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1·Helium is the by product of millennia of radioactive decay from the elements thorium and uranium.

氦是钍和铀元素数千年放射性衰变的副产品。

2·It's about 70 degrees, the sun is beating down, it smells like decay, and it's time for Coke to move some product.

现在大约70度，阳光烤晒着大地，好像要把一切都烤焦。现在是时候拿出可口可乐公司的产品了。

3·Where glulam beams will be exposed to weather, request a preservative-treated product or consider wood that has a natural resistance to decay, such as Alaska yellow cedar or Port Orford cedar.

凡集成胶合木梁材将要暴露在室外天气下，要求产品用防腐剂进行处理，或考虑运用具有天然抗腐烂的木材，如阿拉斯加黄杉木或港口奥福德杉树。

4·It occurs in Uranium ores as a by product of nuclear decay.

它作为一种原子核衰变的副产物，产生在铀矿石里。

5·In addition, the decay from WIMP to super-WIMP should have produced photons or electrons as a by-product, and these particles can smash into light nuclei and break them apart.

而且，在弱相互作用重粒子衰变成超级弱相互作用重粒子过程中，应该产生光子和电子等副产品，并且这些粒子也会与质量较轻的原子核发生碰撞，将它们撞碎。

6·The decay rate of M-product was stable with low humidity and was accelerated rapidly with humidity higher than 70%.

在相对湿度小于70%时，M衰减速率相对稳定，不随湿度改变而变化； 但当湿度大于70%时，则衰减速率急剧上升。