[网络] 六氘苯

SSS 2011-08-12

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(69) / 评论(0)

Scientific American(八)月

VOA标准英语2010年-Jonah Hex: Comic Book Gunslinger Comes

Jonah Hex. Are these the boys you wanted? You surely have done us quite a favor. A transaction is all it was. I'll collect my hundred dollar bounty on them and be on my way. From Superman and Spider Man to Josie and the Pussycats, Hollywood has a lon

发表于:2019-01-13 / 阅读(61) / 评论(0)

VOA标准英语2010年(六)月

WADA may change rules regarding clenbuterol

ROME, June 14 (Xinhua) -- World Anti-Doping Agency lab experts may change its rules regarding clenbuterol on their meeting next week. Clenbuterol is the drug that cyclist Alberto Contador tested positive for at last year's Tour de France. Contador bl

发表于:2019-02-06 / 阅读(67) / 评论(0)

英语新闻

净化室内空气选这些植物就对了！

Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康

发表于:2019-02-07 / 阅读(66) / 评论(0)

阅读空间

2013 Kazan Universiade to attract 9,500 athletes

MOSCOW, Dec. 5 (Xinhua) -- Around 9,500 athletes are expected to participate in the 2013 Kazan Universiade, Russian Sports Minister Vitaly Mutko said Wednesday. We think that 9,500 athletes will take part, plus 1,500 to 2,000 coaches and specialists,

发表于:2019-02-09 / 阅读(83) / 评论(0)

英语新闻

夏说英语新闻晨读第499期:兔子与绿萝杂交

本期内容： A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou

发表于:2019-02-20 / 阅读(50) / 评论(0)

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acupiction

afferent lymphatics

Aladale, Glen

alasanite (alazanite)

amplitude discrimination circuit