瞬變條件 的英文怎麼說

中文拼音 [shùnbiàntiáojiàn]
瞬變條件 英文
transient condition
  • 瞬 : Ⅰ名詞（眼珠一動; 一眨眼） wink; twinkling Ⅱ動詞（眨眼） wink
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 件 : Ⅰ量詞（用於個體事物） piece; article; item Ⅱ名詞1. （指可以一一計算的事物） 2. （文件） letter; correspondence; paper; document
  • 條件 : 1. （客觀的因素） condition; term; factor 2. （提出的要求） requirement; prerequisite; qualification
  1. Aiming at single quotation method difficult to meet the fast request for the automobile covering mould quotation of market at present, a new method on the base of the fuzzily similar compares is proposed in this paper

    市場經濟條件下的定價，是企業競爭的主要手段之一。隨著計劃經濟向市場經濟的轉變，原有計劃經濟體制下的產品估價、報價模式已遠不能適應瞬息萬變的市場情況。
  2. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  3. Different power circuits and control strategy of the single phase inverter in parallel condition are first analyzed, and half - bridge inverter is selected as the power circuit and current hysteresis control is selected as the control strategy

    本文首先對單相逆變器的主電路結構和控制電路的結構在並聯條件下進行了比較分析，最後選用了半橋結構的主電路和內環為滯環控制的瞬時電壓電流雙閉環反饋控制方式。
  4. Heavy duty engines - measurement of gaseous emissions from raw exhaust gas and of particulate emissions using partial flow dilution systems under transient test conditions

    重型機車.未處理排氣的氣體排放測量和瞬變試驗條件下用部分流體稀釋系統測量粒子排放
  5. Based on the investigation with several voltage control methods, such as venturini method, instantaneous double - voltage synthesis method and space vector modulation method ( svm ), three new control strategies are put forward. firstly, a time - varying modulation coefficient svm method is proposed to improve mc ' s anti - disturbance performance under the asymmetry input voltage. secondly, a 5 - state switching strategy is presented for mc controlled by the svm method, which reduces the commutation number and switching losses remarkably

    在分析了venturini控製法、瞬時雙電壓法、空間矢量法等電壓控制方法的基礎上，提出了在非對稱輸入條件下矩陣變換器空間矢量法的時變調制比改進控制策略，提高了變換器的抗干擾性能；對空間矢量法的開關策略進行了研究，提出了新型5狀態開關策略，在保證其他性能不受影響的條件下，減少了變換器的換流次數和開關損耗；提出了一種矩陣變換器單電壓合成的新方法，它不僅使得變換器的控制簡單，計算量減少，而且使得開關損耗達到最少。
  6. In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis

    本論文研究了具有非相干泵浦的開放v型系統頻率上轉換無粒子數反轉激光，利用密度矩陣運動方程，通過理論分析和數值計算，得出該系統產生無粒子數反轉激光的條件，討論系統各參數的變化和驅動場與探測場的失諧對激光增益、色散和粒子數差的影響，還討論了頻率上轉換區域的非線性效應，分析了增益的穩定性及系統的瞬態演化過程。
  7. The major research areas of a ship against non - contact underwater explosion include four sectors, namely, ( 1 ) the characteristics of fluid field disturbed by an underwater explosion ( loadings of underwater explosion ) ; ( 2 ) the analysis of transient fluid - structure interactions, and the corresponding dynamic responses of the ship ; ( 3 ) safety assessment of the ship structure undertaking the elastic - plastic dynamic responses ; and ( 4 ) determination of the shock environment imposed on the shipboard equipments, and evaluation of shock protection design

    即非接觸水下爆炸的流場特徵（水下爆炸載荷） 、瞬態流場與結構相互作用所決定的艦船動響應分析方法、以彈塑性動變形響應分析為依據的艦船結構水下爆炸安全性評估與防護技術、以船體結構動響應為輸入條件的船用設備沖擊環境的確定方法及相應的設備抗沖擊設計分析方法。
  8. When the change of radiation environment has instantaneous change, the photosynthetic rate ca n ' t reach the rate that it should be in the changed situation. that is called the photoperiodic induction. usually the time of the photoperiodic induction is from 3 minute to 8 minute

    當葉片所處光環境的光強和光質發生瞬時變化后葉片光合速率通常都要經過3 8分鐘適應才能達到變化條件下應有的光合速率值。
  9. Transient temperature field comes from changes of boundary conditions and the heat which is produced by the concrete chemical reactions with the water during the mass concrete pouring

    由於混凝土澆灌時產生的水化熱和澆築過程中熱邊界條件變化而產生瞬態溫度場，這種溫度場對結構施加時變溫度載荷。
  10. But unlike most couriers, aid donors operate amid chaos, with rapidly changing constraints ( surges of people, outbreaks of disease, attacks by warlords )

    不過，同大多數快遞公司不同的是，援助人員是在混亂之中行動，受到瞬息萬變的條件限制（人潮的蜂擁、疾病的爆發、軍閥的襲擊） 。
  11. The difference formulation and boundary condition have been gained by the method of characteristics and the hydraulic transient basic formulation

    從壓力管道水力瞬變基本方程出發，利用特徵線法求解了壓力管道水力瞬變的差分方程及邊界條件。
  12. Valve adjustment is a indispensably sector for pump system running, and it will bring transient flow to the system under some conditions

    閥調節是泵系統運行過程中不可缺少的環節，在一定條件下，調節會使系統發生瞬變流動。
  13. 2. tow different types of power loading condition were applied on chips respectively. the transient thermal analysis was conducted to determine temperatures vary over time

    2 .以兩種不同功率加載方式進行自然對流換熱條件下的封裝瞬態熱分析，得出封裝體溫度隨時間的變化規律。
  14. In this paper an fault simulator for iddt testing is presented, which can detect concurrently the multi - faults. due to the subtle error among equipment manufacturing, the gate delays of circuits are not the same but range within limits. which induces the uncertainty of the waveform transforming time

    本文從故障激活的條件入手，利用五值邏輯，對瞬態電流測試中的延時變化進行波形分析和波形計算，採用並發模擬演算法，編程實現了一個iddt測試的故障模擬器。實際電路中由於製造工藝的限制，邏輯門的延時並不相同，而是在一定范圍內變化，引起波形變化的時間不確定。
  15. As china ’ s reform and opening policy progresses, the competition among construction enterprises is increasingly violent in the developing market economy

    隨著世界經濟的一體化，市場環境瞬息萬變，經營條件日益復雜，施工企業面臨著來自國內外的競爭壓力。
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