維弧 的英文怎麼說

中文拼音 [wéihú]
維弧 英文
pilot arc
  • 維 : Ⅰ動詞1 （連接） tie up; hold together; link 2 （保持; 保全） maintain; safeguard; preserve; keep ...
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  1. The paper also does some deep research on the mesh characteristic of the mechanism, analyses the cause o f the cam profile error and index error during working, using object - oriented method, vc + + and pro / toolkit, performs second development to pro / engineer, completes entity proplasm of the cam mechanism using only few parameters, the press angle calculate module, error analysis module and curvature calculate module are built on the basis of it

    然後通過對弧面分度凸輪加工中產生廓面誤差及工作時產生分度誤差原因的分析，建立了計算加工和分度誤差的數學模型。應用vc + +和pro toolkit對pro engineer進行二次開發，建立了弧面分度凸輪機構的參數化設計和三維造型及壓力角、誘導主曲率等運動特性和誤差分析軟體系統。
  2. The 3d model of indexing cam with visual lisp

    實現弧面分度凸輪的三維實體造型
  3. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  4. As an air breaker with the minimal size in the world, the masterpact mt n type of breaker can meet requirements of various operating condition. it produces no flashover. it is free of maintenance and is fully intelligent. the breaking capability of masterpact mt n breaker upgraded is increased from 42ka to 50ka

    作為世界上體積最小的空氣斷路器， masterpactmtn型斷路器能滿足各種使用環境的要求、具有零飛弧、免維修、完全智能化等特點，而升級之後的masterpactmtn斷路器的分斷能力更是由42ka提升到50ka 。
  5. The strategy on repair and reinforcement on steel crane girder structures in service based on fatigue dynamic reliability is analyzed in the paper. considering the benefits of repair and the long - term economic affection after repair and reinforcement, using the fatigue dynamic reliability as constraint condition, thinking of that the sum of benefits of repair and reinforcement as object function, the optimization model is put forward. then it is used to an certain crane arc ends repair an reinforcement

    5 、基於疲勞動態可靠性，對在役鋼結構吊車梁的維修加固策略進行了探討，考慮維修加固效益和維修加固后的經濟影響，提出了以疲勞動態可靠性為約束，以維修加固總效益為目標函數的優化決策模式，並通過某鋼廠圓弧端吊車梁的維修加固實例驗證，可為工業建築吊車梁的設計，管理和維護提供依據。
  6. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability ， insulation coordination ， electromagnetic interference ， but assault safety 。 in china ， the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network ， low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai ， beijing ， and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas ， such as zhuhai ， substations grounding with low resistance revealed some problems ， including power supply reliability rapidly dropping ， transmitting line often tripping ； and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析，比較各方式的特點，然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型，在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下，對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算，其計算結果與電科院所作現場試驗進行了比較。
  7. The finite element model is built for the axial magnetic field of the cup vacuum interrupter contacts without iron core and with two kinds of iron core. the calculation and analysis of the three - dimension axial magnetic field distribution characteristic on the axial magnetic field of cup the vacuum interrupter with iron core are carried out for the first time

    對無鐵芯及兩種鐵芯結構的杯狀縱磁真空滅弧室觸頭建立了有限元模型，首次對有鐵芯的杯狀縱磁真空滅弧室進行了三維縱向磁場分佈特性的計算與分析。
  8. Avoid squatting and kneeling during work. use long - handle mops or brooms to clean the floor so as to avoid having to bend the trunk and strain the spine

    掃地抹地時，應盡量利用長柄工具，避免身驅俯前，以便維持腰背的正確弧度。
  9. Use long - handle mops or brooms to clean the floor so as to avoid having to bend the trunk and strain the spine. slightly bend the knees and tuck in your tummy before picking up heavy loads

    掃地、抹地時，應盡量利用長柄工具，避免身驅俯前，以便維持腰背的正確弧度。
  10. It supposed that the circle of sliding surface run through the foot of slide. the factor of safety is transmitted to the function of x coordinate of the intersection point of the tangent at the scrap of the circle and x axis. so, the two - dimension area of searching is changed to one - dimension

