The result is a working battery just 300 micrometers thick – that’s 300 millionths of a meter – that is flexible, super-thin, and more energy dense than other thin-bodied batteries.

这样的结果是，电池仅有300微米厚——灵活而超轻薄，而且节能效果比其它电池更好。

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Cognitive function was assessed using a battery of 19 tests for various types of memory (episodic, semantic and working memory), as well as perceptual speed and visuospatial ability.

认知功能是由19个对记忆力(不连贯的，语义的，工作的记忆)，感知速度和视觉空间能力的各种检测来评价的。

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Dr Bauer is also working on a stretchable battery that is rechargeable.

鲍尔博士还在研究如何为这种可伸缩电池充电。

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But for the process to result in a working battery, all five layers must stick together and work in synchrony, and the tricky step was finding a separator material that kept the whole stack in one piece.

BBC: 'Paint-on' batteries demonstrated

We are also working on battery charging stations and smart grids.

FORBES: Behind BYD's Success With Chinese Customers

Boeing is working to replace battery systems that are believed to have been behind fires on two 787s run by Japanese airlines in January.

BBC: US lifts Boeing Dreamliner ban