弧絡 的英文怎麼說

中文拼音 [húlào]
弧絡 英文
arc over
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  • 絡 : 絡構詞成分。
  1. The gearing machine tool of the model y3150e is modified and a new milling head is designed to cut the envelope tooth of the pinion using allelomorph method. a assembled drawing of clamp for cutting the tooth shape of circle - arc gear is also presented

    對y3150e型滾齒機進行改造，設計出一新型的銑削頭，利用對偶法加工小齒輪的圓弧包絡線齒形；同時也給出了加工大齒輪圓弧齒形的夾具裝配圖。
  2. Application of enveloping curve of circular arcs in design of roots rotor profile

    圓弧包絡線在羅茨轉子型線設計中的應用
  3. With the new - simple method, the equation of circle - arc - enveloping curve are deduced. also the relationship between the arc radius, the radius of center distribution and the distance of centers is given to avoid undercutting

    文中採用新方法推導出了圓弧包絡線轉子型線方程，還給出了避免出現根切現象的圓弧半徑、圓弧圓心分佈圓半徑以及中心距三者之間的關系。
  4. Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice

    空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變，間隙上承受了非常高的電壓，這使得冰凌尖端的電場變得相當強，一旦電場達到了電暈的起始電場，局部放電就在這一區域發生，進而產生局部電弧並逐漸發展成整串的閃絡，泄漏電流迅速增大，同時伴隨著冰的融化。
  5. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  6. To overcome the disadvantage of tatsuno combined pumps and to improve the characteristics of the pumps, a new kind of pump with the fixed transmission ratio is proposed, the teeth of which are circle - arc and its envelope

    針對tatsuno雙圓弧組合泵存在的不足，提出了該泵中的一對齒輪副採用定傳動比的圓弧及其包絡線齒輪副的方案，以改善泵的性能。
  7. Although the flux per revolution of the optimized pumps is a little smaller than that of tatsuno combined pumps, other characteristics, such as fluctuation rate, maximum pressure angle and velocity fluctuation rate etc, are much better. the methods to cut gears are proposed in the theory for the practical produce in the future

    雖然，在體積相等的條件下，優化出來的外圓弧包絡線內嚙合齒輪泵的排量略小於tatsuno組合泵的排量，但其它性能（如：流量脈動率、最大壓力角、速度波動量）都更優。
  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，得出負極性電弧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；正極性電弧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弧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. 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阻抗行為表明氨絡合物體系鎳電沉積過程是二次放電過程，中頻感抗弧是由於中間吸附產物nioh _ （ ads ）的弛豫現象引起，低頻容抗弧可能是由於吸附氫原子對鎳結晶的阻滯作用引起，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。
  10. The wind rates of roots blower with these various kinds of three - lobe circular arc rotor are calculated and comparison between their performances is carried out. it is found that three - lobe rotor with external - internal circular arc and cycloid can produce the largest air volume. comparing the air pulsation produced by cylinder rotor and helix rotor, and proof that the structure of helix rotor can reduce the noise of roots blower

    本文給出了羅茨鼓風機三種不同的圓弧轉子型線的參數方程（外圓弧及其包絡線型、內圓弧及其包絡線型、和內外圓弧加擺線型） ，還給出了這三種轉子的徑距比（ r _ a a ）的極值，並進行比較，得到：內外圓弧加擺線線型是最優線型這一結論；為降低羅茨風機的噪聲，將傳統的直葉轉子改成扭葉轉子。
  11. Field circuit breaker failure causing too low arcing voltage followed by blast of ionised air in + es cubicle and flashover at the left extremity of ac bus bars

    導致弧壓過低的磁場斷路器故障是引發+ es櫃空氣電離和交流母排左側末端處發生閃絡的原因。
  12. This phenomenon indicates that there is closed relationship between the development of local arc, the flashover of the insulators and the discharge activity initiated at the icicle tips

    這說明，覆冰絕緣子的起始放電和局部電弧的發展乃至整串的閃絡與發生在冰柱尖端的起始放電活動有非常密切的關系。
  13. The parameters of inner meshed gear pump with external circle - arc and its envelope teeth are optimized by the method of the genetics algorithms

    利用遺傳演算法對外圓弧及其包絡線內嚙合齒輪泵的參數進行優化。
  14. Arc - over voltage

    弧絡電
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