混響響應曲線 的英文怎麼說

中文拼音 [húnxiǎngxiǎngyīngxiàn]
混響響應曲線 英文
reverberation response curve
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. In this research, the lime - fly - ash bound macadam was joined with steel fibers, glass fibers and polypropylene fibers with the contents of the lime, the fly ash and the macadam fixed in lab tests. the study focuses mainly on the split strength, compression strength, and modulus of compressive resilience and shrinkage property of the lime - fly - ash bound macadam enhanced by different kinds of fibers. based on the test, a detail theoretical analysis was made on the relation of mechanical property, dry shr inkage with the variety and the quantity of fibers, applying the theories of strength, dry shrinkage and the methods of statistics, curve mimesis and variance analysis

    本論文主要是研究在同一種二灰碎石合料(石灰、粉煤灰、集料的含量及比例相同)中分別摻入不同數量的鋼纖維、玻璃纖維、聚丙烯纖維,通過室內試驗對其抗拉強度、抗壓強度、抗壓回彈模量和乾燥收縮性能與纖維摻量和纖維品種之間的關系加以分析和研究,並在此基礎上根據二灰碎石強度形成機理、乾燥收縮機理和數理統計、擬合、方差分析的方法分析纖維品種和纖維數量對二灰碎石的力學性能和乾燥收縮性能的影,最後得出纖維對二灰碎石的強度、抗壓回彈模量、乾燥收縮有很顯著的影,並提出了相的建議。
  2. The content of the paper is nonlinear analysis of complete response process for t, l - shaped and " + " shaped section r. c. columns under axial compression and biaxial bending. on the basis of related papers, the full path of stress - strain relation of concrete and the sliding of longitudinal reinforcement anchoring are all considered, simultaneously, the restriction effect for concrete by thickening of stirrups is also included

    本論文主要內容是對鋼筋凝土異形截面雙向壓彎柱(包括l形、 t形、十字形柱)進行非形全過程分析,在有關文獻基礎上考慮了受拉縱筋和周圍凝土的錨固滑移和凝土力?變關系的下降段,同時考慮到在箍筋加密區箍筋對凝土的約束影
  3. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的合物理論建立的多孔介質理論和動力控制方程,假設砂土滿足各向同性並處于彈性小變狀態,豎向振動力將在飽和砂土內部產生三種波,分析了這些波的彌散和特徵衰減,從波傳播的角度,研究了振動力參數和土性參數對振動范圍的影
  4. This paper use the principle of mass concrete temperature raise and down will make concrete inside stress and strain cause change, and mixture ratio of concrete effect temperature stress, and the principle of equilibrium management model of china - pole, and the test curve of temperature in engineering, and the model experiment " anti - pull " together of mass concrete etc, to studied mass concrete anti - crack theory in design, construction and management

    本文採用大體積凝土溫度升降引起凝土內部的力和變產生變化及凝土的配合比對其溫度力的影原理、鏈桿平衡管理模型的計算原理、工程溫度實測、大體積凝土「抗?放」結合模型的試驗結果等研究了大體積凝土在配筋設計、施工及施工管理過程中的抗裂措施。
  5. Beams are researched, and the relation between strains of corroded re - bars and fatigue life of beams are obtained. the main research contents and conclusions are as following : 1. under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated

    鑒于實際工程中大量存在腐蝕鋼筋凝土結構承受反復荷載作用,但其力學性能研究不多的問題,本論文進行了銹蝕鋼筋凝土梁抗彎疲勞試驗,研究了力比和鋼筋銹蝕率對銹蝕鋼筋凝土梁抗彎疲勞性能的影,得出了銹蝕鋼筋的變與構件疲勞壽命之間的關系,主要研究內容及結論如下: ( 1 )在循環荷載下,凝土殘余變形基本符合三階段變形規律,力學性能劣化,疲勞損傷積累。
  6. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影因素及其對測井的影進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的合濾波方案,探討了合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。
  7. The output signal of pda is affected by the suspended particle concentration, particle size, and the type and dosage of coagulant as well. by analysing the fi curve, it is found that the characteristic parameters of fi curve closely relate to aggregates size and turbidity removal the aggregates size and turbidity removal achieve the maximum when the amplitude of fluctuation is the maximum. the mean diameter and fractal dimension increase with agitation time, and finally reach a steady - state

