olefin content的用法和樣例：
例句
- The content of the conjugate dienes can be expressed with the diene number.
共軛二烯烴含量的多少可以用二烯值來表示。 - The hydrogen transfer activities of several modified materials were investigated and co related with the heavy oil catalytic cracking ability and olefin content in cracked naphtha.
考察了多種改性材料的氫轉移反應活性及對催化裂化催化劑的重油轉化活性及汽油中烯烴含量的影響規律。
