流量測量機構 的英文怎麼說

中文拼音 [liúliángcèliángjīgòu]
流量測量機構 英文
flow-metering mechanism
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 機 : machineengine
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 流量 : rate of flow; flow; runoff; discharge; throughput; （flow） rate; quantity （of flow）; flux
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  • 機構 : 1 [機械工程] （機械的內部構造或一個單元） mechanism 2 （機關; 團體） organ; organization; institu...
  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. The button electrode is one that widely used in high energy rf accelerators, such as storage ring, and the bpm made of button electrodes has many merits like high accuracy, high resolution, resisting magnetic field, simple machinery, without magnetic core and low cost, etc. so we want to use the button electrode as the bpm in high current accelerators like the lia

    鈕扣電極束位置探測器是一種廣泛應用於射頻加速器儲存環等高能弱流加速器的一種束位置測量裝置，它具有測量精度高、解析度高、不受磁場干擾、機械結構簡單、無磁芯、造價低廉等特點。只是，至今未見有關這種束位置探測器在強流加速器（如，直線感應加速器）上應用的報導，如能將鈕扣電極束位置探測器應用於lia ，將是一件很有意義的事情。
  3. The coriolis mass flowmeter ( cmf ) is widely used in industries, because it has many advantages - high measurement accuracy, being able to measure fluid mass flow directly and measure various parameters of fluid, etc. originally analog signal processing methods are used for cmf, but some companies and institutes devote themselves to digital signal processing methods because they have many advantages over analog methods

    科里奧利質量流量計由於其精度高、測量流體范圍廣、可做多參數測量等優點，在工業上獲得了廣泛的運用。原來的科氏流量計的信號處理主要是採用模擬電路，由於模擬信號處理系統存在很多缺點，越來越多的公司和研究機構都投入大量的人力物力來研究數字信號處理方法和系統。
  4. The flow - measuring system adopts the khafagi flume as the first sense organ to realize the flow / head signal conversion. the head signal is picked up and converted into voltage signal by the buoy - level mechanism and the magnet - resistant angle measuring sensor

    該流量測量系統採用卡發基水槽作為一次敏感器件實現了流量水位的信號轉換，並通過浮子?杠桿測量機構和磁阻式角度傳感器對水位信號進行拾取並轉化為電壓信號輸出。
  5. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。
  6. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  7. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  8. This paper gives a comprehensive presentation about the fundamental of the flow - measuring method by flume, the design of khafagi flume and the buoy - level mechanism, the signal conversion by the angle measuring sensor and the deduce of the flow equation. it also introduces the hardware design, the development and emulation on software of the intelligent measuring meter in detail. the error of flow measurement is analyzed and calculated in the end either

    本文對槽式流量測量的基本原理、卡發基槽和浮桿測量機構的設計、角度傳感器的信號轉換以及流量計算公式的推導做了全面的闡述；詳細介紹了智能儀表應用系統的硬體電路設計和應用軟體的開發及模擬調試；最後對測量系統的各項誤差進行了分析和計算。
  9. Article 18 water resources protection agencies for major river basins determined as such by the state shall be responsible for monitoring the water environment quality conditions of such river basins within the boundaries of the provinces where they are located and shall, without delay, report the monitoring findings to the environmental protection department under the state council and the water conservancy administration department under the state council ; where there are leading bodies for protection of water resources of the river basins that are set up with the approval of the state council, such findings shall, without delay, be reported to those leading bodies

    第十八條國家確定的重要江河流域的水資源保護工作機構，負責監測其所在流域的省界水體的水環境質量狀況，並將監測結果及時報國務院環境保護部門和國務院水利管理部門；有經國務院批準成立的流域水資源保護領導機構的，應當將監測結果及時報告流域水資源保護領導機構。
  10. By the way, a displaying system and a communicating system is added. this dissertation is divided into four chapters altogether : chapter one is the introduction, introducing the hore component and its important characteristic and putting forward the basic task ; chapter two introduce the principle of the auto - tracking system and respective parts of the auto - tracking system ; chapter three introduce the applications of auto - tracking system under static condition and dynamic condition and give out the experiment results ; chapter four introduced the displaying system, communicating system and the applicability of the auto - tracking system to other sensors

    本文共分為五章：第一章緒論中，介紹了霍爾元件及其一些重要特性，並提出了測量系統的基本方案；第二章詳細介紹了測量系統各部分的構成及原理，特別是對直流通道、溫度補償模塊和音圈電機為核心的隨動機構的論述；第三章介紹了實際系統在靜態測量和動態測量兩種模式下的應用及實驗結果；第四章介紹了系統的顯示功能和遠程通信功能並討論了系統對其它傳感器的適用性。
  11. 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，課題期間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：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，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計及程序編制任務；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的連接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間基準，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模擬信號電流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，本設計中完成了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，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  12. Whole scheme of frame design of test - bed is proposed as : the host fanner supply the firebox the once and twice air required by diesel oil ' s burning and the cooling air ; the export parameter of the test - bed is varied by the adjust of the flux of air and diesel oil. and the air flux is varied by adjusting the rev of the fanner adjusted by transducer and the corner of the fan inlet adjusted by step motor. the quantity of oil is varied by adjusting the oil valve adjusted by step motor ; the measurement of the air flux in the test - bed adopts the method of fanner dynamics performance test in the nation criterion

