plicatic acid造句

例句与造句

1. Exposure to plicatic acid or thuja wood dust can worsen asthma and provoke allergic reactions.
2. "' Plicatic acid "'is a carboxylic acid from the resin acid group.
3. Examples of resin acids are abietic acid ( sylvic acid ), C 20 H 30 O 2, plicatic acid contained in cedar, and pimaric acid, C 20 H 30 O 2, a constituent of galipot resin.
4. The highest concentrations of plicatic acid can be found in " Thuja plicata " ( Western Red cedar ), but " Thuja occidentalis " ( Eastern Arborvitae ) and " Cryptomeria japonica " ( Sugi ) contain it in significant proportions as well.
5. It's difficult to find plicatic acid in a sentence. 用plicatic acid造句挺难的