斷面模量 的英文怎麼說

中文拼音 [duànmiànliáng]
斷面模量 英文
modulus of section
  • : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 斷面 : section; fracture surface; plane of fracture
  1. The method of modified simplex was applied to optimize the models, and the fitting results show that liu - logistic model was more suitable than logistic model to the actual growth trend of form. taxus chinensis var. mairei population, and the highest growth rate of basal area was the tenth age class, namely the phase when breast diameter was 68 ~ 76 cm

    以胸高積代替種群生物,分別採用logistic常規型及劉金福提出的logistic改進型對南方紅豆杉種群的增長動態進行研究,運用改進單純形法對型進行優化,擬合結果表明改進型比logistic常規型更符合南方紅豆杉種群的增長趨勢,南方紅豆杉種群的最大增長速度出現在第10齡級,即胸徑為68 76cm時期。
  2. This unevenly location of fdi and it ' s fluctuate trend affected the balanceable development of regional economy profoundly. based on the international capital flows and the economic facts of fdi flowing into china, this paper establishes an analytic framework with international economics and regional economics, then analyzes the effect of fdi on regional economic growth and in the end put forward the regional policy advice which would stimulate foreign investments inflowing into china

    本文以經濟全球化趨勢下的國際資本流動和改革開放的經濟現實為背景,借鑒新制度經濟學和新古典經濟學分析方法,建立了國際經濟學、區域經濟學和發展經濟學的分析框架,理論分析與實證研究相結合,重點運用數理統計方法和計經濟型,利用時間序列和橫數據對fdi對我國區域經濟增長的影響進行了全分析,並提出了引進外資的區域政策建議。
  3. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土測孔方法的研究、孔結構型的研究及孔結構與強度關系的研究現狀,介紹了孔結構研究方的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法測孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強度關系型的發展歷程,並對已有的型進行了比較分析,指出了原有型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體型和孔系統的物理型,並擬了該型下由各單體並聯形成的復合體的裂過程,最後根據所建型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含等參數,實現混凝土理論強度的計算;第五章對第四章型中出現的型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強度特徵的k值,並從理論上探討了水泥含、彈性和表能的修正對混凝土強度計算產生的影響,檢驗型的正確性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  4. It is analyzed the influence of sericin aggregating state change caused by different soaking agents and treatment processes on the soft properties of silk in such aspects as initial modulus, breaking elongation and lubrication level variance

    文章從初始裂伸長、潤滑度變化等幾個方,分析了不同泡絲劑和不同處理工藝引起絲膠聚集狀態改變對絲條柔軟性能的影響。
  5. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復合材料裂韌性的表徵問題屬于線彈性理論范疇以及材料式是界損傷破壞式的實驗研究結果,提出了該材料的表徵參應該使用與界相關的型和型混合裂的能釋放率g _ c ,或者使用復應力強度因子k _ c 。
  6. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    針對目前廣泛使用的道路土方計算方法平均法和稜柱體法計算不準確的缺點,提出了三維土方計算演算法的概念.該演算法以帶約束的狄羅尼三角化( cdt )為技術核心,認為所有道路幾何設計過程都是地型和道路(設計)型進行幾何運算的結果.基於此,本文設計出相應的演算法步驟,同時完成了相應的軟體開發,使得該三維演算法能和傳統的方法進行對比.此外,結合工程實例,採用了不同的道路橫間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度,該演算法可用於道路、場地平整等工程土方計算
  7. Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency

    在論文的這部分工作中,使用有限元法描述和分析了逐節裂試驗中初始應變下的纖維軸向應力和界相剪切應力,溫度對界應力傳遞的影響,界和厚度、纖維節長寬比、界脫粘過程、界接觸中的摩擦效應等因素對逐節裂試驗中應力傳遞的影響。
  8. In this paper, we study the most serious damming section of the east - one main canal, which is from the entrance of the hao wan flume ( chainage12 + 123. 6 ) to the exit of shang tian yuan tunnel ( chainage24 + 091. 1 ). the main content is analyzing the flow characteristic of the canal, setting up mathematical model of the discharge condition of the east - one main canal, according to the survey section and actual roughness factors, building, bend and so on, we divided the canal into more than loocaculation segments. each segment is calculated by microsoft excel electrical table through computer as permanent transition flow of non - prismatic channel

