等圆

  • 网络equal circle
等圆等圆
  1. 其中,桩基被看成是等圆截面的粘弹性Euler梁,并受到轴力的作用;

    Assume that the pile is a visco-elastic Euler beam with a circular cross-section on which an axial force is applied .

  2. 这两个方法通过在搜索过程中以不同的规则接受不优于当前解的新解,使搜索有可能逃离局部极小值陷阱,从而有效地求解了等圆packing问题。

    By accepting the new solution , whose quality is not better than the previous one , according to the different rules , the above two algorithms are possible to let the search escape from local minima and thus effectively solve the equal disks packing problem .

  3. 在造模后21d,取大鼠L5背根节用图像分析法观测细胞数、核偏心率及核等圆径。

    On the 21st day after the model establishments , DRG was used to observe the number of DRG cells , eccentricity of nucleus and equal radius of nucleus with the imaging analysis .

  4. 与等圆出水管相比,渐扩出水流道可以减小水力损失,提高泵装置效率10%~30%;

    Compared with circle pipe , the hydraulic losses of divergent discharge passage are smaller and the pump assembly efficiency is higher with 10 % ~ 30 % .

  5. 结果:在细胞核的几何参数中,恶性成釉细胞瘤细胞的面积、周长、等圆直径、短径、平均直径、圆度、轴比与良性成釉细胞瘤均有显著性差异(P<001)。

    Results : Seven parameters ( area , perimeter , equal diameter , minor diameter , mean diameter , round index , axis ratio ) out of ten shape factors were significantly different between malignant and benign ameloblastoma ( P < 0 01 ) .

  6. Mohr-Coulomb等面积圆屈服准则在边坡稳定分析中的应用

    Application of Mohr-Coulomb equivalent area yield criterion to slope stability analysis

  7. P细胞质膜PF面的IMP等面积圆直径平均值为5.220nm,EF面者为4.402nm;

    The diameters of circles of IMP of PF and EF faces of P cells are 5.220 nm and 4.402 nm .

  8. 首先分析电磁场数值分析中经常遇到的二维交变场Green函数矩形自作用单元积分,导出了八阶解析近似公式,同时还给出了积分奇异项的等积圆变换简洁闭式。

    This paper begins with the integral of rectangular self-reaction elements of Green 's functions in two-dimensional alternating fields , followed by a derivation of the eight-order analytic approximate formulations , and a compact closed-form for the integral singularity is also presented by using equal-area approximation .

  9. 本文利用等增益圆、等噪声圆概念并结合计算机优化,提出了一种以射频接收机整机噪声系数最佳为目标的LNA匹配电路设计方法,给出了理论依据、设计方法和设计实例。

    A design method of RF LNA match circuits targeting the best receiver 's global system noise performance using constant gain circles and constant noise circles concepts and computer optimization is presented . Based theory is analyzed and one example design is given .

  10. 在液相线温度下半连续铸造的ZL201合金组织为均匀、细小的蔷薇状组织,晶粒的平均等积圆直径为43.6μm,晶粒平均圆度为1.88。

    The microstructures cast at liquidus temperature ( 650 ℃) by LSC is uniform , fine and rose flowered . The average equal-area-circle grain diameter is 43.6 μ m and the average roundness is ( 1.88 . )

  11. 用等面积圆屈服准则分析复合边坡的稳定问题

    Stability Analysis of Composite Slope by Equivalent Area Circle Yield Criterion

  12. 等直圆梁在正交载荷作用下的强度校核

    Checking the strength of circle beam under effect of vertical force

  13. 莫尔-库仑等面积圆屈服准则的简化形式及应用

    Simplified form and applications of Mohr-Coulomb equivalent area circle yield criterion

  14. 摩尔-库仑等面积圆屈服准则及工程应用

    Mohr - coulomb equivalent area circle yield criterion and its engineering application

  15. 作者使用该系统已成功加工出一阶椭圆、二阶椭圆(卵型)等非圆齿轮副。

    Some elliptic gears and oval gears have been produced by the system .

  16. 存在轴向裂缝的等直圆杆扭转振动及其讨论

    The torsion vibration of a pole with crack along the shaft direction and its discussion

  17. 三等径圆管曲面连接的连续性研究及实现的方法

    Study on the continuity of the three constant radius tubes and the way to achieve it

  18. 等热流圆管内冰浆流体传热特性的解析研究

    Analytical Study on Heat Transfer of Ice Slurry in a Circular Tube with Constant Heat Flux

  19. 等距离圆线阵的波束形成

    Beamforming of Uniform Circular Array

  20. 在三维应力空间,采用解析几何的方法,导出了莫尔-库仑等面积圆屈服准则的简化形式。

    In 3-D stress space , simplified form of Mohr-Coulomb equivalent area circle yield criterion is derived by adopting analytic geometry method .

  21. 而等温温度对最终球化组织的平均等积圆直径和平均球化度的影响呈抛物线关系。

    The relationship between the holding temperature and the average of the equal-area-circle diameter or the average of the roundness was parabolic .

  22. 介绍圆管风速简易测量法的原理,并将这种方法和等面积圆环法的测量结果进行了比较。

    This paper introduces the principle of a method for velocity measurement in tubes and its comparison with the equal area method .

  23. 此时其晶粒在铸态下的形状因子为0.7,等积圆直径为49.6μm,其中浇注温度是晶粒形貌和尺寸的最主要影响因素,可信度达到95%;其次是Y的加入量和保温时间。

    The dominant influential factors are pouring temperature with the reliability of 95 % , then the Y content and holding time .

  24. 研究了在等径圆管中的聚合物&油膜两相流流动特征,由于管壁上残余油膜与注入聚合物之间的接触面为波纹状,故仍属波纹管流研究范畴。

    For the interface of residual oil in the wall and polymer fluid is ripple shape , it belong to the field of studying flow in undulating tube .

  25. 相同等温温度条件下,改变等温时间,等积圆直径的分布随时间的延长趋向均匀,晶粒球化度接近于正态分布。

    At the same holding temperature , when the holding time increased , the equal-area-circle diameter trended to uniform , and the distribution of the roundness approached to Gaussian distribution .

  26. 从而可利用材料力学中求解等直径圆轴扭转刚度的一般公式简便地求出变截面阶梯轴的扭转刚度。

    It can calculate the torsion rigidity of the variable section step-shaft simply using the general formula for calculating the same diameter shaft which can be found directly in material mechanics .

  27. 基于理论模型,分析了各参数,如构件轴压比、长细比、截面含钢率和材料强度等对圆钢管混凝土压弯构件荷载-位移滞回曲线的影响。

    Based on theoretical model , influences of several parameters , such as axial load level , slenderness ratio , steel ratio and strength of the materials on the load displacement hysteretic curves are analyzed .

  28. 相同保温时间条件下,改变等温温度,等积圆直径大的晶粒随温度的升高而增加,球状化程度高的晶粒数增多,平均等积圆直径和平均球化度同时增大。

    At the same holding time , when the holding temperature changed , the number of the long equal-area-circle diameter grain increased , and the average of the equal-area-circle diameter lengthened , the average of the roundness heightened .

  29. 晶粒平均等积圆直径最小可达42.6um,初始固相体积分数最多可达98.4%.同一温度下,晶粒尺寸随保温时间的延长而粗化;

    The results show that in the nearby of liquidus , the grains size becomes tiny with reducing of casting temperature , the least average equal - area circle grain diameter is 42.6 um , and the original solid fraction may reach 98.4 % .

  30. 等间隔放样圆曲线的两种新方法

    Two New Methods of Equidistant Layout of Circular Curve