Experimental results show that the flow stresses of the aluminum foams increase with increasing strain rate, demonstrating a distinct strain rate effect in the open-cell aluminum foams.

实验结果表明，通孔泡沫铝有明显应变率效应，随应变率上升，泡沫铝流动应力提高。

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The primary isolated strain was used to infect human transformed T-cell lines MT4, and a stable passage strain 29A was gained.

方法：用从该患者外周血单核细胞中分离的病毒株感染MT4细胞，获得可在该细胞上稳定传代的病毒株29A。

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Second, tough times are forcing firms to strain every brain cell to become more efficient.

ECONOMIST: How much longer can America keep increasing productivity?

But the strain on a lithium-ion cell in a plug-in is much greater than on the batteries in today's hybrids.

FORBES: Jump Start

When she created a strain of mice with the presenilin genes missing in their brains, the mice developed dementia and brain cell death just like Alzheimer's sufferers, but the mice had no amyloid deposits.

FORBES: Executive Health