振動分級 的英文怎麼說

中文拼音 [zhèndòngfēn]
振動分級 英文
vibration separation
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對摩擦力和地震響應進行付氏數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時,文中從研究單質點結構的滑慣性力入手,進而對多質點結構體系滑反應進行探討,別給出了結構滑隔震的自身穩定條件。最後,本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了力模擬模擬析,進一步證實了基礎滑移隔規律。
  2. This machine is comprised of screen box, vibration source and damper, vibrating frame and screen box are connected with 4 - 12 group soft rubber damp - ers fixed up and down, and the centrifugal force is generated therein, the floating ampli - tude is controlled by the damper, by which, material realizes a process of throw and lami - nation filtration downward, and therefore reach - ing the optimized grading and screening ef - fect

    本機由篩箱.源及減震器三大部組成.機架與篩箱連接有4 - 12組軟橡膠減震器上下固定,產生離心力,由震器控制浮幅,使物料有一個向下拋震和向下層過濾的過程,從而達到最佳過篩的效果
  3. First, the separation between energy levels in a solid is comparable with the energy that electrons constantly exchange with phonons ( atomic vibrations )

    首先,固體中能離與電子和聲原子持續的交換能相比擬。
  4. Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1

    依據理論建立了具有彈性支撐的輸出軸的力學析模型,根據周期函數的傅里葉數展開原理,將復雜的激解成為多個頻率成整倍數關系的簡諧激勵函數,導出了態響應表達式,結果表明,當載荷配不均勻系數為1 . 0時的輸出軸兩端支撐同步。
  5. After crushed and granulated, they ll pass through the vibration sieve to be graded, and granules which meet requirement can be obtained. powder after the sieve will return to the vibrastion hopper to be granulated circularly

    料片落入破碎整粒機整粒后進入篩過篩,得到符合要求的顆粒產品,篩下軸粉返回料斗循環制粒。
  6. Such photons will excite the higher vibrational levels of the oh molecule.

    這種光子會激發OH子的較高
  7. The application practice of derrick high frequency vibrating fine screens in mineral classification and dewatering

    德瑞克高頻細篩在礦物和脫水中的應用
  8. Product info : the vibrating screen with circular motion is specially designed for quarry to separate crushed stone material into different sizes, and is dressing, cibstruction matefial, elecric and chenueal industies. it has a feature of advanced structure, powerful vibrating forces, low vibration noise, easy maintenance, high durability and etc

    上海林滬實業有限公司專為採石場篩料石設計生產的「山友」牌系列篩,運軌跡呈圓周,也可用於選煤選礦建材電力及化工部門等作產品用,本公司產品具有結構先進激力強噪音小易於維修堅固耐用等特點。
  9. Random process theory is a kind of effective mathematical tool to handle random vibration problem. through frequency spectra and time domain analysis for random course, the seemed complex vibration time - history can be transferred to trigonometric function series, thus makes it have certain periodic feature

    隨機過程是處理隨機問題的一種有效的數學工具,通過對隨機過程進行時域析和頻譜析,可以將看似非常復雜和毫無規律的隨機表示為三角函數的數形式,從而使其具備了一定的周期性特徵。
  10. Suitable for dewatering, medium drainaging, spraying, dry and wet classfying in coal, mining, met allurgical ore dressing, highway, railway, power, chemical ldustries, light sugar makyng and salt making industries. with high capacity and efficieney

    系列篩適用於煤炭、礦山、冶金選礦、公路、鐵路、電力、化工、輕工、製糖、制鹽對物料的脫水、脫介、脫泥和干濕式,具有處理能力大和篩效率高等優點。
  11. Raman spectroscopy ( rs ) is a kind of molecule scattering spectroscopy, which is characterized by the frequency excursion that caused by interactions of molecule and photon to show the information of molecule. the frequency excursion reflects the margin between some certain vibrational or rotational energy states

    拉曼光譜是一種子散射光譜,通過與子相互作用的光子產生的表徵或轉差的特徵頻移,來反映子結構或成的信息。
  12. Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells

    本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響,為準確計算加筋雙層殼在水下和聲輻射特性奠定了基礎。
  13. Finally, the improved method is utilized to identify data acquired by vibration test of a honeycomb sandwich structure with different magnitudes, locations or vibration directions, and the identification results are used to analyze the characteristic of the structure in order to guide the further study of satellite structure ’ s design

