流體動力形態 的英文怎麼說

中文拼音 [liútǐdònglìxíngtài]
流體動力形態 英文
hydrodynamic form
  • 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...
  • 體 : 體構詞成分。
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 態 : 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
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. The comprehensive effect of partial acidlity of working medium, flowing status of fluid, nocuous material in atmosphere, together with the overlong usage, largely increased the corrosion rate and caused the leakage

    結果表明，泄漏的主要原因是焊接缺陷導致焊縫區發生縫隙腐蝕，而工作介質的局部酸性、流體的流動形態、大氣中有害物質、溫差應力等綜合作用，加上使用期過長等加劇了腐蝕，導致該塔泄漏。
  2. The author takes three provinces in yangtz delta area for example to identify potential difference of the area and flowing direction of productivity

    其次借用流體力學模型的框架分析了科技生產力流動的形態、特點、成因以及社會動力機制。
  3. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  4. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析，給出了離心泵葉片型線的參數方程；它是以葉片安裝角為參變數，以引入的速度系數k _ v作為中間因子，將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實，在離心泵葉片型線的設計過程中，它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力，或者說，離心泵型線的設計是其水力設計的核心。
  5. The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details

    本項優化試驗研究的目的主要在於，通過泄洪系統整體水力學試驗，校核泄洪洞的泄流能力；通過發電引水系統整體水力學試驗，研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況；確定快速閘門井內水位波動幅度；試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。
  6. Transport traditional warehousing enterprises are established in the majority of the planned economy era, state - owned enterprises, these enterprises generally logistics infrastructure investment is insufficient, but has many years of experience in the logistics operation, and rules and regulations, good corporate reputation, warehousing and transport operations at the core provide relatively complete logistics services, with a strong ability to attract customers, and formed a basic customers in the community establish corporate image and brand effect of the logistics business remained relatively stable development of the situation, but as a modern logistics development, a modern logistics, long - span, dynamic and strong, can be divided into and the complexity of the advantages of traditional storage transport sector there are many issues, such as : management methods are backward ; the logistics facilities and equipment, lack of investment in facilities aging ; still lack the overall planning of a detailed and clear market orientation, lack of modern logistics management concept outdated marketing logistics, resulting in the mainstream enterprise customer groups scattered, low - level mobility of the large, it is difficult to retain the high - end customers ; enterprise systems and internal operating mechanism of the lack of vitality

    留學解答資訊網:傳統的倉儲運輸企業多數是建立於計劃經濟時代的國有企業，這些企業一般對物流基礎設施投入不足，但是有多年的物流運作經驗，和規章制度，良好的企業信譽，以倉儲和運輸業務為核心，提供相對齊全的物流服務，具備了較強的招攬客戶的能力，形成了基本顧客群，在社會上樹立起企業形象和品牌效應，使物流業務保持著相對穩定發展的態勢.但是隨著現代物流的發展，較于現代物流，大跨度性、動態性強、可分性、復雜性等優點，傳統倉儲運輸業出現了許多問題，例如：管理手段落後；對物流設施設備的投入不足，設施老化；尚欠缺詳細的整體規劃和清晰市場定位，缺乏現代物流管理理念；物流營銷方式比較陳舊，造成企業主流客戶群體分散，級別較低，流動性大，難以保留中高端客戶；企業體制與內部運作機制欠缺活力。
  7. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  8. Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

    通過本文的研究成果，根據區域性地貌的演化特徵，我們可以大致地對現今地應力場進行判斷：在分級卸荷條件下，巖體中彈性變形的恢復具有明顯的規律性，這種規律對于研究地應力場的演變是有幫助的；地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性；區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響，隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化，現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化；在峽谷區，山體中具有兩個應力帶：自重應力帶和卸荷應力帶，最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立；根據原始地面遭剝蝕的程度，可以大致地估算最大主應力和中間主應力的量值和方向；在丘陵區和平原區，最大主應力的方向近於水平，並與附近區域性侵蝕盆地和河流的展布方向基本平行，根據原始地面遭剝蝕的程度，可以大致估算其最大主應力的量值；根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵，並進而大致了解巖石的應力環境，這種分析方法得出的結論與許多實際的地應力測試成果基本一致，對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。
  9. Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced

