液流圖 的英文怎麼說
中文拼音 [yèliútú]
液流圖
英文
effluogram-
Various sensors that are besotted in the 3d world through vrml can effectively sense all kinds of operators " behaviors ; java byte codes that are besotted in the interface between vrml and java through the " script " node can finish difficult tasks. so the alteration can be concluded as follows : operators touch parts of the shelf, and the java byte codes execute the relative function, finally results are reported to the operators. ( 3 ) through detailed studying the working function of the throttling experiment, i constructed a mathematical model of the experiment and simulated the model
Vrml可以在瀏覽器環境中為3d實驗臺模型添加多種感知器，能夠良好地感知操作者的各種意圖；在vrml和java技術的介面中，可以利用java程序代碼來完成一些復雜的任務，從而實現了實驗的交互：實驗者感知實驗臺的各種儀器，程序完成相應的任務，然後返回相應的結果； 3 ）仔細研究了節流調速實驗的液壓迴路原理，對實驗過程建立了相關數學模型，進行模擬分析並獲得了模擬結果，實現了基於模型驅動方法的虛擬實驗； 4 ）實驗臺遠程訪問的實現。Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle
流體噪聲主要來源於輸出流量脈動，造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流，在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲，本文以截流作用和液體的可壓縮性為理論依據，以matlab語言為工具，對原配流盤上的v型尖槽進行了理論計算，繪制出p - t圖線，分析了它的不足，並對原有v型尖槽進行了優化設計，得出了v型尖槽的最佳幾何尺寸：配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ，槽長5mm ，槽的橫截面為等邊三角形。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。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。3. effects of intrathoracic pressure change on the hemodynamics and the motion of ivs in patients with pe to observe the respiration - related hemodynamic changes and the ivs motion in 10 patients with pe with or without cardiac tamponade using echocardiographic technique. 4
心包積液時呼吸對血流動力學及室間隔運動的影響用超聲心動圖觀察心包積液伴有或不伴有心包填塞患者川例的血流動力學改變及室間隔隨呼吸運動倩況，計算rvi值，並與正常人進行對照。In the paper, we describe the whole configuration of the joint transform correlator ; introduce the correlative theories of joint fourier transform in detail ; in order to achieve better correlation result, the nonlinear processing of joint transform power spectrum ( jtps ) is put forward, the effect of jtps laplace sharpening and binary processing to the correlation image is given ; the method of the best binary threshold is determined ; we analyse the correlation image, present the way that removes liquid crystal diffraction spot, direct current spot and image noise, and binarize the correlation image finally
本論文主要對提出的聯合變換相關的整體結構進行了描述；詳細介紹了聯合傅里葉變換的相關理論；為了得到更好的相關結果，本文提出對聯合功率譜進行非線性處理的方法，給出了聯合變換功率譜的拉普拉斯銳化和譜的二值化處理對相關峰圖像的影響及二值化最佳閾值的確定方法；對相關峰圖像信息進行了分析；提出了消除液晶衍射光斑、直流光斑和圖像噪聲的方法；最後對相關峰圖像進行了二值化處理。Requirement : bachelor degree or above in fluids power transmission and control or mechanical engineering ; at least 3 years ‘ working experience in fluids engineering. ( preferably in design institute ) ; good knowledge of hydraulic and lubrication control system ; working experience in installation and commissioning of hydraulic and lubrication systems ; proficient in autocad and solidworks ; good english communication skills ( spoken and written ), team spirit
要求：大學本科以上學歷，液壓傳動及控制專業；三年以上液壓潤滑系統設計工作經驗（有設計院工作經歷者優先） ；具有豐富的流體控制系統的知識；具有液壓和潤滑設備的安裝和調試經驗；熟練使用autocad ， solidworks等繪圖設計工具；有較強的英語口語和寫作能力，有團隊合作精神。Thirdly, it simulated the pumping circuit & dividing circuit with the widely used software matlab / simulink. the displacement of the rod piston and the impact of hydraulic are analyzed in the different input flow ( frequency of pump ) and different reversing time. it found out the cause of hydraulic impact ( one - to - one incorrespondence between the response time of dividing circuit and the operation time of rod piston ), and gave some methods to weaken hydraulic impact. in the final part of the paper, the reliability of the theory analysis is further verified by the experiment of hydraulic system
