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- The study of the stem's secondary xylem of Rhus chinensis Mill reveals that perforation plate is simple perforation plate. 对盐肤木茎进行木材解剖学研究,发现其导管分子穿孔板为单穿孔板。
- There were two types of vessel perforation plates, simple perforation one and scalariform plant. 一端是梯状穿孔板,另一端为孔纹增厚的导管;
- simple perforation plate 单穿孔板
- Simple perforation plates 单穿孔板
- Comparative studies of perforation plate structures of vessels in Ranunculaceae. 毛莨科植物导管穿孔板结构的比较观察.
- Results show that the acoustic system of micro perforation plate can effectively reduce discharge noise. 试验表明,微穿孔板吸声结构可有效地降低排气噪声。
- There were characteristics in the vessel elements of jackfruit such as the wider diameter, the larger simple perforation and the larger simple pits in the sidewall of vessel elements. 这些特征为菠萝蜜生长过程中水分的需求提供了强有力的保证作用。并从导管分子个体发育与系统发育的角度进行了讨论。
- Perforated plates correspond to heterogeneous media. 多孔板相当于均匀介质。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- It is demonstrated that the use of the perforated plate affords a high level of gas holdup,especially at higher superficial gas v... 结果表明,多孔板分布器加入后淤浆床内的气含率较高,这种差异在较大表观气速下尤为明显,同时床内的流动变得均匀。
- Only vessels were observed in Selaginella sanguinolenta and Selaginella pulvinata, including two types of scalariform perforation plates and reticulate-scalariform perforation plates. 圆枝卷柏、垫状卷柏仅观察到导管，有梯状穿孔以及网状-梯状混合型穿孔2种类型。
- The design program has been introduced with a perforated plate distributor in a molecular sieve adsorber of a small scale air separation unit as an example. 以小型空分设备分子筛吸附器的孔板分布器为例，通过例题演算，介绍了设计程序。
- The sporangium dehisces longitudinally.Centrarch xylem consists of G-type conducting tracheids bearing annular secondary thickenings, between which are irregular simple perforations. 心始式木质部由G-型输水管胞组成, 环纹次生加厚带之间分布不规则的简单穿孔。
- Small savoury biscuits provide a simple appetizer. 可口的小饼乾就是简单的开胃品。
- The hydrodynamics of slurry bubble columns with and without a perforated plate distributor have been investigated with a coal solid concentration of 29% (wt) under a continuous operation mode for both liquid and solid. 摘要对于有、无进料口多孔板分布器两种结构下淤浆床中的流动特性进行了考察。
- A slide-rule is a simple analogue computer. 计算尺是简单的模拟计算机。
- I like my clothes to be simple but elegant. 我喜欢朴素但漂亮雅致的衣服。
- It is demonstrated that the use of the perforated plate affords a high level of gas holdup, especially at higher superficial gas velocities, and nearly uniform distributions of the solid within the column. 结果表明，多孔板分布器加入后淤浆床内的气含率较高，这种差异在较大表观气速下尤为明显，同时床内的流动变得均匀。
- I think this problem is very simple and clear cut. 我认为这个问题非常简单明白。
- Taking into account the climate of Guangzhou that strong horizontal solar and highly annual air temperature, and also consider for integrated solar building, a unglazed perforated plate double roo. 本文针对广州地区水平太阳辐射强烈、年平均温度高的气候特点，考虑了太阳能利用设施与建筑结合的要求，设计了多孔板构造双层屋面结构，试图在屋面满足隔热要求的同时探索热利用的途径。
