負弧 的英文怎麼說

中文拼音 []
負弧 英文
arc of excess
  • : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. The sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads

    這些內部電涌的根源是每天都會使用的設備,如空氣壓縮機,電焊接機,泵,電梯,開關電源和其他的感應載。
  2. Mjc : the sources of these internal transients are everyday items, such as air compressors, arc welders, pumps, elevators, switching power supplies and other inductive loads

    這些內部電涌的根源是每天都會使用的設備,如空氣壓縮機,電焊接機,泵,電梯,開關電源和其他的感應載。
  3. The vacuum interrupter is the heart of vacuum circuit break, which take charge of controlling the electric arc and breaking current

    真空滅室則是真空斷路器的「心臟」 ,擔著電控制和電流開斷的重要任務。
  4. In order to solve the default of the limited valid scope and discontinuity characteristic, introducing the state continuous conversion gene based on establishment of respective mathematics model for low and magnitude current scope, and integrate with them reasonably then having established the mathematics model of suitable whole scope and having solved present mathematics model existent problems

    本文針對目前電載數學模型存在的適用范圍有限、特性不連續等缺點,在建立了分別適合大、小電流區域運行特性的數學模型的基礎上,引入狀態連續轉換因子,將分別適合大、小電流區域運行特性的數學模型有機結合為一個整體,建立了適合全范圍的數學模型,解決了目前數學模型存在的問題。
  5. Tag line restrict swinging of load

    可限制荷擺動度的牽線。
  6. The key process of the algorithm, called nodes transforming to arcs, is based on the calculation loads of coupling nodes and arcs loads from the loads of switch nodes. getting the area of coupling nodes is the most important process in nodes transforming to arcs. this paper presents a new method , which uses the adjacency matrix of distribution network and the information matrix of

    變結構耗散網路是一種新的配電網自動化演算法,由配電網開關頂點荷求荷和耦合頂點荷的點變換是整個演算法中確定配電網饋線故障區域的基礎,而進行點變換的關鍵就在於分離耦合點區域。
  7. Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration

    本論文基於變結構耗散網路理論,詳細討論了基形變換、形基變換、點變換、點變換、過熱搜尋、荷分配、荷均衡化以及優化恢復非故障停電區域供電等一系列與饋線自動化功能相關的處理演算法。
  8. In order to obtain similar deposition condition, very different bias must be applied to the substrate when the grounding of the arc source is different. at last, carbon films were deposited and their properties were measured

    分析了這種現象產生的原因以及不同接地方式對沉積薄膜的影響,即當源接地狀態不同時,要獲得相似的沉積條件,給基片臺施加的偏壓應有所不同。
  9. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、極性下的閃絡試驗結果,得出極性電金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低極性冰閃電壓;正極性電金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現數量較多的非極性電使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。
  10. Influence of negative pulse on aluminum alloy micro - arc oxidation

    脈沖對鋁合金微氧化的影響
  11. Let be continuous and nonnegative on the closed interval. then the region bounded by the graph of, the - axis, the vertical lines, and is called the trapezoid with curved edge

    設在區間上非、連續,由, ,以及曲線所圍成的圖形稱為曲邊梯形,其中曲線稱為曲邊。
  12. Third, draw a unilateral line from every load node to the sink point. the line ' s capacity is the load value of the node and the cost is zero

    從所有荷節點到匯點各引一條單向容量為節點荷值,費用為零。
  13. The beam then arcs circumferentially back to a negatively charged high energy flux aperture

    然後光束沿著四周成狀折回一個充滿電的主能量通行孔徑。
  14. Summaries are made concerning the typical network optimization problem. the paper independently puts forward several optimal methods to improve network traffic transmission, such as the maximum - flow problem over mpls, including the arc - based and path - based solution, which adopt the method of splitting and unsplitting traffic, the solution to the greatest reliability of transmission, the solution to concurrent maximum - flow for load balance via linear programming. on the basis of mpls path protection several protection methods over mpls are proposed, including n - to - 1, n - to - m protection solution in splitting and unsplitting cases and in diffserv cases, whose partial simulation results are provided as well

    即: 1 ) mpls網路最大流傳輸問題,包括基於的最大流解決方案、基於路徑的最大流解決方案,分流與不分流的最大流處理方法以及多源多匯最大流解決方案; 2 )最大可靠性傳輸問摘要博士論文題: 3 )基於的求解流量載平衡問題的線性規劃方法; 4 )基於路徑的流量載平衡方法以及其他載均衡問題; 5 )在mpls路徑保護的思想和方法的基礎上,提出了基於mpls的若干新的路徑保護方法,即n一t 。
  15. The influences of several factors such as harmonics, intermittent arc grounding, ct, load and fault resistance have been thoroughly analyzed, therefore, it is fundamental work for its application

    深入細致地分析了諧波、間歇電、電流互感器、荷、過渡電阻等多個因素對故障選線結果的影響,為方案的實用化奠定了基礎。
  16. On the other hand, because of the fluctuating load, such as arc furnace and railway traction locomotive, the voltage of the network will frequently fluctuate and lead to voltage flash

    另一方面,現代配電網上用於冶煉的電爐和鐵路牽引機車等波動性荷,會使電網電壓頻繁波動,造成電壓閃變。
  17. Unsteady separated flow, produced during the gate - opening period in the reverse radial gate tunnel of a high - lift shiplock, is characterized by negative pressure and high velocity as well as their intense fluctuations in space and time and could easily result in various harmful phenomena such as cavitation, gate vibration and sonic boom, which have been observed and confirmed by prototype and physical model tests

    高水頭船閘輸水反閥門開啟過程中,后廊道內發生急變分離流,壓、高速水流以及壓力與流速的劇烈時空脈動變化容易誘發空化空蝕、門振和聲震等有害現象已被原型觀測和物理模型試驗研究證實。
  18. First, suppose a source point and a sink point. second, draw a unilateral line from source point to every substation node. the line ' s capacity is set as corresponding substation ' s allowable load value and the line cost is set as the substation ' s unit load cost

    本文通過線性化處理后將網架優化模型描述為一個最小費用最大流問題,虛擬一個源點和一個匯點,從源點到各變電站節點各引一條單向容量為變電站允許的荷值,費用為變電站單位荷的費用。
  19. The load experiments on using the hoist for the plate sluice gates to lift the arch sluice gate

    卷揚式平面閘門啟閉機啟閉表孔門的荷試驗
  20. Apecial capacitor for lighting metal halide lamp features and uses the capacitor has advantages of low dissipation, high insulation resistance, good self - healing character, and steady electricity perfomance, anti - striking current, strong over - carrying capacity, etc

    此裝置為一個供電軟線組,能探測流過內部導線的漏電流和飛,並按預設的漏電流大小斷開電路,減少載端由於泄漏電流形成火災的可能性。
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