opening angle 中文意思是什麼

opening angle 解釋
導入角
  • opening : n 1 開，開放；開始，著手；開端，開頭；開場，開幕。2 口，孔，縫，洞；空隙；通路。3 空地，空場；〈...
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角，隅，角落；棱，嬗角。2 【數學】角，角位，角的度數。3 【機...
  1. Crack tip opening angle, ctoa

    裂尖張角
  2. Therefore, under the certain condition of the profile of open channel, the size of long and narrow plate and installation, the flux can be achieved from the equal flux curve if the opening angle of the plate and water depth in front of the plate are accurately determined

    在確定渠斷面、細長板尺寸以及安裝布置條件下，只要準確測得細長板開啟角與板前水深，便可利用等流量線圖得知此時的流量。
  3. In consideration of the fact that there lacks a reasonable method suitable for wide application in flux measurement for considerable lateral canals and ditches, a new method based on the relationship between the opening angle of long and narrow plate and flux of open channel is put forward

    摘要針對灌區目前缺少適用於面廣量大的斗、農渠，以及適合大面積推廣應用的量水方法等問題，提出一種基於細長板開啟角與明渠流量關系的量水方法。
  4. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  5. I had coasted along the lower wall of the orchard - turned its angle : there was a gate just there, opening into the meadow, between two stone pillars crowned by stone balls

    我信步朝果園的矮墻走去，在拐角處轉了彎，這里有一扇門，開向草地，門兩邊有兩根石柱，頂上有兩個石球。
  6. Two section of speed adjustment, maximum angle of opening is 180

    二段速度調節，最大開啟角度180度。
  7. At last, it puts forward opinions about the development of information organization research from a big angle of view for information organization, unceasing opening up the domain and the development of achievements

    最後從大視角看信息組織、不斷拓寬領域和拓展成果等方面提出了信息組織研究發展的看法。
  8. For wide lids with 2 cover stays you have the possibility to release the 2 stops, by applying 2 eyelets connected by a steel wire. dimensions x and y determine the opening angle

    對于有兩個撐擋的寬上蓋，用戶可利用兩個鋼絲連接的眼圈來釋放兩個固定位。尺寸x和y決定開啟角度。
  9. The main achievements are as follows : 1 it ' s for the first time to extensively investigate effects of main combustion system parameters such as plunger diameter, plunger stroke, fuel delivery advanced angle, valve opening pressure of nozzle on performance of dme engine. the parameters are optimized

    取得的主要成果有： 1系統地研究了油泵柱塞直徑和行程、供油提前角、噴嘴啟噴壓力等發動機燃燒系統主要參數對二甲醚發動機性能的影響，優化了這些參數。
  10. In order to transmit the data collected to the upper control center, the rs485 network bus technique has been employed in the monitoring system to complete the function of communication between the microcontrollers and upper pc computer. in order to implement the automation of production process, we use fuzzy control algorithm routine in the single chip. lt can adjust the opening angle of electric valves with corresponding voltage according to the real - time material level that measured and so the automation control of material level was implemented

    為了實現生產過程的自動化控制，在總結人工手動操作經驗基礎上，單片機控制系統中採用了模糊控制演算法，可以根據實時採集到的高度值輸出相應的電壓控制量來調節輸料管閥門的開度大小，從而實現對料位高度的智能控制。
  11. Crack opening angle, coa

    裂紋張開角
  12. Experimental result shows that the non - uniform flux of open channel is single - valued corresponding to the opening angle of the plate and water depth in front of the plate, and satisfies the dualistic function

    通過試驗可知：細長板開啟角度、明渠非均勻流流量與板前水深三者單值對應，並滿足二元函數的變化關系。
  13. Method does not write the closing angle bracket of the markup element s opening tag

    方法不寫入標記元素的開始標記的結束尖括號（ > ） 。
  14. Method automatically writes the closing angle bracket of the opening tag of the element, unlike the

    方法自動寫入元素開始標記的結束尖括號（ > ） ，這與
  15. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公式來計算三偏心蝶閥的動水力矩，誤差比較大，本文根據三偏心蝶閥的結構特點，利用理想流體的定常、無旋流動的假定，用有限差分法在直角坐標系中求解拉普拉斯方程，得到蝶板截面上的壓力分佈，從而計算出蝶板在各個開度下的動水力矩，設計出了求解的程序，給出了程序運行的結果並進行了數據處理從而得到了動水力矩曲線，總結了它的變化規律。
  16. Lid - opening angle can be arbitrary regulation

    熱蓋開啟角度可任意調節。
  17. Represents the opening angle bracket

    Htmltextwriter . tagleftchar欄位表示標記的開始尖括號
  18. Method renders the opening angle bracket

    方法呈現左尖括號
  19. From the angle of the further development of dalian " s tourism, this dissertation firstly makes a full - scale investigation of the field of dalian " s tourist resources and tourist market, analyses the present situation and problems of the development of tourism, probes into dalian " s tourist image, the strategic thinking and the opening up of tourist products

    本文從進一步發展大連旅遊業角度著眼，對大連旅遊資源、旅遊客源市場進行了較為全面考察，分析了旅遊業開發現狀及存在問題，進而力圖提煉出大連的旅遊總體形象與發展布局，並以此為中心，建議開發出相應的系列旅遊產品。
  20. Today, the night of shanghai, the highlighted bund, the bridges, the viaducts, the avenues, the skyscrapers and the residential buildings, they all combine to form a unique visual angle that most vividly reveals the city ' s prosperity and vitality brought about by china ' s opening and reform

    看今日夜上海，燈火中的外灘、大橋、環線、大街、高樓和民宅構成了一個個獨特的視角，最直觀地展示著中國的改革開放所體現的繁華和活力。
分享友人
分享到 Line

分享到臉書