Câu ví dụ #11
1. But in 2008, Hanoimilk's products were suspected of being contaminated with melamine, a chemical compound used to make plastic and illegally added to food to increase the apparent protein content.
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2. The incident occurred on July 23 when a pipeline transporting the corrosive chemical sodium hydroxide to the production area at the Nhan Co alumina plant suddenly burst.
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3. Arsenic exists in different chemical forms, which can be classified into two groups: organic arsenic and inorganic arsenic.
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4. Scientists in developing nations plan to step up research into dimming sunshine to curb climate change, hoping to judge if a man-made chemical sunshade would be less risky than a harmful rise in global temperatures.
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5. "The biology of olfaction is still a frontier of science, very connected to the frontier of neuroscience," says Edwards, the Harvard chemical engineer.
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6. the military stored Agent Orange containing the deadly chemical dioxin, a defoliant they used during the Vietnam War.
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7. aircraft carrier on Wednesday visited a Vietnamese shelter for people suffering from the effects of Agent Orange, a chemical used by the U.
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