目前中国已是全球最大的氢气消费国，年用量约3600万吨，主要集中于化工与冶金领域，大量氢气来自煤炭裂解产生的灰氢，虽然成本较低，但伴随高碳排放与污染。而绿氢通过电解水制取，全程零碳排，是真正清洁的氢能。
The journals then paywall your work, sell the access back to you and your colleagues, and pocket the profit. Universities cover these subscriptions and fees by charging the government “indirect costs” on every grant—money that doesn’t go to the research itself, but to all the things that support the research, like keeping the lights on, cleaning the toilets, and accessing the journals that the researchers need to read.，这一点在爱思助手下载最新版本中也有详细论述
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Authors:Tanishq Kumar, Tri Dao, Avner May，更多细节参见电影
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