Asymmetric cell division proceeds through four steps: first, an axis of polarity is established.
细胞不对称分裂一般要经历4个步骤:在细胞中建立一个极性轴;沿此轴定向并形成纺锤体;细胞命运决定子沿极性轴作极性分布;细胞分裂后,不同的细胞命运决定子指导决定细胞的不同命运。
By using the Maxwell s equations and axial symmetry,the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
利用麦克斯韦方程组和场的轴对称性,分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwell′s equations and axial symmetry,a method on calculating non-static axial symmetry fields with unstable charge source is given.
利用麦克斯韦方程组和场的轴对称性,给出了由对称轴的非静态电场计算含不稳定电荷源的轴对称非静态空间电磁场的一种方法。
This paper reveals the relationship between the parity of derivative function and the symmetry of the graph function,finding a effective way to judge whether the functional graph can have the axial symmetry or central symmetry.
揭示了函数导数的奇偶性与函数图像对称性的关系,发现了一种可以用来判定函数图像是否具有轴对称性或中心对称性的有效方法。
Electrical Properties in the Direction of Nonpolar Axes of RAP Single Crystals(Ⅰ)
邻苯二甲酸氢铷单晶非极性轴方向电学性能研究(Ⅰ)
On the Behavior of Squeeze Film Lubrication of Journal Bearings with Micropolar Fluids
微极性流体润滑的挤压膜轴承特性研究
Investigation in Basic Theory of Coaxial Virtual Cathode Oscillator and Principle Experiment;
同轴虚阴极振荡器基础理论研究及原理性实验
Effect of Temperature on Ultimate Axle Load for Semi-Rigid Asphalt Pavements
温度对半刚性沥青路面极限轴载的影响
A Selective Filter for Cytoplasmic Transport at the Axon Initial Segment
轴突起始段胞浆屏障与神经元蛋白的极性分布
THE ELECTROMAGNETIC FIELD OF A LINEAR ELECTRIC QUADRUPOLE MOVING UNIFORMLY ALONG THE AXIS OF THE QUADRUPOLE
沿轴线方向匀速运动的线性电四极子的电磁场
Analysis of the Dynamic Performance and the Stability of Liquid-lubricated Herringbone Grooved Journal Bearing (HGJB) with Micro-polar Lubricants;
螺旋槽微极性液体润滑径向轴承动力特性与稳定性分析
The stability of bearing materials is of utmost importance to the stability of the gyro.
轴承材料的稳定性对陀螺仪的稳定性是极为重要的。
Elastodynamics of Axi-Symmetric Deformation in Magneto-Micropolar Generalized Thermoelastic Medium
磁-微极广义热弹性介质中轴对称变形的弹性动力学
Polar vectors and axial vectors are distinguished by their inversion properties.
极矢量与轴矢量的区别在于它们的反演性质不同。
The Perturbation Analysis of Multipole Model Waves in a Borehole Surrounded by Equiaxial Crystallographic Anisotropic Formation;
等轴晶系各向异性地层井孔声多极模式波频散的摄动计算与分析
Research on the Ultimate Strength and Bending Rigidity of Minor Axis T-sub Semi-rigid Connections
弱轴T型钢半刚性连接节点极限承载力及抗弯刚度研究
Fabrication of Highly c-axis Textured ZnO Films by Cathodic Electrodeposition and Study on Its Optical Properties
阴极电沉积高c轴取向ZnO薄膜及其光学性能的研究
Pyrotechnic Current Generator with Axial Metal Electrode
带有轴向金属电极的烟火电流发生器放电性能研究
Relationship between flashover and inner electrode diameter under nanosecond pulsed coaxial electric field
纳秒脉冲下同轴内电极直径改变时闪络特性分析
Parameter Design and Performance Analysis for Three-degree Freedom Hybrid Magnetic Bearing with Bilateral Magnetic Pole Faces
三自由度双磁极面混合磁轴承参数设计与性能分析
Equivalent Linearization Method for Limit Cycle Flutter Analysis of Plate-Type Structure in Axial Flow
轴向流中板状结构极限环颤振分析的当量线性化法
hometaxial-base transistor
轴向均匀基极晶体管
