1) small-perforated sieve tray
小孔筛板
1.
Measurement and calculation of clear liquid height on the small-perforated sieve tray;
小孔筛板上清液层高度的测量与计算
2) Sieve tray
筛孔塔板
1.
Dry plate pressure drop of conventional sieve tray and tapered sieve tray were measured with air in a φ500 mm transparent tower made of polymethacrylate.
在直径500 mm的有机玻璃塔内,以空气为物系,对普通筛孔塔板和锥形筛孔塔板的干板压降进行测定,根据Hughmark-O'Connell关联式计算得到孔流系数。
2.
Two different types of orifices were opened on wall of exit weir of both sieve tray and fixed valve tray for comparison.
针对固定阀塔板和筛孔塔板,在出口堰上开倒梯形和条形两种型式的分流孔,对从堰上分流孔分流出去的液量作了实验研究,得到了分流液量随气、液流量变化的规律。
3.
Possibility of the unit expansion to 56 000 b/d has been discussed together with the optimum design criterion of sieve tray.
深入探讨了对筛孔塔板的优化设计判据,指出应根据塔板的作用来区别考虑塔板的适宜操作范围。
3) large-hole sieve tray
大孔筛板
4) perforated-plate sieve plate screen
孔板筛
5) perforated screen
多孔板筛
6) punched plate screen
冲孔板筛
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条