穩態擴散 的英文怎麼說

中文拼音 [wěntàikuòsǎn]
穩態擴散 英文
stationary diffusion
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : 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. Many of the above-mentioned trends can be rationalized in terms of quasi-steady diffusion theory.

    上述的許多問題可用準穩態擴散理論加以推理。
  2. In chapter 3, two nonlinear modified gilpin - ayala models with distributive delay and continuous diffusion are studied. some simple sufficient conditions for globally asymptotically stable and asymptotically stable of the unique positive equilibrium point are established by constructing lyapunov functional

    在第二章中,我們研究的行為是離的,而在第三章中,我們研究兩類含連續行為的非線性時滯gilpin - ayala模型(反應方程) ,通過構造lyapunov泛函獲得其平衡全局漸近定、漸近定的一些充分條件。
  3. In order to benefit from this new technique without any dangers, on the basis of the arguable contents, the paper put forward a series of principals with the knowledge of systematical philosophy, mathematics and ecological. agriculture : welfare principal, invariable principal of gene, non - spread principal of gene, equal principal of substance and informed perfectible principal. and then we establish a model of evaluating the social effects of gmo

    為了從這種新技術成果中獲得好處,同時又不會帶來風險,本文以爭論的內容為基礎,從轉基因作物能比傳統農作物帶來更多的社會效益的角度出發,運用系統哲學、生農業和數學的一些知識,提出了轉基因作物研究和推廣中遵循的一系列原則:福利原則、基因定性原則、基因不原則、實質等同性原則、以及知情選擇原則,並進而建立起評價具體的轉基因作物的社會效益的模型。
  4. Aim the stability of steady state and bifurcation in a autocatalytic reaction diffution system are to be studied

    摘要目的研究一類自催化反應系統平衡定性與分歧。
  5. In the light of the recent work in biological models, especially in the chemostat models, the dissertation provides a systematic study on the asymptotical behaviour of some chemostat models built by delay or diffusion differential equations. the main contents and results in this dissertation are as follows : i ) the global asymptotic behavior of the chemostat model with the beddington - deangelies functional responses and time delays is studied. the conditions for the uniform persistence of the competing populations are obtained via uniform persistence of infinite dimensional systems

    本論文基於當前生物學模型,特別是恆化器模型的研究現狀,深入系統的研究了時滯和方程描述的幾類恆化器系統的漸近性,本文的主要內容包括以下幾個方面:一、研究了具有beddington - deangelies功能性反應函數的時滯恆化器模型,利用無窮維連續動力系統的一致持續生存的理論給出了兩競爭種群一致持續生存的充分條件,利用單調動力學系統得到了系統的全局漸近定性。
  6. In this paper, the behavior of the ill - posedness of the anisotropic diffusion is analyzed through the energy function

    針對各向異性方程中的「病性」問題,從能量函數的角度對其原因進行分析,並依據定性的要求選擇合適的系數。
  7. A two - dimensional double diffusive laminar natural convection in rectangular enclosure is detailed analyzed. the results show that when the thermal and solutal buoyancies aid each other, the airflow consists of one main cellular structure and is steady, regardless of the relative strength variation between the heat and pollutant sources. there are multiple flow structures, however, according to the relative strength when the buoyancies opposing each other

    模擬結果表明雙自然對流系統的空氣流動與傳熱傳質特性完全是由離熱源與污染源浮升力之間的相互作用關系訣定的:當離熱源與污染源浮升力協同作用時,自然對流呈比較定的單一流動結構;而當熱源與污染源浮升力對抗作用時,自然對流系統隨它們之間強度變化呈現出多種流動狀
  8. 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、平均運動方程組以及常高斯數學模型,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分析評價。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。
  9. Thirdly, this paper set up the diffusion model of innovation including variant latent consumers such as adopters, possible ones and unknown ones. then given the differential diffusion equation according to the study of the transmission of these three parts and discussed the stability of solution and controllability and measurability of this system. finally described the influence of the economy and government to the innovation diffusion

    再次,本文將創新產品的所有潛在採用者分為可能者、採用者以及未知者三類,並通過分析這三者之間的轉化關系,得出了這三類採用者隨時間變化的微分方程,並運用控制論的方法對方程進行了分析和可控、可測性評價,分析了國家政策等外部因素對加速創新的影響。
  10. Dynamic stability analysis of tunnel system according to information diffuse theory

    基於信息理論的隧道系統動定性分析
  11. Based on the dc diffusion model, we build a duplex diffusion layer model which is composed of inner pulse diffusion layer and outer stable diffusion layer. in inner pulse diffusion layer, the concentration of ions fluctuates with frequency of pulse current ; in outer stable diffusion layer, the transport speed of ions is almost stable all the time, the main purpose is to transport the ions from the mass to the pulse diffusion layer

