of chemical reaction and has the effect of promoting reaction dynamics too ; antioxidant can effectively prevent sn2 + in the bath from being oxidated ; additive agent a can improve the stability of the bath ; additive agent b has such effects as refining and brightening for the tin deposits, and it enlarges the range of brightening section ; additive agent c used as leveling agent can not only make the depostis level off, but also improve the dispersive ability of the bath ; surface - active agent can solve bubble problem which gathered on the surface of the deposits, and improve the surface quality of the deposits and the bath stability

    闡述了鍍液中各的作用:絡合劑能有效地改變銅、錫的電位,促使初期的置換反應順利進行;還原劑能加快化學反應速度,對反應動力學有積極的促進作用;抗氧化劑能有效地防止鍍液中sn ~ ( 2 + )的氧化;添加劑a能提高鍍液的穩定性,添加劑b對鍍層能有細化和光亮作用,大了鍍層光亮區的范圍;添加劑c作為平滑劑,不僅能增強鍍層表面的平整性,而且能提高鍍液的能力;表面活性劑較好地解決了化學鍍過程中汽泡在鍍件表面聚集的問題,提高了鍍層的表面質量和鍍液的穩定性。
  7. The microstructure, structure, composition, phase of joint region, and the microstructure and composition of fracture have been analyzed using the equipment of metallurgical microscope, sem, eds, xrd and binary eutectic phase diagram for the al - cu system and diffusion theory

    利用金相顯微鏡、掃描電鏡、能譜儀、 x射線衍射析儀,結合al - cu二元合金相圖及理論,析了接頭區域的形貌、織、成、相成,以及斷口形貌、成
  8. Factional step difference scheme for a class of nonlinear reaction - diffusion equation and systems

    一類非線性反應方程及方程數步長差格式
  9. 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,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件。
  10. Modified alternating group methods of four points for the convection - diffusion equation

    對流方程修正的交替四點方法
  11. 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元素的互,形成互層,互層的性能與原始界面的性能有較大差別,影響焊接強度。
  12. On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised

    本文以安全系統工程為理論基礎,運用道氏火災爆炸指數法、平均運動方程以及常穩態高斯數學模型,結合牟平港化運輸、裝卸的實際,對牟平港化儲運的火災爆炸危險性和毒物泄漏危險性(包括水污染性和大氣污染性)進行了定性和定量的析評價。在評價程序上,針對道氏火災爆炸指數法中對人為因素和管理水平等考慮不足的問題,提出了軟補償系數的概念,找出了化碼頭日常監督管理工作的重點。
  13. Knowledge value chain describes new ways of envisioning the strategic process, which states that business strategies cannot be effectively shaped without a deep understanding of the knowledge capability interdependencies between core activities along the value chain as a core capability of innovation, new product development ( npd ) always makes great contribution to organizational performance. this dissertation proposes a framework of the link between km process capabilities and npd performance aiming at identifying the key facilitators of npd and enabling companies to launch their products into market more successfully than their competitors. attempts are made to measure km capabilities in terms of knowledge acquisition and dissemination and to use the results of empirical study for leveraging an organization against its competitors in the context of npd

    本論文以文獻整理的研究方法,對既有的知識管理理論進行梳理;通過對十個較具代表性的知識管理理論框架的比較析,以知識管理過程能力、知識管理基礎資源能力、知識管理應用能力及知識場為基石,構建了知識管理能力的框架模型;通過對產業結構為本觀點和織資源為本觀點的比較析,探討了競爭優勢產生的根源,創造性地構建了知識價值鏈模型,以解釋企業的核心能力;論述了以知識管理能力為主的織特徵和相應的織化能力匹配權變情況,即知識佈與權力佈的關系,析了技術在知識管理能力領域的作用;以個案研究的方法探討了知識管理織化能力和知識管理技術化能力;以實證研究的方法,對知識的獲取和與新產品研發的績效互交關系進行了研究,以理解知識管理過程能力對業務創新產生主導影響的機制。
  14. Therefore, in order to understand the long - time performance of the weld, it is necessary to study the welding interface of niobium alloy and stainless steel, and know the microstructure evaluation. explosive welding and vacuum electron beam self - material brazing were used to prepare the specimen

    因此,研究鈮合金與不銹鋼的焊接結合層,析形成的互層的織、成和性能變化,對了解不銹鋼和nb合金的互反應行為,焊接件的焊接工藝改進和長期使用性能的評估是很有意義的。
  15. The explosive welding specimen were also annealed in vacuum at various elevated temperature from 1000 to 1300. optic microscope, sem, tem and eds ( electron diffraction scattering ) techniques are applied to observe the microstructure and the element profiles of the welding interface and the interdiffused layer, reveal the interdiffused performance of alloy elements at elevated temperature, and analyze the structure and composition of the precipitated phases. moreover, the tensile strength of welding line with the two different techniques and various welding parameters were carried out

