Substances obtained by means of nuclear transformation.

用原子核变换方法获得的物质。

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The operation of a machine may involve the transformation of chemical, thermal, electrical , or nuclear energy into mechanical energy, or vice versa.

机械的操作包含将化学能、热能、 电能或核能转换成机械能，反之亦然。

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Incorporation of a selectable marker gene during chloroplast genetic transformation is essential to obtain transformed chloroplasts, which is the same as nuclear transformation.

与核遗传转化相同，叶绿体遗传转化研究需要有合适的选择标记作为辅助手段。

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Only after the cost of generation and storage of renewable energy matches the cost of on-demand generation from fossil, nuclear and hydro we will we see a transformation of the energy industry.

FORBES: Storage, Not Generation, is the Challenge to Renewable Energy