pressure propagation 中文意思是什麼

pressure propagation 解釋
壓力傳播
  • 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...
  • propagation : 持續培養
  1. Wind direction, wind velocity, air temperature and air pressure have a very great effect on the propagation of pressure waves.

    風向、風速、氣溫和氣壓對壓力波的傳播有十分巨大的影響。
  2. The effects of pressure fermentation on barm propagation, the formation and reduction of diacetyl, the formation of higher alcohols and esters, and beer taste were studied in the experiments

    摘要實驗研究了壓力發酵對酵母繁殖、雙乙酰形成及還原、高級醇和酯的形成，以及啤酒口味等方面的影響。
  3. Chapter 4 : there are a summary of two methods used in this thesis, together with the further work, a introduction of vlasov equation and its moment equations, i. e., the continuity equation, the force equation and the pressure equation, and the ionization and recombination associated with the laser propagation in media

    第四章：本章主要是在總結了兩種方法的基礎上提出進一步可以做的工作，介紹了等離子體動力論中的vlasov方程及它的三個矩方程（連續性方程、力方程和壓強方程） ，以及強激光在介質中傳輸涉及到的電離和復合機制。
  4. Analyzing the propagation behaviors for open and close crack, the author gain that normal fault is more dangerous to earthquake than reverse fault and glide fault. 3. appling fracture mechanics to discuss reservoir - induce earthquake mechanism, the author observes the characteristic of surface crack and gains the stress intensity factor induced by the pressure of rock, water and osmosis

    針對庫區斷層為表面裂紋這一特點，研究水庫地震的斷裂特點，得出地應力作用下的應力強度因子、庫水作用下的應力強度因子和滲壓作用下的應力強度因子以及它們的應力強度因子之合，並且合理的解釋了構造型水庫地震的誘發機理。
  5. In order to analyze the fluid dynamic characteristic in seawater pipeline system, the test device of fluid dynamic characteristic in seawater pipeline system is set up. in this experiment, the velocity of pressure wave propagation is measured by frequency analysis technique and the measured result is reliable. according to the frequency analysis technique and a basic theory of linear transfer matrix, the pulsation pressure value in pipeline is predicted by the measured values from four pressure transducers

    為了分析海水管路系統內流體的動態特性，建立了海水管路系統流體動態特性實驗臺架；在實驗中利用譜分析技術對壓力波傳遞速度進行了測量，測量結果可信；並利用譜分析技術及線性傳遞矩陣基本理論，通過多個壓力傳感器的測量值預測了管路中的脈動壓力值，實驗結果與理論計算之間吻合很好；分析了流體動態特性實驗臺架本身的自循環特性對海水管路系統中脈動壓力測量的影響。
  6. Then makes a detailed study on the water - level sensor : analysis its working principles, measurement conditions and accuracy, at present, water - level sensor has various sorts and different prices, this paper makes a detailed research about the principle, characteristic and application of the cyg19 : solid - state pressure transducer. and then the text make a research about the system interference, including interference source, types, propagation path and anti - interference measure. at last, having experiments validates its practication

    目前，由於水位傳感器的種類繁多，價格相差也較大，本文就所選用的固態壓力傳感器cyg19系列小差壓傳感器的原理、特點及應用進行了詳細的研究；再次，對自動量水儀表系統的干擾部分，包括干擾的來源、干擾的類型、干擾的傳遞方式以及抗干擾措施進行了探討；最後，實驗驗證自動量水儀表的可適用性。
  7. In the end, in view of the fact that boussinesq - type equations and the mild slope equations are deduced from different hypothesis conditions and behave differently in simulation of wave propagation, the numerical results of wave propagation effected by strong non - linearity are given by the nonlinear three - dimensional mathematical model which was established for the calculation of 3 - d wave particle velocity and wave pressure and suitable to small size waters of arbitrarily varying depth

    最後，鑒于boussinesq型方程和緩坡方程是在不同的假設條件下推導而來，應用於描述近岸水域波浪的傳播變形時具有不同的特點。本報告根據作者所建立的可以對任意水深點流場與波動凈壓力場進行求解、適宜水深任意變化水域非線性波傳播的數學模型，提供了在較強非線性作用下波浪傳播的數值模擬結果。
  8. Back pressure propagation mode and maximum working back pressure of hypersonic inlet isolator

