beta decay

scientists are studying neutrinoless double beta decay.

科学家们正在研究无中微子双贝塔衰变。

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the teacher explained inverse beta decay in physics class.

老师在物理课上解释了逆贝塔衰变。

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the teacher explained allowed beta decay in the physics class.

老师在物理课上讲解了允许的β衰变。

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half-lives are characteristic properties of the various unstable atomic nuclei and the particular way in which they decay. alpha decay and beta decay are generally slower processes than gamma decay.

半衰期是各种不稳定原子核的特性，是它们衰变的特殊方式。α衰变和β衰变一般比γ衰变为慢。

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the shape of the electron spectrum in beta decay is not dominated by properties of the matrix element.

β衰变的电子谱的形状不取决于矩阵元的性质。

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the teacher drew a beta decay scheme on the board.

老师在黑板上画了一张β衰变图式。

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scientists study the beta decay electron in the lab.

科学家们在实验室里研究β衰变电子。

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the teacher explained beta decay energy in the physics class.

老师在物理课上讲解了β衰变能。

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dr. fermi proposed the beta decay theory.

费米博士提出了β衰变理论。

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the teacher explained tritium beta decay in science class.

老师在科学课上讲解了氚β衰变。

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the scientist explained inverse beta decay to the students.

这位科学家向学生们解释了逆β衰变。

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A method is described for measuring the beta spectrum from tritium decay in order to determine the electron-antineutrino rest mass.

本文提出一种从氚衰变β谱确定电子反中微子静止质量的新型结构β谱仪。

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The radioactive transformation giving rise to these electrons was known as beta decay.

产生这种电子的放射性变化,称为β衰变.

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our teacher explained classical beta decay in the physics class.

我们的老师在物理课上讲解了经典贝塔衰变。

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the scientist explained forbidden beta decay to the students.

这位科学家向学生们解释了禁戒β衰变。

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the scientist explained dual beta decay to the students.

这位科学家向学生们解释了双贝塔衰变。

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the teacher explained positron beta decay in the science class.

老师在科学课上讲解了正电子β衰变。

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Double beta decay in nuclei plays an important role in testing lepton number conservation and neutrino mass.

原子核双β衰变在检验轻子数守恒律和中微子质量等问题上都起了重要的作用。

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couched in mathematical language within the framework of the quantum theory, it gave a satisfying explanation of beta decay.

如按量子理论的观点表达为数学语言，就可对β衰变作出满意的解释。

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Radioactive series: Any of four sets of unstable heavy atomic nuclei that undergo a series of alpha decay and Beta decay until a stable nucleus is achieved.

放射性系：四组不稳定的重原子核，通过一系列α衰变和β衰变直至达到稳定的核为止。

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Let us very briefly rehearse one or two facts about nuclear beta decay.

让我们非常简要地复述一下有关该β衰变的一两件事实.

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the scientist studied the beta decay spectrum of the element.

这位科学家研究了该元素的β衰变能谱。

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the scientist explained delayed beta decay to the students.

这位科学家向学生们解释了延迟β衰变。

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