单词：creosote phosphate
[医] 磷酸木溜油
单词：creosote phosphate 相关文章
Pack rat. The name is synonymous with hoarding. And researchers have learned that pack rats can actually increase the range of foods theyre able to eat because of their collection of gut bacteria. Pack rats live in the American Southwest, where they
发表于:2018-12-24 / 阅读(20) / 评论(0)
2014年Scientific American(七)月
2014年Scientific American(七)月
pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con
发表于:2019-01-03 / 阅读(59) / 评论(0)
医务英语
医务英语
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
发表于:2019-01-08 / 阅读(82) / 评论(0)
Scientific American(四)月
Scientific American(四)月