穩定流形 的英文怎麼說

中文拼音 [wěndìngliúxíng]
穩定流形 英文
stable manifold
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. The regimes of turbulence include homogeneous flows in two and three dimensions, geostrophic motions, shear flows, convection, boundary layers, stably stratified flows, and internal waves

    擾流的形式包括二維和三維的均勻流動、因地球自轉而引起的運動、切向流動、對流、邊界層流、穩定層流和內部波動。
  2. The severed fluid may form a drop or may form an unstable ligament which will later break up into drops.

    分裂的流體可以形成液滴，或者形成不穩定的液帶，隨后破裂成液滴。
  3. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為： （ 1 ） 、這次冷渦在其發生發展過程中，其移動路徑是沿經圈直線南壓，攜帶的冷空氣勢力較強，形成槽后較強的垂直運動； （ 2 ） 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸，把源源不斷的西南暖濕氣流輸送到遼西地區，也就是急流軸的左前方位置，為這次暴雨的產生提供了充足的水汽來源； （ 3 ） 、低空急流不但為暴雨輸送水汽，其造成的較強的垂直環流也是產生強降水的一個主要原因； （ 4 ） 、 mm5模式以四維同化資料作為初始場，最大限度地避免了觀測誤差可能造成的積分不穩定，提高了模擬結果的參考價值。
  4. The study on stability of plastic flow of alloy steel by spinning

    合金鋼旋壓塑流變形穩定性試驗研究
  5. From the introduction of the structure and characteristic of dcs, the analyzing in process and control peculiarity of huaxin type cement kiln and the analyzing in the ordinary forms of computer control system in the cement plant, to determine the feasibility of application of the dcs in computer control system of huaxin type cement kiln ; introduced the structure of the system hardware, constitutes and characteristic of the industrial network, the characteristic and the performance in industrial control system of the software system ; illuminated the whole course of the design and the application of simatic s7 - 300 programmable controller in the industrial producing process profoundly : the protraction of a control flowchart ; the confirmation of the control scheme in every cell ; how to workout a table of the all controlling and measuring dots in the control system ; how to set up a plc control project ; the configuration of the hardware and the network in project ; illuminated the course of how to program the plc control program in detail ; how to establish a connection between the plc and the programmer ; how to download the configuration and the program of the plc project ; the configuration of control center software simatic wincc ; the whole course and the methods of the control system debugging ; illuminated the essential in the course of the design in project and program ; illuminated the problem and its respondence maybe encountered in the project ; illuminated the superiority of the new control system in inspecting, operating and its stability ; discuss the development of the computer control system in the application of the huaxin type cement kiln

    從介紹了dcs的結構、特點和分析華新型水泥窯的工藝控制特點及當今在水泥窯計算機控制系統上採用的幾種常見形式的比較出發，分析了在華新型水泥窯應用dcs的可行性；詳細介紹了系統硬體結構、網路組成及特點、所採用的軟體體系的特點及其在工業控制應用中的性能；深入詳細地說明了西門子s7 - 300可編程序控制器在華新型水泥窯控制上應用及設計的全過程：控制流程圖的繪制；單元控制方案的確定；系統控制測點表的編制； plc控制項目的建立；項目硬體及網路的組態； plc控製程序的編制過程並詳細說明了控製程序的編制思路； plc與編程器連接的建立； plc項目組態及控製程序的下載； wincc監控軟體的組態；控制系統的調試過程及方法；對設計和使用的要點及系統調試時應注意的問題進行了說明；對項目的實施后的華新型水泥窯控制系統在操作和控制上及其在系統易維護性、系統穩定性上的優勢進行了說明並討論了華新型水泥窯計算機控制系統的發展方向。
  6. The main purpose of this discussion is to det ermine the appropriate roadbed earthfill height according to the degree of sandburry, windblown sand drift test, wind tunnel test, windbed stability, road economy and traffic accident analysis. the appropriate roadbed earthfill height is one of vital factors in preventing highways from the harm of sand

