tube of current 中文意思是什麼

tube of current 解釋
電流管
  • tube : n 1 管，筒；顏料管。2 管狀地下隧道；〈口語〉（倫敦的）地下鐵道。3 【炮】炮身；【汽鍋】鍋管；【解...
  • of : OF ＝Old French 古法語。
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. The secondary backscattered electron current is used to modulate the intensity of an electron beam in a cathode ray tube(crt).

    二次電子或背散射電子的電流被用來調制陰極射線管（CRT）中電子束的強度。
  2. This article introduces briefly the process of design and characteristic of structure of db930 tube and discusses the main problems of technology and technique which was met during the manufacture and the measures having been adopted are emphatically. it discusses the solve measures in following six aspects : the filament current is too large, carbon deposits during the carbonizing of cathode, the capacitance between the first grid and the second grid is too large, transpiring happens inside the tube, the insulation resistance between the electrodes is too lower when the filament is on and the ability of bearing high voltage is too lower

    本文簡略地介紹了db930的設計過程及其結構特點，重點論述了在試制過程中遇到的主要工藝技術問題及解決問題的措施，圍繞解決燈絲電流大、陰極碳化時積碳、一柵和二柵之間的電容大、管內蒸散、熱態時極間絕緣低、耐高壓的能力差等六個方面的問題進行了論述。
  3. The flume experiment with single spur dike is carried out. water surface profile and velocity field of flow in flume are measured by manometer tube and propeller current meter respectively

    首先進行了單丁壩水槽實驗，採用測壓管和旋漿流速儀對實驗水槽中水流的水位以及流速場進行了詳細的測量。
  4. The construction of the bridge began in oct 1999, and the closing up of the steel tube was in dec 2000. during that period, i learned and analyzed the current construction methods fairly comprehensively, and collected the construction technique data of the cfst arch bridges having been built. based on this, aided by the simulation of construction procedure using finite element program, i proposed the operation program to make the steel tube segment be located at one time, and the scheme of dividing rooms to segment pouring

    大橋於99年10月開工， 2000年12月主橋鋼管合龍，在此期間，本人就目前鋼管混凝土拱橋的施工方法進行了較全面的了解和分析，搜集了此類已建橋梁的施工技術資料，在此基礎上，又藉助有限元程序對施工過程模擬計算的支持，提出了在梅溪河大橋懸臂安裝過程中，鋼管節段一次就位的操作程序和鋼管混凝土分倉灌築的方案，並為施工單位采納應用。
  5. Current research of the technique of ga diffusion and the negative resistance effect of open - tube ga - diffusion transistor are emphasized

    重點介紹了目前開管ga擴散工藝的發展現狀和開管擴鐮晶體管負阻效應的研究現狀。
  6. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期，由於b在硅中的固溶度、擴散系數與n型發射區的磷相匹配， sio _ 2對其又有良好的掩蔽作用，早被選為npn硅平面器件的理想基區擴散源，但b在硅中的固溶度大（ 1000時達到5 10 ~ （ 20 ） ，擴散系數小， b在硅中的雜質分佈不易形成pn結中雜質的線性緩變分佈，導致器件不能滿足高反壓的要求，隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝，前者會引起較大的基區偏差，雜質在硅內存在突變區域，導致放大系數分散嚴重，下降時間t _ f值較高，熱穩定性差；後者需要難度較大的真空封管技術，工藝重復性差，報廢率高，在擴散質量、生產效率諸方面均不能令人滿意。
  7. Application of high - voltage explosion fuses is very abroad. in addition to protecting the electrical equipment by melting itself, disjunction or close of its tube can also be manipulated by a high - voltage insulative stick under some circumstance, for example, to switch on or off no - load overhead transmission line, no - load transformer and little burden current

    跌落式高壓熔斷器的應用極為廣泛，不僅能保護電氣裝置，在一定條件下還能直接用高壓絕緣鉤棒來操作熔管的分合，以斷開和接通空載的架空線路、小容量空載變壓器和小負荷電流。
  8. Intelligent counter digital frequency rotating speed line velocity display control transmit instruments are all adopt used advanced microprocessor for smart control. input is pulsed quantity or contect switch quantity signal, after cpu operation processing, count, rotating speed or line velocity will be clearly intuitional indicated by high brightness led numeral tube, at the same time, these signals can be changed into standard voltage current signal to transmit output. and have the functions of super - limited alarm, standard serial communication function

    簡易后備操作器接收從dcs系統或pid調節器給定的模擬量信號，正常控制時，操作器輸入輸出相當于直通的，以實現dcs系統或pid調節器對執行機構的自動控制，當前級dcs系統或pid調節器發生故障時，操作器接收到故障狀態信號，即轉為手動控制狀態，由按鍵控制操作信號的輸出，當故障解除，儀表自動恢復自動狀態。
  9. Are all adopt used advanced microprocessor for smart control. input is pulsed quantity or contect switch quantity signal, after cpu operation processing, count, rotating speed or line velocity will be clearly intuitional indicated by high brightness led numeral tube, at the same time, these signals can be changed into standard voltage current signal to transmit output. and have the functions of super - limited alarm, standard serial communication function

    接收從dcs系統或pid調節器給定的模擬量信號，正常控制時，操作器輸入輸出相當于直通的，以實現dcs系統或pid調節器對執行機構的自動控制，當前級dcs系統或pid調節器發生故障時，操作器接收到故障狀態信號，即轉為手動控制狀態，由按鍵控制操作信號的輸出，當故障解除，儀表自動恢復自動狀態。
  10. The secondary backscattered electron current is used to modulate the intensity of an electron beam in a cathode ray tube ( crt )

