流動顯形 的英文怎麼說
中文拼音 [liúdòngxiǎnxíng]
流動顯形
英文
flow visualization-
In this paper, the flow pattern defects ( fpds ) were revealed by secco etchant and their shape, distribution on wafer and tip structure were studied in details by optical microscope and atomic force microscope ( afm ). the relationship between etching time and the tip structure of fpds was also discussed. furthermore, by studying the effect of rapid thermal annealing ( rta ) on the density of fpds in ar, the annihilation mechanism of fpds was discussed in this paper
本文將cz硅單晶片在secco腐蝕液中擇優腐蝕后，用光學顯微鏡和原子力顯微鏡對流動圖形缺陷（ flowpatterndefects ， fpds ）在矽片中的形態、分佈及其端部的微觀結構進行了仔細地觀察和研究，並討論了腐蝕時間對fpds缺陷端部結構的影響；本文還通過研究ar氣氛下快速退火（ rapidthermalannealing ， rta ）對fpds缺陷密度的影響，初步探討了fpds的消除機理。After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc
研究結果認為：發展種子產業應該把著眼點放在促進種子整體產品的開發上；種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建，而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足；廣西種子企業綜合競爭力總體處于較弱水平；面對wto ，廣西種子產業仍有諸多的不適應，突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業法律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面，而體制不順、企業產權不明晰、缺乏促進種業資源合理流動的有效機制以及「政府創造環境，企業創造財富」的正確理念正是導致目前廣西種子產業不能適應入世需要的深層次原因；因此，以提升種子整體產品開發能力為核心，不斷深化改革，調整種業體系中不相協調的各有關因素，構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系，是wto框架下加快廣西種子產業發展必須堅持的指導思想；其中，加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子法律法規體系、加大公共財政對種子產業的支持力度、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會作用等等，都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency
對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效率的段塞流生成機制和控制方法進行了研究，實驗證明段塞流的形成是由於空隙率波的大幅度增長使氣泡高度集中，並形成聚並所致。強湍流運動可以抑制taylor泡的形成。因此，通過強化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。There are a lot of special technical talents in chengdu. facing cutthroat competition of talent, market - oriented talent system, and frequent flow of talents, the authorities of chengdu led the way in promoting the reform of talent system in the city and has made some achievements
成都市事業單位聚集了大量的專業技術人才，在人才爭奪日趨激烈、人才市場化日益突顯、人才流動日漸頻繁的新形勢下，我市率先在全國進行事業單位人事體制改革，事業單位人才資源的開發和引進取得了一定的成績。At last the material and the craftwork are attempted to repair a pipe. the results show that : firstly, all of hdpe / elastomer, xlpe, hdpe / dynamic vulcanization elastomer can obviously improve the shape recovery properties of hdpe ; the shape recovery properties of hdpe / nr is the best among the three kinds of blended system hdpe / epdlvl hdpe / nr and hdpe / nbr, but the mechanical properties and flow behavior will decrease in a certain degree. secondly, hdpe and hdpe ( 2480 ) / nbr ( 15 % ) have the better anticorrosion to hot crude oil, and the anticorrosion of ldpe is the worst ; thirdly, the content of elastomer should be about 15 wt % if the blended system is used in the intercrossing method in repairing old pipes
結果表明： （ 1 ） hdpe彈性體、 xlpe 、 hdpe動態硫化彈性體能夠顯著改善hdpe的形狀回復能力；在hdpe epdm 、 hdpe nr和hdpe nbr三種共混體系中， hdpe nr的形狀回復能力最好， hdpe彈性體共混體系的力學性能和流動性能隨彈性體含量增加而降低； （ 2 ） ldpe耐80原油腐蝕性能很差， hdpe耐80原油腐蝕性能良好；共混體系中hdpe - 2480 nbr （ 15 ）耐80原油腐蝕性能良好； （ 3 ）作為穿插法修復舊管道的襯管材料，共混體系中彈性體含量以15為宜。The result of calculation shows that in that flood season of 1999, the flow of baini channel in networks was reciprocating flow for common ; it was in the extreme case of the storm surge, and affected by extreme velocity and topography, the flow in baini channel course and was rocking crookedly, this demonstrating the instability flow phenomena
計算結果顯示，在99年洪季時，河網內白坭水道流動為通常的往復流動；但在風暴潮極值狀態下，由於受極值流速及地形的影響，流動在白坭水道中彎曲扭擺，呈現出流動不穩定現象。It realizes the cooperates detection of electrocardiogram and pulse gram. it collects twelve lead electrocardiogram and pulse gram, display them on the screen at the same time, analyses and hands with electrocardiogram and pulse gram, obtains patients " hemodynamics parameters and electrocardiogram parameters, provides references for doctors " diagnosing. according to the results of detection, it provides suggestion or diagnosing references, as well as printing good diagnosis reports
他實現了心電圖和脈圖同時配合檢查，系統同時採集病人的十二導聯心電圖和脈搏圖，實時在屏幕上進行顯示，可隨時能夠對脈圖和心電圖波形進行分析處理，來獲得病人的血流動力學參數和心電圖參數，為醫生提供診斷與搶救的依據，並且能夠根據檢查結果自動為醫生提供診斷建議或進行診斷咨詢，並列印結果報告。Although the knowledge of wind effects on tall buildings has significantly improved over the last decades, an understanding of the mechanism that the atmospheric flow field to various wind include effects on structures has not been developed sufficiently for formulation of functional expressions. not only is the wind approaching a building complex, but the flow pattern generated around a building is complicated by the distortion of the mean flow field, the flow separation, the vortex formation, and the wake development
