Magnetotactic bacteria may play a significant role in biogeochemical cycles, especially in iron cycle.

它们在生物地球化学循环中起着重要的作用。

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Washables can have a lower carbon footprint, but only if you have an energy-efficient washing machine, use a 60-degree wash cycle, limit yourself to 24 nappies, and don't tumble dry or iron them.

只有在你有一个高能效的洗衣机，使用60度洗衣周期，限制在24片尿布以内，不要甩水和熨干的情况下，可洗尿布的碳足迹才会相对比较低。

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Hard assets such as iron ore and copper mines - which tend to perform in line with the commodities cycle - require less from management to make a deal work.

象铁矿和铜矿之类的“硬资产”的操作与商品的周期趋于一致，在使交易运行的管理上要求更低一些。

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Galmudug regional government Minister of Planning Omar Mohamud warns that not implementing a long-term solution to the water problem will fuel the vicious cycle of droughts, hunger,and violence and keep the Somali people in the iron grip of poverty.

VOA: standard.2009.10.06

Maybe it was the hyperinflation he'd lived through as a young adult in Austria, in the 1920s, but he simply did not believe governments should or could iron out the bumps in the economic cycle.

BBC: Masters of Money: Friedrich Hayek

Nanophosphate EXT is based on A123's proprietary lithium iron phosphate battery technology, which offers high power, long cycle life, increased usable energy and excellent safety as compared to other available battery technologies.

ENGADGET: A123 Systems' new lithium ion tech keeps EV batteries cool, your wallet in check

The rusty iron chain that double-locked the cart to the front wheels of the cycle began to squeal as he rode.

NEWYORKER: The Elephant