振動烈度 的英文怎麼說

中文拼音 [zhèndòngliè]
振動烈度 英文
vibration severity
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ形 (強烈; 猛烈) strong; violent; intense 2 (剛直; 嚴正) staunch; upright; stern Ⅱ名詞1 (為...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型臺進行了k _ 0固結狀態下粉土的液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9地震的加速幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  2. This paper, on the basis of the theory of aeroelasticity, analysed the galloping phenomenon which the cord was undergone the excitation of the horizontal wind. and also built up the mechanic model when galloping. this model provided the theoretical foundation for the case that the cord begins violently vibrating just after the speed of the horizontal wind reaches a certain level

    以氣彈性力學理論為基礎,分析了懸索在受到水平方向橫風激勵時的馳現象,並建立了其發生馳時的力學模型,該模型為懸索在橫風速達到一定數值時發生激提供了理論依據。
  3. Requirements for instruments for measuring vibration severity

    振動烈度測量儀的要求
  4. Evaluation of vibration severity for marine engine - room auxiliaries

    船舶機艙輔機振動烈度評價
  5. Measurement method of vibration for marine engine room auxiliaries

    船舶機艙輔機振動烈度測量方法
  6. After plenty of practices, it is discovered that the main factor that lowers the part precision and accelerates the aging of parts is the vibration caused by the inertia force of extrusion head in high speed scanning movement

    作者通過大量的mem工藝實踐發現,噴頭做高速掃描運時產生的慣性力對機架的沖擊及相應引起的劇是降低造型精、加速設備老化的主要因素。
  7. Generally ship lift structure is consisted of two or four huge reinforced concrete tube towers and a single - story machinery building on the top of tube towers. because the tube towers is demanded to support the large loads, the lateral stiffness of tube towers is a few hundred times as solid as that of the top machinery building and cause the sudden change of the stiffness. this change would cause insentive seismic whipping effect of the top building. the aseismic methods are difficultly used to reduce seismic responses of the top building of ship lift structure. the feasibility of develop an intelligent vibration control system is explored in the paper

    這樣,在塔柱頂部鋼筋混凝土平臺就會產生側移剛的突變。這種巨大的剛突變會引起升船機頂部廠房強的地震鞭梢效應,使得升船機頂部廠房地震反應的控制就成為升船結構抗震設計中的關鍵問題之一。由於採用常規的結構控制方法難以較好地解決升船機頂部廠房地震鞭梢效應,因此這就為智能控制技術的發展和應用提供了可能。
  8. Result shows : the vibration of vehicle is mainly relevant to velocity and uneven path. the higher the velocity is, the more uneven the path is, the more violent the vibration of vehicle is ; comparing dynamical response of middle bridge stride on vehicle passing bridge and on equivalent moving loads, the displacement is same but the velocity and the acceleration are different ; the result of velocity and acceleration of vehicle is big over the ground path than over the same path of bridge

    結果表明:車輛的主要和車速及軌道不平順有關,車速越高,軌道越不平順,車輛的就越劇;車過橋時橋梁跨中力響應與等效移荷載作用下橋梁跨中力響應比較,橋梁跨中的位移基本相近,速和加速則不同,等效移荷載作用情況下的數值比較大;車輛過地面軌道不平順時的速、加速比車輛過橋上同樣軌道不平順時的數值大。
  9. With the development of machine manufacturing industry and acute competition of the international market, the spiral bevel gears, as the important basic parts in machine transmission, are required with higher and higher behavior in vibration, noise control and dynamic strength. this problem has long been paid attention by domestic and overseas many experts, and become a crux and top goal

    隨著機械製造業的發展和國際市場競爭的日益劇,對機械傳的重要基礎件? ?弧齒錐齒輪的強和噪聲要求愈來高,弧齒錐齒輪的、噪聲、等,一直引起各國有關專家的廣泛關注,成為齒輪生產中的關鍵技術和制高點。
  10. In this article , the vibration of a three - cylinder engine equipped on cars is discussed. after the theoretical analysis and practical measurements , we improved the balance characteristics according to rule of over - balancing. meanwhile , the position of supporting and the rigidity of the shock absorber are adjusted. as a result , the vibration intensity of this set is greatly reduced and has reached the anticipant level