    本課題研究的主要目的是沙漠公路在地理地貌、植被地質、沙源、風速強度等因素的影響下對公路形成的沙埋和風蝕危害，結合公路沙埋、風沙流實驗、風洞實驗、路基穩定性、道路經濟性、交通事故分析，確定路基的合理填土高度。
  7. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  8. On the backgrounds of researches inside and outside country, and cooperating experiments with theories analyses, the influence of different processing technology parameters and different sbs modifier sorts on the sbs modified asphalts " properties has been studied. at the same time, their microstructure are observed through fluorescence optical microscopy and scanning electronic microscopy, thus to direct modified asphalt production. on the above conclusion ' s basement, analysing some disadvantages of the storage stability test of sbs modified asphalt in the current specification, a new storage stability test apparatus is developed

    本文在參考國內外研究的基礎上，採用理論、試驗相結合的方法，研究加工工藝參數以及改性劑種類等對sbs改性瀝青性能的影響，並通過熒光顯微鏡、掃描電鏡分析其微觀形態，從而指導sbs改性瀝青的生產；在此基礎上，分析我國現行規范用來評價sbs改性瀝青儲存穩定性方面的不足，開發了新的試驗儀，根據動態剪切流變試驗結果和微觀狀態分析，提出一個新的指標? ?離析率r _ s來評價sbs改性瀝青的儲存穩定性；最後，針對不穩定的改性瀝青提出改善措施，研究證明摻加增容劑和穩定劑是行之有效的方法。
  9. Wet and dry numerical simulation tests for explosive cyclone over western pacific were performed. by contrast the results show that : tropopause and constant temperature surface were raised by latent heat release in upper level and disturbance trough was produced because air flow ascended and became cold. owing to this process adaption, inertial instability emergenced

    對氣旋強烈爆發的過程進行干濕對比數值模擬試驗，得出：潛熱釋放使對流層項和等溫面抬高，氣流在高層的上升冷卻形成擾動槽，其適應過程使高層出現慣性不穩定。
  10. Citing the national separatism of the former yugoslavia as an example, the chapter aims at the illustrating the point that spreading widely in the world after the cold war, national separatism has become the main manifestation of global nationalism in the political area. the chapter also provides a thorough analysis of pan - turkism with the purpose of illustrating the situation of interwoven " separations " and " unifications " in political regards as the result of pan - nationalism gaining prominence in political nationalism after the cold war and how such situation has brought instability to the international community. in the context of economic globalization, global nationalism presents in the economic fields not only ultra - national and ultra - state communication and cooperation but also competition, confrontation and conflicts between nations and states

    以前南斯拉夫民族分離主義為例，說明民族分離主義在冷戰后蔓延於世界各地並成為世界民族主義在政治領域中表現出來的主流；以泛突厥主義為例，說明泛民族主義在冷戰后政治民族主義中凸顯出來，構成了冷戰后政治民族主義「分」 、 「聚」相互交織的景象，從而對國際社會帶來的不穩定因素；在經濟全球化的背景下，世界民族主義在經濟領域內既有超國家、超民族間的交往與合作，也有民族國家之間的競爭、摩擦、矛盾和沖突;冷戰後文化民族主義在不同發展程度的國家表現形式不同所產生的影響也不同，出現了「防衛性」的文化民族主義和「殖民性」的文化民族主義。
  11. Abstract : this paper discussed mainly the operational tactics of the moderate management on the condition of longterm land contractual management on household basis, put forward the main operational tactics : initiated the transference and concentration of the right of farmland use ; stressed to input funds, science and technology, labor and to provide good service in order to improve the productivity of land ; recognized the difference between developed areas and the less developed and adroitly guided action according to circumstances

    文摘:探討了在土地家庭承包經營長期穩定下規模經營的戰略選擇，提出其主要的運作戰略，即通過倡導農地使用權合理流轉集中，推進規模經營，吸納勞動力、科技、資金等要素，並配以優質服務形成規模效益，同時根據區域差別對發達地區與欠發達地區進行不同的戰略選擇。
  12. Multi - barretter driving patent technology, each lamp tube is an independent system and each barretter s load is no more than 65w abundant power stable

    1多鎮流器推動專利技術，每組燈管成為獨立的系統，單個鎮流器負荷不超過65w ，形成大馬拉小車，功率富餘量大，質量穩定。
  13. The theory that man is an integral part of nature, value of emphasizing blood relationship, and stable social structure require the mass media to create new images