首先在流變學原理的基礎上，深入分析混凝土在輸送管道內的流動狀態，得出混凝土泵的負載特性方程；然後根據功率鍵合圖的建模方法，建立泵送迴路和分配迴路的數學模型，並運用模擬軟體matlab simulink對泵送和分配迴路模型進行了模擬，分析了在不同的輸入流量（泵送頻率）和換向時間下，活塞桿的位移和系統的液壓沖擊情況，找到了引起液壓沖擊的根本原因（即分配迴路的響應時間（固定值）與活塞桿的運動時間（變化值）不相匹配） ，並提出了相應的改進方法。For the third type, the blood ' s speed is very fast in a frame and maybe very slow in the next frame. it is difficult to measure the velocity using a standard video system but can be measured with high - speed video camera system [ 17, 42, 43 ]
第三類微血管內血液流動特性是時快時慢，很難在標準視頻設備下測量出來，但如果在高速採集卡下的視頻圖象和第一類一樣時，可以用第一類相同的方法測量出來。A study on radial liquid distribution in trickle bed using visual image techniques
可視化圖象法評價滴流床液體分佈Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit
分析了混合型有源濾波器的控制系統、諧波檢測方法及控制原理、數字低通濾波器和pwm信號的產生，在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾波器硬體原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。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。Xenon computed tomography not only takes a picture of the brain, as does a traditional ct scan, but also allows doctors to measure exactly how much blood is flowing to different parts of the brain
由計算機操作的氙氣層面x線照相術不僅可以象傳統的ct掃描儀那樣拍攝下大腦的圖像，還可以使醫生精確地測量出到底有多少血液流回大腦的不同部位。The protector makes the over - current value, zero - phase - sequence component, negative - phase - sequence and so on as protection criterions, in protection theory ; it makes atmel 8 - bit microprocessor at89c55wd as the core, with which the lattice lcd is linked, in hardware
該保護裝置在保護理論上，以檢測過電流幅值、零序電流為判據；在硬體實現上，以atmel單片機at89c55為核心，外接圖形點陣式液晶顯示器、觸摸式按鍵等外設。Due to its high outputting luminance, large screen and the high quality of the projective image, the projection display for large screen has been used in many fields, such as official business work, conferences, etc. liquid crystal projection display, for example, one of the most important micro - display techniques, has shown the tendency for substituting the crt projection display in the conventional video display field
大屏幕投影顯示以它的高亮度、大面積、高質量的顯示圖像，已逐步成為現代顯示技術的主流，廣泛應用於辦公、會議、家庭影院等領域。以液晶投影顯示技術為例，目前這項技術以及得到了廣泛應用，而且正在逐步取代傳統的crt顯示技術。The high - order finite element methods are used to obtain high accurate solutions of the steady flows. characteristics of the chaotic mixing are analyzed by numerical simulation and experiment through examining of the asymptotic coverage of a passive tracer
數值模擬採用高階有限元獲得高精度的流場，計算周期和非周期混沌混合中的染色液滴對流圖案和實驗進行比較。Abstract : based on the research of the three - dimensional models of glass batch, molten glass flow and heat transfer within glass furnaces, the result of graphic simulation of temperature and velocity fields are given. by comparison with the erosion refractory photos in the cold state of 300 t / d float furnace of hangzhou float glass industry ltd., the reliability of the models is proved. at the same time, the effect of glass temperature and velocity fields distribution on erosion of refractory with in float glass furnace are discussed
文摘:通過對窯內配合料及玻璃液流運動和傳熱的三維數學模型研究，對玻璃液溫度場和流場進行了圖形模擬，將模擬結果與杭州浮法玻璃工業有限公司300噸級浮法窯冷修時所拍攝的各部位耐火材料被侵蝕情況照片進行了比較、分析，驗證了模型的可靠性，並分析耐火材料的被侵蝕與玻璃液溫度場和流場分佈的影響。A new algorithm was presented for segmenting overlapping bubbles in gas - liquid two phase flow images by using both intensity distribution and shape distribution information
摘要針對氣液兩相流圖像中的氣泡黏連現象，提出了一種同時依據灰度和形狀分佈特性進行黏連氣泡分割的圖像處理演算法。The results showed that the curative effect of observation group was better than that of control group
結果：在總有效率、主要臨床癥狀、心電圖、心功能、血脂、血液流變學方面，治療組療效優于對照組。It can be used in real time situation. for the second type, the blood flow ' s speed is very high ( fig. 3. 5 ). average speed of a frame can be measured using fft
第二類血管內的血液流速很高（見圖3 . 5 ） ，看不清細胞，本文用傅立葉變換，可以求出每幀血液的流速。分享友人