单语范例（未经PONS编辑处理）
英语
- For instance, sulfur forms the toxic sulfur dioxide and sulfur trioxide.en.wikipedia.org
- The uranyl nitrate is then converted to uranium trioxide by heating.en.wikipedia.org
- It burns to produce aluminum oxide and antimony trioxide.en.wikipedia.org
- By contrast, selenates and selenites are very toxic, having an oxidant mode of action similar to that of arsenic trioxide.en.wikipedia.org
- In terms of its resistance to oxidation, arsenic trioxide differs from phosphorus trioxide, which readily combusts to phosphorus pentoxide.en.wikipedia.org
- In another method the monohydrate is prepared by oxidation of barbituric acid by chromium trioxide.en.wikipedia.org
- As the saltpetre decomposes, it oxidises the sulphur to sulfur trioxide, which combines with water to produce sulphuric acid.en.wikipedia.org
- Bulk arsenic-based compounds sodium arsenite and sodium cacodylate are derived from the trioxide.en.wikipedia.org
- The molten glass is treated with sodium selenate and then arsenic trioxide to reduce the compound and provide elemental selenium.en.wikipedia.org
- This requires some care to prevent overheating and evaporation of sulfur trioxide.en.wikipedia.org
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英语