1) staggered perforated plate
错叠多孔板
2) multi-hole orifice
多孔孔板
1.
Experimental study on main factor affecting throttling characteristic for multi-hole orifice;
多孔孔板节流特性主效应因素试验
2.
Experimental study on water throttling model of multi-hole orifice;
多孔孔板水节流特性试验及数学模型
3) hollow core composite slab
圆孔叠合板
1.
continuous composite slabs,two simply supported composite slabs and one simply supported hollow core slab in full size,the mechanical behavior under the serviceability loads and ultimate limit states,the characteristic of plastic internal force redistribution,and the rational moment adjust value of PC continuous hollow core composite slabs of highstrength engraved traces wires are studied.
通过足尺寸的４块２跨连续叠合板和２块简支叠合板及１块简支圆孔板的试验，研究了高强刻痕钢丝预应力混凝土连续圆孔叠合板在使用荷载及极限状态下的受力性能、塑性内力重分布的特点及合理的弯矩调幅取值，进一步完善了这种叠合板的设计计算方法及有关的构造和施工措施，提出了简便易行的保证叠合面粗糙度的施工方法，为这种叠合板的工程应用提供了依据。
4) perforated plate
多孔板
1.
Due to the existence of distributed holes, it is difficult to solve the bending problem of perforated plates by conventional finite element method.
由于密集型分市孔的存在，通常的有限元法不能有效地分析多孔板的弯曲问题。
2.
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。
5) multiple hole orifice plates
多洞孔板
1.
The degradation of rhodamine-B in the simulated wastewater has been experimentally investigated on a 220 L hydrodynamic cavitation set-up with multiple hole orifice plates to verify the effect of degradation with cavitation as well as investigate the influence of geometric parameters on degradation rate constant.
为了验证多洞孔板的空化效果和探讨几何参数等因素对降解速率常数的影响,在220L水力空化装置中利用多洞孔板对含有若丹明B染色剂的模拟印染废水进行了降解试验研究,结果表明:多洞孔板对若丹明B确实有降解作用,同时存在一个最佳的多洞孔板的面积比,并且降解速率常数随修正空化数的减小而增大。
补充资料：仪器仪表：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组件。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。孔板已有国际标准(ISO 5167)。测出孔板两端压差﹐按此标准即可算出具有一定精确度的流量值。孔板取压方式在国际标准中规定为径距取压﹑法兰取压和角接取压(取压孔紧靠孔板)3种(图1 各种取压方式
)。当测量含有少量固体的液体或含有少量液体的气体时﹐为便于少量固体或液体通过﹐孔板的开孔可制成扇形的﹐或制成与管道的轴线是偏心的(图2 孔板的形式
)。
)。当测量含有少量固体的液体或含有少量液体的气体时﹐为便于少量固体或液体通过﹐孔板的开孔可制成扇形的﹐或制成与管道的轴线是偏心的(图2 孔板的形式 )。
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