How Scientists Select Materials to Pull Uranium from Seawater
科学家如何筛选从海水中提取铀的吸附材料
课文音频
Listen to the full story · 完整逐句/整段音频可在解锁后使用。
您仍可先看下方课文摘要;在阅读器可查看该书试读与权益说明。
课文
从第 4 课起,导读页仅展示部分正文,便于您了解难度与风格。
-
Seawater holds about 4.5 billion tons of uranium—enough to power reactors for thousands of years.
-
But its concentration is extremely low: just 3.3 parts per trillion, mixed among many competing ions like sodium and calcium.
Unlock full vocabulary & bilingual guide · 完整课文、逐句音频与全部译文请在解锁学习权益后于阅读器中查看。
Improve faster解锁本课完整体验