斷面阻力 的英文怎麼說

中文拼音 [duànmiàn]
斷面阻力 英文
profile drag
  • : 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...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 斷面 : section; fracture surface; plane of fracture
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Meanwhile, it is also important to resolve the " tri - agricultural " problems in china. however, farmers have to face all kinds of posers. for example, the traditional system and antiquated ideas, the excess rural labors, the agricultural profit down constantly, and so on

    但是農業勞動者在其分化過程中要不對來自舊的體制及其遺留的舊的思維方式、行為方式的隔,要對各種自然壓迫,要對農村剩餘勞動增加、農業自身比較利益不下降的挑戰,同時還要對自身素質與現代社會之間的差異等等,一系列的問題。
  2. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受性能,得出了空腹桁架各構件合理的截剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜試驗以及擬動試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質系數等抗震性能的比較,並進行了彈塑性動分析.試驗和分析結果表明,配置預應和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議
  3. Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more

    迪揚電氣在gis和避雷器的帶電測試與故障診分析,電電纜的故障定位與局放檢測,變壓器電抗器的各種測試診與溫度監測, sf6的水分測量與回收,絕緣油的測試分析與濾油處理,紅外測溫與光纖在線測溫,以及各種電測試與計量,溫度計量與電能計量等方擁有世界一流的技術與成熟的儀器設備。
  4. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    導水率減小是凍結土壤入滲能減小的根本原因,而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水積和孔隙孔徑,增大和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。
  5. It is quite evident that the rm - 80 is not suited to working on the harden ling. in order to make rm - 80 be suited to the conditions in china, we conduct an analyse and a calculation theoretically on excavating obstruction, excavating productivity and traction ability sa well. so that we can choose a better matching of produvtivity to solve problem of insufficient ability of excavation

    為使rm80型全道碴清篩機的性能適合我國國情,我們從理論上對該機在板結地段作業時的挖掘、挖掘功率及作業工況下的牽引能進行計算分析,從而選擇出一種更好的功率匹配關系,解決挖掘能不足的問題。
  6. Based on the analysis and calculation of ship resistance, according to the main factors influencing the resistance, such as sailing speed, water depth and ship draft ratio, and coefficient of sectional form, the deepwater, shallow water and restricted channel are defined by the coefficient factor

    摘要通過對船舶的分析和計算,根據影響的主要因素,航速、水深與船吃水比、系數,由換算系數來界定深水、淺水與限制性航道。
  7. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ,街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落,但隨著都會地區機動車輛不增加,道路交通塞噪音環境破壞排放廢氣污染問題嚴重惡化之際,輕軌車輛技術已不提升,具備小轉彎半徑能的聯結式車廂模組化列車編組車廂長度加大加長低地板車廂流線型車廂設計,搭配先進控制系統及彈性的路權型式,使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點,如高性能輕軌列車與汽車共存,低底盤的車廂創造無障礙車站空間,道路即是車站設備,旅客可以在街區上下車,提供沿線居民高度的便利性,消除交通堵塞噪音及空氣污染等,輕軌系統並與街景充分的調和,成為活動的都市意象。
  8. According to the the regression analysis on the bloting and shotcreting roadways of henan pingmei group, the regression equation on the degree that absolute grade and area of roadway influence coefficient of frictional resistance is built in the paper. the notable character test of the regression equation is completed. at last, the degree that absolute grade and area of roadway influence coefficient of frictional resistance is discussed and summed up. the practical and guiding sense in choosing coefficient of frictional resistance of congeneric roadways is given in the paper

    通過對平煤集團大量的錨噴巷道的回歸分析,建立了巷道壁絕對粗糙度和巷道積對摩擦系數影響程度的回歸方程,並對回歸方程作了顯著性檢驗,最後對巷道粗糙程度和積對錨噴巷道摩擦系數的影響程度進行了討論和總結,對同類巷道摩擦系數的選取具有實踐指導意義。
  9. Actually correction coefficient of kinetic energy reflects the non - uniform characteristics of cross - sectional velocity in natural rivers. it is related with hydraulic parameters and can be expressed by chezy ' s coefficient. the larger the resistance of boundary, the more non - uniform the distribution of cross - sectional velocity

