高度流線型的 的英文怎麼說
中文拼音 [gāodùliúxiànxíngde]
高度流線型的
英文
highly faired- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 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...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 的 : 4次方是 The fourth power of 2 is direction
- 高度 : altitudeheightelevation
- 流線型 : streamline; streamlining; fairness; hydraulic form; hydrodynamic form流線型車體 racing body; 流線...
- 流線 : filament line; filum aquae; flow line; streamline; streamlining; line of flow; stream filament流...
-
The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas, dozens of routes and nearly 100 road sections have been surveyed, among them two highways have been taken as the chief investigation objects, they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy
本課題的研究工作包括:對國外相關資料的調研分析;對已建沙漠地區公路進行調查、觀測了十余條線路,近百段路段,以『 210國道包頭至東勝一級公路』 、 『內蒙阿拉善盟s307尚德至孟根段』為主要調查對象;風沙流路基高度的關系、風洞試驗;對調查路段及依託工程調查、觀測結果統計研究;不同高度下路基穩定性分析;路基經濟性分析;按照沙丘類型及公路等級提出路基合理高度推薦值。Divided into two, three, four, five series, uses superelevation brightness led to coordinate with the plastic linear manufactured with the pvc material decorating lamps and lanterns, is one kind of new illumination photosource which emerges in the last few years, belongs to the cold photosource, through the chip control, may realize changes gradually, the jump, the color glitters, stochastically glitters, changes gradually, pursues, the scanning in turn and so on the mobile color change
Led燈飾產品應用實例柔性光帶系列:分為二線三線四線五線系列,採用超高亮度led配合pvc材料製造的可塑性線型裝飾燈具,是近幾年來興起的一種新型照明光源,屬于冷光源的一種,通過晶元控制,可實現漸變跳變色彩閃爍隨機閃爍漸變交替追逐掃描等流動顏色變化。When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge
以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值線圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取集水面積,河道平均坡降和流域形狀系數,在參數等值線圖上查得橋涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精度較高,設計的洪水流量一般低於傳統方法,從而可減小橋涵跨徑,節省投資。The hardware has two input channels of high - speed analog signal, with the signal amplitude of 0 - 5v, the conversion precision of 12bits, and the maximum sampling rate of 400ksps. this system includes 4 dsps ( adsp 2181 ), which can be arranged as a pipe line processing array. many algorithms can be realized in this system
系統硬體有兩路模擬數據採集通道,模擬信號輸入范圍為0 ? 5v ,轉換精度為12位,最高采樣率400ksps ;系統包含4片dsp ( adsp2181 )構成的流水線型的處理陣列,可用於實現各種演算法;系統的控制邏輯由fpga完成。A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method
提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求,選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化,再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法,通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍,以速度調節器和電流調節器的參數為染色體中的基因,通過遺傳演算法在搜索范圍中優化這些基因,獲得優化解.實驗結果表明,所設計的參數能使系統性能指標有顯著提高And then, the cavity flow is simulated, and the streamline and pressure contour at different reynolds number are plotted, the stream function and location of vortex centers are agree well with the previous results, which indicate the incompressible lattice bgk model is reliable
進而對方腔流的速度場和壓力場進行了計算,繪制了不同雷諾數下的流線圖及壓力等高線圖,得到的迴流渦的位置和流函數的值和現有的數據十分吻合,表明本文不可壓格子模型是可靠的。First, it gives a comprehensive introduction and analysis on the cti technology. then it introduces the subscriber call procedure on telephone network and some power system communication criterion. on the basis of analysis on dispatching telephone test flow, model and mathematical analyzing, the author developed a valuable dispatching - telephone auto - test system based on the cti technology
