Carbon content can be reduced to improve toughness without loss in strength by strictly controlling accelerated cooling processes.

通过加速冷却，可以在不影响强度的前提下，降低碳当量以改善钢的韧性和焊接性。

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The control group showed a decrease in soleus muscle mass and strength, the development of insulin resistance, and a loss of bone mineral density and resistance to breakage.

控制组的老鼠表现出比目鱼肌质量和力量下降，胰岛素抵抗上升，骨密度和抗折能力降低。

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In America VWs are even sold at a loss, because of the strength of the euro and the relative inefficiency of VW's German factories.

在美国，大众甚至亏本销售，这得归因于欧元的强势和大众德国工厂的相对低效。

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The study found this loss of bone strength increases the risk of broken bones later in life.

VOA: special.2009.03.10

Your commitment to strength training in particular will considerably reduce the muscle loss associated with aging known as sarcopenia, and studies show that strength training as people get older can also help reduce the risk of falls.

CNN: Should I always lift to muscle failure when weight training?

In this case, the worm Caenorhabditis elegans (C. elegans) was found by scientists at Rutgers University in New Jersey, US, to losing its muscle mass and strength as it aged, without any accompanying loss in nervous system function.

BBC: Waistline secrets revealed by worms

The control group showed a decrease in soleus muscle mass and strength, the development of insulin resistance, and a loss of bone mineral density and resistance to breakage.

FORBES: Didn't Have Time to Exercise? Drink Some Red Wine.