The obtained mutant strain was genetically stable, grew fast, had low demand for oxygen, and a very high lipase activity.

结果发现，该菌株遗传稳定，生长快，酯酶活力高，对氧的需求低。

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The team said it did not know exactly why probiotics may be harmful but speculated the supplements may somehow boost demand for oxygen and worsen already reduced blood flow.

研究组说他们并不确切的了解为何用微生物制剂有害，但推测是不知什么原因能推动对氧的需求，恶化原本就减慢的血液流动。

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According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.

研究表明，水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。

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Hypothermia is a rotten way to slow the brain's demand for oxygen.

FORBES: Brave Heart

China also missed its target for chemical oxygen demand, a measure of water pollution.

FORBES: Ending China Pollution An Uphill Battle

There are many aspects of this problem that may divide us, including all kinds of fears, funding limitations and the debate about the demand for illegal drugs that gives oxygen to gangs.

CNN: Don't turn your back on these children