孔板安装在封闭管道中，按节流装置的原理，测量液体、气体和蒸汽流量的检出元件。标准孔板是一块具有圆形开孔的金属薄板,圆孔壁与孔板前端面成直角,安装时孔板轴心与管道轴线同心。
孔板法兰 orifice flange
孔板流量计 Orifice Plate Flowmeter ; orifice flow meter ; SITRANS
限流孔板 restriction orifice ; RO ; BN-XLB
流量孔板 flow orifice plate ; orifice plate ; diaphragm
穿孔板 [建] perforated plate ; [建] perforation plate ; madreporic plate ; punch down Block
多孔板 [化工] perforated plate ; breaker plate ; perforated distribution plate ; multi-orifice
插孔板 jack panel ; punch down ; jack plate
偏心孔板 [机] eccentric orifice plate
同心孔板 concetric orifice plate
孔板的压力被认为是由卷吸和涡流造成的。
Orifice's pressure losses are attributed to entrainment and eddy formation.
在内部作成圆形凸肩以代替锐缘孔板状的侧面。
It has rounded shoulders inside instead of the sharp orifice - like edge.
一般，大规模筛选依赖于96孔板，尽管更高密度的形式也是可能的。
Typically, high-throughput screening has relied on 96-well plates as the standard, although higher-density formats (356, 712) are possible.
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