算術元素 的英文怎麼說
中文拼音 [suànshùyuánsù]
算術元素
英文
arithmetic element-
A string of one or more characters used to separate or organize elements of computer programs or data ; for example, parentheses, blank character, arithmetic operator, if, " begin "
用來分隔或組織計算機程序元素或數據元素的字元或字元串。例如括號、空格符、算術運算符、 if （如果） 、 「 begin等。_ _ _ _ uncertain factors of macroscale inversion analysis of displacements are summed up. associated inversion model containing non - deterministic factors is proposed, i. e. " deterministic inversion of differential equation + systematic optimization technique = non - deterministic inversion ". the systematic optimization technique includes direct operator optimization, direct numerical analysis optimization, measurement design optimization, measured data processing, in - ersion algorithm optimization, and inverse operator regularization, etc. when this associated inversion technique is used in displacements back analysis, uncertain factors can be processed quantitatively
歸納了宏觀尺度位移反演分析的不確定性因素，提出了容納不確定性因素的位移反演分析的聯合反演模式，即「微分方程確定性反演+系統性優化技術=非確定性反演」的模式，並具體論述了聯合反演模式的系統性優化技術，包括正演運算元的優化、正演數值分析的優化、測量設計優化、觀測數據處理、反演演算法優化、反演運算元處理等六個優化方法。The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation
再由球形檢驗和主成份分析、信度分析、多元回歸分析的技術路線，逐層遞深地解譯影響城市地價的主要因素及相互數量關系，其研究結果揭示了城市地價的變化規律和影響因素、明確了限制城市區域發展的因素，為合理的城市規劃，市政建設項目規劃，合理安排土地用途，確定土地利用強度，提高土地利用效益等提供了科學依據，同時探索的系列化方法可直接應用於城市定級估價的實際操作中，有利於提高工作效率，縮短估價時間，提高城市地價的現勢性，建立地價動態監控和測算系統，又可提高城市定級估價的準確度和客觀性，在理論上、學術和實踐上均有積極意義。By using modern computer simulating technology, this paper develop computer simulating model and do a deep research on container terminal logistics system to provide quantitative support for the decision of the tian jin container terminal facility configuration, revealing the interactive relation among the components of the container terminal logistics system
本文結合先進的計算機模擬研究技術，針對天津港2001年的港口運營資料開發出計算機模擬模型，對集裝箱碼頭物流系統進行了深入的研究，揭示了集裝箱碼頭物流系統內部元素之間的關系，為天津港碼頭設備配置的決策提供定量依據。The image reconstruction technique based on the finite element method is flexible and easily to use for many applications
採用有限元素法計算逆時影像重建的技術經證實是可行且易於應用於其他的研究領域。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Thirdly, to improve the application of light gauge steel structure in our country, some experimentations of institute of new - style steel structure which adopting native productions are induced nally, three - dimensional finite element model is presented. compared with the tests, mumerical results are verified much accurate and efficient, therefore a reliable way is provided to utilize the computational technique adequately to reduce the tests and to utilize the experimental results adequately to improve design quality, ( 3 ) study on floor system. not only adequate strength, stiffness and integer stabilization must be provided, but also insulation, fire and acoustics must be satified
本文首先論述了lgsfcbw各種破壞模式及其原因，總結了各因素對lgsfcbw抗剪性能的影響，從而為我國引進和應用輕鋼龍骨結構體系奠定了基礎；其次從試驗模型、試驗方法和試驗結果三方面探討了國外lgsfcbw抗震性能的研究，並分析該體系的破壞模式和抗震特性、提出研究建議；然後介紹了為推動輕鋼龍骨住宅國產化，我們採用國產材料開展的系列試驗；最後提出了lgsfcbw的有限單元分析法，數值計算與試驗結果一致，為充分利用計算技術減少試驗數量和充分利用試驗成果提高設計水平提供了一條可靠途徑。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。In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.
在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。With the rapid development of the computer techniques, the finite element method and its application would be used in more and more engineering design fields
隨著計算機技術的飛速發展，有限元素法及其技術在工程設計中的應用更加廣泛。Based on fast pairwise sequence alignment algorithm named as ukkonen, a high efficient applied global pairwise sequence alignment algorithm is presented in this paper. the algorithm used the memory method of fa ( fast alignment ) algorithm for reference. the fa algorithm records element ' s origin relation while computing score matrix
在經典的ukkonen快速序列比對演算法基礎上，借鑒fa演算法（ fastalignmentalgorithm ）在計算得分矩陣時記錄元素來源關系的存儲方法，運用在矩陣中尋找checkpoint點的checkpoint技術，研究了一種基於動態規劃思想的較為實用的全局雙序列比對演算法。Particularly, the parameterized design technology of three - dimensional configuration, the woodward panel method calculating aerodynamic performance, the pixel method calculating the rcs of target ' s surface, the shooting and bouncing race ( sbr ) method calculating the rcs of cavity, and the phase coupling method calculating the rcs of whole missile are researched in this paper
主要應用研究了用於巡航導彈的參數化三維幾何造型技術、計算氣動性能的伍德沃德面元法、計算目標體表面rcs的象素法、計算腔體rcs的射線跟蹤法與計算整體rcs的相對相位疊加法。A language element in the formal description of a computer language, for example, the metavariables in an arithmetical expression are constants, variables, operators, etc
