单语范例（未经PONS编辑处理）
英语
- Genetically induced chronic low-level methemoglobinemia may be treated with oral methylene blue daily.en.wikipedia.org
- The carbonyl and methylene are usually oriented either ortho or para to each other (there are some examples of transient synthetic meta quinone methides).en.wikipedia.org
- For example, the loss of blue color in leuco-methylene blue is selective for hydrogen peroxide.en.wikipedia.org
- Its structure consists of aminopyrimidine and a thiazole ring linked by a methylene bridge.en.wikipedia.org
- If this is not effective topical steroids or injected methylene blue may be tried.en.wikipedia.org
- One approach is to use a chemical like methylene blue so that any urinary component can be detected.en.wikipedia.org
- The latter compound is used as a methylene-transfer reagent, and is used to prepare epoxides.en.wikipedia.org
- The term methyl was derived in about 1840 by back-formation from methylene, and was then applied to describe methyl alcohol.en.wikipedia.org
- Anhydrous formaldehyde gas readily dissolves in and reacts with water to form an equilibrium solution of methylene glycol.en.wikipedia.org
- The first nodes (sentinel nodes) can be identified by particulate markers such as lymphazurin, methylene blue, India ink and radio-labelled colloid protein particles injected near the tumor site.en.wikipedia.org
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英语