通过对无机、有机离子化合物,极性化合物的实际分离分析,讨论了 EIC 柱的制备条件对柱涂层厚度和使用寿命的影响.Based on obtainedpapers, we studied preparing conditions of ( EIC ) column.通过控制步进电机的运动, 来实现对柱塞泵流量的精确控制.Through controlling the step motor moving, the accurate contr...
Protesters formed a human blockade to stop loggers felling trees.抗议者组成人墙阻止伐木者伐木。Our cruisers and destroyers continued to blockade the approaches.我们的巡洋舰和驱逐舰继续封锁所有的入口处.The leadership discussed a plan of economic measures t...