泵間線 的英文怎麼說
中文拼音 [bèngjiānxiàn]
泵間線
英文
fore line-
On the basis of analysis of the characters of high - pressure getting rid of squama water pump, for example rotating machine and running production, a system of online monitoring and fault diagnosis is developed
=本文針對高壓除鱗水泵機組屬大型旋轉機械的結構形式及不間斷運行的生產特點,研製出一套高壓除鱗水泵機組在線監測和故障診斷系統。Kinematics of the axial piston pump with swash plate yoke ' s angle were analysed. there was a lot of analysis about relative movement between piston and cylinder block, between piston and swash plate, between slipper and swash plate. at same time, the movement simulation curves were given
對軸向柱塞泵進行運動學分析,重點是對柱塞與缸體之間,柱塞與斜盤之間以及滑靴與斜盤之間的相對運動進行分析,並且分別給出了模擬曲線; 2In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析,給出了離心泵葉片型線的參數方程;它是以葉片安裝角為參變數,以引入的速度系數k _ v作為中間因子,將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實,在離心泵葉片型線的設計過程中,它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力,或者說,離心泵型線的設計是其水力設計的核心。This thesis analyze the effects of its mechanism dimension to the working properties with many of date, and the flux curve of principal and subordinate piston mortar pump, and the effects of the transition working area of the compensatory cylinder to the working properties, and find the differences between the actual properties and the theoretical model, proposes the measures for the improvements, as well as gives the guiding instructions for the mortar pump design
數據分析了主從活塞式砂漿泵機構尺寸參數變化對泵工作性能的影響,分析了主從活塞式砂漿泵的排量曲線,以及補償缸工作的過渡區間對泵工作性能的影響,找到了泵實際工作性能與理論模型的差別並提出改善措施,對該砂漿泵的設計提出指導性建議。Then some optimal models of water supply networks are enumerated and some factors which can influence the optimal results are analyzed such as the efficiency of pump station, the temporal value of fund, the curve of water consumption and the coefficient of water supply energy and so on
接著,列舉給水管網優化設計的數學模型,並分析影響目標函數優化結果的各種因素,例如泵站效率、資金時間效率、用水量變化曲線、供水能量變化系數等。On the base of analysing the ordinary design methods, aiming to the minimum annual cost or investment, taking the pipe length and water pump lift as decision - making variables, the linear programming models are presented to optimize the diameters of main network and field network
論文首先分析了常規微灌系統規劃設計方法,在此基礎上,以年費用或投資最小為目標,用離散管徑方法,以管段長度和水泵揚程為決策變量,分別建立了水泵加壓式和自壓式干管管網優化設計以及田間管網優化設計線性規劃模型。Based on many references form civil and abroad, the author mainly studies the measurment theory and method for flux, raising height, axial power and rotational velocity. avoiding many complicated and intermediate courses for power wastage analysis, introduces the electric measurement and using efficiency curve of motor in measureing axial power, and satisfies the automatization of the device. the paper also provides a new method, inductive winding, in measuring rotational velocity of electromotor, supplys limitations of other method in measuring rotational velocity of electromotor in water, and meet practical needs in developing diving electric pump for corporation
作者在參閱大量國內外有關文獻,著重探討了水泵流量、揚程、軸功率、轉速的測試原理和測試方法,提出了採用電測法並結合電機效率特性曲線測量水泵軸功率,從而避免了損耗分析法中大量復雜的中間過程,滿足了試驗裝置的自動化測量要求;採用漏磁感應線圈法測量電機轉速,彌補了其它轉速測量方法對水下電機測試的局限性,適應了萊恩公司開發潛水電泵的實際需要。The mathematical model of diesel - generator set in the mechano - electronic transient process is proposed in this paper, the pulsation and delay of diesel torque are analyzed, the relation between diesel torque and diesel rotational speed together with injection pump rack bar displacement is described exactly. the motion law of diesel - generator set is revealed all - sidedly and nonlinear problem of diesel - generator set is settled by piecewise linearzation method
本文提出了柴油發電機組機電暫態過程的數學模型,分析了柴油機轉矩的脈動和滯后,準確地描述了柴油機輸出軸扭矩與柴油機轉速和噴油泵齒桿位移之間的關系,全面揭示了柴油發電機組的運動規律,利用分段線性化的方法解決了柴油發電機組的非線性問題。The telemetric monitor measured and logged six physical water quality parameters at short intervals, and then transmitted this data to the epd offices via a phone line the trial revealed a number of problems
河水由站內的水泵抽起流經遙測監測器,每隔一段短時間測量和記錄六項物理水質參數,並透過電話線將數據傳送至環保署總部。The height of the base shall be sufficient so that the centerline of the suction elbow lines up with the centerline of the suction piping and shall include an allowance for grouting between the concrete base and the pump mounting pedestal in accordance with the pump manufacturer ' s recommendations
