thickness vibration 中文意思是什麼

thickness vibration 解釋
厚度振動
  • thickness : n 1 厚；粗；厚度；粗大。2 濃度，濃厚，黏稠。3 密度；稠密。4 模糊不清，多煙霧，混濁。5 愚笨；遲鈍...
  • vibration : n. 1. 振動，顫動；擺動；【物理學】振動。2. （心的）震顫。3. （思想情緒的）激動。4. 猶豫。adj. -al
  1. The factors which affect the spl : the square measure of diaphragm, the amplitude of vibration, magnetic field intensity, power, impedance, resonant chamber, the pattern and the thickness of diaphragm, and the holes

    音量會影響聲音大小的因素:膜片面積，振幅，磁場強度，功率，阻抗，音腔大小，膜片花紋/厚度，開孔
  2. The thickness of raw material and the speed of raw material to the speed of raw material to be moved inside the machine and the change of vibration breadth can be realized through steeples

    可調性好，適用面寬。料層厚度和在機內移動速度以及全振幅變更均可實現無級調節。
  3. The damping coefficient of the laminated composites is more than twice that of ly12 aluminum alloy. furthermore, the damping coefficient of laminated composite is enhanced with the increasing of thickness of fiber / resin layer. the vibration damping mechanism is analyzed

    研究了不同纖維樹脂層厚度時疊層復合材料的阻尼性能，發現隨中間層厚度的增加，疊層復合材料的振動衰減系數增加，並分析其振動衰減機制。
  4. The influence of the bonding layer thickness and material properties, piezoelectric layer thickness, placements and feed - back control parameters on the vibration suppression are investigated

    分析了粘彈層、壓電層厚度和壓電片位置等結構參數變化以及材料參數變化對控制效果及結構頻率的影響。
  5. An optimal hankel norm approximation model reduction method is used to reduce the equations of motion to lower order size. it is shown that the method is steady, efficient by numerical emulating. firstly, the influence of viscoelastic layer thickness and material properties, piezoelectric actuator layers thickness on the vibration suppression are investigated

    採用最優hankel最小階逼近降階法對主被動混合阻尼結構的控制狀態方程進行降階，以附加主動約束阻尼層的梁結構為例，進行了數值模擬，結果表明：該方法是一種穩定的、高效的、魯棒性很好的降階方法。
  6. A correlation was studied out here :, for experiment with sparger 1 # ;, for experiment with sparger 2 #. sparger decreased interfacial heat transfer coefficient, total clotted liquid and steam energy transfer and weakened surface temperature vibration. it also decreased thickness of hot water layer, attenuated steam condensation and shortened the time of balance

    加裝遮流板使實驗初期階段的表面冷凝換熱系數hif降低76 93 ；減少了累計凝結量67以上；降低蒸汽流能量的傳遞，使表面溫度波動顯著降低；減少了熱水層的厚度；減緩了蒸汽凝結的劇烈程度，大大縮短了系統壓力平衡需要的時間。
  7. The plastic mould with the thickness over 400mm ; mould for closure of tv sets and trunks ; mould for closures of copying machines ; mould for vibration absorber ; mould for motor dashboards and large parts ; mould for dustbins ; mould cavity for die cast

    厚度大於400mm的塑料模具電視機罩殼和后備箱的模具復印機外罩的模具減震器的模具汽車儀錶板和大型零部件的模具垃圾箱模具壓力鑄造型腔
  8. Test methods for the properties of piezoelectric ceramics - thickness extension vibration mode for disk

    壓電陶瓷材料性能測試方法圓片厚度伸縮振動模式
  9. Test methods for properties of piezoelectric ceramics. thickness - shear vibration mode for rectangular plate

    壓電陶瓷材料性能測試方法長方片厚度切變振動模式
  10. 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「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「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，結構剛度增大，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度時，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，側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、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:在抗震設防烈度較高地區（ 8度）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「振型分解反應譜」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。
  11. Dynamic characteristic of orthogonal vierendeel dome was discussed, and the influence on vibration characteristic acted by difference including rise - to - span ratio, shell thickness, section area and constraint condition was studied. vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake. by comparing dynamic response in different direction and dimension seismic excitation, the value and distribution of dynamic internal force were obtained

    本文研究了正交空腹網殼結構的動力特性，分析了矢跨比、網殼厚度、腹桿截面和支座約束條件對結構自振特性的影響；採用反應譜法和時間歷程法對正交空腹網殼的地震響應作了詳細的分析，分別研究了結構在不同方向地震激勵下和在不同維數地震激勵下動力響應的數值大小和分佈規律，並比較了兩種方法的結果差異，對抗震設計具有參考價值。
  12. It is shown that vibration suppression efficiency of these kind of treatments depend much more on the viscoelastic layer thickness, material properties and the piezoelectric layer thickness. secondly, a linear quadratic regulator and output feedback are used to actively control vibration. it is shown that placing the active element on the opposite side of pcld or underneath pcld is capable of vibration suppression with lower control effort and more inherent damping

    定義了主被動混合阻尼結構控制性能指標：被動抑振性能指標、主動抑振性能指標、控制能量指標和控制力性能指標；然後，基於狀態反饋最優控制律，根據定義的控制性能指標分析粘彈性阻尼層厚度、粘彈性阻尼材料參數、壓電作動層厚度對主被動混合阻尼結構振動控制性能的影響，得到了一些有價值的結論。
  13. Mathematical model of structural optimization has been set according to the data got from dynamic analysis. the thickness of plates, diameter and thickness of tubes, elastic and damp coefficient of front and back vibration absorber have been optimized in modified feasible direction method. contrast with original motorcycle has been successively done

    根據動態分析得出的數據，建立結構優化的數學模型，使用改進的可行方向法，對車架和整車的板厚、管徑及其壁厚、前後減振器的彈性系數和阻尼系數等進行尋優。
  14. Second, the thermoelastic coupling vibration of cylindrical shell are discussed by means of the same method. the coupling coefficient, amplitude of temperature, initial displacement, ratio of length to radius and that of radius to thickness are main factors which influence the thermoelastic vibration of cylindrical shell ; the higher the coupling coefficient is, the lower the axial force, the axial stress and the axial moment are

    其次，我們用同樣的方法研究了圓柱殼的非線性熱彈耦合振動，主要結論如下：影響圓柱殼非線性熱彈耦合振動的因素主要有耦合系數、溫度幅值、長徑比、徑厚比以及初始位移參數；耦合系數越大，軸向應力、軸向力以及軸向彎矩越小。
  15. Using theory of strength of track structure and vehicle - track coupling vibration dynamic model, we analyze the effects the different thickness of ballast act on relevant track structure parts and deduce the rational thickness of ballast

    本文應用軌道結構強度計算理論及車輛軌道耦合振動動力學模擬計算模型，分析了不同道床厚度對相關軌道結構部件的影響，得出了合理道床厚度的建議值。
  16. The vibration resistant performances of the parts that made o f pc are five times higher than that of casting iron, but weight is o ne third of it at the same volume. the thickness of the sfpc parts can be increased if the weight is equal. this would make natural fr equency and the amplitude of vibration reduced and improve the dy namic characteristics of a machine tool

    用此種材料製造的部件，從減振性能來看，超過鑄鐵的5倍，相同體積下重量只有鑄鐵的1 3 ，在不增加其重量的情況下，壁厚可增大，使固有頻率提高，共振振幅減小，靜動剛度提高，改善了機床的動態性能。
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