    高超聲速進氣道隔離段反壓的前傳模式及最大工作反壓
  9. In the numerical solution algorithm, the method of characteristics, analytic method and galerkin finite element method ( galerkin - fem ) can be chosen to solve the advective equation, diffusion equations, reaction ( source / sink ) equations, propagation equations and pressure poisson equation, respectively. the developed new algorithm has been verified using analytical solution of circular conduit flow in a reynolds number range of 100 < re < 1 000 and experimental data of the laminar flow over a backward - step facing step. the flow properties are well characterized by this three - dimensional numerical model

    本論文在評述三維粘性流動數學模型已有研究成果的基礎上，著重在數值計算方法的選擇和定解條件的給定對數學模型計算結果的影響進行了研究，並首次提出了求解三維純對流方程的高精度的擬協調單元法，建立了三維低雷諾數re流動的數學模型，並在圓管流動、臺階突擴矩形管道流動中得到驗證和應用。
  10. The growing and collapsing of gas bubbles and cavitation not only damage the flow continuity and reduce the working mediums physical performance, but also influence the propagation of pressure pulsation

    氣泡和氣穴的產生及破滅不僅破壞了流體的連續性、降低了介質的物理特性，而且還會影響壓力脈動波的傳播過程。
  11. With the changing of the pressure of water - filled pipe, diameter of leak hole, distance of propagation, the energy and spectrum of pipe leak signal will change. based on this system, these laws were researched by means of experiment

    通過對充液管道泄漏聲發射檢測實驗，研究了泄漏聲發射信號的能量和頻譜隨壓力、泄漏孔徑大小及傳播距離變化的規律； 2
  12. After the simple analyses with the single phased media theory, a more detailed analyses has been done, based on two phased media theory, on rayleigh wave propagation in saturated soil. the new results show that rayleigh wave will really cause larger shear stress and pore pressure than s wave in shallow layers and thus easily induce sand liquefaction

    進一步，基於兩相介質理論的有效應力法，研究了rayleigh波在飽水介質中的傳播情況，給出了rayleigh方程，分析了飽水介質中產生的應力，並同單相介質模型的結果做了對比，證實了rayleigh波較s波可產生較大的剪應力和法向應力梯度，從而導致液化的論斷。
  13. Based on matlab system, a multi - layer back propagation neural network model was developed, in which the effects of the depth from surface to the tunnel axis, tunnel diameter, groundwater level, as well as the elastic modulus, shear strength, side pressure coefficient and unit weight of soil and the space between excavated wall and lining on the ground subsidence were considered

    採用matlab系統開發了一個多層反向傳播神經網路模型，考慮了隧道的深度、隧道的直徑、地下水位、土的彈性模量、土的剪切強度、土的側壓系數、土的重度和開挖間隙對地表沉降的影響。
  14. Test method for determination of the critical pressure for rapid crack propagation in plastic pipe

    塑料管裂紋快速擴展臨界壓力測定方法
  15. Compared with situations of without tunnel hoods and 3 different kinds of tunnel hoods, the relationships of the max pressure, the gradient of the pressure and the velocity of the train are attained and the propagation process of the compression waves in tunnel is verified

    通過在對無緩沖結構和三種不同形式緩沖結構條件下，分析高速列車模型實驗測試數據，得到了隧道壓縮波最大值及隧道壓縮波梯度最大值與速度的關系，驗證了隧道壓縮波在隧道內的傳播過程。
  16. The process of ufd establishment is discussed according to the three stages of detonation propagation. the factors that influence the synthetic ufd process are theoretically analysed. a hermetically spheric container, which can bear internal pressure that the detonation of 100 gramme charge, is designed for the experiment

    在理論方面針對爆轟合成納米金剛石機理研究存在的兩大異議進行探討分析，提出了自己的看法；從爆轟傳播的三個階段對ufd的形成過程進行論述；對合成ufd的三個影響因素：爆壓、爆溫和保護介質作了定性分析。
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