文中首先對cti技術進行了較為全面的介紹和分析,其後介紹了電話網路中用戶線部分的呼叫過程及電力系統通信網路的一些行業標準,在對調度電話測試流程、模型及數學分析的基礎上,基於cti技術開發出了一套具有較高實用價值的調度電話自動測試系統。The stationary, hydraulic lift tables are characterized by their heavy loading, wide usage, high safety and high effclendy. they are available for smooth rising in inspection and installation of large equipment, as well as using together with production line and special equipment
該產品承載最大、行程范圍廣、安全高效,用於物流過程中高度差之間的貨物輸送、裝卸、傳遞,可與流水線、專用設備等配套使用;大型設備檢修、安裝等舉升用。The measurement of oil / water two - phase flow is primarily accomplished by the combination of total flow rate and holdup measurement, and at present, the rotator flowmeter is used to measure the total flow rate. since the rotator flowmeter has movable parts, which makes its responsibility behave nonlinearly under poor environment of me under hole whose fluids have very complex and changeful characteristics and affects the measurement precision. what ' s more, the widely used centralized measurement instrumentation meets problems in oil wells characterized with high production or high water cuts
通常油水兩相流測量主要是通過總流量和持率的測量組合來完成的,目前在總流量的測量中主要使用的是渦輪流量計,由於渦輪流量計具有可動部件使其在流體特性復雜多變的惡劣井條件下的響應呈非線性變化規律,影響測量精度,此外,普遍採用的集流型測試儀器在高產井及含水率高的油井中使用也遇到困難,為此,一種新型的適合非集流型點測的測試方法和測試儀器亟待發展和推廣。Based on the analysis of commercial banks " current concept about fund management, this paper brings forward that fund management is the main - string in its operation, and that the concept of fund management, including security and profitability, is extended from current " forrying fund " to the management of the fund cost and fund risk the paper comprehensively discusses the principle of fund management, the management of fund costs, the tactics of management about fund liquidity, the measures of management about fund risks and how to solve the problems on interest risk in the period of frequent interest fluctuation. the paper puts forward ideas on how to improve the fund management. the security, liquidity and profitability of the fund, which are both contradictory and integrated with one another, are internal factors of fund management. fund liquidity is traditional core question. commercial banks face with a number of risks of witch credit risk is the greatest one because our country has adjusted interest rates 8 times since 1996, which covered a period of frequent interest fluctuation
商業銀行面對許多風險,但最大風險是信用風險。由於我國自1996年以來已連續調整了8次利率,近幾年是利率波動頻繁時期,研究利率的敏感性問題顯得特別重要。要改善資金管理,提高商業銀行的經營水平,就要建立資金管理是商業銀行經營主線的理念,對資金要統一規劃和管理;要改革銀行的體制,建立現代企業制度和法人治理結構,在體制上為資金管理提供有利的運行平臺;增加改善資金流動性管理所需的貨幣政策工具,擴大資金調控手段;打破貨幣市場的僵化局面,為資金管理創造有利的宏觀環境;續續優化負債結構和負債載體設計;增強資金信用風險規避和化解的措施;通過銀行資源整合,努力尋找資金的安全投放渠道,最終完成經營模式由傳統型向現代型的轉變。Introduced fluorine less frothing equipment from italy perros, multifunction filling equipment produced by denmark agramkow, leakage testing equipment type hld5000 from germany inficon, the company invest to establish an advanced fluorine less production line with large production capacity and high and autoimmunization from metal shaping, plastic forming, and frothing to leakage testing
公司引進義大利perros公司無氟發泡設備丹麥agramkow公司生產的max95多功能充注設備,德國inficon公司hld5000型檢漏設備,投資建造了一條從鈑金吸塑發泡到檢漏生產能力大高度自動化的先進無氟生產流水線。So the labyrinth weir is particularly suited for use where the discharge structure need to enlarge the ability of outflow but the width is restricted the labyrinth weir could be divided into straight - labyrinth weir and curve - labyrinth weir in this paper
因此,迷宮堰特別適用於泄水寬度受限,但又需提高泄流能力的泄水建築物中。本文將迷宮堰分為直線型迷宮堰和曲線型迷宮堰。Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather
