例句與造句

1. The combustion conditions in a circulating fluidized bed ( cfb ) boiler are much different from a pulverized coal firing ( pf ) boiler . however , this dissertation has confirmed that coal char in cfb boiler will also experience reactivity loss and ordering of turbostratic carbon structure , which have been reported by many researchers whose work were mainly restricted to pf conditions
   本文通過(guò)獲得在cfb燃燒條件下熱解和燃燒過(guò)程中的焦碳，對(duì)其反應(yīng)性、亂層碳結(jié)構(gòu)、礦物質(zhì)催化作用和比表面積等進(jìn)行了系統(tǒng)研究，指出cfb鍋爐和煤粉爐同樣存在焦碳亂層碳結(jié)構(gòu)有序化和焦碳反應(yīng)性下降（失活）現(xiàn)象，并全面分析了焦碳失活的機(jī)理。
2. It's difficult to find reactivity loss in a sentence. 用reactivity loss造句挺難的