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Some policymakers think that climate-friendly policies are impeding the adoption of green hydrogen. They should ask scientists to review the evidence.
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Venture capital can fuel growth, but raising too early can cost you control and ownership.
（八）放射源，是指除研究堆和动力堆核燃料循环范畴的材料以外，永久密封在容器中或者有严密包层的放射性材料。
Most had positive experiences, with no gallstone complications.