調壓環 的英文怎麼說

中文拼音 [diàohuán]
調壓環 英文
relief frame (or ring)
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : 壓構詞成分。
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  1. Adjust the hydril ( annular preventer ) pressure to 900 psi

    形防噴器調到900磅/英寸2 。
  2. 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,分別針對航空低直流( lvdc )和高直流( 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穩速控制的策略。
  3. 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。
  4. After analyzing deformation of each cirque, with combined cirque method, pressure - bearing ratio of steel lining and rock is obtained in the condition of coincident deformation among each cirque

    並利用變形協調條件,推導出各變形的解析解,得到鋼襯和圍巖的力分擔比。
  5. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸反循的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液起立,減少了輔助作業時間。
  6. The fourth, the models of the drivers are set up by electromotor drive and fluid drive theory, from which the programs are compiled for adams to call in as the input parameters

    運用電機拖動、液控制的一般理論建立了某炮供輸彈系統驅動節的數學模型並編制了相應計算程序,通過adams的數據介面調用這些程序以作為動力參數輸入。
  7. In a study examining the impact of environmental cigarette smoke on heart blood vessels, japanese researchers found that 30 minutes of exposure to secondhand smoke reduced nonsmokers ' coronary flow velocity reserve ( cfvr ) - - a measure of the speed of blood flow

    該研究調查了吸煙境對心臟血的影響,日本研究人員發現暴露在二手煙境三十分鐘可使不吸煙者冠狀動脈血液流速,這就是血液流速的測量值降低。
  8. The theories and design principles of each circuit of the spwm three - phase frequency inverter experiment unit are in detail introduced in this thesis. at the same time some experiment results are shown that include the output voltage and current waves when the load is in resistivity, inductivity or asynchronous motor

    文中詳細介紹了spwm三相變頻實驗單元所包含的各電路節的理論基礎及設計過程,並給出了調試結果,如負載為阻性、感性和異步電動機時,實驗單元輸出的電和電流波形。
  9. The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality

    而浸漆乾燥工藝作為電機、變器等電氣設備的修理、製造中的重要節之一,對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手,聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷,提出了熱風循乾燥的概念,同時,選擇了較為先進的a d板卡、熱電阻信號調理板等專業化智能卡,運用數字pid控制技術,構成了一個較有特色的計算機控制系統。此外,該文還從保證乾燥品質量的角度,採用智能化交流模塊和自製采樣調電路的方法,提出了在線檢測產修品的絕緣電阻的方法和手段,以確保企業產品質量不斷提高。
  10. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調器和pcm調流器)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控制系統的實際情況出發,提出了差內模糊參數自適應pid控制策略和流量外模糊pi復合控制策略,以實現氬氣流量的精確控制。
  11. Recent years, with the full - blown development of the prestressed concrete technique, the prestressed technique with ring - like strands as the professional technique adapted to the penstock, has been applied to many civil engineering fields such as tunnels and surge shafts in civil engineering hydraulics and power engineering, containment shells of nuclear power station, industrial storage bunkers, digesters and conservation pools in municipal engineering

    近年來,隨著預應力混凝土技術的成熟化發展,形預應力作為適應力管道結構形式的專業技術,廣泛應用於水利水電工程隧洞和調井、核電站安全殼、工業儲料倉、市政工程消化池和蓄水池等諸多領域。目前,預應力混凝土力管道已得到了越來越多的重視和研究。
  12. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調驅動器,實現plc與步進電機驅動器之間數字介面。
  13. The principle, method and procedure for adjusting loop flow distribution by measured network data ( pressure and flow of feature node ) in the hydraulic calculation of city gas network are introduced, and the cause of errors occurring when using this method is analyzed

    摘要介紹了城市燃氣管網水力計算中利用實測管網數據(特徵節點的力和流量)調流量分配的原理、方法和步驟,分析了該方法出現偏差的原因。
  14. Adjustable compression kneepoints, release time and output limiting to keep your listening environment comfortable

    調縮拐點、釋放時間、輸出限制來保持聽覺境的舒適。
  15. The paper makes out the calculating program of the surges in throttled., simple and differential surge tanks with the method of runge - kutta, fortran 90 and the basic formulation of surge tank on the visual fortran background compiler. 4

    在windows境下,使用visualfortran編譯平臺,從調室的基本方程出發,採用四階龍格庫塔方法,用fortran90語言編制了阻抗式、簡單式及差動式調室的水位波動計算程序。
  16. Some day later, the latter zhaogao got a bad idea that he changed the gas station position from its civil land into the living green land of the sanhuan new city

    后來這個趙高想出了一個歪招,把燃氣調站的選址從尚未拆遷出來的的市政用地改到了三新城兩棟住宅之間。
  17. The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced

    第二章針對雙幅控制技術在單相橋式電源逆變器中的應用為範例進行研究,提出了直流母線無短路控制和通過pi調穩定箝位電的雙幅諧振控制策略,進一步提高了母線振蕩頻率,減少了直流節損耗。
  18. 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縮機驅動的混合工質閉式j - t節流製冷循進行了研究。
  19. An experimental apparatus has been set up and experiments have been carried out successfully. it is the first time to use a kind of environment - friendly refrigerant, a rectifying column and an air - conditioning compressor in the ultra - low temperature refrigeration cycle. high boiling component, low boiling component and lubricant can be separated effectively

    本文自製了一臺自動復疊製冷循樣機,採用保型製冷工質、精餾裝置和單級油潤滑空調縮機,實現了混合工質高低沸點組元和潤滑油的高效分離,成功地把低溫箱內的溫度降到- 80 。
  20. For the direct current decouple controller, the p1 adjustor ? parameter of current and voltage loop ? is designed. the correction of the designed parameter is testified by simulating on two phase synchronization coordinate and three phase stationary coordinate, the simulation wave is given

    對直接電流解耦控制器的電流和電的pi調節器參數進行了設計,並通過在兩相同步坐標系與三相靜態坐標系的模擬驗證了設計參數的正確性,同時也驗證了直接電流解耦控制方案的可行性,給出了模擬波形。
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