Các câu ví dụ cho từ chemical

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.

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.

3. Arsenic exists in different chemical forms, which can be classified into two groups: organic arsenic and inorganic arsenic.

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.

5. "The biology of olfaction is still a frontier of science, very connected to the frontier of neuroscience," says Edwards, the Harvard chemical engineer.

6. the military stored Agent Orange containing the deadly chemical dioxin, a defoliant they used during the Vietnam War.

7. aircraft carrier on Wednesday visited a Vietnamese shelter for people suffering from the effects of Agent Orange, a chemical used by the U.