時間變形 的英文怎麼說
中文拼音 [shíjiānbiànxíng]
時間變形
英文
timewarp-
When the specimens are deformed in a long time at the optimal superplastic deformation condition, the microstructure is coarsened sharply. if the deformation time is shortened properly or the deformation temperature is decreased appropriately or strain rate is increased, homogeneous and fine equiaxed crystal microstructure can be obtained
在最佳超塑性條件下長時間變形時，合金顯微組織將發生明顯粗化，適當縮短變形時間、或適當降低超塑變形溫度及提高應變速率，可得到均勻細小的等軸組織。When the preformed magnesium alloy ' s texture was globalizing, there were two important control factors, which were holding temperature and holding time, affecting the globalization processing
研究結果表明： 1 、等溫溫度和保溫時間是形變鎂合金組織球狀化的兩個重要控制因素。The number of modes should be selected according to the participant coefficient of mode when calculating the internal force by the response spectrum method ; ( 4 ) the roof plate of large base which connect the towers together should be thick enough but not exceeding the proper scope that the towers and the large base can vibrate together, ( 5 ) in structures with large base and muti - towers, with increasing of the capacity of the large base, the inter - story shear force will increase while the inter - story displacement will decrease as to fulfill the ductility request to avoid the large base becoming weak story, but meanwhile, the upper story will turn into weak story, thus the coefficient r s should be within 2. 0 ~ 3. 0
採用振型分解反應譜法計算結構內力時應根據振型參與系數選擇振型避免漏選；大底盤多塔樓結構連接各塔樓的裙房屋面剛度應做得大些，以保證底部裙房與上部塔樓共同振動，但也不能過剛；大底盤多塔樓結構底盤承載力的加強將使底盤層剪力增大、層間變形減小，但易於滿足延性要求，在一定程度上可避免底盤成為薄弱層。但底部加強會導致薄弱層的上移，因此採取提高底盤承載力的措施的效果是有限度的，承載力系數s宜取為2 . 0 3 . 0之間。Observation of the on - off sequencing of characteristic spectral lines from tracer materials arranged in layers in, or surface patterns on, planar or spherical targets can provide a record of radial or lateral energy transport processes in laser - generated plasmas
測量激光聚變靶產生的軟x射線時間變化連續譜的形狀，可以知道許多x射線產生過程的詳細動態記錄，這有助於理解實驗的熱學條件。觀察軌跡特徵譜線的閉合序列，能提供關于激光等離子體激發能量和滯后能量的傳輸過程記錄。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。Takes the case of beijing city, this dissertation mainly studies the spatial distribution characteristics and temporal change trend of urban land price in different uses, and explores the spatial structure of land price and the mechanism of its formation, in order to supply some references for city function zoning, optimizing city land use structure and regulating city land market
本文以北京市為例，主要研究不同用途城市地價的空間分佈特徵和時間變化趨勢，揭示城市地價空間結構及其形成機制，為確定城市功能分區、優化城市用地結構和宏觀調控城市土地市場提供依據。This has an important meaning to the industrial manufacture. dsc, waxd and polarizing microscope with hot stage experiments were performed to describe what led the ssp rate acceleration of pet / mmt. it was shown that montmorillonite acted as a very good nucleating agent in pet crystallization process, which results in the lower crystallinity, more small microlites, and more surfaces of microlites
為研究pet mmt固相縮聚效率提高的原因，通過熱臺偏光顯微鏡、 dsc 、 x -射線衍射等手段對樣品的結晶進行觀察與分析研究，結果表明蒙脫土對pet的結晶有明顯的成核作用，使其晶核生成速率迅速提高，晶核數量明顯增多，從而使整個結晶過程的時間變短，同時形成了更多結構不完善的微晶體。The deformation of the structure changes very fast as the loads change with time. the effect of the inertia force ca n ' t be ignored
由於外加的載荷隨時間變化得很快，結構的變形也變化得很快，慣性力的作用將不可忽略。Control chart is a kind of charts that are used to analysis and determinate whether a process is in - control or not. it use a graph to illuminate the quality variations in production process, and help to find the sources of the variations - common causes or special causes. it is a useful statistical method to keep a process in a stable situation