對重慶地區高校教室的現場調查,測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數,通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感和潮濕感,通過編製程序求得預測平均熱感覺評價pmv的值,比較pmv和問卷調查得到的平均熱感覺mtsv ,發現pmv預測值高估了重慶地區高校學生的熱感覺,這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性,對現場問卷調查的結果進行分析,得出了室內空氣溫度、氣流速度、相對濕度與人體主觀感覺之間的回歸曲線,發現重慶地區高校學生熱中性時的空氣溫度為25 . 5 , fanger根據歐美人群調查得到的公式計算出的預測熱感覺為中性時的空氣溫度為25 . 0 ,兩者相差0 . 5 。Abstract : in the internal circulating fluidized bed, there exist the moving zone, fluidizing zone and heat transferring zone with different fluidized air velocities. the convection heat transfer coefficient of immersed tube in the heat transferring zone is impacted by the velocity of the moving zone nearby and its data and change trend are obviously different with those of the common bubbling bed. the maximum heat transfer coefficient is evidently higher than that of the bubbling bed. as the bed materials have not been fluidized in the heat transfer zone, the coefficient has increased highly. the curve of that changes gently, feasilble to control the combustion intensity in the fluidizing zone
文摘:垃圾焚燒系統中,內旋流流化床存在不同布風速度的移動區、流動區和換熱區,處于換熱區的埋管的對流換熱系數受附近流動區氣流參數的影響,其變化趨勢及數值大小與普通鼓泡型流化床之間有明顯不同:最大的對流換熱系數明顯高於鼓泡床;換熱區尚未流化時,對流換熱系數已經大幅提高;整條換熱曲線的變化比較平緩,易於流化床濃相床內換熱。From the viewpoint of macro dynamic characteristics of freeway traffic flow, this paper classifies the freeway, gives a nonlinear macro dynamic traffic flow model of freeway using density and speed as state variables and then identifies the parameters by using searching approach step by step, finally gives an identification instance
摘要從高速公路交通流的宏觀特性和動態特性出發,對高速公路進行了兩級分段,以車流密度和車流速度作為狀態變量,給出了高速公路非線性的宏觀動態交通流模型,進而採用直接搜索法對模型中的參數進行了分段辨識,並給出了辨識實例。Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street
輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不斷增加,道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不斷提升,具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。The motion system synchronizes with the computer generated image to simulate the realistic feeling of accelerationdeceleration speed, vibration in motion and wind pressure on getting by train coming from the opposite direction etc. with the feature of the motion system, the new cab simulator will provide a more realistic environment and feeling to the driver trainee during the cab simulator training
新列車模擬駕駛室除了有較為流線的外型,同時是全港第一架設有三度空間動感系統裝置的模擬駕駛室。動感系統與電腦影像一致配合,能模仿列車在加速減速,震動及遇到高風速等情況,令司機在模擬駕駛室內受訓時能感受到一個較真實的駕駛環境。However, cfb technology itself is developing fast, and the combustion process of cfb is highly non - linear, with high uncertainty, large time delay and high multi - variable coupling, making the process complicated. so far, the research on the combustion mechanism and its fuzziness is immature, therefore, there is no good model for real - time control of the process
但是,迄今為止循環流化床鍋爐仍然是一種工藝上不斷改進的新型鍋爐,它的燃燒過程具有高度的非線性、不確定性、時變和大滯后,及多變量耦合嚴重等復雜特性,尤其是目前對其燃燒機理和模糊化的研究不太成熟,還沒有能用於實時控制的完善的模型。Measure and control unit adopted 16 - bit, high - speed a / d converter, it can guarantee the speed and precision of alternating sample. the part of communication adopted can bus to transmit the data, it was suitable for real - time control and can guarantee dependability. it adopted the can bus adapter of yan - hua company whose type was pcl - 841 to communicate with processor unit the processor unit adopted industrial pc, which can guarantee the system work well for a long time
其中下位裝置採用西門子公司的高性能十六位處理器c167cr - lm ,其內嵌can總線控制器便於通過can總線與上位機進行通訊,數據採集部分採用十六位高速a d轉換器從而保證了交流采樣的速度與精度,通訊部分採用可靠性高,適于現場實時控制的can總線來傳輸數據,與上位機介面採用研華公司的型號為pcl - 841的can總線適配器,為保證系統長時間可靠運行上位機採用工控機。Sleek cars race at high speeds as top racecar drivers compete for millions of dollars in prizes. welcome to formula one grand prix racing, the world ? s premier motor - racing competition
在百萬美元獎金的誘惑下,賽車手們駕駛著流線型圓滑的賽車以最高速度參與角逐。歡迎你來參觀格蘭披治國際汽車大獎賽,世界一流的汽車賽事盛會。分享友人