流量探測器 的英文怎麼說
中文拼音 [liúliángtàncèqì]
流量探測器
英文
flow probe- 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
- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 流量 : rate of flow; flow; runoff; discharge; throughput; (flow) rate; quantity (of flow); flux
- 探測器 : finder; detector; seeker; sounder; probe
- 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
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So anew type of measurement and instrumentation is badly needed and developed which is suitable for non - centralized and stationary measurement based on this idea, this study take the new type of oilavater two - phase flow measurement and instrumentation development as the basic goal, cany out some theoretic exploration of measurement in order to improve oil / water two - phase flow well logging method and technique, and try to accomplish bom holdup and total flow rate measurement with one equipment simultaneously so as to push forward development of oilavater two - phase flow well logging
本文正是基於這一思想,以開發新的油水兩相流測試儀器為目標,進行先期的測量理論探索,試圖從原理上改進油水兩相流測井方法和工藝,實現利用同種電學敏感原理同時完成持率和總流量的測量,推動油水兩相流測井技術的發展。The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop
在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。The button electrode bpm experiments and calibrations have been done on the experimental facilities. the results of the experiment show that the button electrode has an accuracy of 0. 5mm with a resolution of 0. 13mm
在模擬束流平臺上對鈕扣電極進行束位置測量的實驗標定,並根據實驗結果對鈕扣電極束位置探測器裝置進行改進和優化。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。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了測量,獲得了大量的可靠的實驗數據。We fabricated the gan - - based msm photodetectors successful1 y using the 1 if t - - off technics ( 4 ) the spectrum respone, dark current, current - - voltage ui1der i 11uminatiofl of our gan - - based msm photodetectors were measured and stud ied
用剝離工藝成功地制備了gan材料的msm光電探測器。 ( 4 )測量並研究了msm光探測器的光譜響應,暗電流,光照?特性等。In this thesis we have analyzed some kinds of single photon detector and their advantage and disadvantage firstly. then, the key apparatus ( ingaas - apd ) and its characteristics have been studied. we have tested the apds of perkinelmer, oki and photon company, and got some useful parameters
其次,主要對量子通信用單光子探測器的核心器件? ? ingaas雪崩光電二極體( ingaas - apd )的暗電流特性、光電流、溫度特性、雪崩特性等進行了研究,同時把飛通公司、 oki公司、 perkinelmer公司的apd進行了比較,分別得出了它們的特性參數,為研製實用的紅外單光子探測器提供了重要的依據。An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field
檢流計,電流計一種儀器,用以探測、測量和測定微小電流方向,採用線圈在磁場中產生的機械效果的方法In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings
本課題設計的是一種懸掛式超聲波車流多信息檢測器,通過懸掛于路面上方的超聲波探頭向路面周期性地發射脈沖信號,利用地面回波來判斷遮擋物地存在,可用於檢測行駛中的機動車車速、車高、車長、大中小分型以及累計車流量、車隊長度等信息,並可用於多個車道車流信息的同時檢測,綜合這些測量參數可獲得車流量的必要數據,可為公路建設提供必要的基礎依據。The bpm system that widely used in linear induction accelerator ( lia ) is beam bugs and b - dot
在直線感應加速器中,廣泛使用的束位置測量裝置( bpm )有壁電流探測器(電阻環)和磁探針( b - dot ) 。Non - destructive testing ; magnetic leakage flux testing by scanning with probes ; principles
無損檢驗.第1部分:用探測器掃描法檢驗磁性泄漏流量的After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened
為了使探測器的性能得到進一步的提高,我們對其進行了電子輻照改性,並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應,並對其響應時間,后沿下降時間,半高寬( fwhm ) ,載流子壽命,靈敏度進行對比,研究,結果顯示經電子輻照后的探測器的性能得到了改善,使響應速度,分辯率進一步提高,並消除了探測器輸出信號后沿的非線性,雖靈敏度有所降低,反而使其測量范圍得以拓寬。Leakage current is one of key factors for the energy resolution of the detectors, the mis detector has lower leakage current thus improve the energy resolution. the mis structure is a good contact type for the cdse detectors
可見漏電流是影響探測器能量解析度的重要因素,具有mis接觸電極的探測器能有效地減小漏電流,提高能量解析度,因而是cdse探測器的一種較佳電極接觸方式。Isobaric identification with gf - tof method is based on the different time of flight caused by the different energy loss. the resolution of gf - tof is mainly affected by two factors. first, the rises time of current pulse from start and stop detector
Gf - tof方法對同量異位素的分辨取決于e的不同而產生的時間不同,時間分辨僅來源於定時探測器電流脈沖上升時間的快慢和離子在氣體介質中的能量離散。Belt scales, weigh ( coal ) feeder, coal sampling system, belt scale fast - loading system, fuel monitor management system, impact flow meters, microwave flow detectors, level controls, conveyor safety equipment, tramp metal detectors, coal and iron ore moisture analyzers
簡介:電子皮帶秤、稱重給料/煤機、自動取樣設備、皮帶秤快速裝車系統、燃料監測信息管理系統、沖板流量計、微波流量探測器、料位儀、輸送機安全保護裝置及金屬探測器、煤炭/礦石水份分析儀等。The energy calibration is more accuracy and almost constant with the injected energy of proton. however, the energy calibration in e1 detector has a slight decrease with increasing the energy of protons. the reasons are attributed to the non - uniformity in thickness and disturbing from surrounding r, b ray and secondary particles
對氧離子的能量刻度採用的是l八2 . 75的擋別,在能量范圍o一50mev有很好的線性關系,刻度出的每道能量h是1 . 1mev /道,然而當束流能量達到80mev /道時,在e ,探測器中h值與前面能量點的數據符合較好,但在e :探測器中沉積能量高於50mev時,電子學系統進入飽和狀態。In the design of optical system, to improve system precision, the fiber optic coupler is added to make a laser pulse circle ; in the unit of photo detection, we make a high - precision temperature compensation apd bias circuit, which allows system to abate the noise caused by temperature changer and dark current
應變測量系統主要由光源、傳感光纖、光電探測器和信號處理電路組成。在光學系統設計中為提高系統的精度採用了光纖定向耦合器實現光脈沖的循環;在光電轉換單元上採用高精度溫度補償的apd偏置電路,減小了溫度和暗電流帶來的噪聲干擾。In order to overcome the three main limitations of the conventional gaas / algaas qwips, small photocurrent, high dark current and hence high noise, and low response speed, the novel mechanism of qwips that photocurrent increases step by step with the well number ' s increasing was proposed by professor shen
針對常規gaas algaas量子阱紅外探測器存在的光電流小、暗電流大、響應速度低等問題,沈光地教授提出了新型光電流逐級增強gaas algaas量子阱紅外探測機制。Thermometers of model tc400 measure temperatures, display measured values and hand over control signals as well as analogue output signals to processes
Tc400型溫度探測器可以測量溫度顯示測量值移交控制信號和輸出模擬信號至生產流程。分享友人