    確立了實驗臺結構設計方案：主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量；利用變頻器調節主風機轉速、用步進電機調節風門開度來調節風量，用步進電機調節回油閥開度來調節供油量，從而實現對模擬實驗臺出口煙氣熱流量的調節；實驗臺的流量測量採用風機動力性能測試標準中測流量方法等。
  13. Whole scheme of frame design of testing flat is proposed as : the host fanner supply the air required by flamer ’ s burning and cooling, the export parameter of the flat varies by different rotate speed of the fanner 、 angle of the fan inlet and the quantity of oil, the measurement of flow in the testing flat adopts the method of fanner dynamics performance test in the nation criterion

    確立了實驗臺結構設計方案：主風機為燃燒器提供燃燒所需的一次、二次進風量及冷卻風量；模擬實驗臺出口煙氣熱流量是通過調節風機的轉速、風門開度及燃油量來改變；實驗臺的流量測量採用風機動力性能測試標準中流量方法等。
  14. The key factors to make the slide is controlled to make the model be similar in geometry, material and fabric with the antetype, then simulate the infection of river, digging of road and so on, measure the data of the distortion of model, analyze the reason of the distortion and factors of the slide

    試驗抓住造成滑坡的主要因素，根據所得的巖石力學參數及結構面參數，在幾何條件、模型材料、結構面條件等方面都基本滿足相似原理的情況下，對模型進行了河流下切、公路開挖等條件的模擬，測量觀察邊坡的卸荷回彈與層面的彎曲變形情況，利用所側數據分析論證滑坡的形成機制和影響因素。
  15. Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )

    由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響，投藥絮凝過程是一個非常復雜的反應過程，為實現投藥系統的自動化和降低混凝劑耗率，國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究，主要有流動電流儀檢測法（ scd ） 、現場模擬實驗法、數學模型、顯示絮凝控製法（ fcd法）等自動投藥方式的研究和實驗。
  16. At first, the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief. then, the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision. at last, the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing

    文章首先簡要地分析了激光自身漂移、大氣湍流等影響激光準直精度的主要因素，然後對系統的激光準直方案進行論證，並確定了無衍射光束的生成方案、高精度自動安平系統的結構方案，最後以ccd為接收器件，通過計算機圖像處理，完成對軌道直線性的測量。
  17. There are several important issues to that attention should be paid in the design of test bed, such as the measurement of the temperature difference between the inlet and outlet of test section and the temperature of cooling water in the inlet and outlet of condensing tubes, filled volume of the steam boiler and its level control, the determination of the natural acting head of high temperature tank and design of the cooling water flow of measuring tank

    試驗臺由高溫工質自然循環子系統、冷卻水機械循環子系統和計算機監測控制子系統構成，試驗段進出口溫差及冷凝管進出口溫度的測試、蒸汽鍋爐充注量及液位控制、高溫水箱自然作用水頭的設計、冷卻水流量計量水箱的設計等是試驗臺設計中值得重視的問題。
  18. The whole design of on - line monitoring system is built in this subject, which system is based on data stream status, running characters, the requirements for in - situ monitor, communication technology and database knowledge. this system used graphic programming language labview for software developing tool and the production of rockwell for hardware

    根據高溫風機監測系統數據流量狀況、機組運行特點及現場監測要求，結合網路通訊技術和數據庫知識，以圖形化設計語言labview為開發平臺，以美國羅克韋爾自動化公司的硬體模塊為基礎，構建了在線監測系統的總體設計方案。
  19. Linux is a well known os of its open source code and better security. after the deep analysis of network and traffic control mechanism in linux kernel, we finally design and implement a prototype of vpn gateway based on diffserv under linux using unified modeling language ( uml ) from object - oriented perspective. at last, we construct an actual test environment, and the test results indicate that our prototype can not only implement the main functions of ipsec family, but also support the qos of vpn based on the application with good functions of shape and bandwidth traffic control

    Linux是一個基於開放源碼的操作系統，也是目前認為比較安全的操作系統，本文最後在對linux內核中的網路和流量控制機制進行深入分析和研究的基礎上，從面向對象的角度，運用標準建模語言uml ，設計和實現了一個基於區分服務的vpn網關原型，並且構建了一個實際的實驗和測試環境，對系統進行了測試，測試結果表明：原型系統在實現ipsec協議族主要功能的基礎上能夠給予用戶基於應用的qos保證，具有較好的流量整形和帶寬控制功能。
  20. The system uses a new replaceable chip and has realized the chip separated from the flow injection pool. and according to the new chip, the system is designed to employ a new flow injection pool which has a compact structure. in addition, the new system strengthens the function of the control software and puts automatic data - treating into practice

    改進后的系統採用激勵光源正面照射的方式，增強了光電流的響應；同時系統採用新型的可替換式laps晶元設計，實現了多個laps晶元共用一個流通測量池；系統還針對新的晶元設計了流通測量池，該測量池結構緊湊合理，真正實現流通檢測；另外系統還增強了主機控製程序的功能，實現了實驗數據自動化處理，並優化了系統參數設置。
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