Jeff: Of course, they have strange appearances, such as duckbill , millie, and kookaburra.杰夫: 当然, 它们的外貌稀奇古怪, 有鸭嘴兽 、 针 、 笑翠鸟.She has made several television appearances recently.她最近参加一些电视演出。Objective To explore the angiog...
方法: 用浑浊法测定体系的分层曲线,自动电位滴定仪测定平衡两相中醋酸的含量,通过绘制出的三元相图,筛选萃取剂.Methods: Using the turbidity method and analyzing the acetic acid concentration of both phases at equilibrium....
This paper describes electrosparking machine controller with 8031 SCP and it's implementation of software and hardware.介绍由8031单片机组成的电火花成型机床控制器及其软、硬件配置....