单词:benzene formula
- benzene nucleus苯核
- Kekule formula[化] 凯库勒式(指苯结...
- benzene ring苯环
单词:benzene formula 相关文章
Im really into motor racing. Especially Formula One. It really is one of the most glamorous and exciting sports. Of course, its one of the fastest. Im amazed by the speed of the cars and how skillful the drivers are. Id love to drive a Formula One ca
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
BUENOS AIRES, March 15 (Xinhua) -- The route for the Formula One Argentine Grand Prix, to be held on 2013, 2014 and 2015 by the South American country in Mar del Plata city, at 400 kilometers south of Buenos Aires, was published in a local auto racin
RIO DE JANEIRO, Nov. 10 (Xinhua) -- Rio de Janeiro mayor Eduardo Paes is reportedly preparing a bold proposal to bring Formula 1 to the Brazilian city. Paes is seeking talks with Formula 1 CEO Bernie Ecclestone about the prospect of making Rio Brazil
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
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