筛域

类型Ⅰ：筛管分子端壁倾斜，筛域数多，都为复筛板，韧皮射线大多为单列。卫矛属（Euonymus）的5种植物属于这一类型；

In type ⅰ, as seen in 5 species of Euonymus , the sieve tube elements have more inclined end walls and numerous sieve areas ( compound sieve plates ), phloem rays are almost uniseriate .

韧皮部中筛管分子的端壁是由4&6个梯状排列的筛域组成的复筛板。

The end walls of sieve-tube elements in the phloem have 4 & 6 specialized sieve areas which together form compound sieve plates .

筛管分子均为复筛板，端壁倾斜平均含有7－8个筛域.（2）两属植物在射线和晶体类型上有明显区别：柳属植物次生韧皮部无石细胞；

And sieve elements with compound sieve plates and oblique end walls bearing 7 to 8 sieve areas . ( 2 ) There are obvious differences between them in type or ray cells and crystals . Sclereids were not found in secondary phloem in Salix .

双同步混沌吸引子动力系统中的筛形域

Riddled basins in dynamical systems with two synchronized chaotic attractors

耦合映射混沌同步系统在加性噪声中的筛形域性态

The characters of riddled basins in coupled chaotic synchronized maps with additive noises

耦合帐篷映射混沌同步系统的筛形吸引域

Riddled basin in chaotic synchronization system : linear coupled standard tent maps

讨论了两个线性耦合的标准帐篷映射混沌同步系统的同步混沌吸引子的吸引域，证明其是筛形吸引域。

The riddled basin of the chaotic synchronized attractor in linear coupled standard tent maps is studied and proved .

而且由于酸性位落位的不同，分子筛空穴的限域作用也表现各异。

The confinement effect is varied for different acid sites .

本文中利用理论计算的方法系统地研究了固体酸的酸强度以及分子筛的孔道限域效应对贝克曼重排反应机理以及活性的影响。

The influence of acid strength and pore confinement effect on Beckmann rearrangement reaction has been systematically studied by DFT calculations .