    採用金相、掃描電鏡、透射電鏡、能譜等多種實驗手段對焊接結合層的微觀織結構、高溫下nb - 1zr與不銹鋼合金元素的互行為,形成的互層的成、金相織和層中的析出相的相成和相結構等,都進行了較為詳細的析,並且對在不同工藝、不同焊接參數下焊接的nb - 1zr合金和不銹鋼的焊縫做了強度實驗研究。
  16. Alternating segment difference schemes for dispersive equations with diffusion

    項色方程的交替方法
  17. Sige simox : oxygen ions with high dose were implanted into sige grown directly on silicon substrate for the first time, and sige - oi novel structure was formed successfully with additional high temperature annealing ; it has been confirmed that oxygen implantation with 45kev, 3 1017cm - 2 and annealing at 12500c in ar + 5 % o2 for 5 hours, are fit for the formation of sige - oi structure ; ge loss during the high temperature annealing has been observed, which is originated from ge volatility and ge diffusion ; it has been proposed to use nanoporous layer induced by h + / he + implantation to surppress ge diffusion and to use surface oxidation to overcome the upper limit of sige simox. sige smart - cut : hydrogen ions were implanted into sige material and followed by high temperature process ( 4000c to 7000c ) ; blistering study was done and suggested the possibility of sige layer transfer by smart - cut technology ; it is concluded that the bubble formation is easier in sige than in si, and the strain in sige / si and the difference of binding energy in sige and in si could possibly contribute to this effect. behavior of sige / si implanted with hydrogen : gave a detailed study on sige implanted by beamline or phi hydrogen implantation ; it has been found that great strain is introduced into sige by hydrogen implantation and this strain could be alleviated by high temperature annealing ; both for conditional beamline implantation and piii hydrogen implantation, 600 is appropriate for the post - implantation treatment

    Sige - simox工藝方面:首次採用硅( 100 )襯底上直接外延的100nm厚sige的樣品中注入高劑量的o離子,通過退火處理成功制備了sige - oi新結構,即sige - simox工藝,證實了以45kev注入3 10 ~ ( 17 ) 7cm ~ ( - 2 )劑量的氧離子,隨后在氧化層的保護下經1250 , ar + 5 o _ 2氣氛的高溫退火( 5小時)過程,可以制備出sige - oi新型材料;實驗中觀察到退火過程中的ge損失現象,析了其原因是ge揮發( ge通過表面氧化層以geo揮發性物質的形式進入退火氣氛)和ge( ge穿過離子注入形成的氧化埋層而進入si襯底中) ,其中ge是主要原因;根據實驗結果及實驗中出現的問題,對下一步工作提出兩個改進的方案:一是通過在si襯底中注入適量h ~ + / he ~ +形成納米孔層來阻斷ge通路,二是可以通過控製表面氧化來調節安止額士淤丈撈要表面sige層中的ge,從而部解決sige
  18. The results from sds - page presented that there were three female specific protein subunits with molecular weights of 123 kd, 120 kd and 91 kd, respectively. we can conclude the higher molecular compose of two subunits ; the results from two dimension electrophoresis showed the isoelectric points of two female - specific spots with molecular weight of about 120kd were 5. 5 and 5. 7. immunodiffusion reactions demonstrated that vg existed both in female fat body and hemolymph, which as vn was deposited in the ovary, while not in the male

    Page電泳結果表明:麗蠅蛹集金小蜂明顯存在2條雌特異性帶-卵黃蛋白,子量別為181kd和136kd ; sds - page電泳析:存在3條雌特異性帶,其子量為123kd 、 120kd和91kd ,由此,可推定卵黃原蛋白( vitellogenin , vg )和卵黃磷蛋白( vitellin , vn )由2個蛋白成,其中子量較大的蛋白由2個亞基成;雙向電泳結果顯示,在120kd附近有兩個特異性點,其等電點為5 . 5和5 . 7 ;雙表明,麗蠅蛹集金小蜂卵黃磷蛋白的抗血清與雌隱成蟲蟲體、脂肪體、血淋巴和卵巢勻漿液均有免疫沉澱反應,而與雄蜂血淋巴無免疫反應,說明了vg與vn具有免疫同源性,是雌特異性蛋白,且由脂肪體合成。
  19. In this study the main form of the nitrogen that diffused from sediment into overly water was ammonia, and the submerged plant decreased the diffusion fluxes of ammonia and nitrate at water - sediment interface

    總之,水沉積物界面氨氮是沉積物向上覆水的主要氮,沉水植物降低了氨氮和硝態氮的通量。
  20. The simulation of flow, heat transfer, combustion, species diffusion, and analysis of the result got pleased conclusion and provide important basis for the designing of the sncr system

    通過對流動、傳熱、燃燒和組分擴散進行數值模擬和析,獲得了比較滿意的結果,為鍋爐進行sncr改造提供了參考依據。
分享友人