有用束流 的英文怎麼說

中文拼音 [yǒuyòngshùliú]
有用束流 英文
primary beam
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 有用 : useful; serviceable
  1. Seen now, in broad day - light, she looked tall, fair, and shapely ; brown eyes with a benignant light in their irids, and a fine pencilling of long lashes round, relieved the whiteness of her large front ; on each of her temples her hair, of a very dark brown, was clustered in round curls, according to the fashion of those times, when neither smooth bands nor long ringlets were in vogue ; her dress, also in the mode of the day, was of purple cloth, relieved by a sort of spanish trimming of black velvet ; a gold watch watches were not so common then as now shone at her girdle

    這會兒大白天，她看上去高挑個子，皮膚白皙，身材勻稱，棕色的眸子透出慈祥的目光細長似畫的睫毛，襯托出了她又白又大的前額，兩鬢的頭發呈暗棕色，按一流行式洋束成圓圓的卷發，當時光滑的發辮和長長的卷發，並沒有成為時尚。她的服裝，也很時髦，紫顏色布料，用一種黑絲絨西班牙飾邊加以烘托。一隻金錶當時手錶不像如今這么普通在她腰帶上閃光。
  2. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面： （ 1 ）對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究，為建立一個較為完備的自導模擬系統提供了理論基礎； （ 2 ）討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響，建立回波信號的數學模型、環境場中的噪聲信號模型（包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等）與海洋混響模型，模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號； （ 3 ）深入研究並建立了自導模擬系統的總體框架，給出各個具體功能模塊組成，討論了聲自導系統對信號的時域與空域處理，並結合模擬程序中陣列信號處理模塊，給出固定多通道波束形成的模擬實現過程； （ 4 ）根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體，通過網路與控制系統相連，組成完整的魚雷模擬器。
  3. The button electrode is one that widely used in high energy rf accelerators, such as storage ring, and the bpm made of button electrodes has many merits like high accuracy, high resolution, resisting magnetic field, simple machinery, without magnetic core and low cost, etc. so we want to use the button electrode as the bpm in high current accelerators like the lia

    鈕扣電極束位置探測器是一種廣泛應用於射頻加速器儲存環等高能弱流加速器的一種束位置測量裝置，它具有測量精度高、解析度高、不受磁場干擾、機械結構簡單、無磁芯、造價低廉等特點。只是，至今未見有關這種束位置探測器在強流加速器（如，直線感應加速器）上應用的報導，如能將鈕扣電極束位置探測器應用於lia ，將是一件很有意義的事情。
  4. Due to information ' s disturb effects on the enterprise decision and the business process, as well as the different influences of tod and toc, this paper suggests the use of mutual mode in the tod and toc can support enterprise decision accurately and effectively

    基於信息在企業決策與業務流程中的擾動作用，以及決策論與約束論對企業決策的不同影響，提出採用決策論與約束論互動方式，有效、高速、準確的支持企業決策。
  5. Abstract : an algorithm is presented for better legal solution in detailed placement of large scale mixed macros and standard cells ic design. due to the limitation of computing complexity, an effective and efficient initial placement is very important for detailed placement. novelty of this algorithm lies in a better solution at initial stage by using network - flow method to satisfy row capacity constraint and the thought of linear placement problem ( lpp ) to resolve overlaps. moreover, divide - and - conquer strategy and other simplified methods are adopted to minimize complexity. experimental results show that the algorithm can get an average of 16 wire length improvement on paflo in reasonable cpu time

    文摘:以大規模混合模式布局問題為背景，提出了有效的初始詳細布局演算法.在大規模混合模式布局問題中，由於受到計算復雜性的限制，有效的初始布局演算法顯得非常重要.該演算法採用網路流方法來滿足行容量約束，採用線性布局策略解決單元重疊問題.同時，為解決大規模設計問題，整體上採用分治策略和簡化策略，有效地控制問題的規模，以時間開銷的少量增加換取線長的明顯改善.實驗結果表明該演算法能夠取得比較好的效果，平均比paflo演算法有16的線長改善，而cpu計算時間只有少量增加
  6. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    （ 3 ）進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究，以及有升力約束情形下機翼跨音速減阻問題研究，分別推導了相應的共軛方程及邊界條件數學表達形式，研究與發展了三維共軛方程的有限體積數值求解方法，及相應梯度公式的數值求解方法，通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合，成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序，成功地進行了多個設計算例研究。
  7. The control of beam halo - chaos becomes a critical problem in the development of high intensity accelerator. efforts to remove the halo by collimation have been largely unsuccessful since the halos almost always regenerate. the mechanisms of halos are complex, such as nonlinear resonances and chaotic behavior etc. considering this, professor fang jin - qing who works in china institute of atomic energy pointed out that the theory of chaos control can be used to control beam halos. he presented the method to control halos by using nonlinear functions, which means nonlinear function g is added to the right of ion radial self - edlctric force equation and some nonlinear function are selected to control beam halos in simulations. in paper [ 69 ], controllerg = - 0. 15sin ( rmax - am ) 2 was used and the halo intensity was decreased to 0. 1078, the halos are removed partly