    本論文研究的渠段為陸渾灌區東一乾渠壅水最為嚴重的渠段,從郝灣渡槽進口(樁號12 + 123 . 6 )至上天院隧洞出口(樁號24 + 091 . 1 ) ,其主要內容是,分析渠道水流特徵,建立東一乾渠輸水狀況的數學型,根據測及實際糙率、建築物、彎道等因素的不同,將渠道劃分成120多個計算段,每段按非稜柱體恆定漸變流,運用microsoftexcel電子表格進行編程計算。
  9. It is widely used for the industrial fiber matering such as ropes, tire cord, and rubber enhanced items etc. with the increase of tenacity and modulus, the pva cut fiber has also been used for the fiber enhanced cement, plastics, long life tarpaulin, and waterproof cloth

    作為繩索,輪胎簾子線,橡膠增強材料等工業用纖維材料,得以廣泛應用。隨著維綸纖維的高強度,高化,不但應用於以往領域,而且在纖維增強水泥,纖維增強塑料,耐久性木苫布,防水布等方也不得到應用。
  10. A good many case of approaching excavation are studied in this article, such as the study of infection of be coal mining to the huayingshan tunnel, technology study of strucked tunnels of metro in shenzhen, countermeasure study of tunnel approaching pile foundation of metro in guangzhou, excavation methods optimized of large cross section subaqueous tunnel approaching pile foundation of lrt in chongqing, etc. on the basic of analysing and concluding relative study production all over the the world by the numbers, classification of approaching excavation, partition of approach zone, formula of partition of approaching zone, approach degree and countermeasure grade of generalized approaching excavation of underground works are put forward. general methods studying and trea

    本文結合作者多年來對華鎣山隧道減少壓煤研究、深圳地鐵重疊隧道第11頁西南交通大學博士研究主學位論文技術研究、廣州地鐵公紀區間廣紡聯段鄰樁施工對策研究和重慶輕軌大坪大車站鄰近基礎淺埋暗挖工法優化分析等諸多近接施工問題案例的研究,在系統分析和歸納總結國內外相關研究成果的基礎上,系統地提出了廣義的地下工程近接施工的分類、分區、分區指標表達式、近接度與對策等級概念以及分區、分度準則,給出了研究和解決近接施工問題的普遍方法,如數值分析先行,型試驗、現場測試驗證等。
  11. Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc

    應用於工程的主要方法有反射波法折射波法波速測井波法及橫波勘探等。地震勘探能詳細劃分地層高精度地確定沉積地層的傾角能夠準確探明巖體構造褶皺層破碎帶裂隙帶對于回填工程路基壩基,地震勘探可以檢測其回填處理效果對于隧道工程,可以探測隧道洞體的圍巖分類及洞口地質情況利用波勘探所得到的瑞利波速度,可以準確推算地基的承載力動彈等力學參數。
  12. Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground

    本文分析路表變溫對軟土地基上半剛性路結構體的作用時,考慮了路表降溫導致瀝青混凝土回彈的非均勻性,採用線彈性動裂力學分析軟土地基上含反射裂縫半剛性路結構體的工作性狀。
  13. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    ( 2 )採用真實的河工型和入出流邊界控制條件以及連續擬的方法進行了有關時間變態率的系列試驗,通過型水位、比降、流速、出口流過程線和挾沙力試驗資料的分析,闡明了時間變態引起上述各種水力參數偏離的主要物理原因:型的槽蓄響應和洪水過程時間變化率的響應滯后。
  14. Secondly, the finite - element analysis on the typical slope section is performed with establishment of geology model, definition of boundary condition and proper selection of mechanical parameters. the result shows that the slope is of integral stability, and the failure mode mainly comprises infrequent block drop and wedge body breakage. considering the two failure modes of plane failure and wedge body breakage, and stability calculation under different work conditions, the slope stability is discussed and the sensibility ana lysis on its fraction angel and cohesion force is made

