連續擴散 的英文怎麼說

中文拼音 [liánkuòsǎn]
連續擴散 英文
continuous diffusion
  • : Ⅰ動詞1 (連接) link; join; connect 2 (連累) involve (in trouble); implicate 3 [方言] (縫) ...
  • : Ⅰ形容詞(連接不斷) continuous; successive Ⅱ動詞1 (接在原有的后頭) continue; extend; join 2 (...
  • : 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
  • 連續 : continuation; succession; series; continuity; continuing; running; continuous; successive; contin...
  1. This article takes the basic of agrotechnical diffusion as the main line, regards the whole system of agrotechnical diffusion as a dynamic consecutive course, and divided the course into three sub - systems, viz. science and technological innovation, technical diffusion and technical application. the contact of the three depends on the flow of information in different course in the whole system

    本文以農業技術的基本路徑為主線,將整個農業技術系統看做一個動態的過程,並將這個過程劃分為科技創新,技術推廣和技術應用三個子過程,它們在系統中的聯系是由信息在不同過程間流動來完成的。
  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擴散行為的非線性時滯gilpin - ayala模型(反應方程) ,通過構造lyapunov泛函獲得其平衡態全局漸近穩定、漸近穩定的一些充分條件。
  3. The continuity and unigueness of the solution for the simultaneous equations of a class of gaussian diffusion process and analysis of consistency

    隨機過程方程組解的惟一及相合性分析
  4. 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態,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,利用無窮維動力系統的一致持生存的理論給出了兩競爭種群一致持生存的充分條件,利用單調動力學系統得到了系統的全局漸近穩定性。
  5. The sand in the bags has the principal task of guaranteeing continuity of contact in the material without impeding the free diffusion of the compressed air.

    袋中砂的主要目的是在保證材料的接觸而不妨礙壓縮空氣的自由
  6. In the third group, the electron density of corneal collagen fibres were uneven with dilated and low electron - densed interfibral spaces

    第二組中,角膜膠原纖維排列規則、,電子密度均勻,纖維間可見大的空隙,呈低電子密度灶。
  7. The results of explosive welding specimen show that the interfaces formed by explosive welding present disciplinary and consecutive shape. there are no distinctiness diffused layers on the interfaces. after elevated temperature annealing, the interdiffused layers formed in interface of nb - 1zr and stainless steel

    研究結果表明:對于nb - 1zr合金和不銹鋼爆炸焊接形成的結合區呈現規律的和的波浪形狀,無明顯層;經高溫退火后的結合層形成一定厚度的由nb - 1zr和不銹鋼合金元素互形成的層。
  8. After the concept of housing morphology innovation diffusion is set up, the affecting factors and mechanism are discussed from the two basic aspects of characteristic in housing morphology and social surrounds involved, furthermore it is pointed out that innovation and diffusion can be separated, and the integral model between innovation and diffusion is set up

    該文在借鑒相關理論建構其概念的基礎上,以居住形態自身構成特性及所涉及的社會環境作為兩個基本方面,深入探討居住形態創新的影響因素及作用機制最後分析創新與的相互作用,指出創新的產生和是不能割裂的過程,建立起創新與的一體化模型。
  9. Then a one - dimensional unsteady incompressible flow with moving pollutant source model was proposed. the continuity equation, momentum equation and convection - diffusion equation were discredited using finite volume scheme. thus a software for predicting the air velocity and pollutant in railway double track tunnels was developed

    接著,根據雙線鐵路隧道運營通風的特點,建立了一維不可壓縮非恆定流和流動污染源的物理模型以及山相應的性方程、動量方程和對流方程構成的數學模型;在此基礎上,利用數值計算方法,編制了一套雙線鐵路隧道運營通風的數值計算程序。
  10. Determination of thermal diffusivity of continuous fiber - reinforced ceramic matrix composites by the laser flash method

    用激光閃爍法測定纖維增強陶瓷基體復合物的熱
  11. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離的雷達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中變質量運動模型和離雷達量測模型,推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量,應用展卡爾曼濾波對離的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  12. We suggest to study a special kicked rotor moving in a piecewise continuous force field. when adjusting a control parameter the system displays a transition from conservative to quasi - dissipative, and a change of a stochastic web formed by the set of the images of the discontinuous borderlines to a transient stochastic web