    天人合一的觀念、重視血緣親情的倫理、穩定的社會結構等，都需要大眾媒介給予新的形象塑造，需要在全球文化的洪流中時刻保持一種本土化意識。
  14. This paper is concerned with, the existence and stability of travelling wave solutions for the viscous balance law which is an extension of viscous conservation law where a reaction term g ( u ) is added. l ) the existence of travelling wave solutions by geometric singular perturbation method, we investigate the existence of travelling waves ( a2 ) connecting a saddle point and a sink point and the existence of viscous shock waves c connecting two adjacent or disadjacent saddle points. by giving a detailed analysis of the fast and slow manifolds and verifying the transversality of the intersection of singular stable and unstable manifolds of the reduced problem along the singular heteroclinic orbit, we obtain the existence of travelling waves ( a2 ) in the case of a convex flow function / and that of viscous shock waves c under the assumption that f " is bounded

    主要結果如下： 1 ）行波的存在性本文利用[ 37 ]中幾何奇異攝動理論，通過仔細分析= 0時的快流、慢流，驗證= 0時慢流方程的穩定與不穩定流形橫截相交於奇異異宿軌道，先在f為凸的條件下嚴格證明了（ ）存在連接不相鄰的鞍點、結點的行波（ a2 ） ；然後在地f有界的條件下得到（ ）存在連接鞍點（包括相鄰和不相鄰）的粘性沖擊波c ，彌補了[ 11 ]缺少嚴格證明的不足，並推廣了[ 11 ]在f為凸的條件下得到的粘性沖擊波的存在性結果。
  15. The rehological deformation will result in change of strength of the filling material. during the rapid rehological deformation period, weak filling material was broken and getting finer, the strength decreases at the same time. in the stable deformation period, the fine particles fill up the pores so that the strength increases slowly

    在最初的流變加速期，軟弱顆粒逐步破碎細化，強度是衰減的；進入流變穩定變形期后，細化顆粒向粒間孔隙滑移充填，堆石的密實度有所提高，強度又呈緩慢增長趨勢。
  16. This is a particularly relevant question when and this is the second phenomenon that i am concerned about a significant part of our savings is recycled back into the region in a much more volatile form with a tendency to assume a predatory character, possibly creating financial havoc and monetary and financial instability in the region

    尤其當這些儲蓄大部分都以極不穩定的形式，甚至是狙擊型的勢態迴流區內，引起金融震蕩以及動搖貨幣與金融穩定，我們就更應該問這個問題，而這亦是我關注的第二個現象。
  17. This article studies the existion of homoclinic orbit bifurcation of sirs modle, moreover, it determines the relative location of stable manifolds and unstable manifold of hyperbolic fixed points of this system, therefore, it shows the parameter range of existing limit circle

    本文討論了具有暫時免疫傳染病模型同宿軌道分支的存在性，利用melnikov函數確定了該系統雙曲不動點的穩定和不穩定流形的相對位置，從而給出存在極限環的參數范圍。
  18. In section 2, we study the fixed point, stable set and unstable set of this system. for given parameters a trapping region is found with the property that any interval of unstable set will be expand under the map, so we get the conclusion that the system has infinitely many homoclinic orbits. as a consequence of the previous conclusion, we discuss the attractor of the system

    在本文中，我們討論了一個分段線性模型，它是物理學中用來模擬r - l - diode電路行為的數學方程，通過研究，我們得到該系統的一些拓撲性質以及符號動力學中的一些結論，主要內容如下：在第二節中，我們對給定的參數值，通過數值計算研究了該系統的不動點，不動點附近的穩定集與不穩定集，發現該系統中存在一個捕捉區域：該區域中的不穩定流形總體上是擴張的。
  19. According to the forecasting analysis results, the displacement of the rock mass is mainly trending to steady rheological status. different positions of the opening has different rheological characteristic and the time of reaching steady rheological status is different : rock mass at the foot of the opening has evident accelerated rheological phenomenon

    根據預測趨勢曲線看，洞室圍巖的流變特性明顯，變形主體上能保持在穩定流變階段；不同監測部位的流變特性是不同的，它們達到穩定流變的時間也不同。
  20. The thesis firstly made a research on waterpower calculation arithmetic of simple pipeline, and research results were used in other complicated pipeline system such as parallel pipeline, annular pipeline

    本文研究了天然氣在簡單管線中穩定流態下的水力計算問題，在此基礎上針對并行、環行等復雜管線的情形，改進了其演算法。
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