    通過分析溫度、氮氣對原油粘度的影響，對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響，弄清了氮氣輔助蒸汽增產的機理主要表現在：氮氣輔助后增加攜熱能力，降低殘余油飽和度，氮氣的壓縮膨脹作用分散和改變了原油流動形態，增強了原油流動性；擴大蒸汽的波及體積，補充地層能量，提高回採水率，強化蒸汽蒸餾效應。
  10. Take the marxism as the important content and the theory instruction socialism ideology, is our country society ' s mainstream ideology, but in the new historical period, the socialism ideology is facing social reforming, the system innovation, the members of different social classes thought idea change and the economical globalization and so on many impacts and the challenge which brings, therefore, how further advances our country ideology construction, consolidates and strengthens the marxism in the ideology domain instruction status is important issue which the time proposed, only then persists pace with time, requests by the time comprehensively to carefully examine the new situation and the challenge which the current ideology construction faces, by the judgment science which develops grasps the mainstream ideology the essential connotation and the law of development, by the spirit which innovates positively impels the mainstream ideology the theory consummation and the practice innovation, can make our country mainstream ideology to maintain the vigorous vitality and the exuberant vigor throughout

    以馬克思主義為重要內容和理論指導的社會主義意識形態，是我國社會的主流意識形態，但在新的歷史時期，社會主義意識形態正面臨著社會轉型，體制創新，社會成員思想觀念變化及經濟全球化等帶來的諸多沖擊與挑戰，因此，如何進一步推進我國意識形態建設，鞏固和加強馬克思主義在意識形態領域的指導地位是時代提出的重大課題，只有堅持與時俱進，以時代的要求全面審視當前意識形態建設所面臨的新的情況與挑戰，以發展的眼光科學把握主流意識形態的本質內涵和發展規律，以創新的精神積極推動主流意識形態的理論完善與實踐創新，才能使我國主流意識形態始終保持蓬勃的生機和旺盛的活力。
  11. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積，得到了含氮量為21at的cn薄膜；研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響，給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因；引入脈沖輝光放電等離子體增強pld的氣相反應，給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑；應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ，得到了含n量為56at的晶態cn薄膜；探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系，證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果；採用光學發射譜技術對cn薄膜生長過程進行了實時診斷，得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律，給出了cn薄膜沉積的主要反應前驅物，揭示了cn薄膜特性和等離子體內反應過程之間的聯系；採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性，揭示了si原子對薄膜生長過程的影響，給出了si基表面碳氮薄膜的生長模式；在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積，證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性，並可顯著提高晶態碳氮材料的生長速率。
  12. In the paper, the influence of grain shape on the flow characteristic of self - flowing materials is discussed. it is considered that the flow characteristic of self - flowing materials with aggregate containning sheet - shape grains is good

    本文用流體力學的觀點，論述了顆粒形態對自流料的流動性的影響，認為含有片狀顆粒的骨料配成的自流料流動性較好。
  13. The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces

    應用所開發的求解器，以wigley船型為算例計算了大角度斜航船體粘性流場和水動力，分析了漂角的變化對船體所受到的粘性水動力的影響，相當精確地預報了以橫流分離和般渦生成與泄出為特徵的操縱運動船體特有流動形態及橫向水動力和轉脂力矩，經與現有試驗和計算數據比較，檢驗和驗證了該求解器精確模擬繞斜航運動船體的大尺度分離流動和計算非線性水動力的能力。
  14. Since 1990s, e - data exchange, e - funds transfer and security certificate has been maturely step by step, especially the popularization of internet and e - commerce. the current business structure and distribution system will be changed and become the potential and active trading carrier in 21 century. e - commerce changes the traditional commodity trading concept and make the traditional taxation collection faced the new challenges