    它在一個控制參數改變時可以演示從分段保守系統向類耗系統的過渡,從而展現不邊界象集隨機網向一個瞬態隨機網,以及網上的無邊界混沌運動向局域規則運動的轉變。
  13. There are distinct changes about shifts or intensity in bulk plasmon, surface plasmon, and interband electron transitions losses as a result of oxidation of specimens, and adsorption and oxidation processes can be studied through these changes. at room temperature, the formation of oxide layers on uranium and uranium - niobium alloys were found to occur rapidly upon exposure to oxygen, and the resultant oxide in each case was near - stoichiometric uo2. due to formation of niobium oxide in uranium - niobium alloys, the diffusion of o ~ ( - ) ( o ~ ( 2 - ) ) and u ~ ( 4 + ) in the interface region was prevented, and the corrosion resistance of uranium - niobium alloys to oxygen is greatly enhanced by alloying with niobium

    研究結果表明:清潔表面鈮和鈾的體等離子體振蕩所造成的電子能量損失的實驗值與理論計算值較為符合;隨著氧化程度的加劇,表面等離子體( sp ) 、體等離子體( bp )以及價帶電子躍遷所造成電子能量損失的譜峰發生了明顯的偏移或強度的變化,這些變化可以用來分析鈾及鈾鈮合金的初始氧化過程;室溫下,鈾及鈾鈮合金很容易與氧作用,最終結果,鈾僅氧化為二氧化鈾,另外,在鈾鈮合金氧化過程中,因為有鈮的氧化物存在,不利於氧和鈾在界面,增強了鈾鈮合金抗氧化性能; eels能獲得樣品表面的信息比aes更為表面,更為靈敏,但由於eels的譜線過于集中,主要在幾十ev以內,也有不容易區別和解譜的不足。
  14. In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option

    第三章介紹了利用金融資產價格運行基於復合跳躍? ?過程的數理模型來研究金融經濟問題,通過結合運用正倒向隨機微分方程,推導得到著名的非線性feynman - - kac公式,並且將相應的倒向隨機微分方程的解記為投資者的值函數,這也就是通常所說的效用值函數;接著我們可以證明此效用值函數為某一偏微積分變差不等式的粘性解,並且得到了比較原則;這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。
  15. In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels

    本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型,在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒,認為只有那些既有質子傳輸通道,又有的電子通道和氣體通道的胞元才產生有效的電流,而其餘胞元不產生電流,把電極的輸出電流轉化成一個概率事件。
  16. This system uses dispersion inertial impact, shielding, and gravity to achieve dust capturing. this filter facility employs high - pressure air to continuously flush out particles without halting up operation, offering high stability and screening efficiency

    利用慣性沖擊、遮攔及重力等作用,達到粉塵捕集效果,本集塵機使用高壓空氣,式高壓空氣逆洗,粉塵震落時不須停機,性能穩定,集塵效率高。
  17. According to two - dimension flow continuity, momentum equations, suspended sand diffusion equations and two - phase flow bed sand motion equations, hydraulic - dynamics sediment accumulation mathematical model between two impounding dams was set up by adopting the methods of weighting and concentrating masses

    根據二維水流、運動方程、懸沙方程和兩相流底沙運動方程,採用加權集中質量剖分方法,建立了蓄水兩壩間水動力、泥沙淤積數學模型。
  18. 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

    隨著合成溫度和時間的增加,產物的結構和晶型越趨于完善,但在1100得到的產物有燒結和晶粒增大的現象,恆溫時間超過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晶石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,而兩段間隔合成法比兩段合成法處理的材料性能更佳;顆粒的粒度隨著球磨時間的延長而減小,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
  19. The processes of diffusion of heat and burning in three component continuous media with nonlinear conductivity and volume energy release are described by this system

    該方程組描述了一個具有三種介質的燃燒過程及熱過程。
  20. 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

    /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、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工作、高精度、高穩定性的自動控制設備。
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