fluctuation of pressure 中文意思是什麼

fluctuation of pressure 解釋
壓力波動
  • fluctuation : n. 1. 波動，起伏，漲落；【物理學】脈動。2. 動搖不定，躊躇。3. 【生物學】彷徨變異。
  • of : OF ＝Old French 古法語。
  • pressure : n 1 壓；按；擠；榨。2 【物理學】壓力，壓強；大氣壓力；電壓。3 精神壓力，政治[經濟、輿論等]壓力。4...
  1. Study on the method of detecting pressure fluctuation in draft tube

    尾水管壓力脈動檢測方法研究
  2. In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal

    在通過fbm （分數布朗運動）數據模擬證明了氣固流化床壓力波動信號與分數布朗運動是相似的基礎上，提出了用分數布朗運動來模擬氣固流化床壓力波動信號，並採用r s分析法從信號時間序列中提取出hurst指數，通過分析信號hurst指數值對流化床流型和結塊故障進行了研究。
  3. Thirdly, the correlative coefficient is computed between the pressure fluctuation signal of draft tube and the displacement signal of upper guide bearing, the thrust bearing and the head cover, with this the conclusions on the shafts response due to pressure surge in

    並與模型尾水管壓力脈動試驗結果進行對比?結合流動模擬試驗以及動力特性計算結果，全面分析?評定機組的實際運行狀況，劃定運行區域，為電站合理調度
  4. Intermittence analysis of pressure fluctuation signal in scisr

    撞擊流反應器內壓力波動信號的間歇性分析
  5. The rule of fluctuation of energy and pressure about canonical assemblages relativity quantum perfect gas under high temperature is given through strict theoretical inference and comparison with the theory on non - relativity

    通過嚴格的理論推導，給出了正則系綜高溫條件下相對論量子理想氣體的能量和壓強的漲落規律，並與非相對論漲落進行了比較
  6. When the moisture content is below fibre saturation point, the movement of absorbed water is subdivided into two parts : one is diffusion transfer due to the vapor pressure gradient, the other is moisture movement caused by the pressure fluctuation due to the variation of medium

    在纖維飽和點以下時，木材內部吸著水的遷移可分為：水蒸汽壓力梯度下的擴散遷移和由於乾燥介質壓力的波動而引起的浮動壓力下的遷移兩個部分。
  7. Speical attention should be paid to prevention of inspiratory regurgitation, supine hopotension syndrome, and cyclic fluctuation caused by sudden reduced abdomenal pressure

    結論麻醉方法以全麻為宜，術中應預防誤吸，仰臥位低血壓綜合征等，加強呼吸和循環管理，重點防止因腹壓驟降所引起的循環波動。
  8. The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other

    可能的影響因素有:沿軋件縱橫向溫度變化、由溫度引起的軋件變形抗力變化、軋機輥縫值變化、負載變化、電機調節系統由不穩定向穩定過渡過程中軋輥轉速的變化（如咬鋼過程中的動態速降后的回復階段） 、來料尺寸波動造成秒流量不匹配等，整個模擬系統是各個因素相互影響關聯的一個閉環系統。
  9. Numerical prediction of pressure fluctuation within francis turbine for large - eddy simulation

    基於大渦模型水輪機壓力脈動的數值預測
  10. The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured. based on the experiment data, the characteristics of pressure fluctuations are analyzed in the three - phase flow of water, air and sand. the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed

    建立了多相流壓強脈動基本方程，闡述了水流脈動壓強基本理論，分析了壓強脈動機理；根據試驗數據，探討了水、氣、沙三相流體的壓強脈動特性，初步得到了高速含沙摻氣水流脈動壓強的幅值特性與頻域特性；提出了脈動壓強強度系數、脈動壓強極差系數與含沙量、摻氣濃度的關系。
  11. Effect on pressure in the vessels of east cryogenic system due to fluctuation of heat loads

    超導托卡馬克熱負荷波動對低溫系統液氦槽的影響
  12. Compared with the incidence of fluctuation of blood pressure and heart rate, the epidural anesthesia group is obviously higher than that of the general anesthesia, this showed that general anesthesia should be the first choice

    採用全身吸入麻醉46例，用藥為硫賁妥鈉或異丙酚+琥珀膽堿或卡肌寧快速誘導氣管內插管，吸入氨氟醚加潘可羅寧或卡肌寧維持麻醉。
  13. To drain continuously with low noise, without being affected by the fluctuation of the pressure

    不受壓力波動的影響，連續排水，噪聲小。
  14. Based on a large amount of experimental data, nonlinear analysis, such as complexity theory, and approximate entropy ( apen ) which is adopted systematically in the fluidization research the first time, are implemented in the time series analysis of pressure fluctuation and particle concentration in gas - solid fluidized beds, and the nonlinear characteristics of fluidized beds are discussed comprehensively

    本文在大量實驗數據基礎上，將非線性方法，包括復雜性理論，以及首次被系統引入流態化研究的近似熵，應用到氣固流化床壓力及顆粒濃度脈動時間序列分析中，較為系統地探討了流化床的非線性特徵。
  15. Pore - water pressure distribution calculated by the program is used to slope limited equilibrium analysis, is synthetically analyzed with the fluctuation of the upper reach ' s water level of dam and core - wall dam upper or down are analyzed synthetically when the upper water level changed

    把在計算非穩定滲流中所得到的孔隙水壓力分佈用於邊坡極限平衡分析。綜合分析壩體上游水位變化時，均質壩上、下游邊坡和心墻壩上游邊坡安全系數的變化規律。
  16. Currently most domestic break - test - plateform adopt the liquid - pressure - servo technique, which possesses the advantages of higher frequency - response and higher controlling exactness, but in the same time, the disadvantages of higher cost, variation of function with the change of oil viscousness produced by the fluctuation of temperature. moreover, the liquid - pressure system is sensitive to the pollution of oil, so it is necessary to take protective and filtrating steps

    目前，國內的制動器試驗臺大多採用的是液壓伺服控制，這種控制具有響應頻率高、控制精度高等優點，主要缺點是系統成本高、油液粘度隨溫度變化引起工作性能的變化、且液壓系統對油液的污染比較敏感，必須要有良好的保護和過濾措施。
  17. Under this background, we successfully developed an engine fuelled with coal - bed gas and ignited by spark plug. the measurements for the prototype engine were thoroughly made, including the cylinder pressure, the rate of heat release, combustion duration, ignition delays, spark ignition angle, and the fluctuation of the cylinder maximum pressure

    在此背景下，本文對經由s195柴油機改裝得到的燃用變組分煤層氣發動機進行了全面的測試和分析，包括缸內示功圖、燃燒放熱率、主燃期、點火提前角、火焰發展期以及最大壓力循環波動等。
  18. Correlation dimension of pressure fluctuation in gas - liquid - solid three phase co - current up - flow system

    固三相流中壓力波動信號的分維估算
  19. Observation on fluctuation of blood pressure before and after language activity in patients with acute cerebral infarction

    急性腦梗塞患者語言活動前後血壓變化觀察
  20. The system has others virtues, such as wide fuel adaptability, little fluctuation of pressure, good seal performance, etc. the injector of direct injection is assembled from electronic controlled valve and diesel injector, and it is used in the experiment

    研究了多種燃料供應方式下的燃料供應系統，其中缸內噴射系統創造性地採用液壓增壓方式，其具備燃料適應性廣、噴射壓力可調（ 2 12mpa ） 、壓力波動小、密封性好等優點。
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