間接流量計 的英文怎麼說

中文拼音 [jiānjiēliúliáng]
間接流量計 英文
inferential flow meter
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 間接 : indirect; secondhand
  • 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
  1. It further discusses the operation mechanism of the system of agrotechnical diffusion and indicates that the essence of technical diffusion is information diffusion, and the system depends on the course which information flows from the fountainhead to the receivers. and it analyzed the ingredients which influence the information flowing in the system. intruding shannon ’ s information

    進一步探討了農業技術擴散系統的運行機制,並指出,技術擴散實質是信息的傳播,是建立在信息從信息源到收者之動過程,對技術推廣系統中影響信息動的因素進行分析,引入shannon的信息熵算方法,對信息受者的信息收含進行測度,通過對所得的數值進行比較,運用定與定性分析相結合的方法證明技術推廣活動的效率。
  2. This scheme integrates universual data accesss technology of microsoft, which plays a more and more important role in three - lay c / s ( client / server ) and uses the technology of ado ( active data access ), adopts the asp script language in display the results and uses stored procedure of sql server in databases design. in the system of b / s, client realizes a high efficient access to the server database through displaying diversified active controls in browser and using ado to access the data source. the disposing of data accures under the database not in the font of this system. this kind of scheme cannot only bring the system a higher real time response, but also decrease data runoff of the networks, lower the possibility that web server becomes bottleneck of the system and make the system more transplantable

    當前的web數據庫訪問技術正處于發展階段,針對這種情況,本文通過分析當前各種行的web數據庫訪問方案的優缺點,結合在三層次的c / s系統中扮演越來越重要的角色的中件技術,採用了microsoft公司所提出的一致數據訪問技術,利用ado控制項,結合當前的asp語言,底層數據庫採用了sqlserver7 . 0的存儲過程技術,設了一種自己的web數據庫訪問方案,即在browser / server系統當中,客戶端通過顯示在瀏覽器中的各種activex控制項,通過了ado連數據庫,數據的處理利用了存儲在數據庫內部執行,實現對後端數據庫的高效訪問,並且這種方案在給系統帶來較高的實時響應性能的同時,減少了網路數據,降低了web服務器成為系統瓶頸的可能性,也增強了系統的可移植性。
  3. A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate

    本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中形成一空氣介質腔,在基座和膜片之內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容產生變化,經後置處理電路直轉換為可輸出的直電壓信號。
  4. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用模糊區來描述實際的負荷情況,並用負荷的模糊區算配電網的潮,得到有功功率損耗和電壓的模糊區值,使網損率和節點電壓最大偏移的隸屬函數更近實際情況;將改進遺傳演算法與模糊集理論相結合,通過求解多目標函數和約束條件的模糊集合的交集,得出網損率和節點電壓最大偏移最小的最優運行狀態。
  5. On one hand, it gets to the conclusion that china ’ s foreign direct investment has mutually complementary relationship with foreign trade, based on the statistical analysis on the outflow of foreign direct investment and the volume of international trade, combined with the qualitative analysis on the trade effect to investing country

    一方面,通過對對外直投資與對外貿易進出口額的數據作定的統分析,並輔助相關的母國對外投資的貿易效應分析,得出我國對外直投資與對外貿易之存在互補關系,即對外直投資促進了對外貿易的增加。
  6. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空電壓矢控制策略進行分析,提出了給定參考矢所在區判斷的簡化方法,以及電壓矢作用時的求取方法;分析了電滯環控制策略,推導出開關頻率與滯環帶寬以及整器輸入電感之的關系;應用瞬時功率理論分析pwm整器功率控制原理,通過虛擬磁鏈估有功功率和無功功率,用matlab實現了直功率控制,並驗證了該控制方法的正確性。
  7. With the mathematic model of tracking beam current by velocity, real - time tracking can be obtained ; with current simulation controlling transducer and subsection linearity, precision of velocity ( error in ? 1 % ) is triumphantly can be controlled ; with inspection of the pulse numbers of switches, the position of all vehicles are checked to eliminate the error of calculating distance between all ones

    通過建立速度跟蹤束的數學模型,較好地解決了速度跟蹤束的實時性問題;通過採取用電模擬控制變頻器和分段線性處理的辦法,成功地解決了速度精度問題(誤差在士1 %內) ;通過檢測近開關觸發的脈沖數,適時校核所有小車位置,消除各車之距離算誤差,從而很好地解決了距離累算誤差。
  8. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括: 1在設狀態和工作狀態下,根據mpt的實驗參數,對mpt使用不同工質時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的指導意義; 2對于he 、 ar推進工質,討論微波的頭材料、探針與內導體的隙、內導體的位置、微波的輸入功率、工質的質以及環境真空度對mpt真空啟動和穩定工作的影響,並探討微波的輸入功率、工質的質對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質,主要討論與he 、 ar工質不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主推進工質。
  9. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測原理的研究和在系統中的實現,在本次設中用三種方法來進行水位測,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設;與上位機的通信介面設,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設方面還包括報警電路設、操作鍵盤設、電源監控電路設、電壓基準電路的設
  10. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波,對勵磁涌和內部故障電進行小波分析,並設微機型變壓器保護基本配置,在以往斷角原理鑒別勵磁涌的基礎上,突破傳統精確測勵磁涌斷角的方法,直對信號小波變換后的波形進行分析,建立一個新的鑒別勵磁涌判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  11. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響,用理論分析法來確定它是相當困難的,由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程,而燃燒過程中的實際熱力狀態又可用示功圖來分析,因此藉助於火焰輻射與缸內熱力參數之的這種關系,建立了一種算柴油機缸內火焰輻射傳熱的新模型,利用該模型對一臺直噴柴油機缸內火焰輻射熱隨曲軸轉角的變化情況進行了算,將算結果與實測結果進行了比較,表明該模型能較好預測缸內火焰輻射傳熱
  12. ( 3 ) based on the experiments data, it has been found that if the emitter discharge of sdi was little, the depth of pipe buried should be shallow, and the distance between two micro holes should be chosen to equal or close the distance between two lateral pipes, if the emitter discharge of sdi was great, the pipe may be buried deeper, and the distance between two micro holes could be greater than the distance between two lateral pipes

