穩態波動壓力 的英文怎麼說

中文拼音 [wěntàidòng]
穩態波動壓力 英文
steady surge pre ure
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 壓構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 波動 : 1 (不穩定) undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave (motion); wave...
  1. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括: 1在設計狀和工作狀下,根據mpt的實驗參數,對mpt使用不同工質時的性能進行了工程估算,這對mpt現階段的實驗研究和今後的研究有重要的指導意義; 2對于he 、 ar推進工質,討論微的接頭材料、探針與內導體的間隙、內導體的位置、微的輸入功率、工質的質量流量以及環境真空度對mpt真空啟定工作的影響,並探討微的輸入功率、工質的質量流量對諧振腔強、推、反射功率以及諧振腔溫度的影響; 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質,主要討論與he 、 ar工質不同的特性,並從長遠的眼光和工程應用的角度,認為其可行性不容置疑,潛在優勢不可忽略,是未來mpt應用的主流推進工質。
  2. On the similitude artillery, 7 items of shooting tests were proceeded. these items included : muzzle velocity of projectile, pressure of gases, recoil force, efficiency of muzzle brake, muzzle shockwave, dynamic stress, stability

    在模型炮上進行了7個射擊實驗項目,實驗項目包括:初速、膛、后坐阻、炮口制退器效率、炮口沖擊定性。
  3. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大發展工程樁的實驗室承載監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上,本文提出了現場利用聲層析成像技術監測鋼砼樁內部質量的方法與程序,並得出了聲層析成像技術是砼樁的質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應及應變的變化情況,指出粘土地區也應考慮時間效應,並且進一步分析了基坑邊坡土體的塑性區形成和發展,找出邊坡最不利的區域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作法與大開挖順作法的地下室結構體系受情況及施工順序的不同,提出了節點處理技術;分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方法;本文還提出了環境振對土體邊坡定產生影響的觀點,並分析了在環境振影響下,土體的應及土休失破壞概率,並且還運用彈性學知識和數學分析的方法定量地分析了地下混凝土墻受,指出了被監測墻體的最大應、應變位置。
  4. At the same time, with the rapid development of electric power industry, stabile power quality issues, such as voltage fluctuation and flicker, frequency fluctuation, harmonics, have increasingly captured considerable attention from utility companies and their customers

    同時,隨著電工業的快速發展,電能質量問題如電、頻率、諧等,已經引起了足夠的重視。
  5. Steady surge pressure

    穩態波動壓力
  6. The transient state of torpedo electrical drive system, caused by torpedo ' s steding, shifting, and the fluctuation of battery voltage, and the change of the resistance in voyage, will influence efltire attitude and stability of the torpedo immediately, as well as every parts of electrical propulsion system. therefore, it is necessary to theoretically analyze the transient state of torpedo electrical power propulsion system

    魚雷電推進系統在魚雷啟、變速及因電池電和在魚雷航行阻變化時而產生的暫過程都將直接對整個魚雷的姿定性產生影響,同時對電推進系統本身各個組件也將產生不同影響,因此有必要對魚雷電推進系統的暫過程進行一些理論分析。
  7. Abstract : the initial charge - process of dc capacitor and the steady working state of active voltage - source - inverter power filters are analyzed in this paper, and four new parameters are proposed to judge the working performance of active power filters and to aid their design

    文摘:分析了電逆變器型單相有源電器直流側儲能電容器的初始充電過程(有源電器的起過程)和有源電器的定工作狀,並提出了判定有源電器性能、幫助有源電器設計的四個標識性參數。
  8. Results of analysis indicate the self - charge ability of active vsi power filters without additional equipment under start - up process and their ability of maintaining the average voltage on dc capacitor in steady state

    分析結果表明,無需附加任何充電環節或裝置,電逆變器型有源電器就能自完成對儲能電容器的初始充電過程,然後自過渡到定工作狀,並在中維持儲能電容器上的電平均值不變。
  9. With the serious problem of harmonics pollution to the power system, as well as the need of high performance of ac drive application, three - phase pwm rectifiers have been as active research topic in power electronics recently, due to the virtues, such as sinusoidal input currents, unity power factor, steady output voltage, good dynamics and bin - directional energy flow

    隨著電網諧污染問題日益嚴重和人們對高性能電技術的需要, pwm整流技術引起人們越來越多的注意。三相pwm整流器可以做到輸入電流正弦、單位功率因數、直流電輸出定,具有良好的性能並可實現能量的雙向流。因此, pwm整流器成為當前電電子領域研究的熱點課題之一。
  10. A model of an 110kv three - phase network is established by matlab / simulink spsfirstly, and the disturbance of harmonic in power system is simulated by a type - ss1electric locomotive in this model. secondly, kinds of short faults are analyzed, thestable and transient voltage waves are obtained. then, a de - noising method is presented, which is based on wavelet packettransform and has better resolution in time and frequency domain

    首先利用matlab / simulink電系統工具箱中的模塊建立了一個110kv的三相輸電網路模擬模型,並以韶山1型電機車為原型,實現對電網中主要諧源的模擬;然後,對該輸電網路中多種短路故障進行了分析,並給出在和暫情況下的電信號形。
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