閉式流行 的英文怎麼說

中文拼音 [bìshìliúháng]
閉式流行 英文
closed epidemic
  • 閉 : Ⅰ動詞1. （關; 合） close; shut 2. （堵塞不通） block up; obstruct; stop up Ⅱ名詞（姓氏） a surname
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 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...
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 流行 : prevalent; popular; fashionable; rage; run; in vogue
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上，通過系統建模和數字模擬分析，分別針對航空低壓直流（ lvdc ）和高壓直流（ hvdc ）兩種電動機構用永磁無刷電動機，在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究，提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  2. Drift angle position closed loop control system is achieved with 80c31 as controller, step motor as transact organ and absoluteness coder as measure organ. a large number of dada are obtained in all kinds space circumstance experiments

    設計和實現了以80c31作為偏流角控制器，以步進電機為執行元件，以絕對式編碼器作為偏流角測量元件的偏流角位置閉環控制系統。
  3. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。
  4. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外，與驅動電壓、驅動電路的設計密切相關，本文通過分析，首先開發出一種高低壓驅動電路，高壓電源是山升壓式dc - dc原理獲取的，低壓由蓄電池本身提供，實現高壓強激和低壓維持的功能，電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流，加誣了電磁閥的關閉速度；採用自舉吐路，降低了場效應管對驅動電壓的要求。
  5. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面，採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機，並採用感應同步器作為角度測量元件，運用軸角轉換器ad2s80a進行角度和速度的輸出，採用技術成熟的pid控制方案，進行速度和位置雙閉環控制，以實現指向反射鏡轉動速度的平穩性和位置的精確性。
  6. At the end of 2003, the dry weather flow interceptors that had been installed along the kai tak nullah were upgraded and turned into an enclosed conduit that helped reduce the odour problem

    在2003年底，啟德明渠內裝置的旱季截流設備進行了一項全面的改善工程，轉換為密閉式導管，以紓緩渠水惡臭的問題。
  7. The optimal extubation time after closed drainage of pleural cavity for spontaneous pneumothorax

    雙腔弗來氏尿管行胸腔閉式引流治療氣胸
  8. The operation measures for controlling over - filling ( over - emptying ) are feasible ; the hoisting loads of valve and miter gate are less than their design values respectively ; but, there exists cavitation phenomenon needed to pay attention to the first crossover culvert when the value is near and after whole opening

    控制超灌（泄）操作方式可行；閥門、人字門啟閉力均小於設計值；閥門接近全開至全開后，輸水廊道第一分流口有空化現象。
  9. Development study on model wy multi - functional thoracic cavity closed drainage system

    自發性氣胸行胸腔閉式引流術后最適宜拔管時間的探討
  10. Abstract : the paper introduces the brief cases of gas jet pump used for oil and gas well artificial lift, expounds operating mechanism, advantage and limitation of gas jet pump, analyses the actual results and service conditions of gas jet pump used for dewatering gas production wells. the analysis result shows the gas jet pump technology have the advantage of gas lift technology, and have higher efficiency and better result than semi - enclosed gas lift. service conditions of gas jet pump is the same with semi - enclosed gas lift. so it is worth using widely

    文摘:介紹國內外氣體射流泵用於油氣井人工舉升的簡況，闡述其作用機理、優點及局限性，分析用於排水采氣井的實際效果、應用條件；認為氣體射流泵工藝是具有氣舉工藝的優點，又比半閉式氣舉效率更高、效果更好，應積極推廣的工藝，因其應用條件與半閉式氣舉相同，故在氣舉井上作為接替工藝尤為簡便可行。
  11. A pid controller based on artificial neural network was designed to control the flow - rate of oxygen and the recycled exhaust gas. good control effects were obtained through simulation

    設計了基於單神經元的pid控制器對閉式循環柴油機的氧氣流量和廢氣再循環量進行了控制，通過模擬得出了較好的控制效果。
  12. Year, cost and establish closed factory building and equipment of assembly lineses at 8 million, have already developed one of the mosts advanced manufacturing enterprise of the biggest, facility into scale of emulsion trade now

    河北同樂乳膠製品有限公司成立於1991年是河北省最早一家專業生產乳膠製品的企業，經過5年的飛速發展，耗資800萬創建了半封閉式廠房和流水線設備，現已發展成為乳膠行業規模最大、設施最先進的生產企業之一。
  13. For example, the separate market theory and the income - risk theory can not make clear the problem of fund discounts. correspondingly, the achievement theory and illiquidity of assets theory only can explain the fund discounts partly. it founds that investor sentiment theory build on behavioral finance appears to be the driving force of the dynamic fund discounts