控制圖是用於分析和判斷工序是否處于控制狀態所使用的帶有控制界限的圖，它通過圖形的方法，顯示生產過程隨時間變化的質量波動，並分析判斷它是由於偶然因素還是由於系統因素造成的，從而提示管理者及時採取相應的措施，消除系統因素的影響，保持工序的穩定狀態而進行的動態控制的統計方法。12 daws c, yovine s. reducing the number of clock variables of timed automata. in proc. the 17th ieee real time systems symposium, rtss 96, washington dc, usa, december 1996, ieee computer society press, pp. 73 - 81
如果從某一個位置l出發，一個時間變量x在被重置之前，不會被任何轉換用形如xFormats 03, marseille, france, september 6 - 7, 2003, lncs 2791, pp. 34 - 45. 11 kalus havelund, arne skou, kim g larsen, kristian lund. formal modelling and analysis of an audio video protocol : an industrial case study using uppaal
如果從某一個位置l出發，一個時間變量x在被重置之前，不會被任何轉換用形如x c或者xc的條件測試，那麼符號狀態l ， d中的所有形如x - y( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope
（三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated
全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律，並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構，對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究，並分析了流向渦隨時間變化的發展、運動規律。Analysis of prototype with frame - bent in the longitudinal direction and frame - shear wall in the transverse direction under the earthquake with peak acceleration 50gal. is conducted. the following subjects are concerned : the dynamic properties, the torsional effect on the structure, split lever influence on the distribution of the shear forces in the columns, the mechanic of the frame corporation with the bent
在試驗研究的基礎上，對橫向框排架、縱向框架?剪力墻結構的整體廠房進行平扭耦聯的地震反應分析，研究了該類結構的動力特性、扭轉對整體結構受力的影響、層間變形及扭轉效應、框架與排架的內力分配、錯層對該層各柱剪力分配的影響、相應的簡化計算方法等相關內容供設計時參照。Numerical viscoelastic modeling for porphyroclast rotation in ductile shear zones is done by a viscoelastic finite element program based on detailed investigation to three ductile shear zones, the taihangshan mountains, north china. in this model porphyroclast garnet is assumed as isotropic elastic material with small elastic deformation, while the matrix quartz, feldspar as viscous fluid maxwell material which has increasing deformation with time. the viscosity of matrix is supposed to be 10
採用粘彈性力學分析程序對太行山阜平地區剪切帶中斑晶旋轉問題進行了有限元數值模擬。在計算模型中假定：石榴石斑晶為彈性材料，在應力作用下只產生很小的彈性變形石英長石質的基質部分為粘彈性材料，它具有隨時間變形不斷增大的特性。Fig 2. epa content in egg yolk with different dietary fish oil content and experimental time
圖2 .飼糧中添加魚油對蛋黃中epa含量之時間變化圖形。Through approximating the deformation space by using curve and surface offset techniques, we obtain a unified space deformation model. thus the sampling problem is solve naturally at the same time, we provide a unified kernel for the implementation of different space deformation models
通過對曲線、曲面控制變形中的變形空間進行等距逼近的方法，我們實現了一個一維、二維、三維控制手段的統一空間變形模型，這種統一不但自然地解決了曲線、曲面控制變形中的采樣問題，同時為實現各種空間變形提供了一個統一的數學模型。Considering the characteristics of internal force and structures of simply supported pc bridges, a novel automatically step - up method ( asum ), taking into account the influence of steel arrangement, steel ratio, stress losses of tendons and time - dependent concrete modulus, to analyze creep and shrinkage effects is presented. this method accepts all kinds of expressions of creep and shrinkage, and it is easy to calculate total stress, strain of concrete and steel and deflection of bridge at any time, the expected prediction accuracy will be obtained by further dividing the time - step within duration
首先，針對預應力混凝土簡支梁橋的受力特徵和構造特點，提出了徐變效應分析的全量形式自動遞進法，可考慮截面上鋼筋位置、配筋率、預應力鋼筋鬆弛、混凝土彈性模量隨時間變化等影響，且計算式可適用於任何形式的收縮、徐變特性表達式；建立的公式可方便地求解任意時刻混凝土、鋼筋的應力與應變和跨中梁體的豎向變形，計算精度可方便地通過計算時段的細分來控制，直至給出滿意的結果。Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided
文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組，分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別，提供了長江口波浪變形數值模擬計算工程實例.實例表明，該模型能適應河口三角洲大范圍水域波浪傳播數值計算The resulting semi - solid mixture then flows homogeneously, figure 1, behaving as a thixotropic fluid with viscosity depending on fraction solid, morphology, shear rate and time
這樣最終形成的半固態混合物會均勻地流動（圖表1 ） ，並依據固體粒度、晶形、剪切速率及時間而形成粘性觸變液體。分享友人