axis b 中文意思是什麼

axis b 解釋
直軸(設定為100則有效直向100米)
  • axis : n ( pl axes )1 軸,軸線。2 【植物;植物學】莖軸。3 【解剖學】第二頸椎,第二脊骨。4 【政治學】軸...
  • b :
  1. 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。
  2. The resulting 30 - membered ring structure produces an oval projection when viewed parallel to the b axis

    沿平行於b軸的方向上生成了一個奇特的30元環結構。
  3. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時,選擇有限帶寬窗有較好的空間解析度,三角形窗有較好的密度解析度,選擇餘弦窗則使得空間解析度與密度解析度的折衷;從窗函數的頻譜角度來講,可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件: ( ? )小的3db帶寬b ,即最小的主瓣寬度; ( ? )最小的旁瓣最大峰值a ; ( ? )最大的旁瓣峰值衰減速度d ;就內插函數而言,臨近點內插與線性內插重建圖像噪聲大,但有較好的邊緣與細節; 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑,局部特性較好。
  4. Moreover, the two - step heat treatment method was utilized in the preparation of the films, the films prepared by the first coating with 550 ? heat - treatment and the second coating with of with 500 ? heat - treatment ( b type films ) were highly c - axis oriented with smooth, dense and uniform surface morphology

    此外,結合高溫和低溫熱處理方法優點的兩步熱處理法得到的b型薄膜同時具有較好的c軸擇優取向性和更為平整均勻的表面形貌。另外,在硅基板上也制備出了良好的c軸擇優取向性的摻雜氧化鋅薄膜。
  5. For the first time, based on frame structure with large thick raft plinth and many engineering examples, analytic method of interaction that means the analysis on three parts above as a whole with a full consideration of interaction thereof that met the need of the deformation correspond on the boundary was used to research on the interaction of structure and groundsill in this paper. and five models were adopted, which were : ( 1 ) a tube with symmetrical double - axis structure and symmetrical loads, ( 2 ) two tubes with symmetrical double - axis structure and symmetrical loads, and ( 3 ) a tube with symmetrical single - axis structure and symmetrical loads, and ( 4 ) two tubes with symmetrical double - axis structure and unsymmetrical loads, and ( 5 ) two tubes with unsymmetrical structure and loads. based on the middle - thick slab theory from mindli and the model for groundsill from winkle, the deformation character of raft foundation and the distributing rule for resisting force of fundus were studied in details by using b ig - style fem ( finite element member ) software, ansys

    本文結合了大量的工程實例,以大底盤框架厚筏結構形式為研究對象,針對單個和多個塔樓布置於同一個大底盤框架厚筏基上的復雜結構體系,分( 1 )一個塔樓:結構布置雙軸對稱,荷載對稱的情況; ( 2 )兩個塔樓:結構布置雙軸對稱,荷載對稱的情況; ( 3 )一個塔樓:結構布置單軸對稱,荷載對稱的情? ; ( 4 )兩個塔樓:結構布置雙軸對稱,荷載不對稱的情況; ( 5 )兩個塔樓:結構布置和荷載均不對稱的情況等五種組合情況,全面系統地探討了上部結構?基礎?地基相互作用的大跨度基礎、基礎板變形特徵及其基底反力的分佈規律。
  6. According to the elastic bucking theory this paper reviews and compares the calculations that such member bend around the reat axis and the hollow axis as well as bend with torsion around the hollow axis. here this paper presents a formula of calculating b used in with the h - shaped anglicizing element. meanwhile, this paper deduces out a formula of calculating b. by, which the member could be controlled to only buckle around the real axis

    本文根據彈性屈曲理論對雙肢格構式單軸對稱綴板柱繞實軸、虛軸以及彎扭屈曲進行了計算分析和比較,提出了繞虛軸側向屈曲的換算長細比_ ( oy ) = ( y ~ 2 + l ~ 2 ) ~ ( 1 / 2 )中的值用h計算單元指出的計算公式,同時推導出了單軸對稱綴板柱只出現繞實軸彎曲屈曲的最小肢間間距b 。
  7. Moreover, with the datum come from calculation and test, it seams that after the number of batten floor n > 3 the change of b effected by n is too weak to be ignored. hence, that indicates it is available that the laterlly buckle of the batten column with the single axis of symmetry could be calculated with b worked out from h - shaped anglicizing element without n