    通過對凝過程的在監測和對pda輸出信號fi的數學解析表明: fi綜合反映了懸濁液中膠體顆粒濃度和顆粒粒徑,凝劑種類和投量很大程度上影了fi形狀, fi的特徵值與絮凝體平均粒徑和濁度去除率之間具有良好的相關關系,在振幅最大處,濁度去除率達到最高,絮體平均粒徑最大,該條件下對的投藥量為最佳投藥量。
  8. The results show that the temperature variety in prestress concrete could not been neglected. the main factors that affect the temperature distribution had been analyzed basing on experiment results and much datas of environment variety, and provided a simple curve about periodical variety environment temperature

    在現場試驗研究和其它的環境溫度的大量實測資料的基礎上,對影凝土構件內部溫度分佈的主要因素進行分析,提出了周期性變化的環境溫度可在數學上簡化為一條簡單的簡諧波
  9. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    ( 2 )建立了具有非性剛度的轉子系統在非穩態非性油膜力作用下的徑向碰摩動力學微分方程,並用含高階余項的非性動力方程的性化數值法研究了此類系統的復雜動力學行為,利用轉子的分岔圖、最大lyapunov指數、 poincar截面映射、時域波形、相軌、軸心軌跡、幅值譜等圖形分析了系統的周期運動、擬周期運動、倍周期分岔、沌等運動形式的轉化與演變過程,重點研究了非性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和沌行為的影
  10. Based on the fatigue test for flexural performance of reinforced concrete beam strengthened with aramid fiber reinforced plastic ( afrp ), the effect of fiber layers on the fatigue test performance of the strengthened beam was analyzed according to the strain cycling curve of steel and the stiffness reduction regularity of the beams

    摘要通過芳綸纖維加固鋼筋凝土梁的疲勞試驗,得到了鋼筋的變滯回和加固構件的抗彎剛度隨循環次數衰減的規律,探討了芳綸纖維布層數對加固構件疲勞性能的影
  11. The other is the resonance of boom system of the truck - mounted concrete pump and the frequency response of displacement and acceleration of testing point. the main results and argumentations of this thesis are listed below in detail. 1. based on the certain boom system model of the truck - mounted concrete pump made in china, three - dimensional model of boom system of the truck - mounted concrete pump is built by using the softwar of pro / engineer

    2 .基於剛柔合柔臂架模型,利用adams的振動模塊,以凝土流動時的沖擊力為激勵對臂架系統進行了諧振動研究,得到臂架振動的幅頻,並對結果進行了分析,在此基礎之上,研究了油缸阻尼對臂架末端振動位移和振動加速度的影
  12. In order to research mechanical capability of the reinforced concrete beam with bonding steel plate, adopting separate method to establish finite element model of the reinforced concrete beam with bonding steel plate, using fem to study dynamical characteristics of the model, have got good results which can not be easily got using traditional resolution method, which can give reference to study dynamical characteristics of the reinforced concrete beam with bonding steel plate

    摘要為了研究粘鋼加固后鋼筋凝土梁的各種力學性能,採用分離式方法建立了粘鋼加固后鋼筋凝土梁的有限元模型,並用有限元方法對此模型先後進行了模態分析和簡諧集中載荷作用下的動力分析,得出了加固后鋼筋凝土梁的前5階振動模態和簡諧集中動荷載作用下粘鋼加固鋼筋凝土梁底部開裂的極限動載荷幅值頻率,可為研究粘鋼加固鋼筋凝土梁的各種動力特性提供參考。
  13. A mechanics model for the load - deformation relationship curves considered pre - stress in the steel tube of the cfst columns and beam - columns was established

    建立了考慮鋼管初力影時鋼管凝土構件荷載-變形全過程關系的數值分析模型; 2
  14. On the basis of the fundamental principle of push - over method, together with some basic assumptions, this paper edit computer program of the loading - displacement skeleton curves of the sgrc frame, considering p - delta effect. then this paper use this program to calculate and analysis the loading - displacement nonlinear relations of eleven sgrc frames, which are in two different loading modes. the results calculated by computer are in good agreement with experimental values, so this program is accurate, and the push - over method is practicable analytical method in actual anti - seismic design

    本文依據靜力彈塑性分析方法的原理,編寫了關于鋼筋凝土框架的荷載-位移非關系的計算程序,其中考慮了框架的二階效的影,對兩種採用不同加載制度的共11榀煤矸石凝土框架進行了荷載-位移全過程非性計算分析,通過分析得到的計算結果,說明了本文程序的準確性,從而驗證了靜力彈塑性分析方法在實際抗震設計中的可行性。
分享友人