During the process of gravel-packing in horizontal Wells, there are the filtration flow of the carrier fluid to the formation and the exchange flow through the screen slots.
由于携砂液向地层的滤失以及通过筛管缝隙的流体质量交换，水平井砾石充填过程中冲筛、井筒环空两个流动系统均为复杂的变质量流。
Under weak ligand field interaction, various types of improper packing of ligands will induce lig and exchange and rearrangement.
弱配位场作用下，配体不合理的堆积将导致配体的交换重排反应。
Hydrolysis of methyl formate to form formic acid was studied experimentally by using strong-acid cation-exchange resin as catalyst and packing in a catalytic distillation column.
在催化精馏塔内以压制的强酸性阳离子交换树脂为催化剂填料对甲酸甲酯水解制甲酸进行了实验研究。
应用推荐