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- 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。
- micro perforation plate 微穿孔板
- 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.
- 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。
- At last, the test for the MA60 APU noise with the micro perforated absorber is present in this paper. 最终将微穿孔板消声器安装到新舟60飞机APU的排气管道上在飞机场进行现场测试，得到了满意的降噪结果。
- 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;
- Perforated plates correspond to heterogeneous media. 多孔板相当于均匀介质。
- 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。
- He only put a bit on his plate to make fashion. 他只是拨了一点食物到盘子里做做样子。
- The number shall be cut in on a plate. 号码将雕刻在一块金属板上。
- How fast does the new micro process the data? 这新微型计算机处理数据有多快?
- I hid the broken plate behind the table. 我把打碎的盘子藏在餐桌后面了。
- 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。
- That boat is done with the steel plate. 那艘船是用钢板做的。
- 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。
- This glass plate is very fragile. 这个玻璃盘子很容易碎。
- He's eaten a whole plate of french fries. 他把一盘油炸土豆条全吃完了。
- A packed bed of granular material sandwiched by two perforated plates, is a good distributor. 两块孔板中间填有一层颗粒物料，是一种很好的分布板。
