short arc 中文意思是什麼

short arc 解釋
低振幅
  • short : n 蕭特〈姓氏〉。adj 1 短的;短暫的。 (opp long)。2 矮的;低的 (opp tall)。3 短期的。4 簡短的...
  • arc : A. R. C. = American Red Cross 美國紅十字會。n. 1. 弧;弓形,拱(洞)。2. 電弧,弧光。
  1. High pressure xenon short arc lamps

    高壓短弧氙燈
  2. Analyze and compare pid and vague, single neuron etc. control strategy, and combine with single neuron self adaptive gain, self adaptive right value and preventive integral saturation etc. control strategy. have improved single neuron control algorithm, may restrain efficiently to disturb, reduce broken arc and short circuit etc. phenomenon, make systematic control effect and robustness get to strengthen, also have certain application reference value for the design of the dc arc furnace

    通過對pid 、模糊、單神經元等控制策略的分析比較,將單神經元增益與權值的自適應調節、抗積分飽和等控制策略相結合,改進了單神經元控制器演算法,可以有效抑制擾動,減少斷弧、短路等現象的發生,使系統的控制效果和魯棒性都得到增強,對電弧爐控制系統的設計也具有一定的應用參考價值。
  3. Xenon short - arc lamp

    短弧氙燈
  4. Gmaw short - arc tack welds shall not be incorporated into the root pass

    熔化極氣體保護焊-短弧點焊焊縫不能與根部焊道合成一體。
  5. Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead

    通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定
  6. In order to solve need badly three - ring type gear reducer ( problems of high vibration, high temperature and short spin arm bearing life in operation, by means of power separation flow, elastic ring equilibrating load, tardy down and assimilation vibration of synchronous belt transmission, and mechanism balance principle, the author designs a new type three - ring type gear reducer with arc tooth synchronous belt transmission, the gear reducer is fully balancing, equilibrating load and reducing vibration and phase difference 180 ( of mass eccentricity

    為解決一般三環減速器振動大、溫升高和轉臂軸承使用壽命短等生產中迫切需要解決的問題,依據功率分流、彈性環均載、同步帶緩沖及吸振和機構平衡原理,設計出了一種具有圓弧齒同步帶傳動的完全平衡、均載減振,偏心相位差為180的新型三環減速器。
  7. Randomicity amp; stability of short - circuiting droplet transfer in arc welding process

    弧焊短路過渡過程的隨機性與穩定性
  8. If the geometric hermite data is from a smooth function with the arc - length parametric, the cubic ph approximates the smooth function, the error in the approximation of a short segment of length h is found

    如果此三次ph曲線插值于以弧長為參數的某一函數曲線,則可以給出三次ph曲線逼近該一小段曲線的逼近誤差。
  9. The gmaw short - arc process shall not be used for welding socket welds or the root pass of o - lets and branch connections

    熔化極氣體保護焊-短弧工藝不適用於承插焊接或出口和分支連接的根部焊道。
  10. Due to two work states - - - arc burning and short current - - - existed in welding process of consumable electrode welding, and different control objectives in these two states, two close - loop feedbacks are designed in the control system : welding voltage feedback and welding current change rate feedback

    根據熔化極co2焊機具有燃弧和短路兩種工作狀態,且兩種狀態下控制目標不同的特點,在控制系統中設計了雙閉環反饋:焊接電壓反饋及焊接電流變化率di / dt反饋。
  11. The paper describes the feature of double circular arc spiral bevel gears, basing on such gears manufacture theory, the paper depicts how to form the double circular arc spiral bevel gear tooth profile, at the same time, depicts its meshing theory and derives its tooth profile equation. basing on fsh short tooth, the paper derives the tooth depth equation, describes its manufacture technology, makes out this tooth propile single side method regulation calculation card

