cross section paper 中文意思是什麼

cross section paper 解釋
方格紙
  • cross : n 1 十字架;〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教(教義,國家)。3 不幸,苦難;挫折,...
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  • paper : n 1 紙;裱墻紙。2 報紙,報。3 收據;債券;證券;票據;匯票;鈔票(=paper money)。4 〈pl 〉身份...
  1. Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle

    流體噪聲主要來源於輸出流量脈動,造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制出p - t圖線,分析了它的不足,並對原有v型尖槽進行了優化設計,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。
  2. The section of traditional portal rigid frame are constant cross - section and wedge shape variable cross - section, this paper brings up a component cross - section ? ripple web plate variable cross - section. according to main specially characterist of portal rigid frame, this paper use matlab to work out analytical software. it ' s concrete analysis includes : endogen force and displacement caculation of rigid frame, stability analysis in and out flat surface of rigid frame, geometrical nonlinear analysis of rigid frame. and make comparison between ripple web plate variable cross - section portal rigid frame and constant cross - section rigid frame

    傳統的門式剛架的構件截面為等截面和楔形變截面,本論文提出了一種構件截面形式? ?波紋腹板變截面。本論文根據門式剛架的主要特點,利用matlab高級編程語言編制了4個分析軟體,其針對性強,具體分析包括:剛架的內力與位移計算,剛架的平面內與平面外穩定分析,剛架的幾何非線性分析。
  3. By this solution, a balde body model can be created by the optimization of the parametric grid of the blade body surface. some key techniques used in the solution, such as the computation of the data points on the meanline, the technology of cotinuty between the leading line and the outline of the blade body and the technology of the cross - section curve discretization, are disserated, and corresponding algorithm are presented in this paper

    在進行參數網格優化的過程中,需要進行中弧線數據點求解、緣頭拼接和截面線離散,本文對以上三個問題進行了深入研究,並在此基礎上提出了中弧線數據點求解演算法,緣頭拼接演算法和截面線離散演算法等研究成果。
  4. In this paper the design idea and composition elements of the civic square in yiwu, zhejiang province are in trodnced, as well as the design of under ground space of the civic square, including the design of cross section, civil air defence and fire prevention of the underground mall and garage

    摘要文章介紹了浙江義烏市民廣場的設計理念和組成元素,還介紹了市民廣場地下空間的設計,包括地下商場及地下車庫的剖面設計、人防設計及消防設計。
  5. The investigation of this paper has grate actual and expansive significance and offer methods for the application of rigid frame. the investigation indicate that the ripple web plate ' s critical stress has great improvement than ordinary flat plate and ripple web plate variable cross - section has a rather superiority than constant cross - section portal rigid frame

    本論文所做的研究工作具有很強的現實意義和推廣意義,為門式剛架的應用提供了思路。通過研究表明:波紋腹板的臨界應力比普通的平板有很大提高,而波紋腹板變截面門式剛架與等截面門式剛架進行對比也有較大的優越性。
  6. In this paper, the software for the die casting technology parameters design is built based on the optimization of the die casting system matching, and is used for the design of the die casting technology parameters, such as the cross section area of the internal sprue, the fill speed and the fill time etc

    文章基於壓鑄系統匹配優化的思想,建立壓鑄工藝設計軟體,使用軟體進行內澆道截面積、充填速度和充填時間等壓鑄工藝參數的設計。
  7. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好
  8. At present greco is regarded as one of the most valuable methods of radar cross section ( rcs ) computation in the high - frequency region. depending on these conditions, several researches have been completed in this paper : firstly, calculating rcs of complex conducting targets has been accomplished by greco method. the high - frequency rcs of targets are obtained through physical optics ( po ) and incremental length diffraction coefficients ( ildc ) respectively

    本論文做了以下研究工作:首先,實現了運用greco方法計算了高頻區理想導體復雜目標的雷達散射截面( rcs ) ,分別應用了物理光學法( po )和增量長度繞射系數法( ildc )計算了目標的面元和棱邊的電磁散射,最後綜合面元與棱邊的散射效應得到目標的總rcs 。
  9. The methods of modificatory lattice cross - section and equivalent circular cfst cross - section for calculating the maximum load of dumbbell cfst columns with eccentric loading were presented in this paper. the ultimate strength of 14 specimens were calculated by the two methods were close to experimental results. finally, the two methods were used to calculate the ultimate strength of arch bridge of zhengzhou yellow river highway

    對現有鋼管混凝土啞鈴形構件極限承載力的計算方法進行了分析,在此基礎上,提出了計算鋼管混凝土啞鈴形構件的偏壓極限承載力的修正的格構式截面法和等效截面法,兩種演算法的計算結果與試驗值均吻合較好,最後用這兩種演算法計算了鄭州黃河公路二橋拱肋的極限承載力。
  10. In this paper, pure and doped ktp crystals were grown from the flux using a top - seeded method, and special technique have been used to lower the electrical conductivity to three orders of magnitude than common flux ktp, the values is up to 10 - 10 ( cm ) - 1, this overcame the shortcoming that common flux ktp cannot be used in e - o application field because of having higher electrical conductivity. the growth condition, doped elements and annealing technology were investigated. single crystals of ktp with high quality and big z - cut cross section were obtained by optimizing the parameter of crystal growth

