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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After training, all subjects received five posttest tasks: box task, transfer task, appearance-reality task, sources task and number conservation task.

训练后，被试接受5种后测任务：盒子任务、转移任务、外表-事实任务、来源任务和数量守恒任务。

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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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