支數限度 的英文怎麼說
中文拼音 [zhīshǔxiàndù]
支數限度
英文
limit count-
Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports
首先，在前人研究成果的基礎上，對錨桿與圍巖的相互作用機理進行研究，利用全長錨固錨桿的中性點理論，從等效均化的角度來考慮錨桿對圍巖的加固作用，並推導了在簡單荷載作用下，含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解，對工程設計有著重要的參考意義；在數值模擬方面，以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎，利用虛功原理推導了接觸問題的有限元方程的計算格式，為開發運用大型商用有限元軟體msc . marc提供了理論根據，也形成了本文的理論基礎：最後，論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例，利用本文所述的接觸問題的摩擦模型理論，對錨桿支護結構的應力場、位移場的變化規律進行了研究，分析了加錨支護對隧洞圍巖應力、變形的影響。In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering
本文根據彈性薄板理論，導出了雙向空腹板的平衡微分方程，並通過理論計算和通用有限元程序ansys結果對比，驗證了其正確性；通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較，本文提出：雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算，完全能滿足工程精度要求。M ( 4 ) do a deep research on the privilege management of the engineering database system co - s _ dbs, and aimed at the requirements of the cooperative design for the privilege management, purpose a privilege management model s _ pmm. this model can not only provide the well - designed structure of the privilege control table and the paniculate privilege control, but also support role mechanism, positive and negative privilege mechanism, concealed privilege mechanism, which well satisfies the requirements of the cooperative design
（ 4 ）對co - s _ dbs工程數據庫系統的權限管理進行了深入的研究，針對協同設計對權限管理的要求設計了權限管理模型s _ pmm ，該模型提供了設計良好的權限控製表結構，細粒度的權限控制，支持角色機制、正負權限機制、隱式權限機制，很好的滿足了協同設計的要求。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few
通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗，確定了沖擊鉆在溶洞地質條件下的合理使用方法；基樁承載實驗表明了荷載與摩擦阻力之間的關系，並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性，進行了富有成果的現場測試工作；試驗數據表明樁側摩阻和支盤端阻起很重要的作用，樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大，承載力也較設計增加；使用力學數值分析方法和有限單元法，對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。Client supplies complete graphic user interface, accomplishing the management of jobflow and system ; communication agent accomplishes complete communication between client and server by tcp / ip network communication protocol and platform independent data communication protocol ; server supplies full support of jobflow, the superstratum are the jobflow definition subsystem and jnwengine, which are responsible for the definition and execution of jobflow ; the understratum is the network queue system, which realized the schedule and execution of job, thus all kinds of sources in computer network system can be utilized in order to improve execution efficiency and reduce job cost
客戶端提供完全的gui用戶界面，完成用戶對作業流的管理及對系統的管理功能；通訊代理採用tcp ip網路通信協議以及與平臺無關的數據通訊協議來實現客戶與服務器之間的完全通訊；服務器端提供對作業流的全面支持，上層由作業流定義子系統和作業流引擎負責完成對作業流的定義與執行，底層使用網路隊列系統（ nqs ）來實現對作業的調度與執行，使用戶能夠最大限度地利用計算機網路系統中的各種資源，以提高執行效率、降低作業成本。Server supplies full support of jobflow. the superstratums are the jobflow definition subsystem and jnwengine, which are responsible for the definition and execution of jobflow. the understratum is the network queue system ( nqs ), which realizes the schedule and execution of job, thus all kinds of resources in computer network system can be utilized in order to improve execution efficiency and reduce job cost
客戶端提供完全的gui用戶界面，完成用戶對作業流的管理及對系統的管理功能；通訊代理採用tcp ip網路通信協議以及與平臺無關的數據通訊協議來實現客戶與服務器之間的完全通訊；服務器端提供對作業流的全面支持，上層由作業流定義子系統和作業流引擎負責完成對作業流的定義與執行，底層使用網路隊列系統（ nos ）來實現對作業的調度與執行，使用戶能夠最大限度地利用計算機網路系統中的各種資源，以提高執行效率、降低作業成本。Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures
此外，本文採用隨機有限元方法，將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量，應用蒙特卡洛理論進行計算機隨機取樣，對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估，得出了襯砌的相關位移與內力的均值和方差，並計算出了相應的襯砌結構可靠指標。From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program
