mechanical wave 中文意思是什麼

mechanical wave 解釋
機械波
  • mechanical : adj 1 機械的；機械制的。2 機械學的，力學的；物理上的（opp chemical）。3 機工的，技工的；自動的；...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. Mechanics course mainly includes the description of movement of objects, the instantaneous effect of strength, spatial build - up effect of strength, temporal build - up effect of strength, nonindividual body mechanics, mechanical wave and sound, relativity, inalterability and covariability and mechanics foundation of the theory of relativity

    力學主要內容包括物體運動的描述，力的瞬時效應，力的空間累積效應，力的時間累積效應，連續體力學，機械波和聲，相對性、不變性與協變性和相對論力學基礎等。
  2. It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制
  3. Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level

    文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制
  4. Abstract : through comparative spinning experiments and anylyse of working principle, it is concluded that the yarn quality is raised, and the cv % value of eveness, slubs, nips and neps are reduced markedly by the use of high accuracy rollers without mechanical wave

    摘要通過對羅拉的工作原理進行分析，經過紡紗試驗對比，得出高精度無機械波羅拉可以提高紡紗質量，成紗的條干cv %值、粗節、細節、棉結都有明顯改善。
  5. The dynamic force - displacement relation curve is of crucial important to the design and operation of mechanical impact devices. using one - dimensional wave mechanics and characteristic line theory, this paper presents a testing method for determination of dynamic force - displacement relation curve from one - point strain measurement on an elastic rod endface. the principle of measurement, data processing method and experimental results for penetration into granite are discussed. 4figs., 5refs

    沖擊載荷下彈性桿端的作用力-位移關系曲線是沖擊機械繫統研究的重要內容.基於一維波動力學方程，應用特徵線方法，探討了已知一點應變求取彈性桿端的作用力-位移曲線的測試原理與數據處理方法，以及在花崗巖上沖擊鑿巖機具的測試結果，對一點應變測試法的可行性進行了論證.圖4 ，參5
  6. The results of the study show that, when compared with the reaction intensified with mechanical agitation, low - frequency ultrasonic wave can greatly promote the ester exchange reaction and shorten the reaction time

    研究結果表明，與機械攪拌增強反應比較，低頻超聲波可以大大強化酯交換反應過程，縮短反應時間。
  7. Mechanical impact dynamics is used to analyse the production and spread of stress wave when hydraulic pile hammer hammerblows piles, the stress wave influence the course of driving pile. slender hammer that is equal to wave resistance of the pile can bring ideal stress waveform. when the hammer weight is constant, efficiency of driving pile can be increased by means of selecting drive cap and cushion pad of different rigidity to match the hammer according to various geological condition and the pile. the structure and principium of hydraulic system of double - acting hydraulic pile hammer with double cylinders is studied in detail in the paper, the hydraulic system and electric control system of six - ton - double - actin hydraulic pile hammer with double cylinder is designed on the basis of it

    本文應用沖擊機械繫統動力學分析打樁過程中錘體與樁撞擊時應力波的產生、傳播以及該波對沉樁過程的影響。認為與樁等波阻的細長狀錘體能夠產生理想的應力波波形；在樁錘重量一定的情況下，可針對不同的地質情況和樁，通過選擇不同剛度的樁帽和樁墊與其匹配來提高打樁效率。本文對雙缸雙作用液壓打樁錘液壓系統的結構和工作原理進行了深入的研究，並在此基礎上設計出六噸雙缸雙作用液壓打樁錘的液壓系統和電控系統。
  8. Abstract : this paper uses the supersonics wave inspecting method for judging the damage degree of fire hazard tunnel lining, and puts forward the correlation of concrete supersonics wave speed with relative physics and mechanical properties through test, and gives evaluation and suggestion about conventional supersonics wave inspecting method used in fire hazard tunnel

    文摘:將超聲波檢測法應用於隧道火災后的初砌損傷評定，通過試驗研究給出了砼超聲波速與砼有關物理力學性能的關系，並對超聲波檢測常規方法在隧道襯砌火損后的應用給出了評價。
  9. In the calculation, the energy deposited in aluminum by proton beams is first calculated by m - c simulation, then a 1 - d elastic - plastic fluid model is used to simulate the following thermal shock wave process as a result of thermal - mechanical effect by proton irradiation. the shape of proton is taken as a rectangle pulse with a width of 0. 1 microseconds, the energy flux o

