弧阻 的英文怎麼說

中文拼音 []
弧阻 英文
arc resistance
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  1. Analysis of the discharge process in electrothermal light gas gun

    電熱輕氣炮電計算及其彈道分析
  2. 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(稱為光劑) 。
  3. 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、力系數、俯仰力矩系數、俯仰尼導數、滾轉尼導數曲線。
  4. Electric arc furnace ( efa ) system is a complex plant, which exits serious non - linearity, time changing, strong couple. the constant impedance control method, which base on classical control theory has been used widely

    爐系統是一個具有較強非線性、時變性和強耦合的被控對象,目前普遍採用的是基於經典控制理論的恆抗控制方式。
  5. 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、中性點電取值大小、接地點接地電值變化等多種影響因素的情況下,對中性點經消線圈接地和經小電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。
  6. It has certain fight impact, endure electric arc and good endure leakage of electricity, it is mainly apply to make insulation structural of low voltage of electrical equipment as well as daily use utensil accessory etc. product appearance submits granular

    通過燃性能認證。具有一定的抗沖擊性耐電性和良好的耐漏電性,適用於製造低壓電器絕緣結構件以及日用器皿配件等。產品形狀呈粒狀。
  7. Railway rolling stock. art and resistance welded joints of steels. part 1 : acceptance criteria for defects in welded butt and corner joints

    鐵路車輛.鋼的電和電焊接接頭.第1部分:對接焊點和角焊接點中缺陷的驗收準則
  8. 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、負極性下的閃絡試驗結果,得出負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負極性冰閃電壓;正極性電金屬陽極側產生高電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。
  9. These measures include installation of lightning lines, decrease of the tower grounding resistance as far as possible, the reasonable use of arc suppressing coils and adoption of arresters

    處理方法包括加裝避雷線、盡量減低線路桿塔接地電值、消線圈的合理使用和採用線路型避雷器。
  10. The crust of carrying parts adopts flame - resistant engineering plastic which has excellent electric property and high safety coefficient. all contacts adopt noble metal, so it has no arc and has long life. and the carrying parts adopt high - conductance excellent copper and high - flexibility material

    本產品面板採用高級防彈膠,載流零件殼體採用燃工程塑料,電性能優越,安全率數高,觸頭全部採用貴金屬觸點,不起,壽命長,載流零件選用高導率的優良銅材和高彈性材料,產品性能得以充分保證
  11. Avoid drawing any current from the wiper of a potentiometer. the resistance of the wiper contact will cause problems ( local heating, noise offsets etc

    避免從電位器的刷處提取電流。刷的接觸抗會產生問題(局部溫升,噪聲偏移等等) 。
  12. Analysis of low - energy arc discharge of d. c. resistive intrinsically safe circuits

    直流電性本質安全電路低能電放電分析
  13. The electrochemical impedance spectroscopy of nickel electrodeposition indicates that nickel electrodeposition occurs in two steps, the medium frequency inductive loop is ascribed to the relaxation of the electrode coverage by an adsorbed intermediate such as niohads, the low frequency capacitive loop may be due to the inhibition of nickel electrodeposition by adsorbed hydrogen. the mechanism and equivalent circuit of nickel electrodeposition were proposed on the basis of the analysis of electrochemical impedance spectroscopy

    不銹鋼電極上電積鎳的電化學抗行為表明氨絡合物體系鎳電沉積過程是二次放電過程,中頻感抗是由於中間吸附產物nioh _ ( ads )的弛豫現象引起,低頻容抗可能是由於吸附氫原子對鎳結晶的滯作用引起,依據實驗結果提出了氨絡合物體系鎳電沉積的反應機理和等效電路模型。
  14. Series of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800

    系列高壓熱電偶及套管,熱電偶採用彈簧壓著式,保護套管和法蘭選用特殊合金材料鍛造,套管採用棒料整體鉆孔加工而成,與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬焊接,耐壓30mpa ,使用溫度0800 ,可長期使用在加氫裂化裝置裂解裝置,氣化爐等高壓設備中。
  15. Selecting principle analysis of damping resistance for multitap arc - suppression coil

    調匝式消線圈尼電的選取原則分析
  16. Inhibit the excessive breeding of harmful algae : water purification - enzyme secretion, inhibit excessive breeding of harmful algae in the water, block nutrient sources of the vibrion, inhibit its growth, and maintain stability of the water body

    抑制有害藻類的過度繁殖:凈水寶分泌酵素,抑制池水中有害藻類的過量繁殖,可菌的養分來源,抑制其生長,保持水體穩定。
  17. 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、負荷、過渡電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。
  18. In mode selection of middle and large capacity units nowadays, there mainly have two types of peterson coil grounding and distribution transformer with resistor

    在現有大中型發電機中性點接地選擇上,主要有消線圈接地方式和接地變高接地方式。
  19. The tap - changer is made with solid state relay as its working mechanism and controlled by microprocessor. this switch has totally cancelled the mechanical drive organization, by the microprocessor according to the voltage of second side microprocessor decide the working condition of solid state rely, high regulation speed, need not transition resistor, rush current is low. operating frequently ; there is no electric arc to produce, can put in the fuel tank of the voltage transformer directly ; the structure is simple, the fabrication cost is low, benefit and use widely among the voltages transformer of distribution

    其中的有載調壓分接開關,它是一種完全由固態繼電器作為分接開關執行機構,由單片機控制的有載自動調壓的變壓器分接開關。該開關完全取消了機械傳動機構,由單片機根據變壓器二次側電壓的高低,決定與變壓器各分接頭聯接的固態繼電器的工作狀態。調節速度快,改變分接頭時不需過渡電,沖擊電流小,可頻繁操作;無電產生,可以直接放在變壓器油箱中;結構簡單,造價低,便於在配電變壓器中推廣使用。
  20. It is a very high advancement to the development from two - pressure arc - quenching chamber and single - pressure arc - quenching chamber to the self - energy arc - quenching chamber now for arc - quenching theory of sf6 cb make use of the arc blocking effect, namely arc - self - energy, to increase sf6 gas pressure in the arc - quenching chamber and get the efficient blasting effect to extinguish the arc when the arc current is zero

    Sf _ 6斷路器從雙壓式、單壓式發展到如今的自能式是斷路器滅原理的一個重大飛躍。自能式sf _ 6斷路器利用電弧阻塞效應即利用電本身的能量使滅室內sf _ 6氣體的壓力升高,在電過零時產生有效的氣吹而熄滅電
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