    最後利用改進后的dbm方法對幾組在不同量、不同方向、不同測點的蜂窩板夾層結構的數據進行辨識,並利用辨識的結果對于結構的力學特性進行析,從而為實現對衛星結構的設計提供依據。
  14. We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise

    在實驗過程中,改進了對車輪的激方式,利用單擺激提高了激力的精度;實驗析了車輪阻尼器的結構、安裝方式及其力學參數對車輪阻尼器降噪效果的影響;也析了車輪與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性,確定了車輪阻尼器所要控制的頻率范圍;對比析不同激情況下,踏面徑向與輻板軸向對噪聲聲壓的貢獻比例。
  15. By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated

    根據我國干線鐵路軌道譜,採用三角數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數;根據秦沈客運專線高速試驗段軌檢車資料,採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數;在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波;用隨機變量描述道床橫向剛度,並進行了隨機模擬;將理論和穩定理論結合建立系統的析模型和運方程;根據monte ? carlo法編制了車輛?軌道耦合系統隨機析程序,進行了無縫線路隨機力響應析,通過試驗對計算模型、計算方法進行了驗證。
  16. Such photons will excite the higher vibrational levels of the oh molecule

    這種光子會激發oh子的較高
  17. Based on the theoretical analysis and experimental researches, it is presented that the wider spectra are resulted from the many fluorophores with large numbers of vibrational energy levels on the ground level in the blood cells, and the reduction of the spectral intensity is due to the reabsorption of the blood cells and the energy transfer of the collisions between the fluorophore and another one or other macromolecule. on the other hand, when the concentration of the blood cells is increased, the reabsorption of the blood cells, the secondary fluorescence due to the reabsorption and the influence of the concentration on the energy levels of fluorophores are all the factors of the red - shifted spectral peaks

    在進行理論析和研究的基礎上,提出了因血細胞中存在多種熒光團,且這些熒光團的電子能上又存在大量的不同的,從而導致被激發的熒光團發出較寬的熒光光譜;血細胞濃度的增大,熒光團以及其他大子之間的距離變小,造成它們之間因碰撞的能量轉移概率加大,因而易產生熒光猝滅,結果導致熒光強度的變小;血細胞溶液中重吸收所導致的熒光猝滅和二次熒光發射,以及血細胞濃度的變化對其中熒光團能系統的影響都是導致熒光峰值波長「紅移」的原因;進而研究了led光誘導血細胞產生熒光光譜的機理。
  18. Our group has prepared nanometer - scale metal films in layer structures on glassy carbon ( gc ) substrate by cyclic voltammetric deposition. by using co as probe molecule, we have revealed for the first time, abnormal ir effects ( aires ) on these layer nanostructured films. the alres consists of several abnormal ir features including the enhancement of ir absorption, the inversion of ir band direction ( anti - absorption ), and the increase of fwhm ( increase of the number of different adsorption sites )

    本研究小組採用電化學循環伏安電沉積法在gc基底上制備層狀納米結構金屬薄膜,以co作為子探針,觀察到異常紅外效應( aires )光譜特徵,即co等探針子發生紅外吸收增強、紅外譜峰方向倒反(反吸收)和譜峰變寬(離散程度增加) 。
  19. Acoustics. reference zero for the calibration of audiometric equipment. reference equivalent threshold force levels for pure tones and bone vibrators

    聲學.聽力設備校正的標準零點.第3部:純音和骨傳導器用標準等效閾力
  20. Based on apdl, the design language of finite element analysis software ansys, and visual c + +, the software on acoustics design of underwater cylindrical shell structure is developed. when input parameter of the cylindrical shell in the interface redeveloped in this paper, the software execute the batch file of apdl in the vc process to establish the finite element modal and carry out the analysis, the analysis result and the vibration mode can also be displayed. furthermore, the software has been developed to process the acoustics optimization design of the finite cylindrical shell with stiffener in appointed frequency range

    本論文從便於工程實際應用出發,對使用有限元析軟體進行二次開發以方便結構析及改進結構設計的方法和過程進行了研究,在此基礎上對水下航行器圓柱殼體的結構聲學特性進行了析,在指定頻率區間,對結構以輻射聲功率為目標函數進行了部參數的結構優化設計,與此同時,為了方便有限元析軟體的使用和簡化設計過程中大量重復的工作,利用ansys提供的參數化設計語言apdl ( ansysparametricdesignlanguage )結合vc對有限元軟體ansys進行了二次開發,形成了一體化的水下圓柱殼體結構聲學設計軟體。
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