Dual-power support for USB-powered computer, or lithium-ion battery-powered.

支持电脑USB供电或锂电池供电，双供电模式自由选择。

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For some - such as titanium, rhenium or lithium - Beijing is not even the dominant supplier, with Chile, the us, Congo, Australia and Russia being large producers too.

就拿钛、铼和锂等稀有金属来说，中国甚至不是占据主导地位的供应国，智利、美国、刚果、澳大利亚和俄罗斯等也是主要生产国。

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For a chemist, many organic compounds like dioxin and botulism toxin are extremely toxic, while inorganic compounds like sodium chloride or lithium are harmless or even beneficial.

从一位化学家角度来看，许多有机化合物如二恶英和肉毒毒素都是有毒物质，而像氯化钠和锂等无机化合物则是无害甚至有益的。

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So similarly, as we now move up only one more atom in the table, 3 so to an atomic number of three or lithium, now we're going from six variables all the way to nine variables.

类似地就像我们现在,移动到周期表中仅仅多一个电子的情况，移动到一个原子数为，或者锂元素,现在我们从6个变量到了9个变量。

麻省理工公开课 - 化学原理课程节选

Because it was in the 1950's or so, maybe the late 1940's, that people started to discover lithium, even though it had no natural function, it did do something in our bodies.

因为在二十世纪五十年代左右，可能是四十年代末期，人们开始发现锂，尽管不参与人体的正常生理活动，但是它确实会对我们的身体产生影响。

麻省理工公开课 - 化学原理课程节选

Printed electronics require conductors to create light or energy and that usually happens with calcium, magnesium or lithium.

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How about a WD-40 grease gun, or paraffin lube stick for windows, or lithium spray grease or two-stroke oil for your chain saw?

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Some green tech ideas, such as the manufacturing of solar cells or lithium-ion batteries, take years to move research out of the labs and into the factories.

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