    然後通過建立地質型、確定邊界條件、選擇合理的力學參數,取典型對邊坡進行數值分析,分析結果表明斜坡整體是穩定的,破壞類型以零星掉塊和楔體失穩下滑為主;為了定計算邊坡的穩定性,對邊坡兩種破壞類型:單滑下滑和雙滑楔形體下滑,考慮不同工況進行穩定性計算,並對摩擦角和粘聚力進行穩定的敏感性分析。
  15. The comparison between the experimental data with numerical simulation show that the model have a higher precision in the lateral scouring and sedimentation deformation, time interval quantity of deposition, and output sediment concentration process during sand peak at various cross section and is applied fairly good to practical engineering

    青銅峽水庫的實測資料對型驗證結果表明:型在水庫不同橫向沖淤變形、時段淤積、沙峰期出庫含沙過程都具有較高的精度,能較好地運用於工程實際。
  16. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫優化方,本文在利用已經比較成熟的縱橫優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為控制變,以渠道不沖不淤流速及灌區允許地比降為約束條件,通過縱橫聯動優化的方法得到渠道的最佳工程可行的參數。另外,針對部分地區的取土困難的狀況,本文採用積分法計算渠道工程土方,從而大大提高了土方的估算精度,有助於準確控制工程投資規及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作比較簡便,界友好,運行速度快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。
  17. The 3d model needs three parameters, among them, the distance from the dam and the distance from the starting point of the section can be measured directly, and the depth of the water corresponding to the distance from the starting point of the section can be measured by the sounding device. however, because the reservoir is very deep, the measuring error of the water depth is greater

    而建立其三維型需要三個參,其中距壩里程、備起點距可直接測得,而對應于各起點距的水深值因丹江口水庫較深,按通常的方法使用回聲儀測深,即以水下二米處的水溫校正回聲儀的轉速來測深有較大誤差。
  18. The result indicates that from the north to the south, from the east to the west, the seal ability of four caprocks is better and better, the good seal areas of caprock distributes in heiyupao sag and its south. based on the research of the seal mechanism of the faults, this paper researched the vertical seal of t1 and t2 fautlts in binbei region by means of the mudstone content in fault zone and the pressure of fault plane. the result indicates the good seal areas of t2 fault for gas and oil distribute in daqing - anda and their north of binbei region, the good seal areas of t | fault for gas and oil distribute in wuyuer and heiyupao sags of binbei region

    本文通過濱北地區青山口組和嫩一、二段蓋層宏觀發育和微觀封閉能力分析,利用糊數學綜合評價方法對濱北地區青山口組和嫩一、二段泥巖蓋層的封蓋能力進行了評價,結果表明這四套蓋層封蓋能力從北向南,從東向西逐漸變好。好蓋層封蓋能力區主要分佈於黑魚泡凹陷及其以南地區。在層封閉機理研究的基礎上,利用壓力和填充泥質含研究了濱北地區t _ 2層和t _ 1層層封閉性,結果表明濱北地區t _ 2層好的封油氣區位於大慶?安達以北局部地區, t _ 1層層好的封油氣區位於烏裕爾、黑魚泡凹陷處。
  19. Based on lots of experiments, by combining the progress in mesomechanics with fea computation and analysis, this thesis investigated many parameters " effect on crack with an arc - tip in plain mixed - mode fracture, and compared existing criteria for fracture initiation, fracture direction and fracture mode transition

    本文主要的工作是在試驗的基礎上,結合細觀裂力學當前的研究進展,通過有限元計算和擬分析,研究了平復合型裂中各種力學參對圓弧尖端裂紋裂的影響,比較分析了現有的起裂判據、裂擴展方向的判定方法以及式的轉換條件。
  20. By use of the model, the gdp change, the benefit per unit water, the water flow into sea and the discharge change of main river section are obtained for beneficial regions of the south - to - north water transfer

    通過型框架,將水資源系統中的宏觀經濟子系統和水資源子系統相互作用通過內生變聯接起來,分析南水北調西線工程對黃河流域受水區的影響,得到黃河流域二級區不同配水方案相對于無調水情況的gdp變化、單方水效益、人海水和主要過程變化等。
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