    本文以一實際的三缸車用發機為例,經計算分析與實測,採用過量平衡法改善其平衡特性以及對該機的支承位置和減器剛進行調整后,使該機組振動烈度大大降低,達到了預期效果。
  11. Abstract : in this article , the vibration of a three - cylinder engine equipped on cars is discussed. after the theoretical analysis and practical measurements , we improved the balance characteristics according to rule of over - balancing. meanwhile , the position of supporting and the rigidity of the shock absorber are adjusted. as a result , the vibration intensity of this set is greatly reduced and has reached the anticipant level

    文摘:本文以一實際的三缸車用發機為例,經計算分析與實測,採用過量平衡法改善其平衡特性以及對該機的支承位置和減器剛進行調整后,使該機組振動烈度大大降低,達到了預期效果。
  12. With a practical example of tamper vibration monitoring, this paper has analyzed the vibration monitoring result and the contents of practical application

    對強夯施工引起的地面進行同步監測分析,可給出強夯影響的地震評價、主頻、參數和安全距離。
  13. Mechanical vibration of machines and equipments in diesel locomotive evaluation of vibration severity in site

    柴油機車車內設備機械振動烈度評定方法
  14. The evolution of the local spin in a molecular magnet peg and [ mn4 ] 2 interacting with an injected electron is studied, we find that the variation in the magnetization of fe8, [ mn4 ] 2 and the electron spin crucially depends on the strength of the exchange interaction. we calculate the time evolution of the entanglement between the injected electron and fe8, [ mn4 ] 2

    在磁性分子fe _ 8和[ mn4 ] _ 2的自旋力學和糾纏演化的研究中,我們發現糾纏隨著時間而改變;自旋和糾纏依靠于交換作用,結果提供了用分子磁體和極化電子進行編碼和讀出數據的可能性。
  15. By acquiring the structure and environment parameters, the active control can greatly reduce the vibration on the model and the supporters caused by the unsteady aerodynamic force which badly influences the experienced data precision

    在進行風洞試驗時,受非定常氣力的作用,模型會與天平、支桿和支架一起產生。模型劇嚴重影響風洞測力試驗數據的精
  16. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構型」 、 「周期」 、 「結構側向剛」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防較高地區( 8)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  17. The mechanic character, destroying pattern, the ductile and dissipation energy capacity of this composite structure under the earthquake have been clarified. the stiffness degradation, natural frequency, damping ratio of this structural system with the development of intensity of earthquake have also been investigated. with consideration of the top displacement, drift of story and micro - strain of longitude steel bars, the equivalent shell wall method has been presented in order to simplify the design of such type structure

    通過試驗,掌握了該結構體系在水平地震荷載作用下的受力特點、變形與耗能性能、結構的破壞形態等力學指標:得到了結構在不同地震條件下的剛變化、自頻率、阻尼比等力特性;綜合結構的頂點位移、層間轉角以及鋼筋的微應變,提出了適合於該結構體系簡化設計的「等效剪力墻法」 。
  18. Abstract : based on analysis of the characteristics of equipment operation, and accordin g to the vibration intensity, a grey prediction model is established by use of g rey system theory

    文摘:分析了設備運行狀態的特徵,運用灰色系統理論對設備狀態特徵量? ?振動烈度,建立了灰色預測模型。
  19. This article introduces a new kind of invention, which is capable of monitoring the intensity of the impact and vibration in circulation phase, discusses its fundamental principle and structure, analyses the results of the impact experiment and gains the corresponding monitoring parameters of different specification products

    摘要介紹了新開發的一種流通環節沖擊和振動烈度監控新產品,論述了基本原理和結構,分析了跌落沖擊標定實驗結果,獲得了可用於不同易損商品的加速監控參數。
  20. Abstract : explained the dann ( dynamic artificial neural network ) in terms of b uilding model and predicting of time series, presented for the first tim e a new kind of dann anhn ( artificial neural holonetwork ) for predict ing the coming trend of nonliner dynamic time series, gave its mathem atical model and its topological construction

    文摘:從時間序列建模與預報的角討論了態神經網路,首次提出了一種新的實現非線性態時間序列預報的態網路結構全息神經網路,給出了其數學模型和拓撲結構,並將其應用到了機械設備振動烈度值的預測上,取得了令人滿意的效果。
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