rectangular section 中文意思是什麼

rectangular section 解釋
矩形斷面
  • rectangular : adj. 矩形的，長方形的；成直角的。
  • 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...
  1. Prestressed concrete purline with rectangular section for rural houses

    農房用預應力混凝土矩形檁條
  2. A series of parallel strips of rectangular section is cemented over a lower sheet.

    使用一組截面為矩形的互相平行的試條，並將它們粘貼在一薄片上。
  3. Specification for straightedges - steel or granite straightedges of rectangular section

    直尺規范.第2部分:鋼質或花崗巖矩形截面直尺
  4. Press tools - compression springs with rectangular section - housing dimensions and colour coding

    沖壓工具.矩形剖面壓縮彈簧.外殼的尺寸和色標編碼
  5. Tools for pressing. compression springs with rectangular section. housing dimensions and colour coding

    沖壓工具.矩形截面壓力彈簧.彈簧套尺寸和顏色編碼
  6. Tools for pressing ; compression springs with rectangular section ; housing dimensions and colour coding ; identical with iso 10243 : 1991

    沖壓工具.矩形截面的壓力彈簧.安裝座的尺寸和顏色代
  7. Abstract : the three - dimensional velocities of the manifold junction with rectangular section are measured by use of three - dimensional particle dynamic analyzer （ 3d - pda ）

    文摘:應用三維粒子動態分析儀（ 3d - pda ）測得了矩形截面三分支聯接的三維速度分佈。
  8. Hole completion technology for large - tonnage rectangular section pile in wanfeng road bridge

    萬豐路橋大噸位矩形截面樁成孔施工技術
  9. Ventilation for buildings - sheet metal air ducts with rectangular section - requirements for strength and leakage ; german version en 1507 : 2006

    建築物通風.矩形面薄板金屬送氣管.強度和泄漏要求
  10. Calculation of bended structural member reinforcement of rectangular section of reinforced concrete

    環形截面偏壓構件非均勻配筋承載力計算
  11. Semi - finished products made of magnesium alloys. rectangular section exruded bars. dimensions and tolerances

    鎂合金制半成品.矩型材擠制棒.尺寸和公差
  12. Bar rectangular section

    矩形斷面梁
  13. Thus, the conclusion is drawn : when the diffusion coefficient of cf is invariable and the diffusion time is under a certain range, the beginning corrosion time of the steel in the corner of the rectangular section is independent of the size of rectangular section ; ( 4 ) through the numerical value calculation of rectangular section, the law is found of the influence on modifying coefficient of rectangular section of the thickness of protection layer of concrete and diameter of the steel and the thickness of cf on the surface of concrete, based on which practical calculating method of beginning corrosion time of the steel in the corner of rectangular section is set up

    從而得到結論：在氯離子擴散系數一定的情況下，在一定時間范圍內，矩形截面邊角區域鋼筋的初始銹蝕時間不依賴于矩形截面的截面尺寸； （ 4 ）通過矩形截面邊角區域鋼筋初始銹蝕時間的計算，分析了保護層厚度、鋼筋直徑、混凝土表面氯離子濃度對修正系數的影響，並在此基礎上建立了氯離子侵蝕下矩形截面邊角區域鋼筋初始銹蝕時間的實用計算方法。
  14. Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion

    討論了影響矩形截面以及圓形截面修正系數的因素： （ 1 ）從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關； （ 2 ）通過圓形截面數值計算結果的分析，發現圓形截面修正系數與保護層厚度基本成線性關系，並建立了二者之間的聯系；分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響，從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法； （ 3 ）在矩形截面氯離子侵蝕下，混凝土處於二維擴散狀態。本文通過計算分析，證明二維擴散的影響區域從邊角開始向中間逐步擴散，並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。
  15. Calculation of reinforced concrete member ' s strenght with hollow rectangular section under eccentric compression

    鋼筋混凝土矩形空心截面偏心受壓構件強度計算探討
  16. Computational method of bearing capacity of bending normal section of reinforced concrete beam with rectangular section strengthened by cfrp

    碳纖維布加固鋼筋混凝土矩形截面梁受彎正截面承載力的計算方法
  17. Abstract : simplifying the formula in code for concrete structure design ( gbj10 - 89 ), we obtaine the appoximate formula of crack width, that is used to the beam of rectangular section in design

    文摘:對《混凝土結構設計規范》 （ gbj10 - 89 ）中的裂縫寬度計算公式進行化簡，得出矩形截面梁裂縫寬度實用計算公式，供工程設計時使用。
  18. Differential arithmetic is utilized to set up the numerical value arithmetic of the diffusion model of circular and rectangular section ; at the same time, the stability of the numerical value arithmetic is analyzed ; 4

    利用差分演算法，建立了圓形截面以及矩形截面氯離子擴散模型的數值解法，並對數值演算法的穩定性進行了分析； 4
  19. The experimental model is a rectangular section of 15. 2 187mm ~ 2, which is composed of two aluminum plates. the angles between the internal netted rib turbulators and the flow direction are 45 ? for the one plate and 60 ? for the other, or both 45 ? for two plates. in the experiment, the re numbers changes from 0. 4 10 ~ 4 1. 5 10 ~ 5, rib width - to - pitch are 0. 25, 0. 3 and 0. 5, rib width - to - height are 0. 25, 0. 3 and 0. 5, the rib height - to - hydraulic diameter ratio is 0. 246

    主要研究了在通道進口截面積（即無肋處的截面積） a為15 . 2 187mm ~ 2 、肋高與通道當量直徑之比e / de等於0 . 246 ，實驗雷諾數范圍在0 . 4 10 ~ 4 1 . 5 10 ~ 5之間的情況下，雷諾數re 、肋向角a 、肋寬與肋高之比t / e和肋寬與肋間距之比t / p等參數對通道強化傳熱與流動阻力特性的影響。
  20. Hydraulic fluid power, cylinders - housing dimensions for rectangular - section - cut bearing rings for pistons and rods iso 10766 : 1996

    液壓流體動力液壓缸.活塞和連桿的矩形截面軸承環的殼
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