mechanical characteristic 中文意思是什麼

mechanical characteristic 解釋
機械性能機械特性
  • 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；...
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. Early speed control systems on turbine all adopted pure mechanical hydraulic speed control systems, which had intrinsic defects. for example, the percentage of delay is large, dynamic regulation characteristic is bad, control accuracy is low, the operation is cockamamie, the running and maintenance are not convenient, and so forth. in order to solve these problems, it is necessary to substitute a completely new, advanced speed control system for previous mechanical hydraulic one

    早期的汽輪機調速系統均採用機械純液壓調速系統，機械液壓系統具有固有的缺陷，如遲緩率大、動態調節品質差、控制精度低以及操作繁瑣、運行、維護十分不便等，解決這些問題均要求採用一種全新、先進調節系統來取代原有的機械液壓式調節系統。
  2. With this purpose, this paper researches the state of dometic and overseas seal technique ; uses other enterprise ' s successful experiments for reference ; combines the factory set ' s structural property, technics characteristic and the different request of medium leakage degree ; considers the respective strongpoints of floating ring seal, conical floating seal, suction labyrinth seal, inflator labyrinth seal, mechanical seal, dry gas seal ; finds out the optimum, dependable seal techinique fiting for each set on the base of entire analysis on the centrifugal compressor. and in the end by putting this plan into practice the factory achieves localized reconstructs, reduces the production cost and fulfils the demands of secular safe use

    本文在把握國內外離心壓縮機密封技術的發展狀況，借鑒其他企業的成功經驗基礎上，根據我廠機組結構特性、工藝特性、介質泄漏程度要求的不同，以及浮環密封、錐形浮環密封、抽充氣式迷宮密封、機械密封、干氣密封的各自特點，對離心壓縮機存在的密封問題進行了全面剖析，研究了適合每臺機組最佳、可靠的密封技術，實施了本地化技術改造，降低了生產成本，滿足了機組長期穩定運行的生產要求，取得了顯著的經濟效益和社會效益。
  3. Through indoor routine tests, the physical and mechanical natures of intact and remolding soil of muck and mucky soil, in fuzhou, are analyzed in this thesis. the results reveal that water content, void ratio, shear strength of remolding soil samples are lower than those of intact samples. then qualitative analysis on the mineral composition, chemical composition and microstructure characteristic and types of the soft clay is given

    本文通過室內常規試驗對福州地區淤泥及淤泥質粘土的原狀土樣和擾動土樣的物理力學性質進行了分析，觀察土樣受擾動后一些物理力學指標的變化情況，發現擾動軟粘土樣的含水量、孔隙比、抗剪強度指標均比原狀土樣低；並從軟粘土的礦物成份、化學成份以及微觀結構特徵和類型上定性地分析。
  4. The relations between piezoelectric characteristic such as piezoelectric constant, electromechanical coupling coefficient, mechanical quality factor, etc. and its components, granular diameter and manufacturing technology were studied

    研究壓電材料壓電常數、機電耦合系數、機械品質因數等特性與其組份、顆粒直徑及製作工藝過程之間的關系。
  5. This paper firstly reviews two different kinds of terrestrial erosion ( the mechanical and chemical weathering mechanisms ), discusses their respective roles in providing carbon to the river, and compares the differences between the monsoon and non - monsoon drainage basins in flux and the characteristic of the riverine carbon transport

    首先就機械和化學風化兩種不同的陸地侵蝕機制在提供河流碳源方面所發揮的不同作用作了詳細論述，並比較了季風流域和非季風流域間河流碳輸移在通量及性質上的差異。
  6. 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
  7. Final, based on the analysis about physical and mechanical characteristic of three kinds of embankment fillings, advantage of light filling opposite stone filling is proved

    最後，在對路堤填料的物理力學性質進行理論分析的基礎上，論述採用輕質填料代替現在普遍使用的土石填料的優越性。
  8. 2. based on the mindlin ’ s solution of displacement, the distributing expressions of the shear stress and the axial force in anchorage are derived, and the mechanical characteristic of anchorage is analyzed, which indicates the mechanics of the support more deeply. the method of confirming the length of anchorage is proposed

    2 、根據mindlin 』 s問題的位移解，推導出了錨桿的界面剪應力和軸力分佈規律，並分析了錨桿的受力特性，進一步了解錨桿柔性支護的作用機理，在此基礎上提出確定錨固長度的計算公式。
  9. The principle of the predigestion in geometry modeling is omitting the function part and the non - load - carrying process structure, and to the big and transition arc, the curve is replaced by straight line using the thought of curve and free - surface segmentation. the physical characteristic of the digital model reflect on remaining the main mechanical characteristic of the objects. the shell element model is used in strength analysis, stiffness analysis and dynamic analysis

    文中幾何建模的簡化原則是，略去功能件和非承載的工藝結構，對于大圓弧和過渡圓弧，以曲面分塊和曲線分段的思想進行適當的以直代曲;數模的物理特性反映在最大限度地保留對象的主要力學特性;在強度、剛度和動態分析中採用殼元模型，輕量化設計中採用梁元模型;材料特性根據所用材料定義其主要性能參數。
  10. Experiment showes that the skew beam has the mechanical characteristic of coupling of bending and torsion. the skew beam has little influence on bottom slab and lateral slab

    試驗表明斜梁具有彎扭耦合的力學特性，主梁的斜向布置對側壁和底板的影響較小。
  11. At the meantime, the rock mass may alternate between loading and unloading and it exists in certain kind of liquid, such as surface water, unconfined water, confined water etc for its intrinsic crannies. the practical rock mass concerned project must solve the key stability pr oblem after the understanding of the complicated mechanical characteristic and the deformation trends to guide the following project design and construction for the demand of security, economy, feasibility and validity. however, the intrinsic nonlinearness and complexity of the engineering rock mass become the main difficulty to predict the stability and deformation, the corresponding structure design must ensure enough safety with all the determinate or random force combination, so a model without the geometry distortion and constitutive equation warp is necessary to be built for the quantificational analysis of practical structure ' s stress, for the simulation of the real process and for the determinate evaluation system and optimization

