Proton decay, Decay lifetime, Baryon-number Conservation, Detector.

质子衰变；衰变寿命；重子数守恒；探测器。

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However, the nucleons in nucleus will decay and baryon-number conservation may not be absolute according to the Grand unified theory.

而大统一理论则预言在原子核中的核子将衰变，重子数守恒将被破坏。

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The belief group was trained on two false belief tasks, the perception group was trained on two visual perspective-taking tasks, and the control group was trained on two number conservation tasks.

信念组训练两个误信念任务，知觉组训练两个视觉观点采择任务，控制组训练两个数量守恒任务。

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Mulroy has initiated a number of conservation campaigns aimed at that overuse as well.

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Because this feature is a proven energy-saver, customers qualify for a number of conservation rebates.

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There is a vaccine for badgers - the BCG jab, which has been used by a number of wildlife and conservation bodies in England, including the Gloucestershire Wildlife Trust, the RSPB, the Wildfowl and Wetlands Trust and the National Trust.

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