structural modification 中文意思是什麼

structural modification 解釋
結構變態
  • structural : adj. 構造上的,結構上的,組織上的。adv. -ly
  • modification : n. 變更,更改,修正;改良,改進;緩和;修改;減輕;限制;【生物學】誘發變異,變態,變體,變型;【語法】修飾;(用變音符號的)母音改變。
  1. Combining the results of modal experiment analysis on body - in - white and the results of finite element analysis, structural dynamics modification on the car front - body of a monocoque body has been made based on optimization algorithm

    結合轎車白車身試驗模態分析和有限元分析的結果,成功地對某承載式轎車車身的車頭子系統結構進行了基於優化演算法的結構動力學修改。
  2. Some research results are achieved as follows : ( 1 ) layout of lpg supply system and modification of body construction are carried out, and structural analyses of fuel supply bracket are performed. then fuel bottle with single - welding line and valve type specially used for lpg motorcycle is designed and fabricated, and boil - off pressure adjuster and mixing unit of lpg fuel supply are successfully developed

    主要工作和結論如下: ( 1 )完成了lpg摩托車燃料供給系的總體布置與整車改裝,及其燃料供給系支架與座墊支承的結構分析和抗彎加固;設計和製造加工出組合閥式、單焊縫結構的lpg摩托車專用鋼瓶;實現汽化調壓器與混合器的良好匹配及長縫式等比例式空氣與燃氣混合器的成功開發。
  3. Therefore, the structural modification of n - glycan and the functional changes of egf receptor ( egfr ) in different transfected cells were investigated. it was found that the 1, 6 glcnac branch on the n - glycans of immuno - precipitated egfr on gntv - s / h7721 cells was increased while it was reduced in gntv - as / h7721 cell despite the unaltered expression of egfr protein

    因此本文對不同轉染細胞egf受體( egfr )的糖鏈結構及功能的改變作進一步研究,結果發現,不同轉染細胞中,免疫沉澱egfr的蛋白量沒有改變,但gntv - s h7721細胞egfr上n -糖鏈中1 , 6glcnac分支比mock細胞增多,而gntv - as h7721細胞相反。
  4. Eight trapezoid labyrinth flow - channels are designed through modification to the cell dimension and the number of flow cells based on the parameterized structural design. integral emitter prototypes combining exterior hull and exterior flow - channel are built using rapid prototyping technique, and structural dimension of those flow - channel are measured by optical microscope, the measuring results showed that the design can completely meet the requirement of emitter accuracy

    文中以參數化的設計思想,通過改變梯形迷宮流道單元尺寸和單元數設計了8種梯形迷宮流道,採用快速成形技術製作出外管與內迷宮流道一體化的滴頭原型;利用最小標注尺寸為50nm的光學顯微系統對滴頭流道結構尺寸進行了測量,分析結果顯示流道尺寸精度完全滿足滴頭的製作要求。
  5. As for the viscous dampers " optimum installation in structure, the passive control strategy based on the structural sensitivity analysis and structural dynamics modification is proposed, and applied in energy dissipation and damping control of eccentric structures

    對于粘滯阻尼器在結構中的優化設置問題,提出了基於結構靈敏度分析與結構動力學修改的被動控制策略,並將其用於粘滯阻尼器對偏心結構的耗能減震控制。
  6. Based on the optimal topological, structural modification has been implemented ; and it makes the structure has higher first - order natural frequency and less weight

    在最優拓撲結構的基礎上進行結構修改後,一階固有頻率明顯提高,而重量有所減小。
  7. The total chemical synthesis, structural modification and structure - activity relationship of huperzine a have been systematically reviewed

    本文系統地綜述了石杉堿甲的全合成方法、結構改造工作及構效關系的研究。
  8. The total synthesis, structural modification and structure - activity relationship of huperzine a have been systematically reviewed

    本文系統地綜述了石杉鹼甲的全合成方法、結構改造工作及構效關系的研究。
  9. Structural modifications focus on increasing the minimum life of the wing main spar ( originally set at 800 hours ) have carried through several proposed progressive stages of modification with the intention of reducing fatigue problems and providing a life extension of up to 1, 250 hours for a complete refurbishment with a newly manufactured main spar

    機體結構上的修改著重於延長主翼梁的最低壽命( 800小時) ,以進行多次漸進式階段的改造方法來達到減少疲勞和延長壽命至1250小時的目標。
  10. The computation of the sensitivity of structural frequency response and its response modification

    結構頻率響應靈敏度計算及響應修改研究
  11. Structural dynamics modification of car front - body subsystem is crucial to the laboratory road simulation test in which it is used for testing instead of car body

    摘要對轎車車頭子系統進行正確的結構動力修改是利用其代替整車進行室內道路模擬試驗的關鍵。
  12. The recent policy modification emphasized the structural transformation of products and manufacturing regions, and made proper arrangements for the transitional period

    此次限制類商品政策調整重點在於商品結構和區域結構調整,並在過渡期等方面做了妥善安排。
  13. A pile testing method based on structural dynamic modification

    基於結構動力修改的樁基檢測方法
  14. Abstract : according to the dynamic demand of main shaft system, the structural dynamic modification method is used for correcting the stiffness of the supportings member and joints, so that the dynamic characteristic of main shaft system should meet the need of design. a practical structure of elastic supporting and elastic joints has been designed on the basis of corredcted stiffness of supporting and joint. the numeric simulation of main shaft system with elastic supportings and elastic joints are compared with its design requirement. their coincidence verifies the effectiveness of sdm method and the correctness of design method

    文摘:根據細紗機主軸系統的動特性要求,應用結構動力學修改方法來修正支承和聯軸節單元的剛度,以使主軸系統的動特性滿足設計要求.根據修正過的支承和聯軸節的剛度,一個彈性支承和彈性聯軸節的實際結構已經被設計出.比較具有彈性支承和彈性聯軸節的主軸系統的數字模擬與設計要求.其一致性證明了sdm方法的有效性和設計方法的正確性
  15. A new kind of algorithm on parallel mechanism structural errors detection and modification

    一種並聯機構結構誤差識別與修正的新演算法
  16. This method is developed on the basis of the theory of dynamic modification in structural dynamics and combines the theoretical analysis with testing to determine the stiffness and damping coefficients

    該方法應用模態分析中的結構動力修改與靈敏度分析理論,採用理論分析和實驗相結合的方法確定變壓器繞組剛度系數。
  17. The structural dynamic sa in project is of great importance for the study on dynamic design, optimization design, control theory and dynamic modification etc. and direct method, difference method and perturbation method for dynamic sa are adopted regular, though following shortages are obvious : only local impact of the factors on the model can be obtained ; model dependence ; the interval is usually the same for all of the variables and is not related to our degree of knowledge of the variables ; shortage of precision and so on

    工程結構的動態特性靈敏度分析對工程結構的動態設計、優化設計、控制理論和動態修改等方面的研究有著十分重要的意義。目前,結構動態特性靈敏度的分析法一般採用局部法,如直接法、差分法和攝動法。但是這些方法只能求參數域某點的靈敏度,不僅受模型、計算精度的限制,而且二階以上的靈敏度求解比較困難。
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