1) periodic plane elasticity
周期弹性平面
2) regular-plane-division
周期性平面分割
1.
Escher was an excellent and peculiar artist, in his artworks, the relativity of space time, the amalgamation of different kind of space time, artistic space metamorphose with the development of perspective, and the metamorphose based on regular-plane-division were significantly demonstrated.
埃舍尔是一位非常杰出和特殊的艺术家,在他的作品中对时空的相对性、多种时空的融合、研究透视法而做的时空的艺术变形、以及以周期性平面分割为手法的变形都有非常突出的表现。
3) plane elasticity
平面弹性
1.
The direct integral expression of nth-order stress intensity factor in fracture problem for plane elasticity;
平面弹性断裂问题各阶应力强度因子的直接积分表达
2.
In this article, the multivariable plane elasticity variation principle for divided region is presented, which includes the boundary conditions for each divided region and covers five classes of equations such as equilibrium, stress_stress function, displacement_strain, compatibility and material behaviour.
将平面弹性问题的多类变量变分原理进一步推广应用于分区 ,并形成分区的平面弹性多变量变分原理。
3.
hree formulation of the doubly periodic mixed boundary value problem inplane elasticity is proposed when the displacements given on the closed boundary contours ofa multconnected elastic region are relative to certain rigid motions which are different to eachother for different boundary contours.
给出双周期基本胞腔内含若干个任意形状孔洞的具相对位移的平面弹性混合边值问题的三种提法，并采用复变函数方法，建立数学模型，推广方法构造出复应力函数解的形式。
4) Planar elasticity
平面弹性
1.
For pure displacement planar elasticity problem,a nonconforming triangular element is constructed with numerical methods by restricting div v~→∈P_1.
对于纯位移平面弹性问题,在不完全3次多项式空间中,用数值方法基于div(?)∈P_1构造了一个二阶收敛的非协调三角形单元,该单元是非闭锁的,数值算例验证了该单元的收敛性结果。
2.
The theme of this dissertation is using nonconforming finite element methods to avoid Locking phenomenon in planar elasticity problem, a such rectangle element is given.
本论文主要考虑的是用非协调有限元方法解决平面弹性问题的Locking现象,我们构造了一个四边形单元,能够克服Locking现象。
3.
Most of the existing finite elements for the pure displacement planar elasticity problem are one order convergent.
对于纯位移平面弹性问题,以往构造的单元的能量模误差多是一阶收敛的,本文在不完全三次多项式空间中,基于divv∈P1的限制构造了一个14自由度的非协调三角形单元,该单元是Locking-free的,且能量模和L2―模误差分别达到了二阶和三阶收敛,并且通过数值实验验证了该单元的理论结果。
5) cyclostationarity
周期平稳性
1.
By precoding the successive orthogonal frequency division multiplexing (OFDM) blocks with unequal sizes, a cyclostationarity is introduced in the received signals, so the channel can be identified blindly.
该系统通过将相邻的 OFDM分组编码成不同的长度 ,可在接收信号序列中引入周期平稳性 ,从而实现信道的盲辨识 。
6) periodic surfaces
周期性曲面
补充资料：低血钾性周期性麻痹
低血钾性周期性麻痹
hypokalemic periodic paralysis
家族性周期性麻痹中的一种类型。为常染色体显性遗传。在我国大多数病例为散发而无家族史。发作多在夜间或清晨醒来时，病儿发觉不能移动自己的肢体，但说话和呼吸正常，重症四肢完全不能活动，不能抬头。发作时肌肉呈弛缓性麻痹，腱反射消失，感觉正常。麻痹持续数小时至2天。发作频度不等，一般不多于每月1次。发作时血清钾减低，为2.5～3.5mmol/L，心电图有低血钾表现。治疗发作时给一次氯化钾口服；重者可静脉滴注氯化钾，同时心电监护以防高钾血症。预防发作可于每晚睡前服氯化钾一次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条