raction的用法和樣例：
例句
- Furthermore, the structure analysis of various products during raction processes was also presented here.
考察了反應條件對催化結果的影響，并對反應過(guò)程中的各產(chǎn)物結構進(jìn)行了分析，探討了各產(chǎn)物生成的可能的機理。 - When higher reaction temperature and longer raction time is provided, the melting point and crystallinity of resultant PLGA will decrease due to oxidation and depolymerization.
而當溫度更高或反應時(shí)間更長(cháng)時(shí)，由于氧化及熱降解的發(fā)生，致使結晶度及熔點(diǎn)轉而下降。