    對於3mm的鋁材料，入射粒子束為矩形脈沖（脈寬為0 . 1 s ）的情況下，計算得到了電子束、質子束輻照引起鋁材料斷裂的能注量閾值與入射電子束、質子束能量的關系曲線，該曲線存在最小值，分別對應6mev的質子束的34 . 7j cm ~ 2和0 . 35mev電子束的42 . 1j cm ~ 2 。
  10. A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space

    通過使用換流器電刷的組合作為一個機械整流器以使得電樞的端電壓為單方向的同時也使得由電樞電流所產生的磁動勢在空間是固定的。
  11. 800 commonly used in the high guesthouses, restaurants a high - intensity daily xici, mechanical strength high, thermal stability performance is good, leaded cadmium smelt a low - volume, unique high - intensity, naisuanjian, unleaded drugs, and yi washing performance test kitchen operations inverted wave collisions, not damaged, more suitable for mechanical washing, high - temperature steam sterilization, sustained high temperature ovens and microwave heating, and other modern lifestyle

    目前國外普遍使用於高級賓館飯店的一種高強度日用細瓷，機械強度高熱穩定性能好含鉛鎘熔出量低，還具有獨特的強度高耐酸堿無鉛毒易洗滌的性能，經得起廚房作業的顛波碰撞，不易損壞，更適宜於機械洗滌高溫蒸煮消毒電烤箱持續高溫和微波加熱等現代生活方式。
  12. Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc

    應用於工程的主要方法有反射波法折射波法波速測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基，地震勘探可以檢測其回填處理效果對于隧道工程，可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波速度，可以準確推算地基的承載力動彈模量等力學參數。
  13. The approaches of enhancing the mechanical properties of ramie and flax composites were studied in this paper. the effects of surface pretreatment, fiber content, molding temperature and pressure as well as the effect of electron beam, microwave and ultrasonic wave on the mechanical properties of the composites were explored. the experimental results show that : 1

    本文以苎麻、亞麻纖維為增強材料，線性低密度聚乙烯（ lldpe ）為基體，研製了兩種麻纖維層壓復合材料，研究了麻織物表面處理、纖維含量、成型溫度、成型壓力等對該復合材料力學性能的影響，得到了性能較為優異的麻纖維復合材料，探討了復合材料的增強機理。
  14. The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle

    在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內摩擦角、管土相互作用等;斷層考慮有斷層類型，斷層斷距，斷層錯動距離，斷層與管道的交角，斷層材料的考慮等;荷載分別考慮靜荷載，動荷載，其中動荷載包括線性位移加載、地震力加載和地震波加載等。
  15. Space - time wave has a far greater and wider significance than particle wave vibration. no matter what mechanical vibration, electromagnetic surge or vocal wave, they are all manifestation of space - time vibration or a certain wave in special scope, all of which are general phenomena in nature of both macrocosm and microcosm, and can be expressed by stwf

    時空波動比粒子振動或波動有更廣泛深刻的含義，凡有空間有物質存在的地方都存在著時空波動，無論是機械振動電磁振蕩聲音振動等均是時空波動的某種表現形式，或是在某個特定時空范圍的波動，這種自然界的普遍現象在宏觀或微觀世界都可用時空波函數表達出來。
  16. Spinning practice of rollers without mechanical wave

    無機械波羅拉的生產實踐
  17. Four - dimensional generalized symmetrical formalism in classical physics and quantum mechanics and mechanical wave theory

    經典物理和量子力學中的四維廣義對稱形式和力學波動論
  18. Ultrasonic is a kind of mechanical wave that frequency is upper 20khz. ultrasonic may be generated by many ultrasonic transducers

    超聲波是頻率高於20khz的機械波，它可由多種能量轉換器轉變而成。
  19. Ultrasound is a kind of high frequency mechanical wave which can effectively improve mass transfer and heat transfer, change physical - chemistry phase equilibrium, fasten chemistry reaction rate

    超聲波是一種高頻機械波，利用超聲振動、超聲空化能有效強化傳質、傳熱，改變物理化學相平衡，加快化學反應速率。
  20. Use experiments of various spinning apparatus in spinning supper - fine yarn have been done including the use of high - precision none - mechanical wave roller, new bottom - pin, anti - abrasive yarn guide, high - precision alloy ring and anti - twisting rubber - roller, etc

    摘要在細紗工序生產特細紗時，進行了各種紡紗器材的使用試驗，其中包括高精度無機械波羅拉、抗繞低硬度鋁襯不處理膠輥、新型下銷、高耐磨導紗鉤、高精密合金鋼領等。
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