弧影 的英文怎麼說

中文拼音 [húyǐng]
弧影 英文
lunula
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  • 影 : Ⅰ名詞1 （物體擋住光線后映出的形象） shadow 2 （鏡中、水面等反映出來的物體形象） reflection; image...
  1. Influence of arc furnace on power grid and its countermeasures

    電弧爐對電網的影響及其治理方法
  2. Arc light projector

    弧光投影器
  3. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  4. This paper mainly studies the harmonics impaction caused by eaf

    本文主要研究了電弧爐電氣系統對電網的諧波影響。
  5. A beam of light ( typically ultraviolet light from a mercury arc lamp ) shines through the chromium mask, then passes through a lens that focuses the image onto a photosensitive coating of organic polymer ( called the photoresist ) on the surface of a silicon wafer

    一束光（通常是汞弧燈發出的紫外光）先穿透鉻光罩，然後通過透鏡把影像聚焦在晶圓表面的有機高分子感光塗料（稱為光阻劑） 。
  6. Experimental study on factors affecting degradation of methyl violet wastewater by gas - liquid phase gliding arc discharge

    氣液兩相滑動弧降解甲基紫廢水影響因素的實驗研究
  7. The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera

    本文對某卷弧尾翼彈氣動特性進行了系統研究，主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算，得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼導數、滾轉阻尼導數曲線。
  8. Effect of technological factors on electric insulance of micro - arc oxidated ceramic coat on aluminium

    影響鋁微弧氧化陶瓷層電絕緣性的工藝因素探討
  9. The flying stability of the unguided projectile with wrap around fins could be influenced by the self - induced rolling characteristics and the cross coupling effects of the waf badly. it is necessary to study further on this special aerodynamic problems

    卷弧翼存在自誘導滾轉特性、較嚴重的交叉耦合效應等特殊氣動問題，對于無控的卷弧尾翼彈而言，這很大程度上影響飛行穩定性。
  10. The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc

    研究表明，集氣腔總壓對推力器工作過程具有多方面的影響，在保證電弧穩定的情況下，適當提高集氣腔總壓可同時提高比沖和推進效率。
  11. In this paper, it has been studied by the slope - controlled scr rectifier that external characteristic of welder relate to arc digging action and the strong arc force of arc welding power source in manual arc welding formed

    利用一種特製的變結構可控硅整流焊機，研究不同焊機外特性對電弧穿透力的影響；探討了手工電弧焊強電弧力形成機理；並且指出正確設計電源外特性，是獲得較強電弧穿透力的途徑。
  12. Traditionally, loads of the arc gate are applied on the support or gate frusta as a set of concentrated load, but the effect range of such load on the frusta cannot be solved by material mechanics and structure mechanics. most of the load cases are fulfilled through optic - elastic test

    通常弧門荷載作為一組集中荷載作用於牛腿或閘墩上，而這組荷載對閘墩受力的影響范圍材料力學方法和結構力學方法是不能解決的，受力狀況大部分是通過光彈試驗完成。
  13. It was found that the substrate floating potential changes a lot when the grounded state of arc source changed

    在實驗過程中還發現弧源不同的接地方式對基片臺懸浮電位有很大的影響。
  14. 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。
  15. 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。
  16. Abstract : guiding accuracy of casting mould depends on structure and oscillation parameters, such as elastic deformation of guiding leaf - springs, play of bearings between linkages, stroke and frequency of mould oscillation, etc. in this paper, these factors are studied by means of kinetic and dynamic analysis of oscillating mechanism

    文摘:通過對連鑄機結晶器振動機構的運動學和動力學分析，研究了導向板彈簧的彈性變形、連桿軸承間隙等結構參數及振幅、振動頻率等運動參數對結晶器仿弧誤差的影響。
  17. The stability behavior of kiewitt ' s suspen - dome was analyzed on the initial state. by the geometrical nonlinear finite element method, the equilibrium path is traced using the cylindrical arc length technology and incremental newton - raphson method. the influence of kinds of parameters is studied

    採用非線性有限元理論，結合牛頓荷載增量法和柱面弧長法的跟蹤技術，對kiewitt型弦支穹頂結構進行了考慮幾何非線性的全過程分析；為了掌握各個參數對靜力穩定性的影響程度，進行了參數分析。
  18. Excluding persons affected in food poisoning cases, i. e. figures in the bracket

    扣除食物中毒個案中受影響人數，即括弧內的數字
  19. The algorithm of image processing is the key. due to anomalous welding seam, the intensive arc light, random breaking of the bubble and gathering of the gas in the welding area, the seam images captured contain a lot of noise. in this case the noise must be removed and the welding seam is positioned accurately

    本系統的圖像處理部分採用了ccd攝像頭和視頻捕獲卡，圖像處理的演算法是最關鍵的部分，由於焊縫圖像並不是十分規則，而且在焊接時還會受到強烈弧光、飛濺和工件表面狀況的影響，因此在這種情況下，必須有效的排除干擾把焊縫的中心位置準確找出來。
  20. Especially the base machine require the precision of transmission of the device to expect very much to it, and its control is more difficulty of heavy degree systematically in succession than arc casting, so resulted in the popularity and application of technology in succession of horizontal continous casting getting influence

    尤其是拉坯機對其驅動裝置的傳動精度要求很高，其控制比弧形連鑄系統難度大，致使水平連鑄技術的推廣應用受到影響。
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