It is very important to deeply study the formation and the dynamics of spiral wave.
因此深入研究螺旋波的形成及其动力学行为具有重要的意义。
Objective: To study the spiral wave dynamics in controlling ventricular fibrillation.
目的：探讨控制与消除心室颤动的方法。
The spiral wave can be driven out of the boundary when suitable effective control was put on it.
有效驱动时，合适的强度可以使旋波被驱出边界。
But for larger areas of ischemia spiral wave formed a typical functional reentry around the obstacle.
但在大面积局部缺血时，螺旋波呈现典型的围绕障碍物旋转的功能性折返。
Spectrum analysis reveals the frequency characteristics of vortex breakdown point oscillation and spiral wave.
频谱分析确定了破裂点脉动和螺旋波的频率特征。
In a spiral wave, the orbits are progressively misaligned, so that the region of enhanced density is a curved line.
在螺旋波里，轨道则是逐渐弯曲，所以密度变大的区域是曲线状。
One is that the spiral wave and spatiotemporal chaos can be effectively suppressed by limiting the total current of potassium.
结果表明：限制钾离子总电流能有效抑制螺旋波和时空混沌；
If the satellite has an elliptical orbit the result is a spiral wave a miniature version of the pinwheel pattern of our galaxy.
如果卫星的轨道是椭圆的，就会产生螺旋波，就像是银河系纸风车形状的缩影。
If the satellite has an elliptical orbit, the result is a spiral wave, a miniature version of the pinwheel pattern of our galaxy.
如果卫星的轨道是椭圆的，就会产生螺旋波，就像是银河系纸风车形状的缩影。
Methods: The numerical simulation for controlling ventricular fibrillation in 2D cardiac excitable media was studied by spiral wave dynamics.
方法：利用旋波动力学的研究方法，对二维心脏系统施加周期驱动与有效驱动数值模拟心室颤动的控制和消除。
Spiral wave is one of the most important patterns, which are far away from balanceablestates, and it is also a common pattern formation in the nature.
螺旋波是远离平衡斑图结构中最为重要的一种类型，也是自然界中常见的一种斑图形式。
The more instable the stratification of the atmosphere and the smaller the absolute and relative angular velocities, the more likely it forms the spiral wave.
层结越不稳定，绝对和相对角速度越小，越有利于螺旋结构的形成。
The phenomenon that the modulated calcium conductivity transforms spatiotemporal chaos into spiral wave is observed. The control mechanism is briefly discussed.
在钙电导率按行波方式变化下，观察到时空混沌转变成螺旋波的现象，对控制机制作了简要讨论。
The analytical solutions concerning intracellular calcium spiral and target wave in the Xenopus laevis oocyte are obtained.
第四、首次得到了非洲爪蟾卵母细胞内的螺旋钙波和靶波的解析表达式。
Tn this paper, the galactic spiral structure is studied by the galactic shock wave of interstellar gas with self-gravitation. The perturbed gravitation of stars is not ?
本文用星际气体自引力星系激波来解释星系的螺旋结构、恒星的扰动引力场并非必要条件。
As the research indicates, the structural parameters of the spiral curve slow-wave systems have complicated influence on its fundamental wave dispersion characteristics and coupling impedance.
研究结果表明，螺旋线慢波系统的结构参数对它的基波色散特性和耦合阻抗影响非常复杂。
Based on the nonlinear equations of the theory of density wave, the evolutionary direction and the observable conditions on spiral galaxies may be derived by the qualitative analysis theory.
基于密度波理论的非线性方程，用定性分析理论可导出旋涡星系的演化方向和由观测可得到的演化条件。
In this paper we discuss the spiral structure of dish galaxies in three-dimension according to the density wave theory.
本文从密度波理论出发，讨论三维盘状星系的旋臂结构。
The solitary wave theory of the weakly nonlinear, non-axisymmetric disturbances is used to model the spiral vortex breakdown.
本文使用弱非线性、非轴对称扰功波的孤立波模型模拟螺旋型涡破裂。
The spiral curve structure can be used in slow-wave systems.
螺旋线结构就可以作为慢波系统；
The seal principle and its constriction of H-type complex gasket were introduced, as compared with wave-toothed compound gasket and spiral wound gasket.
介绍了H型复合垫片的密封机理和结构，并且与波齿垫片和缠绕垫片的密封性能进行了比较。
Finally, the simplified beam-wave interaction dispersion equation of Gyro-TWT with a spiral corrugated waveguide was obtained from the equations for electronic locomotion.
最后，由电子运动方程出发，推导出了简化了的螺旋波纹波导回旋行波管的注波互作用色散方程。
We studied the attenuation electromagnetic wave in conductive dielectric materials by the logarithmic spiral method in the paper.
本文把对数螺线方法应用于导电性电介质中的衰减电磁波。
We studied the attenuation electromagnetic wave in conductive dielectric materials by the logarithmic spiral method in the paper.
本文把对数螺线方法应用于导电性电介质中的衰减电磁波。
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