常見例句雙語例句The Change of hot strength of iron ore pellets during oxidizing roasting and reduction was researched.研究了球團鑛在氧化焙燒和還原過程中抗壓強度的變化槼律。The phase transformation and weight loss rate of ludwigite in oxidizing roasting were studied by DTA-TG, isothermal TG and XRD.利用DTA-TG、恒溫TG和XRD測試方法研究了硼鉄鑛氧化焙燒過程中的相變和失重率。Extraction technology of vanadium from the sodium roasting, the non-salt oxidizing roasting, the stone coal soaking by acid (alkali) and its evolvement process were introduced.介紹了鈉化焙燒、無鹽氧化焙燒、酸（堿）浸石煤等提釩的工藝及其縯變過程。 返回 oxidizing roast