    由於實際工程巖體其固有的非線性和復雜性，使得求解對應的諸如其穩定性、變形等問題面臨較大的困難，而有關的工程結構的設計必須保證該結構在外來因素的作用下具有足夠的安全度、經濟性和合理性，這必然要求對巖體及其工程結構的受力與變形有一套量化評判體系和優化技術，抓住實際工程問題的本質特徵並建立可行的符合幾何模擬、本構模擬、受力模擬、過程模擬四原則的求解模型，通過該模型的數值模擬成果來指導巖體工程的設計、施工及運營、管理；而巖體結構面的存在使得基於傳統連續介質力學理論的理論分析和數值模擬面臨巨大的挑戰，物理模擬的試驗周期和成本也大大增加，而巖土體工程問題則成為典型的數據有限、了解程度有限類問題，這類問題的解決需要綜合應用理論分析、經驗判斷、物理模擬和數值模擬等方法，數值模擬可以完成目前許多技術手段無法完成的實驗，如參數控制，復雜條件下的邊界條件的處理，同時數值模擬具有高可重復性，且數值模擬的成本和人力開銷等遠低於物理模擬，因此研究巖土體工程問題的流形元數值模擬方法是一項具有理論和實際工程應用價值的重要課題。
  12. Superior mechanical characteristic, better impact and bending resistance, bending radius loss insignificant for 2mm

    機械強度高，具有良好的抗彎曲抗沖擊能力，其中彎板強度達到彎曲
  13. At present, limit equilibrium method is one of the conventional slope stability analysis methods. it ca n ' t consider nonuniformity of mechanical characteristic of landslide body and its rock bed and the effect of stress distribution on the gilding surfaces, since the rigid body assumption is adopted in this method. furthermore, this method ca n ' t accurately consider inactive forces between slices

    目前常用的邊坡穩定分析方法中的極限平衡法由於採用了剛體假定，無法考慮塌滑體及其基巖力學特性的不均勻性和滑動面上應力分佈的影響，此外還不能準確考慮條塊間的作用力，而另一種常用的邊坡穩定分析方法? ?常規有限元分析方法，當滑動面全部處于屈服狀態或邊坡的實際抗滑穩定安全系數小於1時無法求解。
  14. Based on the large finite element software, the excavation effect on rock slope with the representative physical and mechanical characteristic is analyzed in this paper

    論文基於大型有限元軟體，對具有代表性物理力學特徵的巖質邊坡進行了開挖效應的有限元模擬。
  15. In the process of filling road embankment on soft soil ground, the method of calculating dynamic settlement can dynamically calculate the ground settlement by the physic - mechanical characteristic changing of the ground soil in the process of filling the road embankment, then dynamic estimating the ground settlement, and can control the filling velocity emphasising the supervision in the process of construction, so we can adopt the valid measure to insure the stability of roadbed and the permit settlement after construction

    摘要在軟土地基路堤填築施工過程中，動態沉降計算方法可根據地基土層在路堤填築過程中的物理力學特性的變化，逐步調整相應的計算參數，對地基沉降進行動態計算，從而對地基沉降量進行動態預測，用以控制填築速率，並採取有效的措施確保路基的穩定性和滿足工后沉降量的要求。
  16. First, a series of mechanical characteristic tests for lead - rubber bearing was taken. the relations among the mechanical properties of lead - rubber bearing with its different structure dimension and load have been studied

    首先，通過鉛芯橡膠支座的力學性能試驗，系統研究了鉛芯橡膠支座的力學性能與其結構構造及外加荷載之間的關系。
  17. The skew beam completely changes the structure ' s mechanical characteristic. so far there is not yet a calculation method that can be accepted in pubic, which make designer into great trouble in designing this kind of structure

    主梁的斜向布置完全改變了結構的力學特性，目前還沒有一種簡便且行之有效的實用分析計算模型，這對設計部門來說是非常棘手的事情。
  18. Firstly, the structure ' s geometrical design parameters are expressed with the discrete design variables. secondly, the structure ' s mechanical model that based on the elastic material mechanical characteristic and a certain enclasped state and enclasped thinking of multi - layers " shell is established

    首先給出描述組合圓筒裱糊裝配結構幾何狀態的幾何特徵參數的定義，以及幾何特徵參數與設計變量即彈性墊層厚度之間的幾何關系。
  19. In this paper, the over voltage induced by re - ignition, rules of breakdown in vacuum contact clearance, factors which influence dielectric strength of clearance and characteristics of re - ignition when vacuum switchgear switch capacitor banks are analyzed. the conclusion is that the breakdown of clearance in vacuum interrupter is the direct cause which inducing re - ignition of vacuum circuit - breaker in capacitor banks ’ switch. particle breakdown is the essential reason to induce breakdown in clearance of vacuum interrupter, although mechanical characteristic of vacuum circuit - breaker is another factor

    本文通過對真空開關投切電容器組重燃過電壓、真空觸頭間隙擊穿機理及影響真空間隙介質強度的因素、真空開關投切電容器組重燃現象特點進行分析研究發現，真空滅弧室斷口的真空間隙擊穿是導致真空斷路器投切電容器組重燃的直接原因，其次是真空斷路器機械性能的影響，而微粒擊穿是導致國產真空滅弧室真空間隙擊穿的根本原因。
  20. Analysis of mechanical characteristic of stone pile composite ground under flexible foundation

    柔性基礎下碎石樁復合地基力學特性分析
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