計算機語言的形式描述中的語言元素，如在算術表達式中的元變量是常數、變量、運算符等。This paper has a further study on the key technology called validity maintenance mechanism in semantic feature modeling in order to maintain the intent of designers and satisfy them. the method combines geometry model and semantic feature modeling, setting up new feature representation 、 cell element naming and identification method. in the meantime, a history - independence interactive feature boundary re - evaluation algorithm is presented based on feature editing. moreover, the validity recovery mechanism after invalid feature operation can maintain the original feature model. the above ideas have been realized on hust - caid ( computer aided industry design system developed by harbin university of science and technology ) preliminarily
為了能夠正確地維護設計者的設計意圖和滿足用戶的需求，本文在原有造型的基礎上對語義特徵造型中的關鍵技術即有效性維護機制進行深入的研究，將幾何模型，語義特徵模型結合起來統一進行研究，建立了語義特徵造型在產品模型設計過程中特徵表示方法的新理論、細胞元素命名方法和辨別機制，同時對系統原有特徵編輯過程進行了研究，提出了獨立於歷程樹的特徵邊界重構演算法以及模型操作無效時的有效性恢復方法。Zhou p, goodson k e. sub - pixel displacement and deformation gradient measurement using digital image / speckle correlation [ j ]. opt eng, 2001, 40 ( 8 ) : 1613 1620
潘兵，續伯欽.梯度運算元選擇對基於梯度的亞像素位移演算法的影響[ j ] .光學技術（待發表）At present we already use tradition method ( non - linearity parameter estimate method -, logarithm coordinate graph explain method and surplus analysis method ) ascertain measure area ' s every element ' s background value and abnormity lower limit, manage result is difference between real data. this article use fractal method ' s sum arithmetic ascertain geochemistry abnormity. by the contrast of these two arithmetic and abnormity graph, we think receive better effect
目前可用傳統的方法（非線性參數估計法、對數坐標圖解法和剩餘分析法）確定測區各元素的背景值和異常下限，處理結果與實際資料有一定差異。本文用分形技術中的求和演算法來確定地球化學元素的異常下限，實踐證明，其處理結果具有較好的效果。On the other hand, from the angle of the computer and network development, the dsp technology is the sign of the wonderful period, in which the computer unit is becoming to the " currency elemenf ' and the " digital gene "
從計算機和信息網路技術發展的角度看， dsp系統標志著計算機應用進入了「通用元素」化和「數字基因」化發展的新階段。The introduction part of this paper first presents the background and the purpose of investigation in simulation algorithm and also the basic framework of arithmetic, and then, it introduces the original principle of the arithmetic and makes a close analysis of the main models : ( l ) gives a concrete yarn simulation algorithm based on yarn ' s shade model ; ( 2 ) considers of fabric model and puts forward the simulation algorithm for simple fabrics ; ( 3 ) with consideration of the complicated textile, presents the algorithm of computing surface layer information based on dividing weave matrix into cells and combines the artificial intelligent technology to propose a framework to get the information of the textile surface. in the end, the paper presents the after - effects of the simulation and the way of arithmetic optimism as well
論文的緒論部分綜述了織物模擬演算法研究的歷史背景以及應用前景，提出了演算法的基本框架結構，然後闡述織物模擬演算法的基本原理，並對各主要模型進行了分析： （ 1 ）基於紗線的光照模型，給出了紗線模擬的具體方法； （ 2 ）綜合考慮影響織物外觀的重要因素，進一步給出了簡單花型織物的模擬演算法； （ 3 ）針對復雜織物，給出了基於織物組織單元化的表層信息提取演算法，並提出了結合人工智慧技術進行織物表層信息判斷的解決方案框架；最後，提出了模擬效果後期處理以及演算法優化的方法以提高織物模擬處理速度。In the thesis, i choose the horizontal and symbiotic industrial cluster basing on the natural resources as the objects to study, and make full use of knowledges from many subjects, including : economy, management, complex science, math, computing simulation, etc. through the idea of " down to up ", i make every individuality ( company ) inside the industrial clusters as a cell ; and choose techological support, labor supply, natural resourses reserve, maket overlay, intermediary service, public foundation, govenment policies as the outside influencing features ; and choose total assets, total production value, output ratio of capital as the indexes of system characters. then, i establish a computing simulation model on the optimal scale of industrial clusters basing on cellular automata model by matlab software, and simulate the shifts of characters of sigle cell according to the changing environments
本文主要以基於自然資源稟賦的水平共生型產業集群為研究對象，綜合應用現代經濟學、管理學、復雜性科學、數學和計算機模擬方法等多學科的知識，吸納「自下而上」的思想，選取技術支撐、勞動力供給、自然資源、市場輻射、中介服務、公共基礎、政府政策七個變量作為集群成長的外部影響因素以及總資產、總產值和資金產出率作為集群的系統特徵指標，以產業集群（系統）內部的個體企業為單位元胞，參照自適應、自組織的自然演化機制模擬單位元胞自身特質受到周邊環境的變化而改變，採用元胞自動機模型和matlab軟體，建立一個基於元胞自動機模型的產業集群規模演化的計算機模擬模型。( 2 ) this article promotes an idea that applies information compression techniques to xml data format. it puts forward structure guided compression model ( sgcm ), including algorithms such as xml structure tree spanning based on huffinan coding for element frequency, and sgcmheap generation algorithm. not only common compression techniques are used, structure based compression optimization is also rendered
（ 2 ）本文提出將信息壓縮技術應用於xml ，提出了結構制導的xml壓縮模型sgcm ，包括相關的演算法，如基於元素出現頻度huffman編碼的xml結構樹生成演算法， sgcmheap的生成演算法? ?不僅利用了當前通用的部分壓縮技術，而且探討在xml結構的基礎上有對其進行壓縮優化的可能。分享友人