    此外,由電算和實驗分析可見,值在綴板層數n 3以後,其變化受n值的影響不大,這說明用h計算單元導出的與綴板層數無關的值計算公式是可以用於單軸對稱綴板柱的側向屈的計算。
  8. The control algorithms of both traditional and intelligent main - engine speed regulator are emphatically discussed in the thesis. the author established an simplified integrated mathematical model for marine main diesel engine, screw propeller and axis series with the mother type of large low speed diesel man b & w. the digital simulations for pi speed regulator are completed

    本文討論了主機速度控制的兩種實現方法;論文以實船應用的manb & w大型低速柴油機為母型,建立了柴油主機、螺旋槳、軸系一體化的簡化數學模型,並對常規柴油主機pi調速系統進行了數字模擬。
  9. At the same time, in acidic system, the lowest concentration of oh " also limited the growth of a, b - axis

    同時,由於在酸性條件下, oh ~ -濃度很小,進一步限制了a 、 b面的生長。
  10. In addition, the growth mechanism of c - axis was screw dislocation growth or rough interface growth, but that of a, b - axis was two - dimension nucleation growth. because in low supersaturation, the speed of helix dislocation growth and rough interface growth was higher than that of two - dimension nucleation growth

    另外,由於羥基磷灰石晶體結構的特點, c面主要以螺旋位錯生長和粗糙面生長兩種機制為主,而a 、 b面則主要以光滑面的二維成核生長為主。
  11. The results approve that i ac i is a good parameter to be a token of the diameter distributing of particles. then a criterion of mean fluctuation difference is put forward for b particle. fluctuation complexity varied with different particle, static bed height diameter particle and axis position of sensor are studied

    本文認為是顆粒密度的差異造成漲落復雜性均值的差異,而平均漲落偏差| c |廣定程度上是顆粒粒徑分佈的一個重要衡量指標,而且針對b粒子提出了平均漲落偏差判據,實驗數據和該判據有很好地符合。
  12. Specifically, the disorder is modelled as a complete rotation about the crystal b axis ( or fibril axis, vertical in this figure ) coupled with a 10 degree tilt

    好象是把一個弧看成一個點的旋轉。推出這個點的大小。點的位置是假設一個傾斜角。再簡化成單晶解。半年前看這文章的時候還真沒明白。
  13. In order to facilitate the analysis of the minimum repeated unit cell, the following geometrical characteristics were assumed : ( a ) all the yarn segments parallel to a diagonal direction or braiding axis in all unit cells lying in the same layer of the perform are treated as forming inclined lamina or horizontal lamina after matrix impregnation, ( b ) fibers were considered to be straight and unidirectional

    以精確的復合材料單胞模型為基礎,從最小的可重復的單胞入手,對單胞的結構進行簡化分析,認為纖維是平直的,將單胞中的四個不同方向的纖維束看成是空間四個不同方向的單向復合材料,纖維束的性能可以等價于單向復合材料的宏觀性能。
  14. The results of case a and case b were about the same, thus it was displayed that modifying structure did not cause the bursting under low pressure but the damages of the structure. second, an analytical model was developed to assess the critical buckling problem of near surface interlaminar rectangular defects in the cylindrical part of srmcs under axis and interior pressure loads. the relationships between critical strain value and the parameters of geometry and radius of cylindrical were discussed

    在最大壓力為水檢壓力的作用下,應用有限元計算出殼體的整體變形以及不同部位的各種應力(不同應力分量)和位移分量,與試驗結果均比較吻合,證明採用大變形方法分析殼體宏觀應力和變形是合理的, a殼體與b殼體的應力、變形情況基本相同, b殼體發生低壓爆破不是由於結構參數的調整造成,而是由於各種試驗導致的累積損傷造成的。
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