calculation of step 中文意思是什麼

calculation of step 解釋
煉油操作板數計算
  • calculation : n. 1. 計算,計演算法。2. 推定,預測。3. 深思熟慮,精打細算;慎重的計劃;算計。
  • of : OF =Old French 古法語。
  • step : vi ( pp )1 走;跨步。2 踩,踏上 (on)。3 跳舞,輕快地走,合著步調走。4 跨入,踏進。5 走上。vt ...
  1. An important step in structure design is the calculation of the ultimate flexural strength of external prestressed concrete beams, which needs to calculate the ultimate stress increment of external tendons first

    結構設計的一個重要環節就是極限承載力計算,而計算體外預應力混凝土梁的極限承載力就必須求得梁在破壞時的體外筋應力增量。
  2. A kind of mechanical patterned step - less variator with specified range of application has been introduced. the composition, working principle of this mechanism and its designing calculation were expounded

    摘要介紹了一種具有一定應用范圍的機械式無級變速器。闡述了該機構的組成、工作原理及其設計計算。
  3. Step 5 : calculation of first registration tax

    第五步:計算首次登記稅
  4. Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure

    文摘:不均勻的熱殘余應力及其變形是注塑成型加工中常見的工程問題之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式,數值模擬了成型中的熱殘余應力及其翹曲變形,並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響,發現溫度變化不均勻是注塑件翹曲變形的最主要原因,其影響遠大於壓力的作用,與工程實驗的結論一致
  5. Then this dissertation implements most of algorithm of non - uniform b - spline surface such as positive calculation, reverse calculation, knot interposer etc. based on the g0, g1 continuous conditions of uniform bicubic b - spline surface, the paper deduces the g0, g1 continuous conditions in the surface reverse calculation then implements it for each face. the last step is the data exporting

    然後運用非均勻b樣條曲面反算構造插值曲面,研究了雙三次非均勻b樣條曲面反算過程中的g ~ 0 , g ~ 1連續條件,並根據該條件針對不同的表面給出了相應的連續策略,實現了各曲面間的g ~ 0或g ~ 1連續。
  6. At last, a two - step fuel control system, which takes the radiation temperature as an intermediate controlled parameter is designed to improve the control character of boiler. control model and respective control strategy is introduced and simulation calculation result is demonstrated in this article

    最後,提出將爐膛輻射溫度作為中間被調量構成串級調節系統以改善鍋爐調節對象的調節特性,研究了相應的模型和控制演算法,文中給出了模擬計算結果。
  7. Subsequently the reduced mechanism is used for three - dimensional numerical calculation in the flow solver technology of star - cd. 2. different from the one - step irreversible reaction, a multi - step reaction combined time scale model is developed to the solve combustion - turbulence interaction firstly

    2考慮化學反應和湍流的相互作用,建立了有別于普遍採用的基於單步不可逆反應的混合湍流反應(時間)速率模型的新模型,即多步反應混合湍流反應(時間)速率模型。
  8. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時,使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法,將本課題的有約束條件問題化為無約束條件問題,並提出了最優步長參數的動態搜索法來修改傳統的梯度法,從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同,進而提出了最優初始狀態下最優周期控制的新概念,這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出:對于尚不具備實現最優控制條件的處理系統,可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  9. In the first step. 2861 surface wave recordings with seismic magnitude over 5. 0 are selected under the criteria of good - wave and " intact recording ", calculating the big - circle paths, and then about 284 two - station pairs of which two stations are along the same big - circle are chosen, among them there are about 260 pairs with difference of forward azimuth angle less than 5 ?. after further optimizing, 223 pairs which perfectly cover the china area are used in the final calculation

    本文首先從所收集的震級在5級以上2861條面波記錄中挑選波形好、記錄完整的資料進行預處理,計算其大園路徑,從中挑選出位於同一地震大園路徑上的雙臺地震記錄約284對,然後計算出前向方位角差,其差在5范圍以內的雙臺地震記錄約260餘對,量后對這些記錄進一步優化,選出223對對中國大陸地區覆蓋比較好的面波記錄。
  10. In order to simulate the construction process and the effect of concrete pouring temperature and outside temperature on temperature field and thermal stress field in the dam, temperature field and thermal stress field are calculated layer by layer. the calculation step during construction is 0. 25 day, and during operation the diffusion of hydration heat of concrete is over and elastic modulus is basically stable, changeable step is used

    為了研究施工進度、混凝土澆築溫度、外界溫度對壩體溫度場和應力場的影響,按碾壓混凝土施工方法每澆築一層(層厚0 . 3m ,澆築時間6小時)計算一次溫度場和應力場,這樣,施工期計算步長為0 . 25天,運行期因混凝土水化發熱已結束,且彈模基本穩定,故採用變步長計算。
  11. In the thesis, tracks programming of the cutting contact points are described in detail for the above two machining methods, including the key techniques of the determination of path interval and step length, the calculation of cutting contact point, and the interference disposal of the part boundaries and the island, which provide the foundation for the improve of the blades " machining efficiency and quality