    該方法先固定潛在滑動圓弧的上、下邊界點，利用滑弧后緣處的切線與x坐標軸交點的位置確定了滑弧的曲率，將二維搜索麵域簡化為一維搜索線域，搜索的上、下限有嚴格的界定，不存在漏點問題。
  11. The paper summarized the research progress on the typical symptom, etiology, pathology, detective technology, the prevention and treatment of vibriosis caused by more than 10 vibrio strains such as vibrio anguillarum, v. alginolyticus, v. harveyi and v. splendidus

    摘要綜述了由鰻弧菌、溶藻弧菌、哈維氏弧菌、燦爛弧菌等弧菌引起的海水養殖魚類弧菌病的典型癥狀、病原學、病理、檢測技術以及防治等方面的研究進展。
  12. A new approach to parametric design is presented, which is child - graph based, and which design a 2d sketch in sequence. in this approach, the sketch is designed with simple elements such as points, segments, circles or child - graphs which is combination of above simple elements ; geometric elements is designed in sequence can implement the function of unwell defined ( less - constrain ) parametric design. 2dand 3d constrains is treated consistently

    設計並實現了該特徵表示模型的數據結構。該特徵表示模型是系統各種演算法的基礎。不同於常見的用底層圖元（點、線、弧）進行設計的二維全約束求解方法，提出並實現了一種基於子圖的序列化草圖設計方法。
  13. Three dimensional finite element analysis of radial steel gate

    弧形鋼閘門三維有限元分析
  14. Analysis of static magnetic field of an iron style bipolar axial magnetic field vacuum interrupter by 3d finite element method

    鐵芯式兩極縱磁真空滅弧室三維靜磁場有限元分析
  15. The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no

    本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性，利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。
  16. Secondly, to counter contour curve for large sole of rubber overshoes, the way of linear circle arc spline of two dimensions curve fitting has been raised in this paper and autocad has meanwhile been applied in cad / cam integeration system of rubber overshoes mould, and also a whole set of software and hardware technique developed, and the selecting way for optimizing tool path worked out. this way may make nc machining free running minimun

    其次，針對膠鞋大底的輪廓曲線，對圓弧樣條進行了深入研究，提出了二維曲線擬合的線性化圓弧樣條方法；同時將autocad應用於膠鞋模具cad / cam一體化系統中，成功地開發了一整套相應的軟硬體應用技術，提出了刀具軌跡優化的動態選擇法，以便使nc加工的空行程相對極小化。
  17. He compared the writing in the bracket with the writing of the certificate placed beneath morrel s petition, and discovered that the note in the bracket was the some writing as the certificate - that is to say, was in villefort s handwriting

    他把括弧下的筆跡同莫雷爾的請願書底下簽署的筆跡比較了一下，發現這兩種筆跡是出自同一個人的手，也就是說，是出於維爾福的手筆。
  18. Cerium tungsten electrodes have easy arc starting performance and low are keeping current. it is especially used to weld pipes, stainless steel articles and fine miniparts

    鈰鎢電極在低電流條件下有著優良的起弧性能，維弧電流較小，因此，它常常用於管道、不銹鋼製品和細小精緻部件的焊接。
  19. Allen ' s floater in the lane put the celtics ahead 92 - 89 with 2 : 03 left in regulation, but the cavaliers tied it with 59 seconds to go on pavlovic ' s 3 - pointer

    在常規時間還剩下2分零3秒的時刻，雷?阿倫在弧頂處投進3分球，使得凱爾特人隊以92 ： 89領先，但是在比賽還剩下59秒的時候，帕甫洛維奇的3分命中，使得兩隊戰成92平。
  20. Investigation of disproportionation behaviour of lani5 xmx in hydriding process at high temperature

    等離子弧焊維弧行為研究
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