单词：pathogens for the control of pests
单词：pathogens for the control of pests 相关文章
Pathogens with added genes from Arctic bacteria could serve as vaccines that elicit an immune response before getting cooked in our warm bodies. Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated
60秒科学
The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to have potential as bioweapons. The Bush administration increased funding for research on such toxi
60秒科学
Global Trade Carries Risk of Pests More than one trillion dollars worth of agricultural products is traded every year. But as countries buy and sell fruits, vegetables, timber and other products, they also may be putting domestic plants at risk. That
VOA标准英语2013年(四月)
AGRICULTURE REPORT - Question from Vietnam: How Can Food Companies Control Pests Safely? By Mario Ritter Broadcast: Tuesday, April 12, 2005 I'm Gwen Outen with the VOA Special English Agriculture Repo
农业与发展
When you arrive in New Zealand, people from Biosecurity check that do not bring any food with you. Because we are an island country, we try to keep out pests from other countries. We are not always successful though. Listen to September 25th 2008 for
新西兰英语
农业AGRICULTURE 农业方式Agriculturalpractices 农业设备Agriculturalequipment 农业管理Agriculturalmanagement 农业方法Agriculturalmethods 农业害虫Agriculturalpests 农业生产Agricu
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