穿孔板原名冲孔板,就是在不同材质的板材上打孔得到的板材。
... 金属丝编织网woven wire cloth 穿孔板perforated plate 电成型薄板electroformed sheet ...
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导管分子轴向串成导管时,两个导管分子之间相通,其空隙部分,即称为穿孔 (perforation),而穿孔板 (perforation plate)指两个导管分子之间连接部分的细胞壁。穿孔分为单穿孔和复穿孔,复穿孔又有梯状穿孔、网状穿孔、麻黄式穿孔之分。
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... male parent 父本 madreporic plate 穿孔板 metatrophic bacterium 腐生细菌 ...
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计算机和网络硬件术语-P ... PS/2连接头是一种六针的圆形街头,有些是用于连接个人电脑的键盘和鼠标。PS/2连接头有二种大小,一是直径大约1/4英寸,另外一种大约3/8英寸。比较小的更多地被使用,但是转换适配器可以在两种尺寸的接头之间转换。 punchdown block(穿孔板) PWM: Pulse Width Modulation(脉宽调整) ...
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微穿孔板消声器 micropunch plate muffler
麻黄式穿孔板 foraminated perforation plate ; ephedroid perforation plate
梯状穿孔板 scalariform perforation plate
声串联穿孔板 TOPPERFO
穿孔板筛 Perforated Plate Sieves
穿孔板送风口 perforated panel air diffuser
穿孔板吸声构造 [建] perforated-plate sound absorption construction
穿孔板吸声材料 absorbing material
纤维水泥穿孔板 perforated plate
The theory of active absorption using perforated plate is proposed in this dissertation. The perforated plate is used as the material of active absorption.
采用声电类比与递推方法推导了由穿孔板、多孔吸声材料及空腔组成的多层吸声结构吸声系数计算的理论模型。
参考来源 - 主动吸声降噪理论与方法研究Vessel length of A. marina kept constant, and the simple perforation plate in A. marina increased flow rate.
白骨壤导管分子长度没有变化,且穿孔板为单穿孔,单穿孔对提高水流速度等方面更有利。
参考来源 - 红树植物木榄和白骨壤幼苗的解剖学特征对淹水胁迫的响应The noise spectrum induced by single aperture perforation plate has the approximate line spectrum ingredient. The single aperture perforation plate is easy to produce whistling.
单一孔的穿孔板产生的噪声谱具有大致线状谱成份,较容易产生哨声。
参考来源 - 水力空化的声学特性及其应用实验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以第一发明人获得一项有关微穿孔板方面的发明专利。
Obtain to concern small bore a hole with the first inventor board the invention of the respect is patent.
在领春木次生木质部中也观察到了端壁多穿孔板及侧壁穿孔板。
Multiple end wall and lateral-wall perforation plates were also observed in the secondary xylem.
穿孔板使建筑结构一步步有层次的展现,也有助于改善建筑室内的空气质量。
This perforated panel gradually reveals the project's architecture, and ACTS to improve the overall indoor air quality for the building's occupants.
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