    本文從弧齒錐齒輪加工原理出發,闡述了雙圓弧弧齒錐齒輪副點嚙合齒面的形成原理,同時還論述了雙圓弧弧齒錐齒輪基本嚙合原理,推導出了具有普遍形式的齒面方程,同時以fsh短齒形為藍本還推導出了雙圓弧弧齒錐齒輪齒厚計算公式,闡述了雙圓弧弧齒錐齒輪的製造工藝,編制了雙圓弧弧齒錐齒輪單邊切削法機床調整計算卡。
  12. Abstract : owing to the defects in high cost and short life of the copper contact shoes on electric arc furnace, it was redesigned and replaced with graphite contact shoes. by using it to a 6. 3mva electric arc furnace, result shows that the operating life is longer and the furnace hot ? down time is decreased obviously. operating cost reduced greately

    文摘:針對電爐銅頭電瓦成本高、壽命短的缺陷,對其重新設計改造,以石墨導電瓦代替銅頭導電瓦,並應用在6 . 3mva電爐上,結果其使用壽命長,爐子熱停次數顯著減少,生產成本大幅度降低。
  13. In short, the analysis of arc - tip fracture shows that : the initiation of void - mode fracture can be judged by vgc criterion, or by j ". according to sx criterion ; fracture direction of void - mode fracture can be determined by ctod and peak value line of stress triaxiality. the mesomechanics mechanism of shear - mode fracture need further study, and analysis found direction of plastic belt is consistent with the direction of shear - mode fracture

    綜上所述,本文通過對圓弧尖端裂紋的分析表明:對于韌窩型斷裂的起裂,可以依據-復合型斷裂的sx準則按照i ~ 1來預測起裂載荷,也可用v _ ( gc )判據來預測起裂載荷,二者結果相近;對于韌窩型斷裂的斷裂角,用ctod矢量方向和三軸度脊線方向判斷均和試驗結果基本。
  14. A shielding gas is employed and the transfer mode is not " short - arc "

    採用保護性氣體和非短弧的過渡方式。
  15. Short arc reduction method

    短弧歸演演算法
  16. High pressure xenon short arc lamps ; dimensional, electrical and photometric data and cap types

    高壓氙短弧燈的尺寸電和光的數據及帽型
  17. This short - arc coupled with the low pendulum effect achieved by pivoting the disc through a point near its center of gravity assures rapid closure

    繞軸旋轉的閥瓣的重力中心距軸心較短,因此這種短弧的鐘擺效應也比較小,從而確保能夠迅速關閉。
  18. And the reflectance in the short wavelength range is lower than that of a double layer arc, which is beneficial for improving the solar cell efficiency. ( 2 ) reflectance characteristics and morphology, the etching solutions

    可以和具有tio _ 2 - mgf _ 2雙層減反射膜的常規堿腐蝕的結果相比擬,且在能量較高的短波范圍內具有更好的減反射特性。
  19. Associated tightly with the stokes measured in small capacity current breaking and short - circuit breaking test duty t100a ( short arc, middle arc and long arc ), the electric field distributions 3 ms after current zero have been calculated. the cold gas flow field corresponding with small capacity current breaking is calculated. based on the results derived from one - dimensioned gas flow field simulation, the two - dimensioned gas flow fields corresponding with short - circuit breaking test duty t100a ( short arc and middle arc ) are calculated as well

    本文採用與試驗緊密結合的方法,在給定機械行程曲線的基礎上對三峽工程中採用的550kvsf6斷路器在開斷小電容電流、短路開斷方式5短、中、長燃弧電流過零后3ms內滅弧室二維靜電場分佈進行了分析計算;對該斷路器開斷小電容電流時近似的冷態場進行了二維模擬分析計算;在對短路開斷方式5短、中、長燃弧一維氣流場進行分析計算的基礎上進一步採用一維氣流場和二維氣流場相結合的方法,對該斷路器開斷方式5短燃弧和中燃弧對應的二維熱態場進行了分析計算。
  20. When one circle of angle observing data is available, a new kind of method, diagram approach, is presented when only short - arc angle measurements is available, the genetic algorithm ( ga ) is used for orbit determination

    當具有半四以上觀測弧段時,提出了一種圖解法確定衛星軌道;當觀測弧段較短時,採用遺傳演算法確定衛星軌遭。
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