外振動 的英文怎麼說

中文拼音 [wàizhèndòng]
外振動 英文
external vibration
  • : Ⅰ名詞1 (外面) outside; external side 2 (外國) foreign country 3 (以外) besides; beyond; in ...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的測法進行了研究,為各類地基(包括巖基) ,匯總了力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  2. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎,對慣性制器在制時的進行數學建模,然後用matlab對其進行模擬,得出了慣性制器在制角頻率分別與制環和摩擦片之間的摩擦系數、制力的平均半徑、主頂和花鍵軸的轉慣量、慣性制器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主頂和花鍵軸的質量、慣性制器除主頂和花鍵軸其他部分的轉慣量和、頂壓套的質量等慣性制器各零部件的物理參數之間的關系,為慣性制器的結構優化提供了理論依據。
  3. The infrared dichroism of a particular vibration of known origin has been used to give valuable information about molecular orientation.

    已知基因特有頻帶的紅二色性,可以提供分子定向的有價值資料。
  4. Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab

    並用模態分析的方法,將系統的偏微分方程模型轉化成了模態模型;研究了狀態反饋和獨立模態方法;進一步完善了軟體界面以及軟體功能;在實際系統中,應用狀態反饋演算法,有效抑制了懸臂梁在受到界瞬時脈沖擾和激引起的一階、二階模態
  5. The detailed explication of wind induced vibrations of cables, the method of vibration reduction used in practical projects and the recent progresses in researches are introduced

    本文闡述了斜拉索各種風形式的機理和實際工程中常用的減方法以及國內該領域目前的研究狀況。
  6. Any system capable of a free vibration without external force is a counter example, e. g. a wire in the piano.

    任何一個無力而能自由的系統就是一個反例,譬如鋼琴中的一條鋼絲。
  7. Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology

    本文在國內最新的asac理論研究與實驗成果的基礎上,首次將現代魯棒控制理論( h _控制理論)與現代流體力學、固體力學理論相結合,建立了結構聲輻射主控制模型,提出了設計魯棒h _控制器的新方法,並採用現代信號處理技術、計算機技術建立了結構聲輻射魯棒h _控制實驗裝置,進行了實驗研究。
  8. This paper analyse the feasibility and necessity of examine and repair about the qiangui co. ltd of generate electricity base on the frmework of guizhou wire network and the run state and exerience of the factory. at the same time, in the base of the lucubrate and analyse of stats examine in domestic and abroad, this paper has analyse the abrupt librate of steamer generator by online data check in pancountry power plant. it acquire obvious effect and prove the applicability and feasibility about the examine in power plant by take correspond measures to ensure the normal operate of the set

    本文根據貴州電網的結構形式以及黔桂發電有限責任公司機組的運行狀況和經驗,進行了黔桂發電有限責任公司實行狀態檢修的可行性和必要性分析,同時在深入研究分析國內狀態檢修技術基礎上,對盤縣發電廠汽輪發電機組突發事例用在線檢測數據進行分析、採取相應措施處理,使機組正常運行,取得了明顯的成效,同時也證明點檢與狀態檢修在火電廠的適用性和可行性。
  9. Vibration influence except minim scale

    影響微量程除
  10. Production and processing equipment : bearing production equipment, the ball processing equipment, bearing cleaning equipment, packaging equipment bearings, needle roller processing equipment, light jewelry processing equipment, spherical roller processing equipment, rough processing equipment, double - end grinders, spindle, wheel oilstone and other grinding materials, heat production, high - precision coordinates grinder, and outside grinder, seal marking machine, profilometry, contour dynamic analysis, hardness needle - sorting machine, a round instrument, processing tester, processing meter, dynamic vibration and noise analysis, vibration, noise testing device raceway ultra - precision instrument, roughness measuring instrument, the finish detector, sorting machine, converters and bearing products preservatives, lubricants, cleaning agents, such as processing raw materials

    生產及加工設備:軸承生產設備球加工設備軸承清洗設備軸承包裝設備滾針加工設備光飾加工設備球面滾子加工設備毛坯加工設備雙端面磨床電主軸砂輪油石和其他研磨材料熱處理生產高精度坐標磨床內圓磨床印子打標機輪廓測量儀輪廓態分析儀硬度針分選機圓度儀加工測試儀加工測量儀噪聲態分析儀震噪聲測試裝置滾道超精儀粗糙度測量儀光潔度檢測儀分選機變頻器及軸承產品防腐劑潤滑劑清洗劑加工原材料等。
  11. 2. a method combining some of the composite space structural simulation, wavelet analysis, fuzzy mathematical, genetic algorithm, artificial intelligence, expert system, vibration diagnosis, acoustic sounding, supersonic flaw detection, radioscopy, infra - red detection and so on to diagnose the composite structure damage is discussed

