1) arrangement of tube openings
管孔布置
2) Hole layout
炮孔布置
1.
It researches two key skills of pumping water power station underground digging as well as top-arch pouring steel fiber concrete constructing ratio,fixes digging construction plans and optimized hole layout and bursting parameters through digging simulating tests,so as to reduce the damage of rock and quaking effect.
对一抽水蓄能电站地下厂房岩锚梁岩台开挖和顶拱喷射钢纤维混凝土施工配合比两项关键技术进行了研究,通过开挖模拟试验,确定了岩台的开挖施工方案、最佳炮孔布置和装药结构等爆破参数,从而减少对保留岩体的破坏和爆破的振动影响。
3) layout of drill hole
钻孔布置
1.
The layout of drill hole and the determination of parameter in advanced water injection to prevent rockburst from occurring;
预防冲击地压煤层掘进注水钻孔布置与参数的确定
4) Layout of the blasting bores
炮孔布置
1.
Based on the experiment of fan-shaped blasting of sublevel caving method in Beiminghe iron mine,the paper analyzed the factors of affecting to blasting effect,optimized the blasting parameter,and selected logical layout of the blasting bores.
回采炮孔布置形式在很大程度上决定着爆破效果的好坏,从而影响着后续一系列生产的效率。
5) Blast-hole arrangement
炮孔布置
1.
An example of the application of vee cutting blasting technology in the cutting excavation of a certain highway in Anhui Province is introduced in this paper, and the design of blast-hole arrangement, blasting parameters, initiating network,stemming and safety measures are presented.
以中深孔V型拉槽爆破技术在安徽省滁宁高速公路路堑开挖中应用为例,讨论了V型拉槽爆破的炮孔布置、爆破参数选择、起爆网路设计和爆破安全评估等技术问题。
6) span layout
桥孔布置
补充资料：多孔层开管柱
分子式：
CAS号：
性质：在开管柱内壁上用适当的方法沉积上一层多孔性物质(如硅藻土、硅烷化硅胶、分子筛等)，即为多孔层开管柱。多孔性物质可做吸附剂用，也可做为载体再涂固定液使用。多孔性物质作为载体用的又称涂载体开管柱(support-coated open tubular column)。多孔层厚度约为0.1mm。与涂壁开管柱相比，它的内表面大，柱容量大，固定液流失减少，柱寿命增加。
CAS号：
性质：在开管柱内壁上用适当的方法沉积上一层多孔性物质(如硅藻土、硅烷化硅胶、分子筛等)，即为多孔层开管柱。多孔性物质可做吸附剂用，也可做为载体再涂固定液使用。多孔性物质作为载体用的又称涂载体开管柱(support-coated open tubular column)。多孔层厚度约为0.1mm。与涂壁开管柱相比，它的内表面大，柱容量大，固定液流失减少，柱寿命增加。
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