贯通孔 meaning in Chinese

communicating pores
through hole
thru hole

The addition of aluminium powders induced cement mortar to produce a mount of pore , the existing of pore could block path of through pore , so increased cement mortar impermeability . the experiments results revealed that appropriate addition amount of aluminium powders in cement mortar was 0 . 004 - 0 . 005 wt %
气泡的引入可以阻断水泥石中的贯通孔的通路，从而增加其抗渗性能，通过试验研究，铝粉在水泥砂浆中的掺量以( 0 . 004 0 . 005 )为宜。
Aminated and hydroxylated polysulfone membranes were prepared by amination and hydroxylation reaction , respectively . then bovine albumin ( bsa ) - fixed membranes were obtained by crossed - linking albumin into porous membrane with 1 , 1 ' - carbonyldiimidazole and bisoxirane reagents , respectively . a mathematical model for facilitated transport in asymmetric membranes with fixed site carriers was derived by assuming an instantaneous , microscopic concentraion fluctuation in the membrane
以氯甲基聚砜为基材，通过相转化法制备出具有底部贯通孔的非对称膜，通过胺化和羟基化反应，分别制得胺化聚砜膜和羟基化聚砜膜，再采用羰基二咪唑和双环氧烷两种活化试剂对其进行活化，将牛血清白蛋白固载在膜内，获得固定白蛋白促进传递膜。