Instead, he says, the solution to large-scale hydrogen production lies in using renewable electricity to extract hydrogen from water via electrolysis.

相反他认为大规模生产氢的解决方案在于使用可更新的电通过电解方式从水中提取氢。

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Scientists and funding agencies would like to understand what research directions they need to follow in order to make large-scale PEC-based hydrogen production a reality.

为了使基于PEC大型制氢成为现实，科学家和资助机构都想了解他们需要追随何种研究方向。

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Based on available frequency standards: one prototype laboratory model of cesium clock, three hydrogen clocks and several (2-6) rubidium clocks, the SO atomic time scale has been established.

利用我们现有的标准，一台试验型实验室铯束标准，三台氢原子钟以及若干台(2 - 6)铷气泡标准来建立原子时尺度。

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In all cases, there is no commercial scale output from them, be it hydrogen or fuel from algae.

FORBES: Biofuel From Algae: Different Prognoses

The nebulous field of nanotechnology, freighted with as much hype as legitimate promise, boils down to the process of manipulating matter on a molecular scale (a nanometer is one-billionth of a meter, about the width of ten hydrogen atoms).

FORBES: The Science of Small

The nebulous field of nanotechnology, freighted with as much hype as legitimate promise, boils down to the process of manipulating matter on a molecular scale (a nanometer is one billionth of a meter, about ten times the width of a hydrogen atom).

FORBES: The science of small