"For grid storage, the battery can be huge, and using sodium and potassium is very attractive because they are so abundant and cheap," Cui says.

对于栅极存储，这种电池存储是巨大的，同时又是具有吸引力的，因为这种电池使用的是钠离子和钾离子而且这些元素可以在废弃物中重新利用同时又很便宜，Cui说。

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Reporter Cui Weiyuan talks to Professor Xiang-Sheng Chen about how detection and care of STIs can and should be linked to that of HIV.

如何将性传播感染和艾滋病毒的发现与治疗相结合，记者崔伟元就这一问题采访了陈祥生教授。

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