    根據一維土柱近似的濕潤輪廓線初步選定了工程設參數。在地下滴灌灌水器出較小情況下,埋深應淺,孔距應選擇和毛管距相等或近;出大時,埋深可深,孔距大於毛管距仍可獲得較均勻的土壤水分分佈。
  13. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反應器進行特徵分析的基礎上,建立了描述中試規模多級外循環化床生物反應器動特性的串級全混模型,並對理論模型進行了模擬算分析和討論,在此基礎上,作者分別在無循環和有循環(改變示蹤劑用和循環)的條件下,利用脈沖示蹤法對一到五級串聯外循環化床反應器進行了停留時分佈實驗,結果表明,在循環的比值達到大於等於4時,中試規模多級外循環化床反應器的動特性近串級全混模型,通過數據回歸擬合的方法,建立了中試規模一到五級串聯外循環化床反應器的動模型。
  14. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時上都占據總60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電分斷次數,算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電算主觸頭迴路的電阻;在硬體電路設上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設帶來的特殊問題;在通信模塊的設中,解決了不同工作電壓晶元之的介面問題,並給出了直線方案。
  15. Ln chapter 4, imbalanced counterflow of indirect evaporative cooling is simulated while taking into account the non - linearity of the saturation line of moist air. four diagrams are provided to assist in determination of the optimum heat capacity ratio

    第四章針對蒸發冷卻過程中飽和濕空氣比熱容隨溫度的非線性變化關系,研究了非平衡蒸發冷卻過程(火用)損失及最佳熱容比的算線圖。
  16. The system is perfectly realized through the four counts below : 1 ^ using configuration soft compile the person - computer interface for information management of grain depot content and the application program for data collection. this program will finish real time data collection and conversion and will dynamic come after each bam flash - locks run state and will supervise and record the run instance ^ startup or stop time 2 ^ using visual foxpro workout report table for grain depot content information management system witch carry out database management function. 3 ^ using visual c + + workout communication program between force control configurable soft and aptitude instruments

    本課題從下面四個方面實現系統要求: 1利用組態軟體forcecontrol2 . 0編制了倉容信息管理系統的人機界面和數據採集應用程序,完成設備狀態的實時採集和轉換,動態跟蹤各糧倉閘門的運行狀態,監視並記錄斗提機的運行情況、啟動和停止的時; 2利用visualfoxpro編制了倉容信息管理系統報表記錄應用程序,實現數據庫的管理功能; 3利用visualc + +編制forcecontrol組態軟體與智能儀表以(在線)為例的通訊程序,實現下列兩項功能: ( 1 )收來自在線的數據。
  17. Measurement of fluid flow in closed conduits - methods using transit - time ultrasonic flowmeters

    封閉式管道中液體的測.使用轉-時超聲
  18. 3d linear interpolation method was used to transform displacement and force data between fluid and solid structure meshes in an indirect fluid - solid interaction simulation. by computing an axial - flow compressor blade, results show that 3d linear interpolation method is an effective method and indirect fluid - solid interaction suit for engine blade simulation. software integration is feasible method for coupling

    提出一種對發動機葉片及通道進行氣動、結構的固耦合交替算方法,並採用三維線性插值方法對ansys和fluent中的網格數據進行變換,並對不同材料和不同轉速葉片的模型進行固耦合算,結果表明三維線性插值方法是一種簡單、小、可行的數據交換方法。
  19. Plus the returning water of 126 10 ^ 8m ^ 3, the quantity of water which can supply the ecological system amounts to 428 10 ^ 8m ^ 3, and the actual ecological water demand is 385 10 ^ 8m ^ 3, so the water demand of the ecological system can be satisfied on the whole except the heihe river basin and the shiyanghe river basin

    算表明:其809億立方公尺的徑性水資源中,直留給天然生態的水有302億立方公尺,加上126億立方公尺回歸水的支援,可供生態系統消耗的水資源達428億立方公尺,相對於385億立方公尺的現狀生態需水,除黑河和石羊河域外,生態系統的需水基本上能得到滿足。
  20. The first we will get the message including activity, driver and overhead cost from mrpii the integrating abc system will compute the overhead cost of conduct and process, analyze and control the cost procedure at last. making the mrpii estimation and mrpii application turn - up to be the information resource of abc. it consist the activity cost database design, the analyses, quantification, collection of activity and driver

    系統依據mrpii中記錄的大的生產過程處理信息,統出abc法所需要的作業、動因和成本中心費用等,通過并行abc系統進行產品和成本的算,最後依據管理會的思想對其分析和控制; mrpii系統評估和應用調整,使其成為abc法的信息源。
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