The current study showed that the hand-actuated inoculation of 2N3's strain could effectively increase degradation rate of chlorimuron-ethyl in contaminated soil .

研究表明，人工接种降解菌2N3可提高土壤中氯嘧磺隆的降解率，有效降低其在土壤中的残留。

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U. S. consumers have been bombarded with reports of contaminated food in recent years, from salmonella in peanut butter and spinach to E. coli in cookie dough and ground beef.

近年来，美国消费者连珠炮似报告食物污染，从花生酱和菠菜的沙门氏菌到饼干面团和碎牛肉的大肠杆菌。

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In response to reports of contaminated milk-based infant formula manufactured in China, the U. S. Food and Drug Administration (FDA) today is issuing a Health Information Advisory.

对在中国生产的婴儿的奶制品所用的牛奶受到污染的报道作出回应，今天美国食品及药品监督局(FDA)发布健康咨询信息。

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She says when state regulators tested imported shrimp they found it was contaminated with antibiotics and other chemical residues that are illegal in the U.S.

VOA: standard.2010.05.27

You've probably seen agar plates, if you smear a solution that's contaminated with bacteria on it, then that bacteria will grow on this agar rich medium and you'll get many, many copies of the bacteria that you've smeared at low density onto the plate.

你们大概见过琼脂培养基,如果将有细菌的溶液涂抹在培养基上,细菌就会在富含琼脂的培养基上生长,你会得到许多许多细菌,即使你只涂抹了低浓度溶液

耶鲁公开课 - 生物医学工程探索课程节选

"It depends on how long they would have been in the area that's contaminated, how constant the the level of asbestos fibres in the air are, " he said.

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Of course, if you really want to ensure that your honey's food isn't contaminated by allergens, there's always the option of cooking at home.

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You get it by drinking water or eating food that's been contaminated by an infected person.

CNN: Cyclospora infection