    本文對把復合材料大跨建築結構模擬、小波技術、模糊數學、遺傳演算法、人工智慧、專家知識、診斷、聲發射技術、超聲波檢測、射線探傷、激光全息檢測、紅線檢測等方法中的幾種融合在一起對復合材料大跨建築結構進行損傷診斷的方法進行了探討。
  12. New concussion technology of the foreign concussion road rollers

    外振動壓路機的新型技術
  13. The dissertation includes six chapters and the contents are as follow : in chapter 1, the characteristic and the signification of vibration transducers are depicted, and the methods and theirs errors of calibration are presented detailed. then, the general situation of the development of vcs in domestic and abroad is introduced. the important signification of improving the performances of vcs is expounded

    第一章敘述了傳感器特點及其校準工作的目的和意義,重點介紹了傳感器校準方法及其校準結果的誤差分析,同時分析了目前國內外振動傳感器校準系統的發展概況,闡述了改善傳感器校準系統性能的重要意義,最後提出了論文的主要研究內容。
  14. Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology

    綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘彈性阻尼器對斜拉橋拉索的空間控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、外振動各階模態可能達到的最大阻尼比及相應的最優阻尼器系數,並對斜拉橋拉索的阻尼器設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何非線性,導出了索-阻尼器系統的空間非線性方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解非線性方程組的雜交方法,根據拉索-阻尼器系統的阻尼特性,在各種荷載作用下,對索-阻尼器系統的非線性瞬態響應進行了研究,從系統響應的角度更加直接地驗證了阻尼器的控制效果。
  15. In addition, vibration has great effects on uniformity of high fluid structural lightweight aggregate concrete. there is obvious separation of lightweight aggregate from mortar in mixture of high fluid structural lightweight aggregate concrete with slump of 220mm when vibrated for 10 minutes

    對大流性輕集料混凝土的勻質性十分不利,對坍落度220mm左右的輕集料混凝土拌和物,時間超過10秒,就會出現明顯的分層現象。
  16. None but is the test spectrum abundant and controllable, it is possible to simulate the stresses environment needed for exposing weakness of the product. based on summarizing the present status of the vibration test and vibration environment simulation technology in the world, the topic of simulation of super - gaussian random vibration environment with controllable frequency spectrum and its applications in reliability enhancement testing is put forward. the main content and conclusions of the dissertation are as following : 1

    本文在綜述國內外振動試驗技術和環境模擬技術的基礎上,引出「頻譜可控的超高斯隨機環境模擬技術及其在可靠性強化試驗中的應用」這一主題,並緊緊圍繞該主題開展了如下研究工作: 1 .全面分析了激勵的功率譜密度量級、幅值分佈、帶寬以及試件結構的固有頻率、阻尼比等因素對疲勞損傷累積的強化效應,提出強化試驗激勵信號應具備的重要特性:頻譜可控和超高斯,確立了本文的研究主題和方向。
  17. The fact that ir vibrating peaks of the carboxyl group have made a wide and split peak is explained in this paper

    解釋了該類配合物的羧基紅外振動峰是一寬峰且有劈裂的特點。
  18. Because the reality modes of structure mostly are vertical direction arch truss vibration, so model vibrations in outer plane are restricted in analysis. in experiment, the front three modes of vertical directions are achieved through vibration exciter in the structure

    由於結構實際型是以豎直方向的桁架為主,因此在分析時將模型平面外振動進行了約束,試驗中通過對結構進行激,利用共曲線測得結構豎直方向前三階型。
  19. The present develop level of the vibration measurement instrument in domestic and overseas, the meaning of developing and the basic character of vibration measurement instrument is also described

    ,還論述了國內外振動測量儀的開發現狀,開發現場總線測量儀的意義以及現場總線測量儀所應具備的基本特徵。
  20. Even more recent developments in the field of vibrational sound therapy have produced some remarkable results, clearly indicating the significant effects of vibrational frequencies on living organisms

    除此之聲音療法領域的新發展亦取得了顯著的成果,清楚地顯示了頻率對生物有重要的影響。
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