電道系數 的英文怎麼說

中文拼音 [diàndàoxìshǔ]
電道系數 英文
specific conductance
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station

    而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析，提出了「虛擬分支」的概念和相應的網路基元模型，並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。
  2. Using ansys as analysis tool, and the influence of river water fluctuating on geoelectric observation data in different distance from riverway to geoelectric monitoring observe station is numerically simulated, and the relationship between error of observation data and distance from riverway to the stations is summarized

    摘要利用ansys作為分析平臺數值模擬了觀測系統距河道不同距離情況下，由河水漲落引起的淺層局部電性非均勻性對地電觀測數據的影響，總結了觀測系統距河道遠近與觀測數據誤差大小的關系。
  3. It has the good qualities of both tem horn antenna and dipole antenna, less dimensions construction, good direction and higher efficiency. its impedance and radiation are analyzed. good agreements are obtained from experiment and calculation

    這種平面喇叭天線採用了新型的平衡饋電方式，結構簡單，性能良好，同時結合了tem喇叭和振子天線的優點，結構維數低，具有較強的方向性、較高的效率，在uwbsar軌道系統實驗中取得了比較理想的結果。
  4. When the electric interlocking apparatus at station do not work, we can exactly and promptly obtain, the states of switch in route, display in notebook computer by white strip light plainly, and thus increase the safety coefficient enormously and train working efficiency

    系統自成體系，當車站電氣集中設備停用后，使用該系統能夠及時、準確地反映進路上的道岔狀態，並將所排進路以白光帶的形式直觀地在筆記本電腦上顯示出來，大大提高了非正常情況下接發列車作業的安全系數和作業效率。
  5. Taking bench shooting of the shuibuya yihongbao project as example, it makes use of the digital television system of drilling overall - hole wall to actually measure, the testing result of lateral fractural range is 4 - 5m, and that of bottom fractural range is about 3m

    本文試驗工作是以水布埡溢洪道工程梯段爆破為實例，採用鉆孔全孔壁數字電視系統對混裝乳化炸藥爆破破裂范圍進行了實際測試，測試結果為：側向破裂范圍為4 5m ，底部破裂范圍值為3m 。
  6. Numerical simulation method on drag characteristic of air amp; amp; flue gas ducts ' irregular parts in power plants

    電廠煙風道異型件阻力系數的數值計算方法
  7. The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details

    本項優化試驗研究的目的主要在於，通過泄洪系統整體水力學試驗，校核泄洪洞的泄流能力；通過發電引水系統整體水力學試驗，研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況；確定快速閘門井內水位波動幅度；試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。
  8. High - temp molanstone heat - insulation brick is made with domestic newest energy - effcient fire - proof material by using advaned technologies introduced from abroad. it has the strengths of heat - resistance, high intensity, low heat - conduction coefficient and remarkable energy - saving effects. it can be used in petrolum partition kiln, metallurgical hot stove, ceramic kiln, tunnel kiln, and as linings of many electric stoves. it can also used on fire directly. according to the testing of relevant authorities, this product has reached standards of products from foreign competitors

    高溫莫來石質絕熱磚是我國引進的新技術，國內最新型的節能耐火材料，具有耐高溫、強度高導熱系數小，節能效果顯著等特點，適用於石油裂介爐、冶金熱風爐、陶瓷輥道窯、隧道窯、電瓷抽屜窯、玻璃坩堝窯及各種電爐的內襯，可直接接觸火焰、經有關技術監督部門檢測及使用，產品達到國外同類產品的技術指標。
  9. The underwater - radio buoy for use as obtaining the ocean " s acoustical parameters is a underwater acoustic signals record system which has long distance radio remote control and data transmit function. the technology key of the dissertation study is that under the requirements of the system the monitor and record equipment on the acoustic source vessel, the monitor and record equipment on control vessel command and control the work slate of the buoy system by radio data transmitting mode of short wave transmitter - receiver

    海洋環境參數獲取浮標監測系統屬于具有長距離無線電遙控?數傳功能的水下聲信號接收記錄系統，本論文研究目標的技術關鍵在於根據系統要求，指揮船和發射船監控記錄設備通過短波電臺以無線數傳方式，對浮標系統的工作狀態進行指揮和控制，浮標則通過同一短波通道向指揮船上報浮標方位、工作狀態、關鍵數據及非常狀態下的報警信號等。
  10. By quantitative calculation and analysis, this article will discuss the application in power plant of a new kind pipe - double sides micro - finned heat transfer enhancing tube, which is widely used in research due to its high heat transfer coefficient

    雙側微肋強化換熱管是一種新型換熱管，由於其高換熱系數得到廣泛研究與應用，但對于換熱面較多的熱電廠來說應用還未見有報道。
  11. The interconnection and interoperability of field electronic systems for combined group army. intertace for synchronus 16 kb s digital channel