    通過各種直接和間接的統計檢驗，我們發現傳統的一些國內外對封閉式基金折價問題的闡釋，有的根本不能解釋我國封閉式基金的折價問題（如市場分割理論、收益風險對應理論） ，有的則只能起到部分的解釋作用（如業績理論、資產流動性理論） ，而建立在行為金融學基礎之上的投資者情緒理論相對來說有較強的解釋力。
  14. On the base of ananlysing and studying the run mode of bldcm, we introduce the detecting back electromotiveforce, the method of phase judging and compensation in detail. in order to improve the speeding performance we adopt the digital closed _ loop speed control strategy

    在對無位置傳感器無刷直流電動機運行方式進行全面分析研究的基礎上，詳細的介紹了反電動勢過零檢測、相位判斷及相位補償的原理及實現方法，並且為了在較寬范圍內提高bldcm的調速性能，採用了數字式轉速閉環控制。
  15. Until now, there have been a few reports on the damage of the water pumps caused by sand and water cavitation. by use of the test loop for solid and liquid two phases, under the condition of 3 % head drop, the damage location and relative degree of the sand and water cavitaiton occurred on the impeller were tested and researched. the result was, them, compared with the results under the condition that water cavitation occurred and no cavitation but only wear occurred. the differencts were analyzed. the analysis result can be used as the basis of the further research and the improvement of the impeller shape

    目前含沙水汽蝕對水泵損傷方面的報導甚少，本文利用固液兩相流試驗臺，對離心泵閉式葉輪在含沙水汽蝕時（ 3揚程下降點）的損傷部位和相對程度進行了試驗研究，並將此結果與清水介質發生汽蝕時的損傷情況[ 13 ]及含沙水無汽蝕情況下的磨損情況[ 7 ]相比較，對其差異進行了分析，為今後進一步探討葉輪損傷機理和葉型改進提供了實驗依據。
  16. With mixed - refrigerant, the thermodynamic efficiency of j - t cooler can be greatly improved. in this thesis, an open fast - cool - down j - t cooler driven by the high pressure pure nitrogen is investigated, and we also proposed mixed - refrigerant j - t coolers driven by a single stage oil - lubricated air - conditioning compressor. these two systems were studied both in theory and experiment

    採用混合工質的j - t節流製冷機在熱效率上比純質有大幅度的提高，本文從理論和實驗兩個方面分別對開式的j - t快速節流製冷機系統和用空調壓縮機驅動的混合工質閉式j - t節流製冷循環進行了研究。
  17. In the capital market efficiency theory, this thesis introduces efficient market theory and its form, the meaning of efficient market theory to setting down investment tactic. the efficient market theory has three forms, weak efficient market, half strong efficient m

    在非參數研究部分，根據各封閉式基金的公開資料，主要是招股說明書，基金契約以及各基金公布的投資組合，按基金上市的時間為序列，對基金的投資策略按投資管理流程進行歸類。
  18. We are also going along the same tendency : starting from the closed fund in 1997, to the issuance and execution of experimental measures on open security investment fund by the chinese security supervision committee in october, 2000 and the birth of three open funds including " hua an innovation " by huaan investment management company, open - end fund has more and more got people ' s favor, which has made it the mainstream of our investment fund

    我國也正沿著這個趨勢進行：從1997年發展封閉式基金起步，到2000年10月中國證監會正式發布並實施《開放式證券投資基金試點辦法》 ，華安基金管理公司推出了「華安創新」等三隻開放式基金，開放式基金越來越受到人們的青睞，並成為我國投資基金的主流。
  19. It is found that the automatic detection of drainage networks from digital elevation models is affected by flat areas and closed depressions. a variety of methods have been proposed to treat these two features, but it can be seen that the flat areas and closed depressions are processed only after they have been created, so that many spurious and parallel drainage courses are generated

    數字高程模型（ dem ）已在分散式流域水文模型中得到了越來越廣泛的應用，但dem中的閉合窪地和平坦區域影響著流域河網的自動提取。目前已提出好多方法來處理這兩種地形，但均針對已經形成的dem單元網格進行處理，結果往往生成偽河道及平行河道。
  20. By analyzing the different kinds of in use reducer and integrating the current research and considering the down hole operating condition, a kind of closed loop power distributional planetary gear reducer is put forward as a proper reducer to directly connecting the motor and the progressing cavity pump

    對目前使用的各種減速器進行結構分析和論證，結合國內外的研究和設計情況，並根據井下螺桿泵的工作條件，提出封閉式功率分流行星減速器作為聯接潛油電機驅動螺桿泵工作的減速器的方案。
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