常見例句雙語例句“Potassium carbonate is like a vacuum for CO2, ” Martin explains.“碳酸鉀就像二氧化碳的真空吸塵器，”馬丁解釋道。With Green Freedom, they would pass the air over a solution of potassium carbonate added to the cooling liquid.“綠色自由”設想讓空氣經(jīng)過加入了碳酸鉀為成分的冷卻液。Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.方法以苯甲醛衍生物和苯乙酮為原料，弱堿碳酸鉀為催化劑，水為溶劑，用相轉(zhuǎn)移催化法合成查耳酮衍生物。 返回 potassium carbonate