在過去的幾十年裡，雖然人們對高層建築風效應的了解已有顯著提高，但對大氣流場與結構物各種風致響應的關系還不能用解析表達式加以描述。由於平均流場的奇變、流動分離、旋渦形成以及紊流的發展，不僅使得流向建築物的風，而且使得繞建築物的流譜變得十分復雜。The effect of feed rate and particle size on spheroidization efficiency was studied
用光學顯微鏡觀察球化前後顆粒的形貌；用流動儀測定球化后粉體的松裝密度。Abstract : in this paper, a principle and method of the speed pulse waveform sampling are introduced. its object is to study an effect of the turning factor on torbulence. test is done in the aerofoil fengwen. on design of the user interface, application of the timer and displaying way of a pape and continuity are specifically discussed. expermental results and analysis is showed at the last
文摘:以翼型風洞為對象，著重介紹了變湍流度對翼型轉捩因子影響的速度脈動波形採集的原理和方法，重點對波形採集系統用戶界面的設計、定時器的應用、分頁顯示和連續顯示等技術進行了具體介紹，並給出了實驗結果及分析。Computed results of the numerical examples indicate that they can characterize the transom flows and lead to wave patterns similar to the results of the experiment
算例的數值結果表明它能顯示方尾流動特徵並導致與實驗相近的方尾波形。A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields
介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields
文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景New method for measuring the wall charge of ac plasma display panel under arbitrary driving waveform
交流等離子體顯示屏任意驅動波形壁電荷測量方法In this paper the injection dispersion in an oscillatory flow mixer has been studied by using the flow visualization technique with a solution of blue dye as the tracer. the process of injection dispersion was monitored with a digital camera connecting to a computer that treated the video data stream synchronously to obtain the attenuation curve of relative deviation of the flow image ' s gray scale values
實驗採用以藍色有機染料為示蹤劑的流動顯形技術，由攝像頭實時攝取注入分散過程的動態圖像，計算機同步分析視頻流數據，從而以在線監測的方式獲得流場圖像的灰度相對方差隨時間衰減的曲線。The research results is briefed as follow. ( 1 ) a new communication and decision - making method is presented, which integrated several new tools as well as some old ones ; ( 2 ) a new concept of " virtual communicating place shared in real time by multi - user " is brought forward, and a new technology based on event - driving and message - transferring mechanism is designed to realize graphic data shared by multi - user and displayed synchronously under net environment, which is the basis of the whole system. ( 3 ) a new mechanism for team members to share data efficiently is devised, which supports collaborative working in progress, maintains the consistency of data, records the history of design and etc. by defining a new type of the design data attributes and the privilege of team member to access to data in different time, using a new method of data manipulating, the team data sharing is realized
本文的主要研究成果為： （ 1 ）在研究國內外網路決策交流方式方法的基礎上，綜合多種方法的優點，提出了一種新的決策交流方式，採用了多種手段和工具，完善了網路決策交流的機制； （ 2 ）提出了多用戶共享的可視化虛擬交流空間的概念，並對其實現技術進行仔細的分析，針對目前存在的技術難點，提出了可行的解決方案，設計了一種新型的基於事件驅動和消息傳遞機制的多用戶實時共享圖形數據的解決方案，並採用了跨平臺的java技術實現了網路環境下圖形數據的實時交流和顯示； （ 3 ）針對團隊協同的網路cad系統的特點和要求，提出了一種新的團隊數據共享機制，通過對產品數據的基本屬性、歷史屬性、共享狀態屬性和關聯屬性的定義，結合對團隊成員在不同設計階段的權限控制，採用新型的對共享數據庫的數據操作方法，動態地維護團隊數據的共享、設計的變更、設計進程的同步、關連數據的一致性、以及多個團隊之間的數據交流。In the making process we use hot - forging warm - forging cold extrusion forming and magnetic annealing processes to completely solve the problem of complex form hign precision dimensions difficult manufacturing lower power and so on. what s more, part surface is very smooth with no trimmed margin, continuous flowing metal fiber, high strength, lower noise. forged claw poles obviously increase generator s power and life, and also improve finished product rate of roughness
在製造過程中採用了熱鍛溫鍛冷擠壓成型及磁性退火等先進生產工藝徹底解決了精鍛「爪極」形狀復雜尺寸精度高製造難度大功率低等問題，且產品表面光潔無飛邊金屬流動纖維連續毛坯強度大噪音低，明顯提高了發電機的功率和壽命，並且提高了毛坯成品率。After examining the assumption, this paper comes to the conclusion : enterprises ' organizational form has a remarkable impact on capital structure ; the ability of profit is correlated negatively with the leverage of total assets and the leverage of current assets ; growth is correlated positively with the leverage of current assets, and is correlated negatively with the secular leverage ; collateral value is correlated positively with the secular leverage, and is correlated negatively with the leverage of current assets
通過對假設進行檢驗，本文得到結論：企業組織形式對資本結構產生顯著性影響；盈利能力與總資產負債率，流動負債率負相關；成長性與流動負債率正相關，與長期負債率負相關；擔保價值與長期負債率正相關，與流動負債率負相關。( 7 ) the cross - section has significant effects on the secondary flow
門）截面的形狀對二次流動的結構影響明顯。The computer simulation technique for flow visualization is the technique of computational flow imaging ( cfi ). cfi is succinctly defined as the art and science of generating digital images of theoretical fluid observations of real flow fields. it involves numerical value calculation, image processing, computer graph and so on
流動顯示的計算機模擬技術亦即計算流場成像（ cfi ）技術，是根據計算流動現象產生數字圖像模擬真實流動的光學觀測的方法和藝術，涉及到數值計算、圖像處理、計算機圖形生成等多種技術。分享友人