針對加熱彎管過程的受力和變形特點，採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分，並對接觸單元採用柔體-柔體的處理方法，將溫度場作為體載荷處理，建立了符合實際的加熱彎管問題數值模擬力學模型：在此基礎上，應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究，獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。A good, free speed network monitoring software, it can monitor your current network speeds and upload and download includes the real - time speed and a beautiful chart, or figures out ( to support both also choose to show or show only a ), support adsorption of the screen ' s edges, obviously thoroughly support show monitoring window, penetrating mouse support functions ( embedded desktop ) and the functional and cross - fade out, would not affect other software applications and support custom color graphics and font support day - to - day, week, month statistics and limit traffic flow
一個不錯且免費的網路速度監測軟體，它可以監測你當前網路速度，包含上傳及下載的實時速度，並以漂亮的圖表或數字顯示出來（支持選擇兩種方式同時顯示或只顯示一種） ，支持吸附到屏幕邊緣，支持透明顯示監測窗口，支持鼠標穿透功能（嵌入桌面）及淡入淡出功能，不會影響日常其它軟體應用，支持自定義圖表和字體顏色，支持按日，周，月統計流量並限制流量。The paper mentions the design of three - dimensional graphics modeling in the mine such as shaft, laneway, and equipment of transport and mining. human - computer interaction and viewpoint rambling in the demo system are realized so that the simulating staff may look at circumstances from different viewpoint and positions. under the precondition of limited resources holding, the contradiction between the fidelity of image display and real - time feature of system interaction process is better resolved with using of display list and model culling technology
論文中採用了opengl圖形庫的基本繪圖函數進行三維圖形的模型設計，並詳細給出了立井、拱形巷道、梯形巷道以及工作面支架和井底運輸巷道設備的三維圖形設計方法；並著重分析人機交互與視點漫遊功能的技術在系統中的實現；在佔用有限資源的前提下，為了提高場景實時顯示速度，論文中採用顯示列表和模型淘汰等技術，並編制出了一個虛擬礦井實例。Generally speaking, the regularity of orthonormal wavelet bases with compact support increases linearly with the support width. but if we relax the orthogonality, much more freedom on the choice of wavelet function is gained
一般來說，對于規范正交小波基，它的正則性階數是隨其支集寬度線性增長的，而如果放鬆了正交性要求后，母小波可以同時具備局部支撐性和無限光滑性。By keeping the number of hours below the overtime limit, you can continue to pay the resource a standard rate, not an overtime rate
保持工時數低於規定限度，您仍然可用標準費率支付資源的工資，而不是加班費率。With the produce and development of expert system, a new approach is presented for researcher in oil monitoring to put to the issue. with the maturity distributed technique and the multiple base synergism of database, knowledge base and method base, computer applications go forward from resolving problems respectively in a close system to cooperating synchronously or asynchronously with each other for customers to find a solution to all kinds of complex problems. therefore, computer resources, which include hardware, software, database, knowledge base, normal programs and intelligent programs, will be shared to large extent
隨著分散式技術更加成熟，應用更加廣泛；分散式知識庫、分散式人工智慧的理論與技術的發展，多專家、多知識表示、多種推理決策機制、多知識庫協同聯合求解以及數據庫、知識庫、方法庫的多庫協同支持，使計算機應用已由傳統的在封閉系統下用戶各自獨立解決問題、通過問題求解、執行一定的計算，朝著幫助用戶進行交互支持（同步、異步）協同工作、共同解決各種復雜問題並為用戶提供一個最大限度共享計算機資源（硬體、軟體、數據庫、知識庫、一般程序或智能程序）的環境的方向發展。In order to calculate the wall ' s lateral displacement, several diagrams have been cited from a f. e. m results. the main factors have been accounted in these diagrams as below : the wall stiffness, the strut stifmess, the width of pit, the elastic modulus of soil, the depth of the underlying hard layer, the strut preloads and the factors of safety against basal heave
為了計算擋墻的側向變形，本文引用一個有限元程序計算得出的圖表結果。這些結果考慮到了以下主要因素：擋墻剛度、支撐剛度、基坑的開挖寬度、土體的變形模量、坑底以下硬土層的位置、給支撐施加的預壓力的大小、抗隆起安全系數等。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。The vendor of both erp and mes has now gradually focusing their application scope on information integration, so as to provide as more real - time and authentic information as possible for enterprises. only utilizing real - time and authentic data information coming from the factory can manufacturing enterprises efficiently control them, make perfect decision. enterprises can also improve production through analyzing the data information
現在erp （企業資源計劃）和mes （生產製造執行系統）製造商的應用領域逐漸交叉，都通過最大限度整合企業信息資源，以便現代企業能掌握即時信息，以真實的生產數據支撐決策，動態地對企業執行控制，實時分析企業動態利潤，改進生產行為，提高生產效益。Evidence should be available to support and verify the operating parameters and limits for the critical variables of the operating equipment
必須有證據支持和證明操作設備關鍵變量的操作參數和限度。分享友人