    束暈?混沌的控制是新一代強流加速器研製的關鍵問題，隨著強流離子束應用前景的日趨廣闊而日益成為研究的熱點。傳統機械限束器因無法解決束暈的再生而收效甚微，因為束暈的形成有著其內在動力學機制?非線性共振以及混沌等。基於此，中國原子能科學院研究員方錦清將混沌控制的理論和方法開創性的運用於束暈?混沌的控制上，提出了控制束暈?混沌的非線性控制策略，即在粒子徑向所受束自生場力方程的右邊加上非線性控制函數g ：並選取一些非線性函數如等進行了控制的模擬研究，將束暈強度控制在0 . 1078左右，取得了初步的控制效果。
  8. The detail is clarified as follows : l ) based on the chaotic technology and contemporary encryption approach the paper put forward a new chaotic sequence, which introduced the m - sequence and the method of shrink key - the stream generator. the complexity of the sequence was promoted as the random alteration of the parameters of chaotic mapping, and at the same time, the shrinking key was used to enhance the security further more ; 2 ) the performance of one - way hash function was improved and new hash function construction methods are proposed through a novel hash method based on chaotic mapping and the aes - the rijndael algorithm. the algorithm of hashing messages of arbitrary length into 256 bits hash values was designed

    按照這種方法，輸出序列的周期性得以大大提高，理論分析和計算機模擬結果表明，該方法可以產生具有良好統計特性的密鑰流，而且易於軟硬體實現： 2 ）實現了一種基於混沌映射和分組密碼rijndael演算法的單向hash函數的構造方法，即使用logistic混沌映射產生混沌二值序列，序列的分組與明文序列分組進行按位異或后，進入rijndael加密模塊，所得的結果再加入到反饋端，參與下一分組輸入的異或運算，迭代結束時的rijndael加密結果即為所求的hash函數值。
  9. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究，用模糊區間來描述實際的負荷情況，並用負荷的模糊區間值計算配電網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況；將改進遺傳演算法與模糊集理論相結合，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。
  10. The mo - dified first - come - first - served algorithm, time - adva nc e algorithm and constrained position - shift algorithm are put forward to automat ically plan the most efficient landing order, to assign optimal spaced landing times to all arrivals without violate the spacing requirements for different typ es of aircraft and to enhance the usage of the runway under heavy traffic condit ion in the terminal area

    為了能夠在終端區交通繁忙的情況下高效地為到達的飛機流安排合理的著陸次序，並在不違反飛機間距要求的情況下給出各飛機經過優化的著陸時間，提高機場跑道的利用率，提出了經過改進的先來先服務、帶有時間提前量、帶有約束的位置偏移三種排序演算法。
  11. In the place where she heard heathcliff termed a vulgar young ruffian, and worse than a brute, she took care not to act like him ; but at home she had small inclination to practise politeness that would only be laughed at, and restrain an unruly nature when it would bring her neither credit nor praise

    在那個她聽見希刺克厲夫被稱作一個「下流的小壞蛋」和「比個畜生還糟」的地方，她就留意著自己的舉止不要像他。可在家，她就沒有什麼心思去運用那種只會被人嘲笑的禮貌了，而且也無意約束她那種放浪不羈的天性，因為約束也不會給她帶來威望和贊美。
  12. Under this circumstance, the project to construct beijing rnb facility on the basis of hi - 13 tandem accelerator has been proposed by china institute of atomic energy ( ciae ). apart from carrying out some interesting experments in astrophysics using the secondary radioactive beam line in being, the research work about the off - line rnbs on hi - 13 tandem accelerator can be also performed by making full use of ciae ' s 101 heavy - water reactor ( hwr ) or cyclone30 cyclotron

    除了利用我院現有的次級束流線來開展核天體物理感興趣的一些研究工作之外，還可以利用101 #重水反應堆和cyclone30強流質子回旋加速器，在hi - 13串列加速器上開展離線放射性核束方面的研究工作，為今後在將建成的北京放射性核束裝置上開展放射性核束物理實驗研究工作打下基礎。
  13. The meijiayi mjy channels therapeutic apparatus developed by our company, combines the advanced microcomputer technics with the profound traditional chinese medicine methods as well s the human channelss science, magically takes advantages of modern electronic technics and the outer treatment of chinese medicine, realistically simulated the effects like acupuncture, aprapathy, essage, eating, kin scraping and cupping, etc. which improve the comprehensive effects, especially for the common ailments and geriatric diseases in digest digestive system, respiratory system and nervous system

