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[求助]
求助翻譯
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4,4-dimethylenebiphenyldiphosphonic acid was pre-pared by hydrolyzing 4,4 -bis-(diethoxyphosphono-methyl)-diphenyl with concentrated hydrochloric acid for 96 h under refluxing. |

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[論文投稿]
申請回稿延期一個月,編輯同意了。但系統(tǒng)上的時間沒變,給編輯又寫郵件了,沒回復(fù)
10+3
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