    當前，以國際網際網路為媒介進行的商務活動正在全球范圍內興起， 20世紀九十年代以來，伴隨著電子數據交換，電子資金轉帳和安全認證等相關技術的日益成熟，特別是網際網路的普及，電子商務發展日益迅猛，全球電子商務即將改變現有的商業形態及其流通體系，將會成為21世紀最具潛力和活力的貿易載體，改變了傳統的實物貿易觀念，使得傳統的稅收征管面臨著新的挑戰。
  15. On the other hand, this flow is a typical non - linear model and there exists complicated secondary flow on the cross - section, also, a bifurcation will appear on some conditions. this study is signality in theory and has a broad application future

    另一方面，旋轉曲線管道系統是流體力學非線性的典型模型，在截面上存在形態復雜的二次流動，在某些條件下出現分叉解，深入研究旋轉管道流動，具有重要的理論意義。
  16. 2. effect of the viscosity ratio, mterfacial adhesion, processing conditions and composition on the dispersing morphology and properties of pp / eoc blends was investigated. low viscosity ratio and high shear rate during processing were found to produce fine and uniform dispersion of eoc in pp matrix, while low viscosity ratio, high interfacial interaction, good fluidity of elastomer and high shear rate in molding process resulted in fibril dispersion, which afford a guide for controlling the morphology of pp / eoc blends

    研究了粘度比、界面相互作用、加工條件和共混比例等因素對pp eoc體系分散形態和性能的影響，發現粘度比小和加工過程中剪切強度大有利於彈性體在基體中分散均勻細化；粘度比小、界面相互作用強、彈性體本身的流動性好及成型時受到的剪切應力大，使彈性體相易變形，沿流動方向取向呈纖，闡明了各因素對形態影響的作用機制，這對pp eoc共混物的形態控制具有重要的指導作用。
  17. By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design

    摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態，拋棄傳統的水力學研究方法，應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律，為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。
  18. In this respect, it tends to be an alternative of towing tank tests. the solution of 3d viscous flows around a ship in steady straightforward courses is capable of capturing more nearfield flow features than model tests and predicting viscous resistance with high accuracy, whilst for viscous flows around a ship in maneuvering motions such predictions are only in general good

    三維船舶粘性流計算方法，具有準確捕捉船體周圍粘性流動細節包括船模試驗難以測量的流動形態的能力，已成功地應用於船舶快速性方面的阻力預報；在船舶操縱性方面，這類方法雖處于初始發展階段，但也已獲得重大進展，具有精確預報船舶操縱水動力的潛力。
  19. Secondly, we study the asymptotic behavior of the global spherically symmetric smooth solutions to the initial boundary value problem for the multidimensional model for semiconductors in the exterior domain, i. e., we prove that the solution of the problem converges to a stationary solution time asymptotically exponentially fast. this result was published in the journal of henan university ( natural science, 4 ( 2003 ) )

    其次，研究在外部區域上的高維流體動力模型初邊值問題:證明了該問題的解依指數形式收斂到對應穩態問題的解，這一結果已發表在河南大學學報（自然科學版） 2003年第四期上。
  20. This dissertation makes use of all data which would be gained, such as tectonics, sedimentation and stratum, etc., using new theories and methods of fluid history and pool analysis for petroleum basin, petroleum hydrodynamic system, fluid chemistry, etc., considering dynamics and evolution, and systemic studies the dynamic process of petroleum creating, migration and accumulation, and analyzing the rules. at the same time, by integrative analyzing of petroleum fluid system in the tuha basin, we research the fluid properties of the jurassic petroleum hydrodynamic system in the taibei depression

    本文充分利用盆地構造、沉積、地層、有機質等演化歷史的研究成果，應用「含油氣沉積盆地流體歷史與油氣藏形成分析」 、含油氣流體動力系統、盆地流體化學與動力學等新理論、新方法，從演化和動態的角度，系統研究油氣的生成、運移、聚集等成藏動力學過程；以及在成藏動力學過程中流體化學與動力學在地質體中的記錄，分析、預測油氣的運移、聚集規律。
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