    旋翼式多流束濕式基表，雙脈沖采樣方式進行數據採集，採用計算機技術進行數據處理顯示控制閥門動作。它採用獨特的卡口安全及保護措施動態安全可靠的ic卡加密機制先進的硬體及軟體的容錯處理性能安全可靠，具有精度高自身功耗低體積小壽命長便於安裝等特點。能準確實現用水計量及實現預付費功能。
  14. With the mathematic model of tracking beam current by velocity, real - time tracking can be obtained ; with current simulation controlling transducer and subsection linearity, precision of velocity ( error in ? 1 % ) is triumphantly can be controlled ; with inspection of the pulse numbers of switches, the position of all vehicles are checked to eliminate the error of calculating distance between all ones

    通過建立速度跟蹤束流的數學模型，較好地解決了速度跟蹤束流的實時性問題;通過採取用電流模擬量控制變頻器和分段線性處理的辦法，成功地解決了速度精度問題（誤差在士1 %內） ;通過檢測接近開關觸發的脈沖數，適時校核所有小車位置，消除各車之間距離計算誤差，從而很好地解決了距離累計計算誤差。
  15. The bpm system that widely used in linear induction accelerator ( lia ) is beam bugs and b - dot

    在直線感應加速器中，廣泛使用的束位置測量裝置（ bpm ）有壁電流探測器（電阻環）和磁探針（ b - dot ） 。
  16. Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line

    提出了流程工業生產過程操作優化策略和應用實施方法，包括生產過程離線優化策略、非線性問題求解策略、在線優化模型及學習策略；結合揚州有機化工廠計算機集成製造系統集散控制系統（ yh - cims dcs ）的實施，針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過程優化控制這一工程實際問題，採用統計建模方法，建立了聚合反應過程的優化模型；為求解所得的優化模型，提出了種改進的有約束條件下的模擬退火演算法，該演算法能避免陷於局部最優解，有效地提高了所求解的全局性和可靠性：提出了基於改進的ga演算法和sp演算法相結合的混合學習演算法，建立了基於神經網路的聚合反應過程生產目標在線預測模型，該演算法和模型滿足了生產中的實時性和實用性要求。
  17. S - process nucleosynthesis may be a useful constraint for the evolution and convection in massive stars

    過程核合成可以為大質量星的演化和對流提供有用的約束。
  18. Another advantage of xml serialization is that you have no constraints on the applications you develop, as long as the xml stream that is generated conforms to a given schema

    Xml序列化的另一個好處是：只要生成的xml流符合給定的架構，對于所開發的應用程序就沒有約束。
  19. A full mathematical model of optimal flow pattern design withengineering constraints was put forward, based on modern optimal control theory. an optimal flow pattern design was presented for optimizing meridional channel of axial flow turbine. according to integral optimization of turbine stages, a full physical model and mathematical expression were put forward for proposition of optimal flow pattern, including all performance parameters in turbine stages. this problem was further recast into a typical form control to maximize specific performance index such as work or efficiency of stage with given initial state, fixed terminal condition and constraints for part of state terminal variables. the program was also worked out according penalty function method and conjugate gradient method. the optimal distribution of c1ur1 ( r1 ) was obtained according to constraint conditions and maximized objective function

    把近代最優控制論方法引入軸流透平葉片的設計，在優化的軸流透平子午通道內，建立包括透平級內所有性能參量的最優流型命題的完整的物理模型及其數學表達式，並歸化為一個在給定初始狀態、自變量終端固定、部分狀態變量終端受有約束的條件下，使級的某一性能指標（如級的功率）達到最優的最優控制問題，應用「代價函數法」及「共軛梯度法」編制計算程序，計算得到符合給定約束條件、並使目標函數取極值的最優環量分佈，結果是令人滿意的。
  20. The energy calibration is more accuracy and almost constant with the injected energy of proton. however, the energy calibration in e1 detector has a slight decrease with increasing the energy of protons. the reasons are attributed to the non - uniformity in thickness and disturbing from surrounding r, b ray and secondary particles

    對氧離子的能量刻度採用的是l八2 . 75的擋別，在能量范圍o一50mev有很好的線性關系，刻度出的每道能量h是1 . 1mev /道，然而當束流能量達到80mev /道時，在e ，探測器中h值與前面能量點的數據符合較好，但在e :探測器中沉積能量高於50mev時，電子學系統進入飽和狀態。
分享友人
分享到 Line

分享到臉書