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1)  Large orifice (discharge)
大孔出流设计
2)  Large orifice discharge
大孔出流
1.
The results showed the gating system which is according to proportional solidification, the large orifice discharge theory with blind feeder and iron chill has avoided defects of heavy ductile iron castings.
简述了某一曲轴连杆铸件的结构特点,采用顺序凝固理论和均衡凝固理论设计两种工艺方案,通过对比,结果表明,运用大孔出流,均衡凝固理论设计的浇注系统,采用暗冒口配合冷铁工艺,可以有效解决厚大球铁件生产中的铸造缺陷。
2.
Considering of the problems exist in practice,large orifice discharge principle is employed to study the pressure distribution of ring runner system,the even ablity for discharging of gates,the relationship of flow with the position of sprue and the type of gates.
根据生产中存在的问题 ,用大孔出流理论研究了环形横浇道系统的压力分布、内浇道出流均匀性及流量与直浇道引入位置和内浇道引入方式之间的关系 ,提出了圆形铸件环形横浇道系统新的设计思
3.
In the paper,based on the Propotional Solidification Theory and Large Orifice Discharge Theo- ry,the foundry technology of gray iron casting shell was designed by the method of CAD.
论文根据均衡凝固及大孔出流理论,用计算机辅助设计的方法改进了壳体灰铸铁件的铸造工艺。
3)  orifice design
节流孔设计
4)  large orifice discharge theory
大孔出流理论
1.
Gating system design of large and medium circular plate castings applying large orifice discharge theory;
用大孔出流理论解决大中型盘类铸件浇注系统设计问题
2.
Quality improving for large casting by applying large orifice discharge theory;
运用大孔出流理论改善重型铸铁件质量
5)  enlarged flow design
加大流量设计
1.
Model of enlarged flow design for low specific speed centrifugal pump;
低比转速离心泵加大流量设计模型
6)  maximum flow design method
加大流量设计法
1.
The centrifugal pump with wide efficient range is developed based on the maximum flow design method.
基于加大流量设计法,采用增加分流叶片和增大喉部面积等措施,研制了高效区宽离心泵。
2.
Low-specific centrifugal fire pump design method was put forward based on the maximum flow design method.
基于加大流量设计法,采取增加分流叶片和增大喉部面积等措施,提出了低比速离心式消防泵的设计方法。
补充资料:大孔
分子式:
CAS号:

性质:孔性固体(吸附剂和催化剂)孔的大小与其比表面的大小及吸附质分子的扩散有直接关系。最早由杜比宁提出,后由国际纯化学与应用化学联合会(IUPAC)承认将孔的大小依其缝隙宽度分为三类:大孔(macropores),>50nm;中孔(mesopores),2~50nm;微孔(micropores),<2nm。

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