    合成集團軍野戰電子系統互連互通.同步16kb s數字通道介面
  12. Aiming at the demand for the wireless data transmission using the public mobile network and the need of the wireless meter reading system, the gprs ( general package radio system ) wireless data transmission terminal used as the wireless channel for data transmission was designed and applied to the wireless meter reading system

    本文針對目前利用公網進行數據通信的需要，以及無線抄表系統的需求，設計了該gprs無線數據傳輸終端，用作無線數據傳輸的通道，並最終實現了該gprs無線數據傳輸終端在無線抄表（電表）系統中的應用。
  13. A hydrogen and argon ions mixing beam was implanted into the deposited vanadium oxide film. after annealing, vo2 film with tcr ( temperature coefficient of resistance ) as high as 4 % was obtained. the bombardment of ar + could break v - o bond of v2o5 molecule in deposited film and implanted h + resulting in the deoxidization of v2o5, so the vo2 thin film could be prepared by proper control of the dose of ar + / h + implantation

    利用離子束增強沉積設備，在ar ~ +離子束對v _ 2o _ 5靶濺射沉積的同時，用氬、氫混合束對沉積膜作高劑量的離子束轟擊，使得被氬離子轟擊后斷鍵的氧化釩分子，再被注入氫降價，然後經適當的退火，成功地制備了熱電阻溫度系數高達4的vo _ 2薄膜（國外報道值為2 - 3 ） ，並研製了單元懸空結構探測器和8 1 ， 16 1線性陣列。
  14. Then one remote supervision system based on virtual instrument technology is studied and realized. the system can measure parameters such as signal level, carrier frequency and snr of remote channel, and can estimate the state of remote channel based on this parameters, and can display the time - domain and frequency - domain wave real time of remote channel, too

    針對目前遠動監控方案的不足，研究並實現了基於虛擬儀器技術的電力遠動通道監控系統，該系統可以對遠動收發信電平、載波頻率和信噪比三個通道參數進行測量，具有實時時域波形和功率譜波形顯示功能，並能根據通道參數對通道狀態進行綜合判斷。
  15. First, the indispensable parameters and the function specifications which need testing are given in the paper on the basis of the function specifications that are regulated in every kind of locomotive electric apparatus in repairing period issued by railway ministry. the arrangement method and testing operation mode of the testing system are introduced and the function demands of the control software are provided, too

    根據鐵道部頒發的各型電力機車段修規程，分析並給出了機車電器測試系統需要測試的電器參數及其性能指標；然後提出了被測試電器的安裝方法與測試操作方式，以及控制軟體的功能要求。
  16. In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on

    本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題，在此基礎上，從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性，並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋；本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案，即由用戶終端、集中器和電能管理系統所組成的網路系統，其中，用戶終端到配變集中器用低壓電力線作為通道，中間無需其他硬體中繼設備，集中器到電能管理系統用公用電話網作為通道。
  17. Solar array simulator is programmed in labview to simulate the running condition of satellite ( such as sun angle, shadow time, orbit and so on ). electronic load is programmed in labview to simulate the running condition of satellite load. by data collecting and processing, satellite power engineers can monitor and evaluate working condition of satellite power system

    該測試評估系統應用labview軟體對太陽能電池陣列模擬器進行編程，模擬太陽能電池在空間各種狀態下（軌道、光照角、進出陰影等）的情況；對電子負載進行編程，模擬衛星負載的各種變化（平均負載、短期負載和脈沖負載）情況，信號採集和數據處理單元在測試評估系統運行過程中記錄電源系統各組成部分的工作參數，據此對衛星電源系統進行測試和評估。
  18. The principle of how to supply energy for system has also been studied. secondly, the orbiting satellites are affected by several perturbations. we put the main emphasis on the influence of the perturbations of the atmosphere drag and the earth ’ s eccentricity on the six orbital factors and the simulation ’ s accuracy

    其次，衛星在軌運行時將受到各種干擾力的影響，因此在研究精確地磁場模型電動力纜繩離軌系統的動力學特性的基礎上，著重研究了大氣阻力攝動和地球非球形攝動對衛星離軌過程中各軌道參數的影響。
  19. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    本文對基於電動力纜繩的航天器離軌過程進行了深入研究，具體工作如下:首先，本文研究了電動力纜繩產生電動力拉力的基本原理，建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下，對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下，對受電動力纜繩作用的航天器的離軌過程進行模擬，分析了在不同精度地磁場模型下，航天器離軌過程中各軌道參數的變化情況，並比較了不同模型對離軌時間的影響。
  20. In this condition heat convection inside and outside of tube are coupled. coefficient of convective heat transfer inside and outside of tube gotten through such way compare with coefficient of convective heat transfer inside and outside of tube gotten through by electricity. for comparability between this two condition, the average heat flux on the tube must be equal for this two condition

    這種情況下管內外對流換熱是藕合的，得到的管內外對流換熱系數分別與電加熱管道壁面的邊界條件下管內和管外流動的對流換熱系數相對比，為了使他們具有可比性，我們規定在這兩種邊界條件下通過管子的平均熱流密度相等。
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