单词:triorthocresol phosphate
单词:triorthocresol phosphate 相关文章
Doug Levine Forty-three-year-old jazz vocalist John Pizzarelli is one of today's top interpreters of the Great American Songbook. He's also a gifted composer and guitarist. This year John is celebrati
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
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
EDUCATION REPORT — June 20, 2002: ESOL and Glebe School By Jerilyn Watson This is the VOA Special English Education Report. Millions of students in American schools today are recent immigrants or ch
With The Winery Dogs Veteran Rockers Create All-Star Trio Three veteran rockers have come together to create an all-star trio. The names are familiar: drummer Mike Portnoy co-founded and spent 25 years with Dream Threatre, while recently playing with