Quantum tunneling is involved in many physical processes, such as radioactive decay and the nuclear fusion that takes place in the Sun.

量子隧穿发生在许多的物理过程中，比如说放射性衰变和太阳上发生的核聚变。

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You might say, "Look, the physicalist can't tell us that, because all the physical parts are still there when you've got the corpse, at least if it's a fresh corpse before the decay has set in."

你可能会说，你看，物理主义不会告诉我们那些的，因为尸体所有的，身体器官部分都还存在，至少对于还未腐烂的尸体而言是这样的。

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As the researchers pored through published data on specific isotopes, they found disagreement in the measured decay rates - odd for supposed physical constants.

当研究者核对已经出版的同位素的数据时，他们发现查到的值和测量到的衰变速率不一致，而这个速率被物理学家假定是一个物理常量。

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The physical decay is evident and these areas suffer all the social problems associated with inner-city poverty.

ECONOMIST: Brazilian cities

Physical decay accounts for much of the problem.

ECONOMIST: Russia��s part-time president

The physical anthropologist who carried out the examinations, Professor Andrea Cucina said the work could have been done to treat tooth decay, and suggested some plant or other material, which would have since decayed, could have been inserted into the hole.

BBC: Prehistoric dentistry evidence found