    本實驗採用頂部籽晶熔劑法生長了純的以及不同摻雜的ktp晶體,用特殊工藝處理技術將普通熔劑法ktp的電導率降低了三個數量級,達到了10 ~ ( - 10 ) ( cm ) ~ ( - 1 ) ,解決了普通熔劑法ktp晶體由於離子電導率太大而無法用於電光應用領域的困難;對ktp晶體的生長條件、摻雜元素以及退火工藝等進行了研究,通過優化生長工藝技術參數,突破了工藝技術生長難關,得到了高光學均勻性、具有大z切面的ktp單晶。
  11. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法,分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題: ( 1 )在分析現有幾種典型的管道垂直土壓力計算方法的基礎上,探討了影響垂直土壓力的主要因素以及改進的方法; ( 2 )分別通過彈性理論分析法和結構力學的方法,建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程,並應用在算例中,把所得結果和有限元方法所得結果進行對比分析; ( 3 )考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響,利用有限元的思路,建立了地下管道橫向力學有限元計算模型和方法,並且採用大型有限元分析軟體ansys ,針對上埋式管道工程算例,得出了管周土壓力以及管道橫截面應力的分佈狀況和規律,並和理論值進行對比;針對施加柔性填料的上埋式管道工程實例,得出了減荷后的土壓力分佈,並和實測值進行了對比。
  12. Abstract : the paper briefly analyzes and explains the main technicalparameters such as line plane design parameters, line longitudinal cross section and railway track specifications in the renovation of beijing - qinhuangdao railway line for the purpose of raising train speed

    文摘:結合京秦線提速改造設計的具體情況,對線路平面設計參數、線路縱斷面和軌道等主要技術標準的選擇作了簡要分析研究。
  13. This paper deals with the monte carlo simulation of high - energy protons transport in silicon, in which the intra - nuclear cascade model is used to deal with proton nuclear reaction process. and the results of radiation effects of proton in silicon and p - seu ( proton induced single event upset ) cross section of some electronic devices are presented

    本文用蒙特卡羅方法對高能質子(最高能量在500mev以上)在硅材料中的輸運過程進行了模擬,作了用核內級聯模型計算質子核反應的嘗試,計算了質子對硅材料的輻射效應及其對硅器件的單粒子效應。
  14. And the basal laws of these changes are also summed up in the paper. in the paper, rectangle concrete cross section with steel band to replace approximatively the mutil - limb steel tubular truss section is brought up to calculate and check calculation in the cfst arch bridge. the method has been verified partially by the procedure algor93 and can be applied in actual engineering

    本文提出在鋼管混凝土拱橋的內力計算及設計驗算時,可用帶有鋼帶的矩形混凝土截面近似代替多肢桁式鋼管混凝土拱截面,並通過algor93程序進行計算分析,在部分方面驗證了這種近似替代的可行性,為實際工程設計中計算多肢桁式鋼管混凝土拱橋提供了一種可行的計算模式。
  15. In this paper, the distortion of thin - walled bar with rectangle cross section is examined individually and the effect of diaphragm density on distortion is analyzed

    本文採用工程實踐常用的荷載分解法對矩形截面薄壁桿件的畸變進行分析,研究橫隔板間距對畸變效應的影響。
  16. Abstract : in order to provide the reasonable parameters in the reliability analysis of tunnel structure and the criterion in the quality control of tunnel engineering, in this paper, the over - under - excavated values of the real - state outline of tunnel excavation are obtained by the near - field photographic method. by using mathematical statistic method, the figure features and probability distributions of the over - under - excavated values of the surrounding rock, including deferent positions of same cross section, are analyzed

    文摘:採用近景攝影的方法,從隧道開挖毛洞中獲取圍巖超欠挖數據,通過數理統計的方法,分析各類圍巖超欠挖的數字特徵及概率分佈,同時得出各類圍巖超欠挖在隧道斷面不同部位的分佈規律,為隧道結構的可靠度研究提供可靠參數,也為隧道工程質量控制提供基準
  17. This paper studies the effect on aerodynamic characteristics of the grid fin geometry by choosing different cross - section shape and thickness outer frame, changing the thickness of internal fins and the density of internal honeycomb, comparing the datas obtained from the corresponding wind tunnel tests

    模擬了格柵翼的邊框剖面形狀和邊框厚度以及格柵莖厚度、蜂窩疏密度對格柵翼氣動力特性的影響,並把計算結果與實驗結果進行了比較。
  18. On the foundation of analysis a quantity of experiments and theory home and abroad, the paper give a calculation formula for the cross - section anti - bending limit load capacity of reinforced concrete beam. at the same time, the paper discusses the establishment of fatigue load chart for the bridge structure and presents its calculation of stress chart

    2 、在分析國內外大量試驗研究和理論分析的基礎上,給出了碳纖維布加固鋼筋混凝土梁正截面抗彎極限承載力的計算公式,詳細闡述了等幅疲勞荷載和變幅疲勞荷載下橋梁結構疲勞強度的計算方法。
  19. This paper presents the element stiffness matrix and equivalent node force of the variable cross - section bar. so the approximation in structural analysis is avoided, and the calculation capacity of equivalent frame method is also developed. this helped the engineers avoid the fem, which consume much time and is difficult to master

    本文對板帶寬度變化的板柱結構推導了變截面直桿單元的單元剛度矩陣和等效結點荷載列陣,避免了在結構分析時所作的近似,也擴大了等代框架法的計算范圍,使工程技術人員免於使用佔用機時、難于掌握的有限元分析法。
  20. Laminated products ; laminated moulded tubes of rectangular cross - section, paper - base laminate or fabric - base laminate

    層壓製品.紙基或織物基層壓矩形截面的模壓管
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