根據泵製造商的建議,泵基座應該有足夠的高度,使得吸入彎頭的中心線能夠與吸入管道中心線連接起來,混凝土基座與泵安裝基座之間有足夠的空間用於灌漿。Blocks the calling thread until a thread terminates, while continuing to perform standard com and sendmessage pumping
在繼續執行標準的com和sendmessage消息泵處理期間,阻塞調用線程,直到某個線程終止為止。Blocks the calling thread until a thread terminates or the specified time elapses, while continuing to perform standard com and sendmessage pumping
在繼續執行標準的com和sendmessage消息泵處理期間,阻塞調用線程,直到某個線程終止或經過了指定時間為止。On the design of the system, the thickness measure system of mems chip is built based on lbu and pump - probe technology. on the analysis of data, the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound, and the thickness is calculated using the system designed by the article, to aluminum film the size of about 20nm can be measured, when the film be measured is single layer, the relative error of the system is less than 2 %, when the film be measured is double layer, the relative error of the system is less than 10 %
在基礎理論方面研究了激光(特別是超短脈沖激光)超聲的激勵機理,探討了激光調制技術以提高系統信噪比,闡述了泵束探針束技術及相關實驗設置;在系統設計上,以激光超聲為基本原理,以泵束探針束技術為系統設計方案完成了mems基片厚度測量系統的設計;在數據分析方法上,利用聲致光反射率變化的一般規律對測得的光反射率曲線進行分析,確定超聲回波在薄膜兩界面間來回傳播的時間,以計算薄膜的厚度。In the section 1, we have introduced the background and the recent advance of the flattened gaussian beam ; in the section 2, for the first time, we have calculated the type - i and type - ii shg conversion efficiency and simulated curves versus the crystal length, the pumping light polarization rate, the order of the flattened gaussian beam and the pumped power intensity, we obtain ed that the highest efficiency was influenced by the order and the polarization rate of the pumped flattened gaussian beam
從三波耦合方程及clbo晶體的光學特性出發,討論了以平頂高斯光束入射時穩態的三波耦合方程的大信號倍頻解(包括類及類相位匹配的倍頻解) 。計算了其在clbo晶體上的倍頻轉換效率與晶體長度,基波偏振分量比,基波階數及泵浦波強度之間的相互影響關系曲線。得出影響平頂高斯光束的最高轉換效率的因素是基波的階數n和泵浦波的偏振分量比d 。The motion of the two rotors with single - threaded, equal pitch trapezoidal profile was theoretically analyzed to eliminate the tooth interference
摘要本文針對無油螺桿式真空泵中一種常用的單頭等螺距梯形級齒的螺桿轉子型線,研究討論了二轉子級齒間的干涉問題。The paper begins with the discussion of the operating principle and function of the screw inducer, special element of the pump, and then gives the definition and relationship of the parameters and the curve function of the inducer as well, which is of great importance to data analyzing and pump - manufacturing
論文中首先分析了該泵的特殊部件? ?螺旋誘導輪的原理和作用,討論了葉輪參數的定義、參數之間的相互關系和葉片的曲線與曲面方程,這無論對葉輪中的數值分析還是葉輪的設計製造都是十分重要的。Secondly, a new method was proposed to obtain two important coefficients of the ce : knsbn crystal, rreff and neff, by fitting the variation of response time as a function of 2. thirdly, the temporal behavior of the pump beam, signal beam and fanning and the influence of fanning to twm were carefully studied and analyzed under different incident conditions in twm
在不同寫入光強比和寫入總光強下,獲得了ce : knsbn晶體兩波耦合過程中信號光及泵浦光的時間演化曲線,分析了光扇的時間演化和光扇效應對兩波耦合動態過程的影響。139 synchromotors for the south - to - north water transfer and taihu harnessing project has been installed in jiangsu province technically, synchromotors are designed to have a service life of about 20 years while, according to statistics, most of the actual service life can not be as long as 20 years. to make matters worse, some of the synchromotors could only work for about 10 years and for those running a relatively a long time needed overhauling every year
同步電機的正常使用壽命(指線圈)應在20年以上,但據統計,各地大泵站同步電機運行壽命多在20年以下,有的僅10餘年;部分運行時間較長的大型泵站同步電機每年均需大修;有的泵站泵機組起動困難或無法起動。Based on the theory of boundary layer and analysis of the velocity field of main flow, the thesis also derives the vane shape equation. in the equation, ( angle of pump vane ) is variable parameter, ( velocity coefficient ) is introduced as medium factor, which connects the theory of boundary layer with the eular theory. it provides a valuable reference for the designation of vane of pump
基於離心泵葉片邊界層理論和對主流區速度場的分析,給出了離心泵葉片型線參數方程,它以葉片角為變參數,引入速度系數作為中間因子,將邊界層理論和歐拉理論聯系起來,並在離心泵葉輪的設計過程中統一起來,能夠在設計中就根據實際的需要防止或控制過流表面的邊界層的分離。Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane
那麼,僅憑一條預先給定的滿足葉輪出入口條件的曲線去來作為葉輪的型線,它必將忽略了這種除了葉輪出入口之外的中間變化過程,而這種中間變化在某種程度來說又反映出微觀特性? ?邊界層流動特性;速度系數的引入,它使邊界層理論和歐拉理論在泵的葉輪設計過程中得到統一;它使選擇葉片曲線的域圍拓寬;它也為葉輪的優化設計提供了一個很有參考價值的目標函數。分享友人