chemical group composition

基本解釋

The use of ore powder with indefinite chemical composition contributed to a series of BF abnormal conditions at Xiangtan Iron & Steel Group Co.
湘鋼因使用成分不明的老礦粉，導(dǎo)致高爐生產(chǎn)不順、鐵水罐粘結(jié)、風(fēng)口燒壞等問題。
According to customer requirement, various spec . Of group sizes and mixed sizes also can be supplied . Its reference chemical composition is as followin.
根據(jù)用戶需要，可提供棕剛玉各種規(guī)格分段砂和混合砂。其參考化學(xué)成分如右。
It was found that the aromatics content influenced the reaction patterns, and therefore affected the group chemical composition and the quality of the products.
結(jié)果表明，加氫處理進(jìn)料中的芳烴含量的多少，會影響加氫處理過程中所發(fā)生的反應(yīng)，從而通過所得基礎(chǔ)油的烴類分布影響基礎(chǔ)油的質(zhì)量。