Sephadex
n. [化](作为分子筛用于化学品的分离与提纯的) 交联葡聚糖,塞法戴克斯[商标名]
🔁 扩展释义
【化】 交联葡聚糖(凝胶)
🗣️ 情景例句
Garbage and chemical waste are destroying our water.
垃圾和化学废物正在破坏我们的水资源。
We have a small gift for you to take with you when you leave the factory.
你离开工厂时，我们有件小礼物要送给你。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。