reaction zone的用法和樣例：
例句
- Vortices accelerate reaction rates of the unreacted region.
旋渦加速了未反應區的化學反應速率。 - Distribution of reaction zones affects the heating value of producer gas and the rate of gas generation, as well as tar content and particulates.
氣化爐內之反應區分佈狀況不但會對產氣熱值與產氣率產生影響，同時也會影響焦油與粒子之生成量。