    動能修正系數實際上反映了河道橫流速分佈的不均勻性,與的水要素有關,可用謝才系數c來表示,水流所受的越大,邊界對其影響也就越大,流速分佈愈不均勻,導致動能修正系數增大。
  10. The velocity profiles along the channel section are measured using the laser doppler anemometer. according to the velocity distribution, boundary shear and the coefficient of friction between the flow and rubber panel, is determined

    採用多普勒激光測速儀對過流的流速分佈進行了測量,並根據流速分佈推求出壩上橡膠板所受的水流剪應,和水流對橡膠板的摩系數。
  11. Abstract : it was deduced that the shapes of magnetic particle indicationsof point - type defects on workpiece surface depended on the resistance of carrier medium, and their dimensions depended on the volume of the defect equivalent cuboid, the magnetising characters of workpieces and magnetic particles, the strength of magnetic field, the lengths and sections of magnetic particles and the resistance character of carrier medium

    文摘:推出工件表點狀缺陷磁痕的形狀取決于磁粉載體的介質,磁痕大小取決于缺陷等效長方槽的體積、工件和磁粉材料的磁化特性、磁場強度、磁粉長度和橫截積以及載體介質的尼特性等。
  12. Inquiring into optimization of roadway cross - section with maximum resistance route method

    最大線路法優化井巷的探討
  13. Was obvious to all to be detailed the establishment gram venereal diseases kj medicinal preparation is one high active living thing medium which in the outside too bareness oxygen, the low attraction, under the high radiation special environment in the middle of the copy process has the completely block the viral dna duplication, skin base first floor and the dermis cellular layer comprehensively sweeps clean the virus

    Annlic安立克kj劑是在外太空無氧氣低引高輻射的特殊環境下生成的一種高活性生物介質,具有超越傳統產品20倍的超強大抗病毒作用,它在病毒dna復制過程當中具有超強干擾作用,可完全病毒dna復制,並可以透皮吸收深入皮下,直達皮膚基底層和真皮細胞層全掃清病毒。
  14. Annlic the establishment gram kj medicinal preparation is one high active living thing medium which in the outside too bareness oxygen, the low attraction, under the high radiation special environment produces, has the surmounting legacy product 120 time of ultra formidable anti - virus functions, it has the ultra strong jamming function in the middle of the viral dna copy process, may completely block the viral dna duplication, and may pass the skin absorption, be thorough hypodermic, goes directly to the skin base first floor and the dermis cellular layer comprehensively sweeps clean the virus

    Annlic安立克kj劑是在外太空無氧氣低引高輻射的特殊環境下生成的一種高活性生物介質,具有超越傳統產品20倍的超強大抗病毒作用,它在病毒dna復制過程當中具有超強干擾作用,可完全病毒dna復制,並可以透皮吸收深入皮下,直達皮膚基底層和真皮細胞層全掃清病毒。
  15. 1. the splitting from the binding interface of cuw / crcu roots from the rich cr and the oxidation of the binding interface, which leads to the higher thermal resistance in binding interface than normal, and the thermal stress enhanced. the extruded cu is suggested to instead of casting cu

    ( 1 )裂是由於原材料鑄態的crcu中c :質點大於熔滲的孔隙而沉積在界上,同時在有氧源存在的條件下,結合氧化,致使結合結合不好,界升高, cuw與crcu部分的膨脹不同,應集中,燃弧后裂。
  16. Result of study indicates that the momentum input along with the branch flow toward the downstream and the additional friction induced by the mixing of main streams with branch flows should be considered for rational analysis of the local energy loss at junctions

    研究結果表明,正確分析管道匯流口水流的局部能量損失機理,必須考慮匯入上支流沿下游主流方向的動量輸入和主支流間相互摻混引起的附加摩擦的影響。
  17. With the rapid and continuous development of in service, the bottleneck of the whole system is becoming more and more prominent, thus causing many problems, such as the instable operation of the whole system, the hindrance of the service development, the low quality of the pstn and the safety threat of the net. to solve these problems causing by insufficient estimation in intensity of traffic in the early days, the centralized in equipment is put into use. for example, the scp is used compositely to compensate for the fluctuant service among different in service

