“用溴”造句
9144590
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2024年06月15日 06:46:45方法: 用溴代及胺化反应合成了四甲基吡嗪衍生物.
METHODS: The target compound was prepared by the bromination and amination reaction.
用溴—甲醇溶解Al_2O_3, 其回收率在91%以上.
If Al 2 O 3 is dissolved by Br 2 - CH 3 OH, its Recovery rate is above 91 %.
用溴比用氯时产出率高.
The yield was higher using bromine The yield was higher using bromine than chlorine.
METHODS: The target compound was prepared by the bromination and amination reaction.
用溴—甲醇溶解Al_2O_3, 其回收率在91%以上.
If Al 2 O 3 is dissolved by Br 2 - CH 3 OH, its Recovery rate is above 91 %.
用溴比用氯时产出率高.
The yield was higher using bromine The yield was higher using bromine than chlorine.
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