震動脈沖 的英文怎麼說
中文拼音 [zhèndòngmàichōng]
震動脈沖
英文
shock pulse-
Aim at to turn a dense oil pump in the movement the metal bellow expansion joint and buffer tank was installed in the dense oil pump export because of the violent vibration and noise cause by the discharge and the pressure pulsation, the result show lowered the vibration and noise availably was obvious
摘要針對轉子式稠油泵在運行中因流量和壓力脈動所引起的劇烈震動和噪聲,在稠油泵出口安裝金屬伸縮節和緩沖罐,有效地降低了震動和噪聲。When they reach the axis that the laser pulse is traveling along, they overshoot and end up traveling outward again, producing a wavelike oscillation [ see box on preceding page ]
當電子到了雷射脈沖所經過的軸,就會再次受到轟擊,而再次向外運動,產生如波動般的震? (見前頁在電子泡泡里) 。Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制,保證加工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平穩性;通過脈沖均勻化,有效地解決加工過程中因為脈沖不均勻而引起的震動問題。For this case, this kind of damper seems not applicable because it does n ' t reduce the strain at the ankle of bushing but increases it under some conditions
而在含有速度脈沖近場地震動作用下,鉛合金減震器不但沒有降低瓷柱的應變,一些情況下還增加了瓷柱的應變。The figure of daily mean value in resent year showed : the medium term anomaly with impulse jumps appeared 11 months before the event, and the maximum of anomaly was 84 times of the normal rising rate ; the short term anomaly appeared 4 - 1 month before the event, and the maximum of anomaly was 274 times of normal mean fluctuation ; the imminent anomaly appeared 9 days before the event, and the maximum of anomaly was 2. 5 times of normal mean fluctuation
年日均值圖顯示,中期異常出現在震前11個月左右,表現為脈沖式向上突跳及階躍式上升,最大異常量為日均正常上升速率的84倍;中短期異常出現在震前4個月和1個月,最大異常量為正常日均波動值的274倍;臨震異常出現在震前的第9天,震前25小時達到最高值,最大異常量為正常日均波動值的2 . 5倍。Then using kerosene as fuel, oxygen and compressed air as oxidizers, proof - of - principle experiments of pdre were successfully conducted the results show that the measured detonation wave pressures are close to theoretical values it also indicate that using kerosene as the fuel of pdre is feasible
採用航空煤油為燃料,氧氣和壓縮空氣為氧化劑,分別進行了兩相脈沖爆震火箭發動機原理性試驗,所測得的爆震波壓力接近充分發展的理想爆震波壓力,說明採用煤油作為脈沖爆震火箭發動機的燃料是可行的。In order to investigate the influence of characteristics parameters on detonation wave in a two - phase pulse detonation engine model. the peak detonation pressures and average velocities of two - phase pulsed detonation wave produced by pde model using gasoline as fuel and air as oxidizer under various ignition frequencies and various mixture ratios are measured systematically, and the relations influencing them are analyzed
為了探索氣-液兩相脈沖爆震發動機模型內特徵參數對產生爆震波的影響規律,系統地測試了以汽油為燃料、以空氣為氧化劑的氣-液兩相脈沖爆震發動機模型在不同點火頻率及不同余氣系數下爆震波的峰值壓力以及平均爆震波速,並對其變化進行了分析。Is pattern light chu switch after, computer automatic program is various as making an appointment to shake, alternates alternately, make you possess pulse massage new feeling
輕觸開關后,電腦自動程序預約的多種震動模式,交替變換,使你擁有脈沖按摩新感覺。Experimental study on two - phase pulse detonation engine model
兩相脈沖爆震發動機模型試驗研究Experimental investigations of the effect of equivalence ratio on detonation characteristic parameters of pulse detonation rocket engines
當量比對脈沖爆震火箭發動機爆震特性影響的實驗研究Methods of testing plastics - mechanical properties - tensile vibration - sonic - pulse propagation method
塑料試驗方法.第3部分:機械性能.拉伸震動.試驗方法323f :聲脈沖傳播法Investigation on the working characteristics of pulse detonation engine with changing the time of fuel injection
供油時間改變對脈沖爆震發動機工作特性的影響Our standard filled gauges are designed to shock environmental conditions. these gauges offer a significant cushioning and dampening effect
本公司盛產的普通耐震壓力表是為適應環境震動而設計的;同時對被測介質的脈動有明顯的緩沖效果。Characteristics of near - fault ground motion containing velocity pulses
近斷層速度脈沖的地震動特性研究The outcomes indicate that under the effect of velocity pulse the increment of pgd ( peak ground displacement ) is greater than that of pgv ( peak ground velocity ), which has less influence on pga ( peak ground acceleration )
結果表明:在速度脈沖效應下,地震動峰值位移增大值大於峰值速度增大值,而峰值加速度所受影響最小。Effects of parameters of turbulence generator on the detonation wave in air - breathing gasoline - air pulse detonation engine
空氣脈沖爆震發動機爆震波壓力的影響Investigation on two phase pulse detonation engine at the frequency 30 - 50hz
兩相脈沖爆震發動機研究Detonation pressure properties of kerosene aero - valve pulse detonation engine
煤油氣動閥式脈沖爆震發動機爆震波壓力特性試驗The experimental results have shown that for a given length of pde model the performance of pde model decreases with increase of and the ignition frequency is equal to the pulse detonation frequency
通過分析實驗結果發現,當余氣系數增大時,爆震波發動機性能下降,在爆震室長度一定時,點火頻率等於脈沖爆震頻率。In this paper, the effect of velocity pulse in near field ground motions is emphasized and the influence of velocity pulse to acceleration velocity and displacement in earthquake ground motions is analyzed by using simple impact modal
摘要著重介紹了幾次地震中出現的近場地震動的速度脈沖特性,並利用簡化沖擊模型來分析速度脈沖效應對地震動加速度、速度、位移的影響。分享友人