    本文詳細介紹了上述兩種加工方法中切觸點軌跡規劃問題的實現,其過程包括走刀行距的確定、走刀步長和切觸點的確定、邊界的確定和干涉處理、島嶼干涉問題的解決等關鍵技術,為提高葉片的加工效率和質量奠定了基礎。
  12. Through experimental research, the calculation formula that the pressure highly - adjusted capacity of two cylinder chambers varied with the change of step load and the formula about hydraulic elements main parameter ( rated pressure ) were both made, which had important valuation in selecting the main parameter about this hydraulic system

    通過試驗研究得出了出口節流調速系統中液壓缸兩腔壓力超調量隨負載變化的計算公式以及出口節流調速系統中液壓元件主參數(額定壓力)計算公式,有利於正確選擇系統的元件及主參數。
  13. The static loads were placed step by step in time sequence in order to simulate the construction conditions of the dam during the calculation. the results of the analysis show that excess pore water pressure would not appear in the design section during the analysis results that the dam was statically stable and the construction process was reasonable

    在靜力分析過程中採用在時域上逐步加載的方法,模擬了壩體的施工填築過程,計算結果表明,設計斷面在貯灰過程中不會產生很高的超靜孔壓,壩體靜力穩定狀態較好,施工進度合理。
  14. This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage

    本論文介紹了國內外減震技術的發展和現狀;綜合分析了普通板式橡膠支座和鉛銷橡膠支座的工作機理、性能及參數的計算;提出了鉛銷橡膠支座標準化的概念;在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上,確定了鉛銷橡膠支座標準化的參數、減震目標、方法和過程;並根據抗震設防兩階段原則,結合橋梁地震振動理論的反應譜法,運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析;最後以圖表的形式給出了鉛銷橡膠支座標準化的結果,並說明了其使用方法。
  15. The key of the algorithm is identification of plant. based on analysis and calculation, the thesis presents the theory and method for minimum phase plant identification. the plant with uncertainty can be estimated through plant response to a short - duration step control effort acting directly on the plant so that the pdf control coefficients can be computed

    該演算法最重要的是對對象的辨識,經過大量的分析與運算,本文提出了在對象為最小相位時,辨識對象的階數及其高階項系數的理論和方法,即以階躍信號直接激勵被控對象,對其輸出信號進行差分運算,利用所得的值判定對象的階數及其高階項系數。
  16. The responses with the step or impulse disturbances of key process variables such as reaction temperature, pressure and feed charge are given and the agreements between dynamic model calculation and static model calculation are satisfactory. 6. the process simulation and optimization software with graphic user interface ( gui ) is developed with matlab language based on matlab platform

    浙江大學博士學位論文6 .在matlab平臺上開發了基於圖形用戶界面的專用重整模擬優化軟體,利用一套半再生重整工業裝置和兩套連續重整工業裝置數據對建立的過程模型進行了驗證,表明了模型的有效性和應用方便性。
  17. Combining quantum chemistry calculation with experimental evaluation, the activation energies of possible interfacial reaction were calculated. it is shown that the first step in which the atomic ti, c and si were decomposed from ti matrices and fiber, respectively, is a rate - controlling step because the activation energy of the step is larger than second one

    量子化學計算與經驗估算相結合,求出了可能發生的界面反應的活化能,表明第一步驟的活化能遠大於第二步驟的活化能,因而第一步驟是反應的動力學控制因素,在這一步驟中,原子態的ti 、 si 、 c分別從基體鈦合金和纖維中分解出來。
  18. It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time

    晶閘管具有過零、動作快速的特點,本研究以晶閘管為電容器和電抗器的分組投切開關,重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確定、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生諧振的處理計算方法,給出實現最佳補償投切選擇方法(測控系統、儀表變送系統、操作和保護系統的設計步驟) ,研製了一套高可靠性晶閘管觸發控制及保護系統,實現對無功的靜止可調補償。
  19. By the turbulence numerical simulation, the optimization calculation of some key factors that influence the stepped spillway overflow, such as the spillway slope, the step size, the transition steps and so on, are carried out

    本文首次應用數值模擬的方法對影響階梯溢流壩面流場特性的一些重要因素,例如壩面坡度、階梯尺寸、過渡階梯等,進行了優化計算。
  20. We urge swd to immediately inform each ngo of its respective salary benchmark level and the calculation of the step down process. this information is critical for ngos to assess their financial sustainability and will affect their decision on the assistance option

    我們促請社署盡快通知機構其薪酬基準水平和下調步伐,好讓機構能評估他們的財政可持續性和所需要的援助。
分享友人