减速电极;抑止电极

用Mp3背六级单词044

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发表于:2018-12-01 / 阅读(188) / 评论(0)

用Mp3背六级单词

SSS 2011-12-30

This is Scientific American's sixty seconds science, I'm Christopher Intagliata. Got a minute? Instead of installing solar paint on your roof how about just giving a house new paint job of cause you'd have to sure to use solar paint. That's what to a

发表于:2018-12-02 / 阅读(185) / 评论(0)

Scientific American(十二)月

发现可以给手机充电的细菌

Bacteria Discovered To Recharge Cell Phone A microbe called Rhodoferax Ferrireducens，found in the mud at Oyster Bay，Virginia，has been discovered to transfer electrons directly onto an electrode

发表于:2018-12-18 / 阅读(144) / 评论(0)

有声杂志阅读

2010年麻省理工学院清洁能源奖揭晓(有声)

Time for M.I.T.s Clean Energy Prize. The annual competition gives teams of university students a chance to compete for $200,000 to kick-start their new clean energy business. One finalist designed a compression technology for natural gas wells that w

发表于:2019-01-02 / 阅读(356) / 评论(0)

60秒科学

SSS 2008-08-01

This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan

发表于:2019-01-04 / 阅读(167) / 评论(0)

Scientific American(八)月

英语听书《白鲸记》第707期

Don't ye love sperm? There goes three thousand dollars, men!a bank!a whole bank! The bank of England! 你们不爱鲸脑么？这准值三千块钱，伙伴们！一个银行！整整一个银行！英格兰银行！ Oh, do, do, do!What's that Yarman

发表于:2019-03-10 / 阅读(188) / 评论(0)

白鲸记

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allantoic circuIation

allyl plastic

anti-fall device of rotary machinery