    在直流電沉積的理論基礎上,建立了脈沖電沉積的雙層模型,靠近電極為脈沖層,層內金屬離子的濃度隨脈沖電流的頻率而波動;脈沖層外麵包圍著一層穩態擴散層,其中離子的速度在整個過程中基本是定的,作用是將主體溶液中的離子不斷向脈沖層中補充。
  12. For the powder milled to amorphous state, because of its very fine structure, it is easy to occur phase transformation and has good size stability when sintered

    研磨到非晶的粉末由於元素達到原子尺度混合,大大縮短了距離,不僅易於發生固相變,而且燒結體尺寸定性好。
  13. Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively

    其次,由於一直以來藍光oled器件的研究處于相對落後的狀,其發光亮度、效率、定性和色純度都無法綠光器件相比,所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 )研究了雙異質型藍光oled器件,由於本研究引入了空穴阻擋層,使得載流子的復合和激子的被限定在發光層內,器件的發光效率達到了1 . 90lm / w ,最大亮度達到了10000cd / m2 ,比傳統結構器件的效率和亮度提高了約一個數量級; 2 )制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件,研究發現,當改變各有機層厚度時,器件的電致發光光譜發生了從綠光到藍光的移動。
  14. In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode

    實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透氣層和催化層進行了正交試驗優化;同時,還採用測準極化曲線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空氣電極催化材料、空氣電極界面結構與性能的關系等作了較深入的研究。
  15. The effects of the monolayer - formation conditions on the monolayer behavior, including the phase structure ( molecular packing ), intermolecular interactions, stability, and so on, were discussed. based on the theory model we study low molecule weight surfactant ( behenic acid ) and phospholipid monolayer and the cyclic isotherms of their mono layers ; including the standard thermodynamic characteristics and aggregation of the cyclic isotherms

    從力學性質著手,我們討論了成膜條件對相結構(分子排列) 、分子間作用力、定性等物理化學性質的影響;在此基礎上,利用現有的理論模型討論小分子化合物(二十二酸)及其磷脂分子壓縮、張過程分子聚集、機理及其熱力學問題。
  16. Summaries the research status, particularity and cfd method of the dynamic simulation, and points out that the cfd simulation of contaminant distribution in the crucial medical rooms should be reoriented from static method to dynamic method

    對人體動模擬的研究現狀和特殊性及其cfd模擬方法進行了介紹,提出對醫院關鍵科室內污染物的模擬應逐漸從模擬向動模擬轉變。
  17. And also the factors, such as carrier concentration, feed solution concentration and strip solution concentration, also have been discussed when the membrane phase contained solvent and carrier. based on the double membrane theory, the model of phenol transport in supported liquid membrane was established, and the parameters of the

    在此基礎上,採用雙膜理論來解釋苯酚透過平板支撐液膜的過程,在假設下,建立苯酚在支撐液膜內的傳質模型,並求解膜內系數等模型參數。
  18. In the second part, a method studying stochastic transition which is the master equation method is introduced, and explicit solutions of velocity v and diffusion constant d of the steady state are obtained when a particle hops among a dimensional and periodic n states

    第二部分介紹了一種研究隨機躍遷的方法?主方程方法,著重推導了粒子做一維周期性n隨機躍遷時達到的速度、系數的一般表達式。
  19. The analytic results of the effects on the micromorphological structure of the film by the electrochemical condition ' s showed that the carbon is apt to improve the boundary combination between the scfs and the surface of the cathode and the seperation of the films, and that the micromorphological structure of the mpgcfs is greatly affected by the dring and the power voltage, which remarkably affluence ion move in swelling cathode film, and that higher temperature and concentration of cu2 + in the medium solution are also advanagable to the deposition of cu in scfs. the plot of deformation behavior of mpgcfs showed that the maximum strench ratio decreases and the brittleness increases due to the existence of the metal phase, and that the strengh trend of the composite films is fistly up and down followed with the content of metal phase because of the change of the role of the metal phase from acting as the physical cross - linking to weakening the films due to destroying the whole structure of the polymer

    另外它作為基體的另一個突出的優點是制備的溶脹復合膜( scf )中的溶劑與電解液中的溶劑相同都是水,克服了以前膜內外不同溶劑之間的問題,結果使得電流最終趨於一種,因此可以更好實現用電化學條件來控制mpgcf的形結構;硬質石墨材料的多孔的結構和石墨本身的結構性能特點使得碳作為陰極材料時有利於溶漲復合膜( scf )與電極表面的結合以及膜的剝離,因此是作為陰極的理想材料;電化學條件中的乾燥程度和電壓能夠明顯的影響離子在膜內的遷移,從而對mpgcf的形結構造成較大的影響;而提高反應溫度和增大電解液中銅離子的濃度也有利於銅在膜中的沉積生長。
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