常見(jiàn)例句用作名詞 (n.)A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate.新催化劑在順丁烯二酸二丁酯的郃成反應(yīng)中顯示很好的活性和溫和的反應(yīng)條件。Technology for maleic anhydride production and the development of catalysts are described.摘要綜述了順丁烯二酸酐生産的工藝路線和催化劑研究發(fā)展。Suitable anhydrides for use in this process include phthalic, maleic, and succinic.適用於本法的酸酐有苯二甲酸,馬來(lái)酸及琥珀酸的酸酐。A new catalyst, niobic acid, was used for the synthesis of di 2 ethylhexyl maleate with yield of 86.研究了用新型催化劑鈮酸催化郃成馬來(lái)酸二辛酯的工藝。Suitable anhydrides for use in this process include phthalic, maleic, and succinic.適用於本法的酸酐有苯二甲酸,馬來(lái)酸及琥珀酸的酸酐。A new catalyst, niobic acid, was used for the synthesis of di 2 ethylhexyl maleate with yield of 86.研究了用新型催化劑鈮酸催化郃成馬來(lái)酸二辛酯的工藝。A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate.新催化劑在順丁烯二酸二丁酯的郃成反應(yīng)中顯示很好的活性和溫和的反應(yīng)條件。Technology for maleic anhydride production and the development of catalysts are described.摘要綜述了順丁烯二酸酐生産的工藝路線和催化劑研究發(fā)展。 返回 maleic acid