    二次電子或背散射電子的電流被用來調制陰極射線管（ crt ）中電子束的強度。
  11. Through the control of the voltage and current of hv power supply added to the x - ray tube, the excited spectra of different intensity and shape is produced, therefore being suitable for all kinds of research and analysis with convenience and flexibility

    通過對x光管的高壓電源的電壓和電流的控制，產生不同強度和形狀的激發譜，靈活、方便地適用於各式各樣研究與分析工作的需要。
  12. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  13. Abstract : current situation of domestic seamless steel tube industry is detailed, covering such aspects as production, marketing, mill plants and product category. based on a comparison of domestic situation to those in developed countries in terms of mill plant and production capacity and on the performances of the imported pipes, current problems of domestic seamless steel tube industry are analyzed, and accordingly countermoves like changing market ideas, technological creation and optimizing product mix, etc

    文摘:從產銷、機組和品種方面詳細介紹了我國無縫鋼管的生產現狀；對比發達國家的機組與生產能力以及我國進口管的情況，分析了我國無縫鋼管生產存在的問題，提出了更新市場觀念、搞技術創新、優化產品結構等對策。
  14. Concrete filled steel tube ( cfst ) arch bridge is a new type of bridge which is widely applied in china recently, and it is a relatively ideal structural form for long span arch bridge. with the background of the practice of liantuo bridge, in the view of point of feasible in technology and reasonable in economy, the key techniques and difficulties in the construction of cfst arch bridge are analyzed and discussed in the thesis. the disadvantages in the current design and construction and the improvement method are also indicated

    本文以蓮沱特大橋工程實踐為背景，以主拱施工研究為主線，對鋼管混凝土拱橋重難點施工工藝，從技術上可行、經濟上合理的角度出發，詳細的進行了分析闡述，並指出了設計施工中存在的不足和今後需改進的方向；通過對鋼管混凝土拱橋施工過程中內力的計算，確定了拱肋施工最不利荷載工況下加載重量、壓重順序和張拉臨時預應力束等一系列施工措施，並將計算結果與現場監測觀測數據進行了比較分析，為今後進一步研究這類結構提供了參考。
  15. Companies with advanced production lines and improve the management system, high - level professional and technical personnel on - site operation and guidance, the production of pp - r products through national quality inspection qualified, entered the market, the recognition by the great majority of consumers, the company has been formed, production 6, 000 tons pipe and tube production scale, the current company employees more than 200 people, including management staff of more than 20, overall responsibility for the company ' s production, quality, sales and service, companies are products system, products 36 series, 315 varieties, transmission system pipe tube, and so on, there are various control systems, such as valves

    公司具有先進的生產線及完善的管理體系，高水平專業技術人員進行現場操作及指導，所生產的pp - r產品經過國家質量檢測合格，進入市場以來，受到廣大消費者的認可，公司已形成年產6000噸管材、管件的生產規模，目前公司員工200多人，其中管理人員20多名，全面負責公司的生產、質檢、銷售、服務工作，公司現產品體系完善，產品36個系列， 315個品種，輸送系統有管材管件等，控制系統有各種閥門等。
  16. Four groups of eight types of connection methods are suggested to be able to use for the joint of cold - formed rectangular tube - steel column and h - shaped beam by investigating the current research on the beam - to - column connection methods used at home and abroad, at the same time, a new type of connection is proposed in this article

    本文在對國內外冷彎矩形鋼管與焊接箱形鋼管節點型式研究的基礎上總結出四類八種適合於冷彎矩形鋼管柱與h型鋼梁連接的節點型式，並提出一種新型節點連接型式，分別給出了相關的設計規定和使用條件。
  17. For example, when using pid control method of controlling the electrical current of the discharge, with the discharge tube exposed to the outside with very good thermal dispersion conditions, unrestrained thermal expansion back - pack style he - ne laser tube gave good results

    採用控制激光器的放電電流的pid控制模式，在放電管外露，散熱條件好；熱變形不受約束的背包式he - ne激光管上取得了很好的效果。
  18. Gas discharge tube s varieties and standards are very complete. it is characteristic of feature b current resistance, small capacitance, rapid response, discharge voltage stabilization, and has no light sensation effect and does not contain any radioactive material. it is optimal lightning strike over - voltage protection devices

    其中陶瓷氣體放電管品種規格全，產品耐流強，電容小，響應時間快，放電電壓穩定無光敏效應，及不含任何放射性物質。
  19. The tube with helium can work long time and steadily under pulses, with the voltage of 2200v, the peak value of current can exceed 100a

    氦氣放電管在脈沖工作狀態下可以長期穩定放電， 2200v時，峰值放電電流可超過100a 。
  20. It is said that at formerly whenever the fresh breeze blew vigorously, infusing to go into through the copper tube, the current of air that return makes the metal reed flap, the chicken of gold will send out then oh oh oh of call, express the ability intelligent wisdom and ability of the work clever artisan in the ancient times

    據說，在從前每當疾風勁吹，通過銅管灌入，迴旋的氣流使金屬簧片振蕩，金雞便會發出「喔喔喔」的鳴叫，表現了古代能工巧匠的聰明才智。後由于天長日久，灰塵積塞，金雞才不鳴了。
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