    這是由於建網初期對話務量的預測不足,採取集中設置智能網系統設備方法而引起的,如scp採取混合使用,以相互補償各類智能業務的波動,而帶來了以scp為界的較大系統瓶頸問題,如果業務量大會引起scp大量拒呼,嚴重時還會完全業務;此外,由於ssp的配置不夠加之智能網話務的突發性強,而ssp決定了智能網系統可接受話務量多少的能
  18. Two different reinforcing methodologies are applied : modification of the overlay characteristics by adding chopped glass fibers to the hot mixture asphalt ( hma ) and reinforcing asphalt overlay with glass grids. theory of fracture mechanics ( fm ) is employed to determine crack growth rates for the suggested anti - cracking overlay systems. asphalt mixture designing tests, three point bending tests and fatigue crack propagation tests were carried out. the critical stress intensity factors kic are determined for plain and reinforced asphalt concrete. depending on the fatigue crack propagation, the crack growth rate is determined for each type of anti - cracking system and the cracking process is also analyzed. one of the significant points in this study is the attempt to give better understanding of the crack propagation for multilayer asphaltic overlay or what are suggested herein to be called composite structure anti - cracking overlay system. the results indicate that the reinforcing materials improve anti - cracking characteristics of the asphalt concrete. composite structure anti - cracking overlay gives a good solution for the reflective cracking phenomenon over old cracked pavements

    利用2種不同的方法加筋瀝青罩:在瀝青混合料中加入短切玻璃纖維改善瀝青混凝土的特性,採用玻璃格珊加筋瀝青混凝土.應用學方法分析瀝青路裂縫擴展機理.採用瀝青混合料設計試驗、三點彎曲試驗和疲勞裂縫擴展試驗,確定加筋瀝青混凝土的臨界應強度因子kic ,測量每一種瀝青罩抗裂系統的裂縫擴展速率.本研究的主要特點是提出復合型抗裂罩系統,分析了多層加筋瀝青罩裂縫擴展過程,推薦了若干瀝青路抗裂系統.結果證明,加筋材料可以提高瀝青罩的抗裂特性,復合型抗裂罩系統能夠有效地止反射裂縫的擴展
  19. With the developing highway communications, the traffic is increasing and axle is becoming heavier and heavier, all of these demand the high quality of cement concrete pavement the experience of past ten years in highway construction shows that the practical life time of cement concrete pavement is far more shorter than anticipated. damages such as cracking are offen occurred in first serval years they caused direct and indirect economic losses and bad social influences. in addition to control overloaded vehicles by means of administration, the compressive strength, bending strength wear - ability should be improved to solve all these problems

    十幾年的高等級公路建設實踐表明,水泥路的使用壽命遠遠小於其設計壽命,往往在通車幾年後就出現一些病害,如坑槽、板等病害,帶來的直接、間接經濟損失和不良的社會影響。解決這些問題,除了運用行政強制手段控制超載車輛外,必須提高水泥混凝土的彎拉強度、疲勞強度、耐磨強度、裂限縮能,從而提高水泥混凝土路的使用壽命。
  20. In addition, aerodynamic stiffness and aerodynamic damping on the system are already obtained in the condition of fluid - structure interaction. it is known that aerodynamic loads are associated with blade vibration. the systematic eigenvalues are used to judge whether the flutter occurs so as to find the stable operating range of a wind turbine

    本文把風機葉片簡化為懸臂梁,對梁截的二維葉型建模,完整推導了二維葉型的線性運動微分方程和流構耦合條件下系統的氣動剛度和氣動尼,此時氣動載荷與結構的位移矢量以及速度矢量是相互耦合的,再利用系統的特徵值來判葉片顫振是否發生,從而獲得風機的穩定工作范圍。
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