单词:enzyme fermentation
单词:enzyme fermentation 相关文章
AGRICULTURE REPORT - Making Cheese the Traditional Way, Part Two By Mario Ritter Broadcast: Tuesday, October 04, 2005 I'm Jim Tedder with the VOA Special English Agriculture Report. Last week, we hear
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Germanys Harald zur Hausen and Frances Luc Montagnier and Francoise Barre-Sinoussi share the 2008 Nobel Prize in Physiology or Medicine, awarded October 6th. Barre-Sin
FAITH LAPIDUS: Im Faith Lapidus. DOUG JOHNSON: And Im Doug Johnson with EXPLORATIONS in VOA Special English. Since ancient times, people have grown grapes to produce wine. Join us as we tell about the history of wine and how it is made. We will also
You start with a liquid containing some kind of sugar, add yeast, and wait. The yeast digests the sugar, giving off alcohol in the process. The sugar in beer comes mostly from a grain called barley. With wine, the sugar usually comes from grapes. Eit
An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar